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TDMS Study 89029-06 Pathology Tables

NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07

                                                         MERGED GROUPS




       Facility:  I. I. T. Research Institute

       Chemical CAS #:  ELECTROMAG

       Lock Date:  09/09/97

       Cage Range:  All

       Reasons For Removal:    All

       Removal Date Range:     All

       Treatment Groups:       Merge     001   001,011                  SHAM     CONTROL
                               Merge     002   002,012                  SHAM     CONTROL
                               Merge     003   003,013                  .02      GAUSS
                               Merge     004   004,014                  .02      GAUSS
                               Merge     005   005,015                  2 GAUSS
                               Merge     006   006,016                  2 GAUSS
                               Merge     007   009,019                  10       GAUSS
                               Merge     008   010,020                  10       GAUSS
                               Merge     009   007,017                  10 GAUSS   INTER
                               Merge     010   008,018                  10 GAUSS   INTER



























                                                              Page   1


NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 4| 7| 7| 7| 5| 7|             
                             DAY ON TEST   | 2| 0| 0| 3| 3| 3| 3| 3| 2| 3| 3| 3| 0| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 5| 3|             
                                           | 5| 2| 3| 6| 6| 7| 6| 7| 5| 7| 7| 6| 2| 6| 7| 7| 7| 3| 5| 2| 5| 6| 6| 1| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     CONTROL                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  A  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | A  +  M  +  +  +  M  +  A  +  M  +  A  +  +  +  +  A  +  M  +  +  +  A  M|             
      Epithelium, Cyst                     |                                                       3                  |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | A  +  A  +  +  +  +  +  A  +  +  +  A  +  +  +  +  A  +  A  +  +  +  A  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | A  +  +  +  +  +  +  +  A  +  +  +  A  +  +  +  +  A  +  A  +  +  +  A  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | A  +  A  +  +  +  +  +  A  +  A  +  A  +  +  +  +  A  +  A  +  +  +  A  +|             
      Lymphoid Tissue, Hyperplasia         |             2  2     1                          2           2  3         |             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | A  A  A  +  +  +  +  +  +  +  A  +  A  +  +  +  +  A  +  A  +  +  +  A  +|             
      Inflammation                         |                                                                          |             
      Muscularis, Hypertrophy              |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | A  +  A  +  +  +  +  +  A  +  A  +  A  +  +  +  +  A  +  A  +  +  +  A  +|             
      Muscularis, Hypertrophy              |                2                                                        2|             
      Peyer's Patch, Hyperplasia           |                      3                                                   |             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | A  +  A  +  +  +  +  +  A  +  A  +  A  +  +  +  +  A  +  A  +  +  +  A  +|             
      Inflammation                         |                                                                          |             
      Muscularis, Hypertrophy              |                            3                                            3|             
      Peyer's Patch, Hyperplasia           |                   1                                                      |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  A  +|             
      Angiectasis                          |          1                                                               |             
      Basophilic Focus                     |                                  3                                       |             
      Clear Cell Focus                     |                                                                          |             
      Eosinophilic Focus                   |                                                                          |             
      Eosinophilic Focus, Multiple         |                                                                          |             
      Fibrosis                             | 3                                                                        |             
      Infiltration Cellular, Focal,        |                                                                          |             
          Lymphocyte                       | 3                                                                        |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |          2  1  2  2  1  3        1        1     2     2        1  1     2|             
      Necrosis                             |                                                    3     2               |             
      Hepatocyte, Vacuolization Cytoplasmic| 3                             3                                          |             
                                            __________________________________________________________________________|             
   Mesentery                               | +  +  +              +        +  +                 +                     |             
      Hemorrhage                           |                               3                                          |             
      Artery, Mineralization               | 4                                                                        |             
      Fat, Inflammation                    |                                  2                                       |             
      Fat, Necrosis                        |       3              3                             3                     |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  M  +  +  +  +  +  +  A  +  +  +  A  +  +  +  +  A  +  A  +  +  +  A  +|             
      Angiectasis, Focal                   |                                                                          |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                   2                                                      |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Lipomatosis                          | 3           1                 1           3                    1         |             
      Vacuolization Cytoplasmic            |                      2     2              2  1                          2|             
      Acinus, Cytoplasmic Alteration       |                                                                          |             
      Acinus, Hypertrophy, Focal           |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page   2                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 4| 7| 7| 7| 5| 7|             
                             DAY ON TEST   | 2| 0| 0| 3| 3| 3| 3| 3| 2| 3| 3| 3| 0| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 5| 3|             
                                           | 5| 2| 3| 6| 6| 7| 6| 7| 5| 7| 7| 6| 2| 6| 7| 7| 7| 3| 5| 2| 5| 6| 6| 1| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     CONTROL                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
      Duct, Cyst                           |                                           4                              |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  A  +  +  +  A  +|             
      Infiltration Cellular, Lymphocyte    | 1        1  1  1  3  2  2  2     2     2  2  2  2  2  2     2  1  2     2|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | A  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  A  +  +  +  A  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Epithelium, Atrophy                  |    1              2                                                      |             
      Epithelium, Hyperplasia              |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | A  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  A  +  A  +  +  +  A  +|             
      Infiltration Cellular, Lymphocyte    |                                        2        2                       1|             
      Inflammation                         |                         2                                                |             
      Epithelium, Atrophy                  |    1     2        2              1              2              1         |             
      Epithelium, Cyst, Focal              |             2     2  1                 2        2                        |             
      Epithelium, Mineralization           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +|             
      Aorta, Mineralization                | 4                                                                        |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation                         |                                                                          |             
      Artery, Mineralization               |                                                                          |             
      Atrium, Thrombosis                   |                                                                          |             
      Myocardium, Degeneration             |                                                                          |             
      Myocardium, Mineralization           |                               3                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  A  +  +  +  A  +|             
      Cytoplasmic Alteration, Focal        |                                  2                                       |             
      Inflammation                         |                                                                          |             
      Bilateral, Capsule, Hyperplasia      | 2  2  2  2  2  2  2  2  2  2  2  2     2  3  2  2  2  2     2  2  2     2|             
      Bilateral, Zona Reticularis,         |                                                                          |             
          Degeneration, Fatty              |                                                                          |             
      Capsule, Hyperplasia                 |                                                                          |             
      Zona Fasciculata, Hypertrophy, Focal |                                                                          |             
      Zona Reticularis, Degeneration, Fatty|                                           1                              |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  A  +  +  +  A  +|             
      Hyperplasia                          |                                                                          |             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  M  +  +  +  +  +  +  A  +  +  +  A  +  +  +  +  A  +  A  +  +  +  A  +|             
      Hyperplasia                          | 2     2  1  1     1  1        1  1     2        1           1  1  2     1|             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | M  M  M  +  M  M  +  +  +  +  M  +  M  +  M  M  +  +  +  M  +  M  +  A  +|             
      Hyperplasia                          |                                                       1                  |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Vacuolization Cytoplasmic            |                                                                          |             
                                            __________________________________________________________________________|             
   Pineal Gland                            | M  +  M  +  M  M  M  +  M  M  M  M  M  +  +  +  +  A  +  M  +  I  M  I  +|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  I  +  +  +  +  +  A  +  +  +  M  +  +  +  +  +  +  M  +  +  +  A  +|             
 _____________________________________________________________________________________________________________________|             

                                                             Page   3                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 4| 7| 7| 7| 5| 7|             
                             DAY ON TEST   | 2| 0| 0| 3| 3| 3| 3| 3| 2| 3| 3| 3| 0| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 5| 3|             
                                           | 5| 2| 3| 6| 6| 7| 6| 7| 5| 7| 7| 6| 2| 6| 7| 7| 7| 3| 5| 2| 5| 6| 6| 1| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     CONTROL                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
      Pars Distalis, Hyperplasia, Focal    |             3  3  2  3        2  3     3  2  2        2     3  2         |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | M  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  A  +  +  +  A  +|             
      Inflammation, Focal                  |                                                                          |             
      Follicle, Cyst                       |                      3           1              2                       2|             
      Follicular Cell, Hyperplasia, Focal  |                2                                                         |             
      Follicular Cell, Hypertrophy, Diffuse|                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Tissue NOS                              |                         +                                                |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Clitoral Gland                          | +  M  +  +  +  +  +  +  M  +  M  +  A  +  +  +  +  I  +  M  +  +  +  M  +|             
      Atrophy                              |             3        2                    4  3  4                        |             
      Cyst                                 |             3        3           2        4  3  2                        |             
      Bilateral, Atrophy                   |       4  4     4           3     3     4                    3  2  4     4|             
      Bilateral, Cyst                      |       1  2     2           3           3                    3  2  3     2|             
      Bilateral, Inflammation              |                                                                          |             
                                            __________________________________________________________________________|             
   Ovary                                   | +  M  +  +  +  +  +  +  A  +  +  +  A  +  +  +  +  M  I  M  +  +  +  M  +|             
      Atrophy                              |       3                       2                                          |             
      Cyst                                 |             3                          3        1              3         |             
      Infiltration Cellular, Mast Cell     |                                           3                              |             
      Mineralization                       |                1                                                         |             
      Bilateral, Atrophy                   |                                                                          |             
      Bilateral, Cyst                      |                                                                          |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  A  +  +  +  A  +  +  +  +  A  +  A  +  +  +  A  +|             
      Angiectasis                          |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hydrometra                           |    3     4                 3              4                              |             
      Inflammation                         |                                                                          |             
      Bilateral, Hydrometra                |       2                                                           3      |             
      Bilateral, Endometrium, Amyloid      |                                                                          |             
          Deposition                       |                                                                          |             
      Bilateral, Endometrium, Hyperplasia, |                                                                          |             
           Cystic                          | 2              2  2  1           3     3     3  3     2     2  2        3|             
      Endometrium, Hyperplasia, Cystic     |    2     2  3              2  3                                          |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  A  +  +  +  A  +|             
      Hyperplasia                          |    2  1                 1  1  1        2           2                     |             
      Myelofibrosis                        |          1        2                       2                 2  2         |             
      Myeloid Cell, Hyperplasia            |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node                              |    +     +  +                 +                                +     +   |             
      Ectasia                              |             3                                                            |             
      Hemorrhage                           |             2                                                            |             
 _____________________________________________________________________________________________________________________|             

                                                             Page   4                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 4| 7| 7| 7| 5| 7|             
                             DAY ON TEST   | 2| 0| 0| 3| 3| 3| 3| 3| 2| 3| 3| 3| 0| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 5| 3|             
                                           | 5| 2| 3| 6| 6| 7| 6| 7| 5| 7| 7| 6| 2| 6| 7| 7| 7| 3| 5| 2| 5| 6| 6| 1| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     CONTROL                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Lumbar, Ectasia                      |                                                                3         |             
      Lumbar, Hemorrhage                   |                               3                                2         |             
      Lumbar, Pigmentation                 |                                                                3         |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  M  +  +  M  +  +  A  +  +  +  A  +  +  +  +  A  +  A  M  +  +  +  +|             
      Atrophy                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia                          |                                                                2        2|             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Pigmentation                         |                            2           2                                 |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | A  +  +  +  +  +  +  +  +  +  M  +  A  +  +  +  +  A  +  A  +  +  +  A  +|             
      Angiectasis                          |    2                                                                     |             
      Atrophy                              |       2        2     2                                         2         |             
      Ectasia                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia                          |                                                                          |             
      Hyperplasia, Reticulum Cell          |                                  2                                       |             
      Infiltration Cellular, Plasma Cell   |                            2                                            2|             
      Infiltration Cellular, Histiocyte    |       2  1  2  2  1  2           1     2  1  2  1     1     1  2         |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  A  +  +  +  A  +  +  +  +  A  +  M  +  +  +  M  +|             
      Congestion                           |                                        2                                 |             
      Hematopoietic Cell Proliferation     |       4  3  3  3  1  2     2     2        3  1  3     2     2  3  3     2|             
      Pigmentation                         |             2                                               1     2     1|             
      Lymphoid Follicle, Atrophy           | 3     3                                                                  |             
      Lymphoid Follicle, Hyperplasia       |                3  2  2           3        2  2  2     1                 2|             
      Red Pulp, Atrophy                    |                                                                          |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  M  +  +  +  +  +  A  +  M  +  M  +  +  +  +  A  +  A  +  +  +  +  +|             
      Angiectasis                          |                                  2                                       |             
      Atrophy                              | 4                                                     1                  |             
      Cyst, Focal                          |                                                                          |             
      Hyperplasia, Lymphoid                |             1  2  1        1     3           3  3     1           1     2|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  M  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  A  +|             
      Hyperplasia                          |    4                                                                     |             
      Duct, Dilatation                     |          1                                      1                        |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer, Focal                         |                                                                          |             
      Artery, Inflammation                 |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page   5                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 4| 7| 7| 7| 5| 7|             
                             DAY ON TEST   | 2| 0| 0| 3| 3| 3| 3| 3| 2| 3| 3| 3| 0| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 5| 3|             
                                           | 5| 2| 3| 6| 6| 7| 6| 7| 5| 7| 7| 6| 2| 6| 7| 7| 7| 3| 5| 2| 5| 6| 6| 1| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     CONTROL                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM - cont             |                                                                          |             
                                           |                                                                          |             
      Necrosis                             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +|             
      Thalamus, Mineralization             | 2  2  1  2  2  2        2              2  2  2  1     1              1   |             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |                                                                          |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Infiltration Cellular, Lymphocyte    |             2  2  1                    2  2  2  1           2  2        2|             
      Inflammation, Focal                  |          2                                                               |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           |                   2  2                                   1               |             
      Alveolus, Infiltration Cellular,     |                                                                          |             
           Histiocyte                      |                                                                          |             
      Artery, Mineralization               | 3                                                                        |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  A  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                                                                          |             
      Cornea, Inflammation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                           1     2     1              1   |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |          2     1     1     2                                1            |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +  A  +  +  +  A  +|             
      Bilateral, Artery, Mineralization    | 2                                                                        |             
      Bilateral, Cortex, Infiltration      |                                                                          |             
          Cellular, Lymphocyte             |                                                             2  1         |             
      Bilateral, Cortex, Inflammation      |                                                                          |             
      Bilateral, Cortex, Mineralization    | 2                                                                        |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Degeneration                    | 3                             2           1                              |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Dilatation                      |                                                                          |             
      Bilateral, Glomerulus, Amyloid       |                                                                          |             
          Deposition                       |                                                                          |             
      Bilateral, Medulla, Infiltration     |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page   6                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 4| 7| 7| 7| 5| 7|             
                             DAY ON TEST   | 2| 0| 0| 3| 3| 3| 3| 3| 2| 3| 3| 3| 0| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 5| 3|             
                                           | 5| 2| 3| 6| 6| 7| 6| 7| 5| 7| 7| 6| 2| 6| 7| 7| 7| 3| 5| 2| 5| 6| 6| 1| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     CONTROL                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
          Cellular, Lymphocyte             |             2     2              1              2           1           2|             
      Bilateral, Medulla, Mineralization   |                                                                          |             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |                      2                          1     1                  |             
      Cortex, Metaplasia, Focal, Osseous   | 2                             2                                          |             
      Cortex, Renal Tubule, Degeneration   |                                                       2     2            |             
      Medulla, Infiltration Cellular,      |                                                                          |             
          Lymphocyte                       |          1                 1           2     1        2                  |             
      Medulla, Inflammation                |                                                                          |             
      Medulla, Mineralization              | 2                                                                        |             
      Pelvis, Calculus Micro Observation   |                                                                          |             
          Only                             |                            X     X                                       |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  I  +  A  +  +  +  A  +  +  M  +  +  +  A  +  +  +  A  +|             
      Infiltration Cellular, Plasma Cell   |          2                                                               |             
      Infiltration Cellular, Lymphocyte    |                                           1                              |             
 _____________________________________________________________________________________________________________________|             

                                                             Page   7                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 9| 2| 3| 2| 3| 3| 3| 3| 2| 3| 3| 3| 2| 3| 3| 0| 2| 0| 3| 3|             
                                           | 7| 5| 5| 6| 6| 1| 5| 7| 6| 5| 6| 6| 6| 3| 5| 5| 6| 9| 6| 7| 7| 9| 8| 6| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     CONTROL                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  +  +  +  M  M  +  +  A  +  +  +  M  A  +  +  M  A  +  +  +  +  +  +  +|             
      Epithelium, Cyst                     |                   2                                                      |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  A  +  +  +  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  A  +  +  +  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  A  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoid Tissue, Hyperplasia         |    2                          2  2              1              2         |             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  A  +  +  A  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +  +|             
      Inflammation                         |       2                                                                  |             
      Muscularis, Hypertrophy              |       2                                                                  |             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  A  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +  +|             
      Muscularis, Hypertrophy              |                                  2  2                                    |             
      Peyer's Patch, Hyperplasia           |                      4                                                   |             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  A  +  +  A  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +  +|             
      Inflammation                         |                                                                          |             
      Muscularis, Hypertrophy              |    3                 2              3                             2      |             
      Peyer's Patch, Hyperplasia           |       2                                                                  |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Basophilic Focus                     |                                                                         3|             
      Clear Cell Focus                     |                                  2                                2  1   |             
      Eosinophilic Focus                   |                                                                          |             
      Eosinophilic Focus, Multiple         |                                                                          |             
      Fibrosis                             |                                                                          |             
      Infiltration Cellular, Focal,        |                                                                          |             
          Lymphocyte                       |                                                                          |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             | 2  2  1     2     2        2     2  2     1     1        1           1   |             
      Necrosis                             |                2                                                         |             
      Hepatocyte, Vacuolization Cytoplasmic|                                                       1     1     3      |             
                                            __________________________________________________________________________|             
   Mesentery                               |    +  +  +        +  +  +  +              +  +     +     +     +     +  +|             
      Hemorrhage                           |                                                                          |             
      Artery, Mineralization               |                                                                          |             
      Fat, Inflammation                    |       2                                            3                     |             
      Fat, Necrosis                        |    3              3  3     3                 4           3     3     3  3|             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis, Focal                   |                                                                          |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |          1                                2                          2   |             
      Infiltration Cellular, Lymphocyte    |                                  3                 3                     |             
      Lipomatosis                          |                                     1     1        3        3     2  1  2|             
      Vacuolization Cytoplasmic            |                                                                          |             
      Acinus, Cytoplasmic Alteration       |                                                                          |             
      Acinus, Hypertrophy, Focal           |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page   8                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 9| 2| 3| 2| 3| 3| 3| 3| 2| 3| 3| 3| 2| 3| 3| 0| 2| 0| 3| 3|             
                                           | 7| 5| 5| 6| 6| 1| 5| 7| 6| 5| 6| 6| 6| 3| 5| 5| 6| 9| 6| 7| 7| 9| 8| 6| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     CONTROL                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
      Duct, Cyst                           |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    | 1  2  2  2     1  2  2  2  3  1  2  1     3  2  2                 2  2   |             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |          2                                                               |             
      Epithelium, Atrophy                  |                      2                          1        1               |             
      Epithelium, Hyperplasia              |                                           2                              |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |          1                       3                                       |             
      Inflammation                         |                                                                          |             
      Epithelium, Atrophy                  |                      3  2              2                 2               |             
      Epithelium, Cyst, Focal              |       1           2              2                                1  1  2|             
      Epithelium, Mineralization           |                                                             3            |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Aorta, Mineralization                |                                                             4            |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation                         |                                                                          |             
      Artery, Mineralization               |                                                             3            |             
      Atrium, Thrombosis                   |                                                                          |             
      Myocardium, Degeneration             |                                                                          |             
      Myocardium, Mineralization           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cytoplasmic Alteration, Focal        |                                                                          |             
      Inflammation                         |                                                                          |             
      Bilateral, Capsule, Hyperplasia      | 3  3  3  2  2  2  2  3  2  2  3  2  2  2  2  2  2  3  2  2  2  3  2  2  2|             
      Bilateral, Zona Reticularis,         |                                                                          |             
          Degeneration, Fatty              |                                           3                              |             
      Capsule, Hyperplasia                 |                                                                          |             
      Zona Fasciculata, Hypertrophy, Focal |                                                                          |             
      Zona Reticularis, Degeneration, Fatty|                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                                          |             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  M  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          | 1                    2     1        2     2     1        1           1   |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | M  +  M  +  +  M  +  M  +  +  +  +  +  +  M  +  +  +  +  M  +  +  +  +  +|             
      Hyperplasia                          |                                     1                                1  1|             
      Infiltration Cellular, Lymphocyte    |                                  3                                       |             
      Vacuolization Cytoplasmic            |                                                             2            |             
                                            __________________________________________________________________________|             
   Pineal Gland                            | M  +  +  M  +  M  +  +  M  M  +  M  I  +  +  +  +  M  +  M  M  M  +  +  M|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  I  I  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             

                                                             Page   9                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 9| 2| 3| 2| 3| 3| 3| 3| 2| 3| 3| 3| 2| 3| 3| 0| 2| 0| 3| 3|             
                                           | 7| 5| 5| 6| 6| 1| 5| 7| 6| 5| 6| 6| 6| 3| 5| 5| 6| 9| 6| 7| 7| 9| 8| 6| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     CONTROL                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
      Pars Distalis, Hyperplasia, Focal    | 1        2     2           2                    2           2        2  2|             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Focal                  |                                                                          |             
      Follicle, Cyst                       | 1  2        2                                2                           |             
      Follicular Cell, Hyperplasia, Focal  |                                           2                              |             
      Follicular Cell, Hypertrophy, Diffuse|                                           2                              |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Tissue NOS                              |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Clitoral Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              | 4     3                    4              4  3     4  2                 3|             
      Cyst                                 | 3     2                    3  2           3  2     2  2        3        2|             
      Bilateral, Atrophy                   |    4     3  4  4  4  4  4     3  3  3           4        4  4  4  4  3   |             
      Bilateral, Cyst                      |    2     2  2  3  3  3  3        3  3           3        2  3     2  3   |             
      Bilateral, Inflammation              |          2                                                               |             
                                            __________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  I  +  +  M|             
      Atrophy                              |                                                                          |             
      Cyst                                 | 1                 3     3                 2     3        2               |             
      Infiltration Cellular, Mast Cell     |                                                                          |             
      Mineralization                       |                                                                          |             
      Bilateral, Atrophy                   |                                                                          |             
      Bilateral, Cyst                      |                                              2                           |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Hemorrhage                           |                                                                3         |             
      Hydrometra                           |                   3  3     4              3     2        2  3           2|             
      Inflammation                         |                            3              2                              |             
      Bilateral, Hydrometra                | 3     3     4                    3           3                 3         |             
      Bilateral, Endometrium, Amyloid      |                                                                          |             
          Deposition                       |                                                                      3   |             
      Bilateral, Endometrium, Hyperplasia, |                                                                          |             
           Cystic                          |    3     3     1        2     2     1  2              3              3   |             
      Endometrium, Hyperplasia, Cystic     |                      2                    3     2           1     3     1|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          | 1        3     2     2        1                             1     2     2|             
      Myelofibrosis                        |                                     2                                    |             
      Myeloid Cell, Hyperplasia            |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node                              |    +           +        +                 +        +           +     +   |             
      Ectasia                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  10                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 9| 2| 3| 2| 3| 3| 3| 3| 2| 3| 3| 3| 2| 3| 3| 0| 2| 0| 3| 3|             
                                           | 7| 5| 5| 6| 6| 1| 5| 7| 6| 5| 6| 6| 6| 3| 5| 5| 6| 9| 6| 7| 7| 9| 8| 6| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     CONTROL                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Lumbar, Ectasia                      |                                                                      3   |             
      Lumbar, Hemorrhage                   |                                                                      3   |             
      Lumbar, Pigmentation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | M  +  +  +  +  +  M  +  +  +  +  +  +  +  +  I  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                         2                          3        2            |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia                          |       2                    2                    3                        |             
      Infiltration Cellular, Plasma Cell   |                                           3                             3|             
      Infiltration Cellular, Mixed Cell    |          2                                                               |             
      Pigmentation                         |             2           2     1        2              1                  |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |                      2                    3                 3            |             
      Ectasia                              |                                     3        3                           |             
      Hemorrhage                           |                                     3                                    |             
      Hyperplasia                          |                                  2                                       |             
      Hyperplasia, Reticulum Cell          | 3                                                                        |             
      Infiltration Cellular, Plasma Cell   |       2                             3                                    |             
      Infiltration Cellular, Histiocyte    |    1              3  1        1  1           2  2     2  2  3     2      |             
      Infiltration Cellular, Mixed Cell    |             2                                                        2   |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                                                                          |             
      Hematopoietic Cell Proliferation     | 2  3  2  2  2        3  1  2  2  3  1  3  3  2           3  3     4  2  3|             
      Pigmentation                         |                   3           1                          1               |             
      Lymphoid Follicle, Atrophy           |                                                             2            |             
      Lymphoid Follicle, Hyperplasia       | 3     2     2                    2              3                        |             
      Red Pulp, Atrophy                    |                   2                                                      |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  +  M  +  +  +  M  +  +  +  +  +  +  +  +  +  +  I  +  M  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |                   4        1     3     4  1        4              4     3|             
      Cyst, Focal                          |       2                                      2                           |             
      Hyperplasia, Lymphoid                | 2     2                    3  1     2        2  2        3           2  3|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +|             
      Hyperplasia                          |                                           3                 3            |             
      Duct, Dilatation                     |                1  2  2                                         1         |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer, Focal                         |                                                                          |             
      Artery, Inflammation                 |                                                                         3|             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |                   +  +                                      +  +  +      |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  11                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 9| 2| 3| 2| 3| 3| 3| 3| 2| 3| 3| 3| 2| 3| 3| 0| 2| 0| 3| 3|             
                                           | 7| 5| 5| 6| 6| 1| 5| 7| 6| 5| 6| 6| 6| 3| 5| 5| 6| 9| 6| 7| 7| 9| 8| 6| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     CONTROL                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM - cont             |                                                                          |             
                                           |                                                                          |             
      Necrosis                             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Thalamus, Mineralization             | 2        2        1  2     2  2     2     2                    2  2      |             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |                   +                                               +      |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                   +                                            +  +      |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                                                                          |             
      Hemorrhage                           |                2                                                         |             
      Infiltration Cellular, Lymphocyte    | 2  2                             3                    1                  |             
      Inflammation, Focal                  |                                                                          |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           |                                                                          |             
      Alveolus, Infiltration Cellular,     |                                                                          |             
           Histiocyte                      |                                        3                                 |             
      Artery, Mineralization               |                                                             2            |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                                                                          |             
      Cornea, Inflammation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                      1                                                   |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |    2        2           1        2                                       |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Bilateral, Artery, Mineralization    |                                                                          |             
      Bilateral, Cortex, Infiltration      |                                                                          |             
          Cellular, Lymphocyte             | 2                                3                                       |             
      Bilateral, Cortex, Inflammation      |                                                                          |             
      Bilateral, Cortex, Mineralization    |                                                                          |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Degeneration                    |                                           2                 2            |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Dilatation                      |                                                                   1      |             
      Bilateral, Glomerulus, Amyloid       |                                                                          |             
          Deposition                       |                                           2                              |             
      Bilateral, Medulla, Infiltration     |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  12                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 9| 2| 3| 2| 3| 3| 3| 3| 2| 3| 3| 3| 2| 3| 3| 0| 2| 0| 3| 3|             
                                           | 7| 5| 5| 6| 6| 1| 5| 7| 6| 5| 6| 6| 6| 3| 5| 5| 6| 9| 6| 7| 7| 9| 8| 6| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     CONTROL                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
          Cellular, Lymphocyte             | 2        1  1        2        2     1           2        2               |             
      Bilateral, Medulla, Mineralization   |                                                             1            |             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |                                                       2                 2|             
      Cortex, Metaplasia, Focal, Osseous   |                         2                                                |             
      Cortex, Renal Tubule, Degeneration   |                                                                          |             
      Medulla, Infiltration Cellular,      |                                                                          |             
          Lymphocyte                       |       1                    1     3           1                           |             
      Medulla, Inflammation                |                                                                          |             
      Medulla, Mineralization              |                                                                          |             
      Pelvis, Calculus Micro Observation   |                                                                          |             
          Only                             |                                                                          |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  A  +  +  M  +  M  +  +|             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                  1                                       |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  13                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 3| 7| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2|             
                             DAY ON TEST   | 9| 3| 3| 3| 6| 1| 3| 3| 0| 3| 6| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 8|             
                                           | 7| 6| 7| 7| 6| 9| 5| 6| 1| 6| 1| 6| 6| 6| 4| 7| 7| 5| 7| 5| 3| 6| 6| 6| 8|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     CONTROL                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A|             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  +  +  +  M  A  +  +  A  +  +  +  +  +  A  +  +  +  A  +  A  +  +  +  M|             
      Epithelium, Cyst                     |    2                                                     2               |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +  +  A|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +  +  A|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  A  A  +  +  M  +  +  +  +  +  A  +  +  +  A  +  A  +  +  +  A|             
      Lymphoid Tissue, Hyperplasia         | 2                    2           2                 2                 2   |             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  A  A  +  +  A  +  +  +  +  +  A  +  +  +  A  +  A  +  +  +  A|             
      Inflammation                         |                                                                          |             
      Muscularis, Hypertrophy              |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  A  +  +  +  A  +  +  +  +  +  A  +  +  +  A  +  A  +  +  +  A|             
      Muscularis, Hypertrophy              |          3                                      2                        |             
      Peyer's Patch, Hyperplasia           |                                                          2               |             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  A  A  +  +  A  +  +  +  +  +  +  +  +  +  A  +  A  +  +  +  A|             
      Inflammation                         |          1                                                               |             
      Muscularis, Hypertrophy              |    1     4                 3           2        2                        |             
      Peyer's Patch, Hyperplasia           |                                           1              1               |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Basophilic Focus                     |                                                                          |             
      Clear Cell Focus                     |                   1                                                      |             
      Eosinophilic Focus                   | 3                 2                                               3      |             
      Eosinophilic Focus, Multiple         |                                                                          |             
      Fibrosis                             |                                                                          |             
      Infiltration Cellular, Focal,        |                                                                          |             
          Lymphocyte                       |                                                                          |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |    2     2  2     1     1  2     2                 2     2  2  2     2   |             
      Necrosis                             |                                                                          |             
      Hepatocyte, Vacuolization Cytoplasmic|       1                       3           2           2  2              2|             
                                            __________________________________________________________________________|             
   Mesentery                               |       +  +     +        +              +     +        +  +  +        +   |             
      Hemorrhage                           |                                                                          |             
      Artery, Mineralization               |                                                                          |             
      Fat, Inflammation                    |                         2                                3               |             
      Fat, Necrosis                        |       3                                3     3        3              3   |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +  +  A|             
      Angiectasis, Focal                   |                                                                          |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                      2           2     2                                 |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Lipomatosis                          |                                  1  1     2        2                     |             
      Vacuolization Cytoplasmic            |          2                          2                                    |             
      Acinus, Cytoplasmic Alteration       |                                              1                           |             
      Acinus, Hypertrophy, Focal           |                                                                      1   |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  14                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 3| 7| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2|             
                             DAY ON TEST   | 9| 3| 3| 3| 6| 1| 3| 3| 0| 3| 6| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 8|             
                                           | 7| 6| 7| 7| 6| 9| 5| 6| 1| 6| 1| 6| 6| 6| 4| 7| 7| 5| 7| 5| 3| 6| 6| 6| 8|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     CONTROL                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
      Duct, Cyst                           |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    | 2  1  2  2           2  2  2     2     2  1  2     2     2     2     1   |             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  A|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Epithelium, Atrophy                  |                         1                                                |             
      Epithelium, Hyperplasia              |                   2                             2  2                     |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +  +  A|             
      Infiltration Cellular, Lymphocyte    |          1                                                        1      |             
      Inflammation                         |                                                                          |             
      Epithelium, Atrophy                  | 3                       2        1        1                              |             
      Epithelium, Cyst, Focal              |                   2  2  1        2                       1     2         |             
      Epithelium, Mineralization           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Aorta, Mineralization                |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation                         |                                                                          |             
      Artery, Mineralization               |                                                                          |             
      Atrium, Thrombosis                   |                                                                          |             
      Myocardium, Degeneration             |                                                                          |             
      Myocardium, Mineralization           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  A  +  A  +  +  +  M|             
      Cytoplasmic Alteration, Focal        |                                                                          |             
      Inflammation                         |             3                                                            |             
      Bilateral, Capsule, Hyperplasia      | 2  3  2  2        3  2  2  2     3  3  2  2  2  1  2     2     3  3  2   |             
      Bilateral, Zona Reticularis,         |                                                                          |             
          Degeneration, Fatty              |                                                                          |             
      Capsule, Hyperplasia                 |             3                                                            |             
      Zona Fasciculata, Hypertrophy, Focal |                                                                          |             
      Zona Reticularis, Degeneration, Fatty|          3                                                               |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  A  +  +  +  +  M  +  +  +  +  +  +  +  A  +  A  +  +  +  M|             
      Hyperplasia                          |    2                             2              1                        |             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +  +  A|             
      Hyperplasia                          |    1  1     2     3  2           1  2  2  2  1  1        3               |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | M  +  +  +  M  M  +  M  +  +  +  M  +  M  M  +  M  M  +  M  +  +  +  M  M|             
      Hyperplasia                          |    1              2        1        1        1              2            |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Vacuolization Cytoplasmic            |                                                                          |             
                                            __________________________________________________________________________|             
   Pineal Gland                            | +  I  M  +  A  M  +  +  M  +  I  +  +  +  M  +  +  +  M  +  M  M  +  +  M|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  M  A  +  +  A  +  +  +  +  +  +  +  +  +  A  +  A  +  I  +  A|             
 _____________________________________________________________________________________________________________________|             

                                                             Page  15                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 3| 7| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2|             
                             DAY ON TEST   | 9| 3| 3| 3| 6| 1| 3| 3| 0| 3| 6| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 8|             
                                           | 7| 6| 7| 7| 6| 9| 5| 6| 1| 6| 1| 6| 6| 6| 4| 7| 7| 5| 7| 5| 3| 6| 6| 6| 8|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     CONTROL                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
      Pars Distalis, Hyperplasia, Focal    |    2     2        3  2     2     2  3  2     3                 2         |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | M  +  +  +  M  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A|             
      Inflammation, Focal                  |                               3        2                                 |             
      Follicle, Cyst                       |                      1  2           1  2        1              2     2   |             
      Follicular Cell, Hyperplasia, Focal  |          2                                                               |             
      Follicular Cell, Hypertrophy, Diffuse|          3                                                               |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Tissue NOS                              |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Clitoral Gland                          | +  +  +  +  M  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              | 3  4                    3  3                 4  4                    2   |             
      Cyst                                 | 3  3                 3           3           3  3           3        3   |             
      Bilateral, Atrophy                   |       4           3  2           4  3  3           3  4  2  4  3  3      |             
      Bilateral, Cyst                      |       2  3     3  3     2  3  3     3  3           3  3  2     2  3      |             
      Bilateral, Inflammation              |                                                                          |             
                                            __________________________________________________________________________|             
   Ovary                                   | +  +  +  +  M  M  +  +  M  +  +  +  M  +  +  M  +  +  A  +  A  +  +  +  A|             
      Atrophy                              |                                                                          |             
      Cyst                                 |          2           2                             3     4     3  2      |             
      Infiltration Cellular, Mast Cell     |                                                                          |             
      Mineralization                       |                                                                          |             
      Bilateral, Atrophy                   |                                                                          |             
      Bilateral, Cyst                      |                                                                          |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  A|             
      Angiectasis                          |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hydrometra                           |    4              4              4           4  4           3            |             
      Inflammation                         |                                                                          |             
      Bilateral, Hydrometra                |          4           4              4  4                       3     3   |             
      Bilateral, Endometrium, Amyloid      |                                                                          |             
          Deposition                       |                                                                          |             
      Bilateral, Endometrium, Hyperplasia, |                                                                          |             
           Cystic                          |       2                    4              1        2     2        2      |             
      Endometrium, Hyperplasia, Cystic     | 1  3              2     2        3           3  1                        |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |          2              1        3                    2                  |             
      Myelofibrosis                        |          2                                   1                    1      |             
      Myeloid Cell, Hyperplasia            |             3                                   2           2            |             
                                            __________________________________________________________________________|             
   Lymph Node                              |    +  +                 +           +                 A     +            |             
      Ectasia                              |                                     3                                    |             
      Hemorrhage                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  16                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 3| 7| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2|             
                             DAY ON TEST   | 9| 3| 3| 3| 6| 1| 3| 3| 0| 3| 6| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 8|             
                                           | 7| 6| 7| 7| 6| 9| 5| 6| 1| 6| 1| 6| 6| 6| 4| 7| 7| 5| 7| 5| 3| 6| 6| 6| 8|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     CONTROL                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Lumbar, Ectasia                      |                                                                          |             
      Lumbar, Hemorrhage                   |                                                                          |             
      Lumbar, Pigmentation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +  +  A|             
      Atrophy                              |                                                                          |             
      Hemorrhage                           |                            2                                             |             
      Hyperplasia                          |                   2                    2                                 |             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Pigmentation                         |                      2                       2                 1  1  1   |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  M  M  +  +  M  +  +  +  +  +  M  +  +  +  M  +  A  +  +  +  M|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |                                                                          |             
      Ectasia                              |          4                                                               |             
      Hemorrhage                           |          2                                                               |             
      Hyperplasia                          |                                     2                                    |             
      Hyperplasia, Reticulum Cell          |                   2                                                      |             
      Infiltration Cellular, Plasma Cell   |                                        3                                 |             
      Infiltration Cellular, Histiocyte    | 2                 2  2              3        2  2  2     2     1  2  2   |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +  +  M|             
      Congestion                           |                                                                          |             
      Hematopoietic Cell Proliferation     | 2  2  4  3  4     3  3  4  2     3  2  2     2  2  3     3     3  3  2   |             
      Pigmentation                         |                   2  1                                            2  2   |             
      Lymphoid Follicle, Atrophy           |                                                                          |             
      Lymphoid Follicle, Hyperplasia       |                   3                          3     4           3  3  3   |             
      Red Pulp, Atrophy                    |                                                                          |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  M  +  +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  I  +  A  +  +  +  M|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |          3        3     3  4     1  2                    1        2      |             
      Cyst, Focal                          |                                                                          |             
      Hyperplasia, Lymphoid                |                                              2           2        2  3   |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  M  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                                          |             
      Duct, Dilatation                     |          2                                                               |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer, Focal                         |                                                                          |             
      Artery, Inflammation                 |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |          +                                                               |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  17                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 3| 7| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2|             
                             DAY ON TEST   | 9| 3| 3| 3| 6| 1| 3| 3| 0| 3| 6| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 8|             
                                           | 7| 6| 7| 7| 6| 9| 5| 6| 1| 6| 1| 6| 6| 6| 4| 7| 7| 5| 7| 5| 3| 6| 6| 6| 8|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     CONTROL                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM - cont             |                                                                          |             
                                           |                                                                          |             
      Necrosis                             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Thalamus, Mineralization             |    2  2  2        1        2  1  2  2  3           2     2  2  1  1  1   |             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |                                                                          |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  A|             
      Congestion                           |          2                                                               |             
      Hemorrhage                           |                                     2                                    |             
      Infiltration Cellular, Lymphocyte    |                                     2                    1           2   |             
      Inflammation, Focal                  |                                                             3            |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           |                                  2                                       |             
      Alveolus, Infiltration Cellular,     |                                                                          |             
           Histiocyte                      |                                                                          |             
      Artery, Mineralization               |                                                                          |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  M  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  A|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |    +           M                       +                                 |             
      Cornea, Inflammation                 |    2                                   2                                 |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                   2  2                             2                 1   |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |                                     2                                    |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  A|             
      Bilateral, Artery, Mineralization    |                                                                          |             
      Bilateral, Cortex, Infiltration      |                                                                          |             
          Cellular, Lymphocyte             |                                                                          |             
      Bilateral, Cortex, Inflammation      |                                                                          |             
      Bilateral, Cortex, Mineralization    |                                                                          |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Degeneration                    |                   1                                                      |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Dilatation                      |                                                                          |             
      Bilateral, Glomerulus, Amyloid       |                                                                          |             
          Deposition                       |                                                                          |             
      Bilateral, Medulla, Infiltration     |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  18                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 3| 7| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2|             
                             DAY ON TEST   | 9| 3| 3| 3| 6| 1| 3| 3| 0| 3| 6| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 8|             
                                           | 7| 6| 7| 7| 6| 9| 5| 6| 1| 6| 1| 6| 6| 6| 4| 7| 7| 5| 7| 5| 3| 6| 6| 6| 8|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    SHAM                                   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     CONTROL                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
          Cellular, Lymphocyte             |             1           1              2  1                       2      |             
      Bilateral, Medulla, Mineralization   |                                                                          |             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |          2  2           1                                                |             
      Cortex, Metaplasia, Focal, Osseous   | 2                                                                        |             
      Cortex, Renal Tubule, Degeneration   |                                              1                           |             
      Medulla, Infiltration Cellular,      |                                                                          |             
          Lymphocyte                       | 1        1        2                                2     2     2     2   |             
      Medulla, Inflammation                |                                                             3            |             
      Medulla, Mineralization              |                                                             2            |             
      Pelvis, Calculus Micro Observation   |                                                                          |             
          Only                             |                                                                X         |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  M  A  +  +  +  +  M  +  +  +  +  +  +  +  A  +  A  +  +  +  A|             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Lymphocyte    |          2                                                           3   |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  19                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7|            |
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 5| 3| 3| 9| 3| 3| 6| 3| 3| 3| 9| 3|            |
                                           | 5| 5| 6| 5| 6| 5| 6| 2| 5| 5| 6| 6| 6| 2| 7| 6| 6| 7| 5| 7| 6| 7| 5| 1| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6|      A     |
    SHAM                                   | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     CONTROL                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  97        |
                                            __________________________________________________________________________|____________|
   Gallbladder                             | M  +  +  +  M  +  +  +  +  +  +  +  +  A  +  +  A  +  +  A  +  +  +  A  +|  70        |
      Epithelium, Cyst                     |          1                                                               |      5  2.0|
                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  A  +  +  +  A  +|  82        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  A  +  +  A  +  +  +  A  +|  82        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  A  +  +  A  +  +  +  A  +|  78        |
      Lymphoid Tissue, Hyperplasia         |    2  2     2  2  1  1              2        2     2                     |     25  1.9|
                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  A  +  +  A  +  +  +  A  +|  77        |
      Inflammation                         |                                                                          |      1  2.0|
      Muscularis, Hypertrophy              |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  A  +  +  A  +  +  +  A  +|  79        |
      Muscularis, Hypertrophy              |                                                                          |      6  2.2|
      Peyer's Patch, Hyperplasia           |                                                                          |      3  3.0|
                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  A  +  +  A  +  +  +  A  +|  78        |
      Inflammation                         |                                                                          |      1  1.0|
      Muscularis, Hypertrophy              | 1     1                          2  1                          1        2|     17  2.1|
      Peyer's Patch, Hyperplasia           |                                                                          |      4  1.3|
                                            __________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Angiectasis                          |                                                                          |      1  1.0|
      Basophilic Focus                     |                                                                          |      2  3.0|
      Clear Cell Focus                     |                                                                          |      4  1.5|
      Eosinophilic Focus                   |                   2              2                                       |      5  2.4|
      Eosinophilic Focus, Multiple         |                                              2                           |      1  2.0|
      Fibrosis                             |                                                                          |      1  3.0|
      Infiltration Cellular, Focal,        |                                                                          |            |
          Lymphocyte                       |                                                                          |      1  3.0|
      Infiltration Cellular, Focal, Mixed  |                                                                          |            |
          Cell                             | 1  2  1  2  1  2  2     1     2  2        2  2  2  2  2           1      |     53  1.7|
      Necrosis                             |                                                          2               |      4  2.3|
      Hepatocyte, Vacuolization Cytoplasmic|                      2     1                                   2         |     14  2.0|
                                            __________________________________________________________________________|____________|
   Mesentery                               | +     +        +  +                                                     +|  36        |
      Hemorrhage                           |                                                                          |      1  3.0|
      Artery, Mineralization               |                                                                          |      1  4.0|
      Fat, Inflammation                    |                3                                                         |      6  2.5|
      Fat, Necrosis                        | 3     3        3  3                                                     4|     22  3.1|
                                            __________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  A  +|  87        |
      Angiectasis, Focal                   |                            2                                             |      1  2.0|
      Infiltration Cellular, Focal, Mixed  |                                                                          |            |
          Cell                             |                                                                          |      7  1.9|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  20                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7|            |
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 5| 3| 3| 9| 3| 3| 6| 3| 3| 3| 9| 3|            |
                                           | 5| 5| 6| 5| 6| 5| 6| 2| 5| 5| 6| 6| 6| 2| 7| 6| 6| 7| 5| 7| 6| 7| 5| 1| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6|      A     |
    SHAM                                   | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     CONTROL                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
                                           |                                                                          |            |
      Infiltration Cellular, Lymphocyte    |                                                          2     2  2      |      5  2.4|
      Lipomatosis                          |                2           1                       1           2  1      |     21  1.7|
      Vacuolization Cytoplasmic            |    2     2                       1                                2     2|     12  1.8|
      Acinus, Cytoplasmic Alteration       |                                                                          |      1  1.0|
      Acinus, Hypertrophy, Focal           |                                                                          |      1  1.0|
      Duct, Cyst                           |                                                                          |      1  4.0|
                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|  94        |
      Infiltration Cellular, Lymphocyte    | 1  1  1  2  2  2     2  2  2  2  2  1     2  2  2  2  2  2  1  2  2  1  2|     74  1.8|
                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|  91        |
      Infiltration Cellular, Lymphocyte    |                                                                          |      1  2.0|
      Epithelium, Atrophy                  |                                                                          |      6  1.3|
      Epithelium, Hyperplasia              |                                                                          |      4  2.0|
                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  A  +  +  +  A  +|  86        |
      Infiltration Cellular, Lymphocyte    |                                                                          |      7  1.6|
      Inflammation                         |                                                                          |      1  2.0|
      Epithelium, Atrophy                  |                                                                          |     14  1.8|
      Epithelium, Cyst, Focal              |                2           1     1  1                          1        2|     23  1.6|
      Epithelium, Mineralization           |                                                                          |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Aorta, Mineralization                |                                                                          |      2  4.0|
                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Inflammation                         |                                                          3               |      1  3.0|
      Artery, Mineralization               |                                                                          |      1  3.0|
      Atrium, Thrombosis                   |                                                          3               |      1  3.0|
      Myocardium, Degeneration             |             2                                                            |      1  2.0|
      Myocardium, Mineralization           |                                                                          |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|  92        |
      Cytoplasmic Alteration, Focal        |                                                                          |      1  2.0|
      Inflammation                         |                                                                          |      1  3.0|
      Bilateral, Capsule, Hyperplasia      | 2  3  3  2  2  2  2  2  3  2  2  3  2        3  3     2  2  2  3  3  2  2|     88  2.2|
      Bilateral, Zona Reticularis,         |                                                                          |            |
          Degeneration, Fatty              |                                                       3                  |      2  3.0|
      Capsule, Hyperplasia                 |                                           2        2                     |      3  2.3|
      Zona Fasciculata, Hypertrophy, Focal |       1                 2                                                |      2  1.5|
      Zona Reticularis, Degeneration, Fatty|                                                                          |      2  2.0|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  21                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7|            |
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 5| 3| 3| 9| 3| 3| 6| 3| 3| 3| 9| 3|            |
                                           | 5| 5| 6| 5| 6| 5| 6| 2| 5| 5| 6| 6| 6| 2| 7| 6| 6| 7| 5| 7| 6| 7| 5| 1| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6|      A     |
    SHAM                                   | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     CONTROL                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|  90        |
      Hyperplasia                          |                                                                          |      3  1.7|
                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  A  +|  87        |
      Hyperplasia                          |                1           2                          1  1  1           1|     40  1.4|
                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       | +  +  +  M  +  +  +  +  M  M  M  +  +  M  +  +  +  +  +  M  +  +  +  M  +|  63        |
      Hyperplasia                          |                   1                                                      |     11  1.2|
      Infiltration Cellular, Lymphocyte    |                                                       3                  |      2  3.0|
      Vacuolization Cytoplasmic            |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Pineal Gland                            | M  +  M  +  M  I  +  +  +  +  +  M  +  +  M  I  M  +  M  +  +  M  +  +  +|  52        |
                                            __________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  M|  83        |
      Pars Distalis, Hyperplasia, Focal    |    2           2              1     2        2        3        2         |     37  2.2|
                                            __________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  92        |
      Inflammation, Focal                  |                                                                          |      2  2.5|
      Follicle, Cyst                       |          1     2              1                    2        2     1      |     21  1.7|
      Follicular Cell, Hyperplasia, Focal  |                                                                          |      3  2.0|
      Follicular Cell, Hypertrophy, Diffuse|                                                                          |      2  2.5|
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Tissue NOS                              |                                                                          |   1        |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Clitoral Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|  89        |
      Atrophy                              |                   2  3                       3        2           4      |     25  3.2|
      Cyst                                 |                   1  2                       2        2                 2|     29  2.6|
      Bilateral, Atrophy                   | 3  3  3  3  3  3        3  3  3  3  3           3  4     4  4  3     4   |     55  3.4|
      Bilateral, Cyst                      | 2  2  2  2  3  2        2  2  1  2  2     2        2     2  2  2  2  2   |     55  2.4|
      Bilateral, Inflammation              |                                                          2               |      2  2.0|
                                            __________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  A  M|  79        |
      Atrophy                              |                            2                                             |      3  2.3|
      Cyst                                 |          3        2  3                       4                           |     20  2.6|
      Infiltration Cellular, Mast Cell     |                                                                          |      1  3.0|
      Mineralization                       |                                                                          |      1  1.0|
      Bilateral, Atrophy                   |       2                                                                  |      1  2.0|
      Bilateral, Cyst                      |                                  2                                       |      2  2.0|
                                            __________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  92        |
      Angiectasis                          |                                              4                           |      1  4.0|
      Hemorrhage                           |                                                                          |      1  3.0|
      Hydrometra                           |                      2     3  3        2                       3        2|     24  3.1|
      Inflammation                         |                                                                          |      2  2.5|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  22                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7|            |
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 5| 3| 3| 9| 3| 3| 6| 3| 3| 3| 9| 3|            |
                                           | 5| 5| 6| 5| 6| 5| 6| 2| 5| 5| 6| 6| 6| 2| 7| 6| 6| 7| 5| 7| 6| 7| 5| 1| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6|      A     |
    SHAM                                   | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     CONTROL                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 GENITAL SYSTEM - cont                     |                                                                          |            |
                                           |                                                                          |            |
      Bilateral, Hydrometra                |    3              3     3        4  3        4  3  2  3  2               |     24  3.2|
      Bilateral, Endometrium, Amyloid      |                                                                          |            |
          Deposition                       |                                                                          |      1  3.0|
      Bilateral, Endometrium, Hyperplasia, |                                                                          |            |
           Cystic                          | 2        2  2  3                          1                              |     32  2.2|
      Endometrium, Hyperplasia, Cystic     |       1                                      2  2     1                  |     22  2.0|
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  96        |
      Hyperplasia                          |       3                 2              2                 1               |     23  1.7|
      Myelofibrosis                        |                                                    2                     |     10  1.7|
      Myeloid Cell, Hyperplasia            |                                                                          |      3  2.3|
                                            __________________________________________________________________________|____________|
   Lymph Node                              |                +                                                         |  19        |
      Ectasia                              |                                                                          |      2  3.0|
      Hemorrhage                           |                                                                          |      1  2.0|
      Lumbar, Ectasia                      |                3                                                         |      3  3.0|
      Lumbar, Hemorrhage                   |                3                                                         |      4  2.8|
      Lumbar, Pigmentation                 |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  M  +|  84        |
      Atrophy                              |                                                                          |      3  2.3|
      Hemorrhage                           |                                           2                              |      2  2.0|
      Hyperplasia                          |                            2                                             |      8  2.1|
      Infiltration Cellular, Plasma Cell   |                                                                          |      2  3.0|
      Infiltration Cellular, Mixed Cell    |                                     2                                    |      2  2.0|
      Pigmentation                         |          2  1           2     2  2              2     1  2     1  2      |     22  1.6|
                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  A  M|  83        |
      Angiectasis                          |                                                                          |      1  2.0|
      Atrophy                              | 3                 2        3                             3  1            |     12  2.3|
      Ectasia                              |                                                                          |      3  3.3|
      Hemorrhage                           |                                                                1         |      3  2.0|
      Hyperplasia                          |                                                                          |      2  2.0|
      Hyperplasia, Reticulum Cell          |                                                                          |      3  2.3|
      Infiltration Cellular, Plasma Cell   |                                                                          |      5  2.4|
      Infiltration Cellular, Histiocyte    |       2  2  2  2  2     2     2     2     2  2  1     1     1  2         |     50  1.8|
      Infiltration Cellular, Mixed Cell    |    3                             2                                       |      4  2.3|
                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|  91        |
      Congestion                           |                                                                          |      1  2.0|
      Hematopoietic Cell Proliferation     | 2  3  4  3  2  2        3  3  3  3     4  2  3  3  3  2  3  3  2        3|     74  2.6|
      Pigmentation                         |                2  2           2           1     2     2                  |     17  1.7|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  23                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7|            |
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 5| 3| 3| 9| 3| 3| 6| 3| 3| 3| 9| 3|            |
                                           | 5| 5| 6| 5| 6| 5| 6| 2| 5| 5| 6| 6| 6| 2| 7| 6| 6| 7| 5| 7| 6| 7| 5| 1| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6|      A     |
    SHAM                                   | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     CONTROL                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |
      Lymphoid Follicle, Atrophy           |       1                                3                 3               |      6  2.5|
      Lymphoid Follicle, Hyperplasia       | 2  3     3  2  2  2     3        2                 3  2                 1|     31  2.4|
      Red Pulp, Atrophy                    |                      3                                                   |      2  2.5|
                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  M  +  +  +  +  I  +  +  +  +  M  A  M  +  +  +  +  +  +  +  +  M  +|  78        |
      Angiectasis                          |                                                                          |      1  2.0|
      Atrophy                              |             2                                   3     1  4               |     22  2.6|
      Cyst, Focal                          |                         2     2                             1            |      5  1.8|
      Hyperplasia, Lymphoid                |                   2     1  3     2                          2     2     1|     31  2.0|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  94        |
      Hyperplasia                          |                                                                          |      3  3.3|
      Duct, Dilatation                     | 2     1              1                                                   |     10  1.4|
                                            __________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Ulcer, Focal                         |       3                                                              3   |      2  3.0|
      Artery, Inflammation                 |                                                                          |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +| 100        |
                                            __________________________________________________________________________|____________|
   Skeletal Muscle                         |                      +                                                   |   7        |
      Necrosis                             |                      3                                                   |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Thalamus, Mineralization             |       2                    2     2     3  2              2  2  2        2|     47  1.8|
                                            __________________________________________________________________________|____________|
   Peripheral Nerve                        |                                                                          |   2        |
                                            __________________________________________________________________________|____________|
   Spinal Cord                             |                                                                          |   3        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|  95        |
      Congestion                           |                                                                          |      1  2.0|
      Hemorrhage                           |                                                                          |      2  2.0|
      Infiltration Cellular, Lymphocyte    | 1  2        1  2  1        2  2     2     1  1  2  1  1  2     2         |     32  1.7|
      Inflammation, Focal                  |                                                                          |      2  2.5|
      Alveolar Epithelium, Hyperplasia,    |                                                                          |            |
           Focal                           |                                                                          |      4  1.8|
      Alveolus, Infiltration Cellular,     |                                                                          |            |
           Histiocyte                      |                                                                          |      1  3.0|
      Artery, Mineralization               |                                                                          |      2  2.5|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  24                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7|            |
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 5| 3| 3| 9| 3| 3| 6| 3| 3| 3| 9| 3|            |
                                           | 5| 5| 6| 5| 6| 5| 6| 2| 5| 5| 6| 6| 6| 2| 7| 6| 6| 7| 5| 7| 6| 7| 5| 1| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6|      A     |
    SHAM                                   | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     CONTROL                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  94        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Eye                                     |                                                                          |   2        |
      Cornea, Inflammation                 |                                                                          |      2  2.0|
                                            __________________________________________________________________________|____________|
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Infiltration Cellular, Lymphocyte    |    2              2                 1                             1      |     13  1.5|
      Bilateral, Infiltration Cellular,    |                                                                          |            |
           Lymphocyte                      |                            1  1                    1           2         |     14  1.5|
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  A  +|  92        |
      Bilateral, Artery, Mineralization    |                                                                          |      1  2.0|
      Bilateral, Cortex, Infiltration      |                                                                          |            |
          Cellular, Lymphocyte             |       1        1  1     2  3                    1              2         |     11  1.7|
      Bilateral, Cortex, Inflammation      |                                                          1               |      1  1.0|
      Bilateral, Cortex, Mineralization    |                                                                          |      1  2.0|
      Bilateral, Cortex, Renal Tubule,     |                                                                          |            |
           Degeneration                    |                                                          1               |      7  1.7|
      Bilateral, Cortex, Renal Tubule,     |                                                                          |            |
           Dilatation                      |                                                                          |      1  1.0|
      Bilateral, Glomerulus, Amyloid       |                                                                          |            |
          Deposition                       |                                                                          |      1  2.0|
      Bilateral, Medulla, Infiltration     |                                                                          |            |
          Cellular, Lymphocyte             |                               2     1     1        2  1  1  2            |     26  1.5|
      Bilateral, Medulla, Mineralization   |                                                                          |      1  1.0|
      Cortex, Infiltration Cellular,       |                                                                          |            |
          Lymphocyte                       | 2                    1        1                    1  2                  |     13  1.5|
      Cortex, Metaplasia, Focal, Osseous   |                                                                          |      4  2.0|
      Cortex, Renal Tubule, Degeneration   |                                                                          |      3  1.7|
      Medulla, Infiltration Cellular,      |                                                                          |            |
          Lymphocyte                       |          1  2     2  1           2                                       |     21  1.6|
      Medulla, Inflammation                |                                                                          |      1  3.0|
      Medulla, Mineralization              |                                                                          |      2  2.0|
      Pelvis, Calculus Micro Observation   |                                                                          |            |
          Only                             |                                                                          |      3     |
                                            __________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  M  +  M  +  +  +  +  +  +  A  +  +  M  +  +  +  A  +|  79        |
      Infiltration Cellular, Plasma Cell   |                                                                          |      1  2.0|
      Infiltration Cellular, Lymphocyte    |                1                 2  2                          1         |      8  1.6|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  25                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 6| 7|             
                             DAY ON TEST   | 3| 3| 9| 3| 3| 7| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 8| 9| 3|             
                                           | 6| 6| 6| 5| 6| 3| 7| 7| 7| 6| 2| 7| 7| 5| 7| 7| 7| 7| 5| 6| 5| 6| 1| 2| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  +  +  +  +  A  +  +  +  +  A  M  +  M  +  +  +  A  +  +  +  +  +  A  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Epithelium, Cyst                     |                                                             2            |             
      Epithelium, Cytoplasmic Alteration   |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Lymphoid Tissue, Hyperplasia         |    2        2              1              2     1     1                  |             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  A  A  +|             
      Muscularis, Hypertrophy              |                         2                                                |             
      Peyer's Patch, Hyperplasia           |                   2     2                                                |             
      Peyer's Patch, Inflammation          |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  A  A  +|             
      Inflammation                         |                                                                          |             
      Muscularis, Hypertrophy              |                      2                          2                        |             
      Peyer's Patch, Hyperplasia           |                                                                          |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Basophilic Focus                     |                                     1                                    |             
      Clear Cell Focus                     |                                                                          |             
      Developmental Malformation           |                                                                          |             
      Eosinophilic Focus                   |                            2                                             |             
      Eosinophilic Focus, Multiple         |                                                                          |             
      Infiltration Cellular, Focal, Mast   |                                                                          |             
          Cell                             |                                                             2            |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             | 1        2  1     1  1     1     1  1  2  2  2  2        2     2        2|             
      Inflammation, Focal                  |                                                                          |             
      Mixed Cell Focus                     |                                                                          |             
      Necrosis                             |                                                                          |             
      Hepatocyte, Vacuolization Cytoplasmic|                               3              2     3              1      |             
                                            __________________________________________________________________________|             
   Mesentery                               |       +  +     +           +        +  +                 +     +     +   |             
      Hemorrhage                           |                                                                          |             
      Fat, Inflammation                    |                                                          3     3         |             
      Fat, Necrosis                        |       3                    3        3  2                 4               |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                           2  2                           |             
      Lipomatosis                          |          2              1        1     2  2                    2         |             
      Vacuolization Cytoplasmic            |       2                    1                       1                     |             
      Acinus, Cytoplasmic Alteration       |       2                                                                  |             
      Acinus, Degeneration, Focal          |                            2                                             |             
      Duct, Cyst                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  26                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 6| 7|             
                             DAY ON TEST   | 3| 3| 9| 3| 3| 7| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 8| 9| 3|             
                                           | 6| 6| 6| 5| 6| 3| 7| 7| 7| 6| 2| 7| 7| 5| 7| 7| 7| 7| 5| 6| 5| 6| 1| 2| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                                                          |             
      Infiltration Cellular, Lymphocyte    | 1  2     2  2     2  2     2  1  2  2  2  2  1  1        2  2  2  2     2|             
      Duct, Cyst                           |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Epithelium, Atrophy                  |             1                    2                       1               |             
      Epithelium, Hyperplasia              |       2                                                                  |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Inflammation                         |                                                                          |             
      Ulcer, Focal                         |                                                                          |             
      Epithelium, Atrophy                  |             1        1     1                             2  3  2         |             
      Epithelium, Cyst, Focal              |    1                 1                             2     1  1           2|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Artery, Inflammation                 |                                                                          |             
      Myocardium, Degeneration             |                                                                          |             
      Myocardium, Mineralization           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Bilateral, Capsule, Hyperplasia      | 2  2  2  2  2     3  2  2  2  2  2     2  2  2  2  2  2  2  2     2  2  2|             
      Bilateral, Capsule, Mineralization   |                                                                2         |             
      Capsule, Hyperplasia                 |                                     2                                    |             
      Zona Fasciculata, Hypertrophy,       |                                                                          |             
          Diffuse                          |                                                                          |             
      Zona Reticularis, Degeneration, Fatty|                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |          2              1                                   2            |             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Degeneration                         |                                                                          |             
      Hyperplasia                          | 1  2  1  1        2  1     2                    2     2     1            |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                                                          |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  +  +  M  M  M  M  +  +  M  +  +  M  +  +  M  M  M  +  M  +  M  M|             
      Cyst                                 |                                                                          |             
      Hyperplasia                          |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                     2                                    |             
                                            __________________________________________________________________________|             
   Pineal Gland                            | +  M  M  I  M  A  M  +  +  M  M  M  M  M  M  M  M  M  M  +  +  +  M  I  M|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  A  M  +  I  +  I  +  +  +  +  +  +  +  +  +  +  +  +  I  +|             
      Pars Distalis, Cyst                  |             2              2                                             |             
      Pars Distalis, Hyperplasia, Focal    | 2           2        2     4     2  2     2  3  3  3  3        2  2      |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  27                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 6| 7|             
                             DAY ON TEST   | 3| 3| 9| 3| 3| 7| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 8| 9| 3|             
                                           | 6| 6| 6| 5| 6| 3| 7| 7| 7| 6| 2| 7| 7| 5| 7| 7| 7| 7| 5| 6| 5| 6| 1| 2| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
      Rathke's Cleft, Cyst                 |                                                                          |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Follicle, Cyst                       |                         2  2     3           2                           |             
      Follicular Cell, Hyperplasia, Focal  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Tissue NOS                              |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Clitoral Gland                          | +  +  +  +  +  A  M  +  +  +  +  +  +  +  +  +  +  M  +  +  M  +  M  +  +|             
      Atrophy                              |    3                    4        2           4        4              4   |             
      Cyst                                 |    1     2              2  3     1        2  2        3              3  3|             
      Bilateral, Atrophy                   | 3     3     4        4        4     3  4  4     4        4               |             
      Bilateral, Cyst                      | 3     2     3        2        3     3  2        2        3     1         |             
      Bilateral, Inflammation              |                                                                          |             
                                            __________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  A  M  +  +  +  A  M  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                           2                              |             
      Atrophy                              |                                                                          |             
      Cyst                                 |             2                                2  2        2              3|             
      Hemorrhage                           |                                                                          |             
      Pigmentation                         |                                                                          |             
      Bilateral, Atrophy                   |                                        2                                 |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Amyloid Deposition                   |                                                                          |             
      Angiectasis                          |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hydrometra                           |             4     4  2                    3              3               |             
      Inflammation, Chronic                |                                                                          |             
      Thrombosis                           |                                                                          |             
      Bilateral, Atrophy                   |                                                                          |             
      Bilateral, Hydrometra                |    3  2        3              2                                   3      |             
      Bilateral, Endometrium, Hyperplasia, |                                                                          |             
           Cystic                          | 2        3                 2        2        3  3  2  2     2  2        1|             
      Endometrium, Hyperplasia, Cystic     |             3     1  2  3        2     3                             2   |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Hyperplasia                          |                   2                                                  2  1|             
      Myelofibrosis                        |                                              2                 1         |             
      Necrosis                             |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node                              | +              +                                         +               |             
      Ectasia                              |                3                                                         |             
      Hemorrhage                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  28                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 6| 7|             
                             DAY ON TEST   | 3| 3| 9| 3| 3| 7| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 8| 9| 3|             
                                           | 6| 6| 6| 5| 6| 3| 7| 7| 7| 6| 2| 7| 7| 5| 7| 7| 7| 7| 5| 6| 5| 6| 1| 2| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Infiltration Cellular, Histiocyte    |                                                                          |             
      Lumbar, Ectasia                      |                                                                          |             
      Mediastinal, Infiltration Cellular,  |                                                                          |             
           Mixed Cell                      |                                                          2               |             
      Renal, Ectasia                       |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                                                          |             
      Hemorrhage                           |                                                    1                     |             
      Hyperplasia                          | 2        1                                      1                        |             
      Hyperplasia, Reticulum Cell          |                                                                          |             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Pigmentation                         |    2                                               1                 2   |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  M  +  A  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |                   2        1     2                             2        2|             
      Hemorrhage                           |                                                          2               |             
      Hyperplasia                          |                                              2                           |             
      Hyperplasia, Reticulum Cell          |             2                                                            |             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Histiocyte    |    2  1           1  2  2  2     2     2           2           2  2      |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  M  +  +|             
      Fibrosis, Focal                      |                                                                          |             
      Hematopoietic Cell Proliferation     | 2  3     3  2     3  3  2  3     3  2  3  2  1  3     3  4  3  3     3  3|             
      Infarct                              |                                                                          |             
      Infiltration Cellular, Mast Cell     |                                                             3            |             
      Pigmentation                         |                                        2           1  3                  |             
      Lymphoid Follicle, Atrophy           |       3                                                                  |             
      Lymphoid Follicle, Hyperplasia       |    2              3  2  1           3        2                 2        2|             
      Red Pulp, Atrophy                    |       4                                                                  |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |       4     1                                2                    4      |             
      Cyst, Focal                          | 2                                                                        |             
      Hyperplasia, Lymphoid                | 2        2                          1     2  2           2              3|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |          2                                                               |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Artery, Inflammation                 |                                                                          |             
      Duct, Dilatation                     | 1        2                                                  2        2  2|             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             

                                                             Page  29                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 6| 7|             
                             DAY ON TEST   | 3| 3| 9| 3| 3| 7| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 8| 9| 3|             
                                           | 6| 6| 6| 5| 6| 3| 7| 7| 7| 6| 2| 7| 7| 5| 7| 7| 7| 7| 5| 6| 5| 6| 1| 2| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hypothalamus, Compression            |                                                                         3|             
      Thalamus, Infiltration Cellular,     |                                                                          |             
           Lymphocyte                      |                                                                          |             
      Thalamus, Mineralization             | 2     2  3     1  1  1     2  2     2  2  2  2  2  1  3  2  2  1  2  2   |             
      Ventricle, Hydrocephalus             |                                                                         2|             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |                                                                          |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    | 2  1     2        1     1        1              1     2           2  2  2|             
      Inflammation, Focal                  |                                                                          |             
      Metaplasia, Focal, Osseous           |                                                                          |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           |                                                                          |             
      Alveolus, Infiltration Cellular,     |                                                                          |             
           Histiocyte                      |                                                                          |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                                                                          |             
      Lens, Degeneration                   |                                                                          |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                           2  2  1        2               |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |                1                                                         |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Hydronephrosis                       |                                        2                                 |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Bilateral, Cortex, Cyst, Multiple    |                                                                          |             
      Bilateral, Cortex, Infiltration      |                                                                          |             
          Cellular, Lymphocyte             |                                                                          |             
      Bilateral, Cortex, Mineralization    |       1                                                                  |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  30                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 6| 7|             
                             DAY ON TEST   | 3| 3| 9| 3| 3| 7| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 8| 9| 3|             
                                           | 6| 6| 6| 5| 6| 3| 7| 7| 7| 6| 2| 7| 7| 5| 7| 7| 7| 7| 5| 6| 5| 6| 1| 2| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
           Degeneration                    |                                     1                                    |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Dilatation                      |                                                    1                     |             
      Bilateral, Glomerulus, Inflammation  |                                                                          |             
      Bilateral, Medulla, Infiltration     |                                                                          |             
          Cellular, Lymphocyte             |                                     2        1  2  2  2  2              1|             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |                                                                         2|             
      Cortex, Metaplasia, Focal, Osseous   |                                                                          |             
      Cortex, Renal Tubule, Degeneration   |                         2                             1                  |             
      Medulla, Infiltration Cellular,      |                                                                          |             
          Lymphocyte                       |          2           1           1                             2  2      |             
      Medulla, Mineralization              |                                                                          |             
      Pelvis, Calculus Micro Observation   |                                                                          |             
          Only                             |                                                                          |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  A  M  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  M  +|             
      Infiltration Cellular, Lymphocyte    |                      2                                                   |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  31                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0|             
                             DAY ON TEST   | 2| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6|             
                                           | 6| 5| 5| 5| 6| 6| 6| 5| 7| 7| 7| 1| 6| 5| 9| 6| 7| 5| 5| 6| 5| 7| 4| 7| 4|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Epithelium, Cyst                     |                                  1     2           3     1               |             
      Epithelium, Cytoplasmic Alteration   |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Lymphoid Tissue, Hyperplasia         |          1  2  1     2        1              2        2              2  3|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | A  A  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  A  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  A  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Muscularis, Hypertrophy              |                            1                    2              3         |             
      Peyer's Patch, Hyperplasia           |          2                                         2                     |             
      Peyer's Patch, Inflammation          |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  A  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation                         |                                                                          |             
      Muscularis, Hypertrophy              | 2                                                  4                     |             
      Peyer's Patch, Hyperplasia           |                            2                                             |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Basophilic Focus                     |                               3                                          |             
      Clear Cell Focus                     |                               1                                          |             
      Developmental Malformation           |                                                                         X|             
      Eosinophilic Focus                   |                                        2                                 |             
      Eosinophilic Focus, Multiple         |                                                                          |             
      Infiltration Cellular, Focal, Mast   |                                                                          |             
          Cell                             |                                                                          |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |       2     1  1        2     1     2  1        2     1  1  2     1      |             
      Inflammation, Focal                  |                                                                          |             
      Mixed Cell Focus                     |                                                                          |             
      Necrosis                             |                                                                          |             
      Hepatocyte, Vacuolization Cytoplasmic|                                                       1           1  1   |             
                                            __________________________________________________________________________|             
   Mesentery                               |             +     +                 +                 +  +  +  +         |             
      Hemorrhage                           |                                                                          |             
      Fat, Inflammation                    |                                                                          |             
      Fat, Necrosis                        |             3     2                                   3  3  3  3         |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |       2                    2                                             |             
      Lipomatosis                          |                               1                                          |             
      Vacuolization Cytoplasmic            |             1                       1           2     2  1               |             
      Acinus, Cytoplasmic Alteration       |          2                                                               |             
      Acinus, Degeneration, Focal          |                                                                          |             
      Duct, Cyst                           |       3                                                                  |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  32                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0|             
                             DAY ON TEST   | 2| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6|             
                                           | 6| 5| 5| 5| 6| 6| 6| 5| 7| 7| 7| 1| 6| 5| 9| 6| 7| 5| 5| 6| 5| 7| 4| 7| 4|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                                                          |             
      Infiltration Cellular, Lymphocyte    |    1  2  2  2  2  2  2  2  2  2  2     2     1  2  2  2  2  2  1  2  2   |             
      Duct, Cyst                           |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Epithelium, Atrophy                  |       1                          1              1                 2      |             
      Epithelium, Hyperplasia              |                                                    1                     |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                    2        1            |             
      Inflammation                         |                                                                          |             
      Ulcer, Focal                         |                                                                          |             
      Epithelium, Atrophy                  |       2           2              2              2        1        2      |             
      Epithelium, Cyst, Focal              |             2     1        2        1           1                       2|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Artery, Inflammation                 |                                              3                           |             
      Myocardium, Degeneration             |                                     2        2                           |             
      Myocardium, Mineralization           | 3                                                        1               |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Bilateral, Capsule, Hyperplasia      |    2  2     2  2  2  3  2  2  2  2  3  2     2  2  3  2  2  2  1  2  2  1|             
      Bilateral, Capsule, Mineralization   |                                                                          |             
      Capsule, Hyperplasia                 | 2        3                                3                              |             
      Zona Fasciculata, Hypertrophy,       |                                                                          |             
          Diffuse                          |                                                                   3      |             
      Zona Reticularis, Degeneration, Fatty|                                                                      2   |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                     1                                    |             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Degeneration                         |                                                                          |             
      Hyperplasia                          |          1     1        1  1  1  1  2     1  1  1  2        1  1     1   |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                                                          |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  +  +  +  +  +  M  M  +  +  M  M  M  M  +  M  +  M  M  M  M  +  M|             
      Cyst                                 |                                                                          |             
      Hyperplasia                          |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
                                            __________________________________________________________________________|             
   Pineal Gland                            | +  M  M  M  M  M  M  +  I  +  M  M  M  M  +  M  M  +  +  +  +  M  M  +  +|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +|             
      Pars Distalis, Cyst                  |                                                                          |             
      Pars Distalis, Hyperplasia, Focal    | 2     2  3           2  1     1  1        2  2           2     2         |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  33                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0|             
                             DAY ON TEST   | 2| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6|             
                                           | 6| 5| 5| 5| 6| 6| 6| 5| 7| 7| 7| 1| 6| 5| 9| 6| 7| 5| 5| 6| 5| 7| 4| 7| 4|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
      Rathke's Cleft, Cyst                 |                                                                          |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Follicle, Cyst                       |       1                                      1     2     1           2   |             
      Follicular Cell, Hyperplasia, Focal  |                                           2                          2   |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Tissue NOS                              |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Clitoral Gland                          | M  M  M  M  +  +  +  +  +  +  +  M  +  +  M  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                               3                    4              4      |             
      Cyst                                 |                               2                    2              3      |             
      Bilateral, Atrophy                   |             4  4  3  3  2  4        3  4     3  4     3  3  3  4         |             
      Bilateral, Cyst                      |             3  2  3  3  2  3        2  2        3     2  3  3  2     2   |             
      Bilateral, Inflammation              |                                                                          |             
                                            __________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |    2                                                                     |             
      Cyst                                 |                            3        4              3     1               |             
      Hemorrhage                           |                                                                          |             
      Pigmentation                         |                                                                          |             
      Bilateral, Atrophy                   |                                                                          |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Amyloid Deposition                   |                                                                          |             
      Angiectasis                          |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hydrometra                           |       3     4                       3        4                           |             
      Inflammation, Chronic                |                                        2                                 |             
      Thrombosis                           |                                                                          |             
      Bilateral, Atrophy                   |                         2                                                |             
      Bilateral, Hydrometra                |                                                    4                     |             
      Bilateral, Endometrium, Hyperplasia, |                                                                          |             
           Cystic                          | 2     3        3     2  2  2  2           1     3     3     3     2  1   |             
      Endometrium, Hyperplasia, Cystic     |          3  1     3              2           1           2     2         |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Hyperplasia                          |    1                                1     2  1     2                    2|             
      Myelofibrosis                        |             1     1           1     1        1                       1   |             
      Necrosis                             | 3                                                                        |             
                                            __________________________________________________________________________|             
   Lymph Node                              | +        +  +        +                    +                              |             
      Ectasia                              |          3                                                               |             
      Hemorrhage                           |          3                                                               |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  34                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0|             
                             DAY ON TEST   | 2| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6|             
                                           | 6| 5| 5| 5| 6| 6| 6| 5| 7| 7| 7| 1| 6| 5| 9| 6| 7| 5| 5| 6| 5| 7| 4| 7| 4|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Infiltration Cellular, Histiocyte    |             2                                                            |             
      Lumbar, Ectasia                      |                                                                          |             
      Mediastinal, Infiltration Cellular,  |                                                                          |             
           Mixed Cell                      |                                                                          |             
      Renal, Ectasia                       |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +|             
      Atrophy                              |                                  2                                       |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia                          |                                        2           2                 2   |             
      Hyperplasia, Reticulum Cell          |          2                                                     2         |             
      Infiltration Cellular, Plasma Cell   |                                                                      2   |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Pigmentation                         |                                  2              2                        |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  A  +  +  +  +  +  +  +  +  +  A  +  +  M  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                               2                                          |             
      Atrophy                              |                                     3                                    |             
      Hemorrhage                           |                                                                      1   |             
      Hyperplasia                          |                                                                          |             
      Hyperplasia, Reticulum Cell          |          3        2  2                          3     3     2            |             
      Infiltration Cellular, Plasma Cell   |                                                    2                     |             
      Infiltration Cellular, Histiocyte    |       2  2  2  2              2     2  2     2           2        2  2   |             
      Infiltration Cellular, Mixed Cell    |                   2                                                      |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fibrosis, Focal                      |                                                                          |             
      Hematopoietic Cell Proliferation     |    3  3  2     3  2     2     3  4     2  4  3  3  1  2  3  1  3  3     3|             
      Infarct                              |                                     4                                    |             
      Infiltration Cellular, Mast Cell     |                                                                          |             
      Pigmentation                         |             1                                                            |             
      Lymphoid Follicle, Atrophy           |    3                                                                     |             
      Lymphoid Follicle, Hyperplasia       |                         3              3        3     1     3           3|             
      Red Pulp, Atrophy                    |                                                                          |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  M  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  M  +  M  +|             
      Angiectasis                          |                                                                   3      |             
      Atrophy                              |             1                             2  1     1     1        3      |             
      Cyst, Focal                          |                   1                                                      |             
      Hyperplasia, Lymphoid                |                               2                 3        2               |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Artery, Inflammation                 |                                              3                           |             
      Duct, Dilatation                     |                                     2                                3   |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             

                                                             Page  35                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0|             
                             DAY ON TEST   | 2| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6|             
                                           | 6| 5| 5| 5| 6| 6| 6| 5| 7| 7| 7| 1| 6| 5| 9| 6| 7| 5| 5| 6| 5| 7| 4| 7| 4|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hypothalamus, Compression            |                                                                          |             
      Thalamus, Infiltration Cellular,     |                                                                          |             
           Lymphocyte                      |                                                                          |             
      Thalamus, Mineralization             | 2     2  2        2  2  2  2        3     2        2     2           1   |             
      Ventricle, Hydrocephalus             |                                                                          |             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |                                                                          |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |          1  1     1  2                    1              3     1  1      |             
      Inflammation, Focal                  |                                        1                                 |             
      Metaplasia, Focal, Osseous           |       1                                                                  |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           |                                                                          |             
      Alveolus, Infiltration Cellular,     |                                                                          |             
           Histiocyte                      |                      2                                                   |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                                                                         +|             
      Lens, Degeneration                   |                                                                          |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |       2                                2              2                  |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |             2           1     2                                1         |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hydronephrosis                       |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Bilateral, Cortex, Cyst, Multiple    |                                                                          |             
      Bilateral, Cortex, Infiltration      |                                                                          |             
          Cellular, Lymphocyte             |                   1  1                                      2            |             
      Bilateral, Cortex, Mineralization    |                                                                          |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  36                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0|             
                             DAY ON TEST   | 2| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6|             
                                           | 6| 5| 5| 5| 6| 6| 6| 5| 7| 7| 7| 1| 6| 5| 9| 6| 7| 5| 5| 6| 5| 7| 4| 7| 4|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
           Degeneration                    |                                     3                       1            |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Dilatation                      |                                                                          |             
      Bilateral, Glomerulus, Inflammation  |                                                                          |             
      Bilateral, Medulla, Infiltration     |                                                                          |             
          Cellular, Lymphocyte             |             1  1                          1  2  1     1  1  3  1         |             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |       2                                3                       2  1      |             
      Cortex, Metaplasia, Focal, Osseous   |                                                                          |             
      Cortex, Renal Tubule, Degeneration   |                                                                      2   |             
      Medulla, Infiltration Cellular,      |                                                                          |             
          Lymphocyte                       |          2              1     1        1           2              1      |             
      Medulla, Mineralization              |                                                                          |             
      Pelvis, Calculus Micro Observation   |                                                                          |             
          Only                             |                                                          X               |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  A  I  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                          2           2   |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  37                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 4| 3| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 9| 3| 3| 1| 3| 3| 3| 2| 3| 3| 0|             
                                           | 5| 7| 6| 5| 6| 7| 7| 7| 5| 5| 8| 6| 5| 7| 1| 7| 6| 3| 7| 6| 5| 3| 5| 6| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | A  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  A  +  +  +  A  +  +  +|             
      Infiltration Cellular, Lymphocyte    |       2                                                                  |             
      Epithelium, Cyst                     |                         1     1                 1                       2|             
      Epithelium, Cytoplasmic Alteration   |       3                                                                  |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  M  +  A  +  M  A  +  +  +  A  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  A  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  A  +  +  +  A  +  +  +|             
      Lymphoid Tissue, Hyperplasia         | 2        2  1  2  2                 2  1     2  2     3     2     2      |             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | A  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  A  +  +  +  A  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  A  +  +  +  A  +  +  +|             
      Muscularis, Hypertrophy              |                3                    2                                    |             
      Peyer's Patch, Hyperplasia           |                                                          2               |             
      Peyer's Patch, Inflammation          |       2                                                                  |             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | A  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  A  +  +  +  A  +  +  +|             
      Inflammation                         |                         3                                                |             
      Muscularis, Hypertrophy              |       4                 3                    2  1        2               |             
      Peyer's Patch, Hyperplasia           |             1                                                            |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Basophilic Focus                     |             4                                                            |             
      Clear Cell Focus                     |                                                                          |             
      Developmental Malformation           |                                                                          |             
      Eosinophilic Focus                   |                                                       2                  |             
      Eosinophilic Focus, Multiple         |                                                                          |             
      Infiltration Cellular, Focal, Mast   |                                                                          |             
          Cell                             |                                                                          |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             | 2  2  2  2  1  2  2  2  2              1     1  2     1           2  1   |             
      Inflammation, Focal                  |                                     2                                    |             
      Mixed Cell Focus                     |                                                                          |             
      Necrosis                             | 1                                                                        |             
      Hepatocyte, Vacuolization Cytoplasmic|                            4  3           2                       2      |             
                                            __________________________________________________________________________|             
   Mesentery                               |                   +  +                    +  +  +  +  +                  |             
      Hemorrhage                           |                      2                                                   |             
      Fat, Inflammation                    |                                              3  2                        |             
      Fat, Necrosis                        |                   3                                3  2                  |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |       1  2  2                                                            |             
      Lipomatosis                          |    1        1  1  1        3  3                                          |             
      Vacuolization Cytoplasmic            |    1              2                    3     1              2        1   |             
      Acinus, Cytoplasmic Alteration       |                                                                2         |             
      Acinus, Degeneration, Focal          |                                                                          |             
      Duct, Cyst                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  38                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 4| 3| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 9| 3| 3| 1| 3| 3| 3| 2| 3| 3| 0|             
                                           | 5| 7| 6| 5| 6| 7| 7| 7| 5| 5| 8| 6| 5| 7| 1| 7| 6| 3| 7| 6| 5| 3| 5| 6| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                               3                                          |             
      Infiltration Cellular, Lymphocyte    | 2  2  3  2  2  1  2  2  1  2     2  2  2  2  2  2  2  2  2     1  2  1  3|             
      Duct, Cyst                           |                                                                         3|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  A  +  +  +  A  +  +  +|             
      Epithelium, Atrophy                  |       1                                      1                       2   |             
      Epithelium, Hyperplasia              |          2                    1                                          |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  A  +  +  +  A  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                      1                                            1      |             
      Inflammation                         |                         1                                                |             
      Ulcer, Focal                         |                                                                          |             
      Epithelium, Atrophy                  |       2     1           2  1           1     1  1                    3  2|             
      Epithelium, Cyst, Focal              |             1                 2     1                                2   |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Artery, Inflammation                 |                                                                          |             
      Myocardium, Degeneration             |                                                                          |             
      Myocardium, Mineralization           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Bilateral, Capsule, Hyperplasia      | 2  2  2  3  2  3  2  2  3  2  2  3  2  2  2  2  2     2  3  2  2  3  3  2|             
      Bilateral, Capsule, Mineralization   |                                                                          |             
      Capsule, Hyperplasia                 |                                                                          |             
      Zona Fasciculata, Hypertrophy,       |                                                                          |             
          Diffuse                          |                                                                          |             
      Zona Reticularis, Degeneration, Fatty|                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                                         2|             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Degeneration                         |                                                                          |             
      Hyperplasia                          |    2  1  1  2     1  2           2  2  2  2  2  2     1  1  2  2     1  1|             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                                             2            |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  M  +  M  +  M  M  +  +  M  +  +  +  +  M  +  +  +  M  M  M  M  +  +  M|             
      Cyst                                 |                                                                          |             
      Hyperplasia                          |       1                       1  1              1                        |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
                                            __________________________________________________________________________|             
   Pineal Gland                            | +  +  M  +  +  +  +  M  +  M  +  M  M  +  M  M  M  M  +  +  +  M  M  +  +|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Pars Distalis, Cyst                  |                                                                          |             
      Pars Distalis, Hyperplasia, Focal    | 2  2     3        2  2  2     2  3     2     3  3     4           2  2   |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  39                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 4| 3| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 9| 3| 3| 1| 3| 3| 3| 2| 3| 3| 0|             
                                           | 5| 7| 6| 5| 6| 7| 7| 7| 5| 5| 8| 6| 5| 7| 1| 7| 6| 3| 7| 6| 5| 3| 5| 6| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
      Rathke's Cleft, Cyst                 |                                                                         3|             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Follicle, Cyst                       | 1                    1  2                                2        2      |             
      Follicular Cell, Hyperplasia, Focal  |                                                          1               |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Tissue NOS                              |                               +                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Clitoral Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |    4              3        3                    2           4            |             
      Cyst                                 |    2              2        2                    3           2            |             
      Bilateral, Atrophy                   | 3     4     3  4     3  3     3  3  4  4     4     4  3  4     4  3  3  4|             
      Bilateral, Cyst                      | 1     3  2  3  3     3  2     1  3  3  2     2     3  2  2     3  1  2  3|             
      Bilateral, Inflammation              |                                                    2                     |             
                                            __________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +|             
      Angiectasis                          |                                                    2                     |             
      Atrophy                              |                                                                          |             
      Cyst                                 |                                  2  1  3  3  3           2           3   |             
      Hemorrhage                           |                                                                          |             
      Pigmentation                         |                                                          3               |             
      Bilateral, Atrophy                   |                            2                                             |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +|             
      Amyloid Deposition                   |                                                                         2|             
      Angiectasis                          |                      3                                                  3|             
      Hemorrhage                           |                      2                                                   |             
      Hydrometra                           |                                     2                                    |             
      Inflammation, Chronic                |                                                                          |             
      Thrombosis                           |                                                                          |             
      Bilateral, Atrophy                   |                                                                          |             
      Bilateral, Hydrometra                |                                                          3        4      |             
      Bilateral, Endometrium, Hyperplasia, |                                                                          |             
           Cystic                          |          3  3  4  2           1        1     2  2     2     2            |             
      Endometrium, Hyperplasia, Cystic     | 1  3  2                 3        4        1        2     2               |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Hyperplasia                          |                                                    2                    2|             
      Myelofibrosis                        |          1        1              2              1                       2|             
      Necrosis                             |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node                              |                                                    M        +     +      |             
      Ectasia                              |                                                                          |             
      Hemorrhage                           |                                                                   3      |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  40                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 4| 3| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 9| 3| 3| 1| 3| 3| 3| 2| 3| 3| 0|             
                                           | 5| 7| 6| 5| 6| 7| 7| 7| 5| 5| 8| 6| 5| 7| 1| 7| 6| 3| 7| 6| 5| 3| 5| 6| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Infiltration Cellular, Histiocyte    |                                                                          |             
      Lumbar, Ectasia                      |                                                                          |             
      Mediastinal, Infiltration Cellular,  |                                                                          |             
           Mixed Cell                      |                                                                          |             
      Renal, Ectasia                       |                                                                   3      |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |             3                 3           2        2           2         |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia                          |                                                          1               |             
      Hyperplasia, Reticulum Cell          |                                                                          |             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Pigmentation                         |                   1                       2  2                           |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |                                           3           3                 2|             
      Hemorrhage                           |                                                                          |             
      Hyperplasia                          |                                                                          |             
      Hyperplasia, Reticulum Cell          |                                                                          |             
      Infiltration Cellular, Plasma Cell   |       2                 2                                                |             
      Infiltration Cellular, Histiocyte    |    2              2           3  1  2  2     2                    1  1  2|             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +|             
      Fibrosis, Focal                      |                                                                          |             
      Hematopoietic Cell Proliferation     |    2  2  2  2  1  3  3  4        3  3  2  2  3  3     4  2  3  4  3  3   |             
      Infarct                              |                                                                          |             
      Infiltration Cellular, Mast Cell     |                                                                          |             
      Pigmentation                         |                                                                         2|             
      Lymphoid Follicle, Atrophy           |                                           3                    3         |             
      Lymphoid Follicle, Hyperplasia       |             3  4        3           2           3     1  3           2   |             
      Red Pulp, Atrophy                    |                               3                                         3|             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  M  +  +  +|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |                               4                          2              4|             
      Cyst, Focal                          |                                                                          |             
      Hyperplasia, Lymphoid                |          2        1                 1           2     1           2      |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                           2                              |             
      Infiltration Cellular, Lymphocyte    |                                                                         3|             
      Artery, Inflammation                 |                                                                          |             
      Duct, Dilatation                     |                            1  2                                1        3|             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             

                                                             Page  41                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 4| 3| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 9| 3| 3| 1| 3| 3| 3| 2| 3| 3| 0|             
                                           | 5| 7| 6| 5| 6| 7| 7| 7| 5| 5| 8| 6| 5| 7| 1| 7| 6| 3| 7| 6| 5| 3| 5| 6| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |                               +                    +                     |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hypothalamus, Compression            |                                                                          |             
      Thalamus, Infiltration Cellular,     |                                                                          |             
           Lymphocyte                      |                                                          1               |             
      Thalamus, Mineralization             | 1  2     1  2     2  1  2     2                    1  2  1  2  2  3  2  3|             
      Ventricle, Hydrocephalus             |                         2                                                |             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |                               +                                          |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                               +                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    | 1  2     3     2  1                                      2              2|             
      Inflammation, Focal                  |                                                                          |             
      Metaplasia, Focal, Osseous           |                                                                          |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           |       1                                                                  |             
      Alveolus, Infiltration Cellular,     |                                                                          |             
           Histiocyte                      |                                              2                           |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                                                                          |             
      Lens, Degeneration                   |                                                                          |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    | 1           1        2                                                   |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |                   2              2              2        2               |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hydronephrosis                       |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                                    1                     |             
      Bilateral, Cortex, Cyst, Multiple    |                                                                         3|             
      Bilateral, Cortex, Infiltration      |                                                                          |             
          Cellular, Lymphocyte             |                                                                         2|             
      Bilateral, Cortex, Mineralization    |                                                                          |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  42                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 4| 3| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 9| 3| 3| 1| 3| 3| 3| 2| 3| 3| 0|             
                                           | 5| 7| 6| 5| 6| 7| 7| 7| 5| 5| 8| 6| 5| 7| 1| 7| 6| 3| 7| 6| 5| 3| 5| 6| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    .02                                    | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
           Degeneration                    |                                  3  3     2  3                          4|             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Dilatation                      |                                                                          |             
      Bilateral, Glomerulus, Inflammation  |                                                                          |             
      Bilateral, Medulla, Infiltration     |                                                                          |             
          Cellular, Lymphocyte             | 1     1  1  1     2        2  1                 2                        |             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |             2     1  1                                         1         |             
      Cortex, Metaplasia, Focal, Osseous   |                               3                                          |             
      Cortex, Renal Tubule, Degeneration   |                                                                          |             
      Medulla, Infiltration Cellular,      |                                                                          |             
          Lymphocyte                       |    2                    1           2  1     1        2  2  1            |             
      Medulla, Mineralization              |                                                             1            |             
      Pelvis, Calculus Micro Observation   |                                                                          |             
          Only                             |             X                                                            |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  A  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  43                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 6| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 7|            |
                             DAY ON TEST   | 2| 0| 3| 6| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 2| 3| 3| 6| 3| 3| 3| 3|            |
                                           | 1| 3| 6| 7| 5| 5| 9| 7| 5| 7| 5| 5| 6| 7| 5| 7| 7| 9| 7| 7| 5| 5| 5| 6| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|      A     |
    .02                                    | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +| 100        |
                                            __________________________________________________________________________|____________|
   Gallbladder                             | +  A  +  A  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +|  84        |
      Infiltration Cellular, Lymphocyte    |                                                                          |      1  2.0|
      Epithelium, Cyst                     |                         3        1  1     1        1                     |     14  1.5|
      Epithelium, Cytoplasmic Alteration   |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  | A  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  88        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 | A  A  +  A  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  90        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  | A  A  +  A  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +|  87        |
      Lymphoid Tissue, Hyperplasia         |             3        2                 1  1                       2     2|     33  1.8|
                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               | A  A  +  A  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  85        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                | A  A  +  A  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +|  86        |
      Muscularis, Hypertrophy              |             1                                                        3   |      8  2.1|
      Peyer's Patch, Hyperplasia           |                      2                                                   |      6  2.0|
      Peyer's Patch, Inflammation          |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  | A  A  +  A  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +|  85        |
      Inflammation                         |                                                                          |      1  3.0|
      Muscularis, Hypertrophy              |       2              2                          1              2  1  2  2|     16  2.1|
      Peyer's Patch, Hyperplasia           |                                                                          |      2  1.5|
                                            __________________________________________________________________________|____________|
   Liver                                   | +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  97        |
      Basophilic Focus                     |                                                                          |      3  2.7|
      Clear Cell Focus                     |                         2              1                                 |      3  1.3|
      Developmental Malformation           |                                                                          |      1     |
      Eosinophilic Focus                   |                                                                          |      3  2.0|
      Eosinophilic Focus, Multiple         |                                  2                                       |      1  2.0|
      Infiltration Cellular, Focal, Mast   |                                                                          |            |
          Cell                             |                                                                          |      1  2.0|
      Infiltration Cellular, Focal, Mixed  |                                                                          |            |
          Cell                             |       2     2           1  1        1  1  2  2  2  2  2  2  1     2  2  2|     58  1.6|
      Inflammation, Focal                  |                                                                          |      1  2.0|
      Mixed Cell Focus                     |                               4                                          |      1  4.0|
      Necrosis                             |          3                                                               |      2  2.0|
      Hepatocyte, Vacuolization Cytoplasmic|          2                                               1  3           1|     15  2.0|
                                            __________________________________________________________________________|____________|
   Mesentery                               |                         +                       +  +        +            |  27        |
      Hemorrhage                           |                                                                          |      1  2.0|
      Fat, Inflammation                    |                                                                          |      4  2.8|
      Fat, Necrosis                        |                         4                                   2            |     16  2.9|
                                            __________________________________________________________________________|____________|
   Pancreas                                | A  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  94        |
      Infiltration Cellular, Focal, Mixed  |                                                                          |            |
          Cell                             |                                  1     2  1        2  2                  |     12  1.8|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  44                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 6| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 7|            |
                             DAY ON TEST   | 2| 0| 3| 6| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 2| 3| 3| 6| 3| 3| 3| 3|            |
                                           | 1| 3| 6| 7| 5| 5| 9| 7| 5| 7| 5| 5| 6| 7| 5| 7| 7| 9| 7| 7| 5| 5| 5| 6| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|      A     |
    .02                                    | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
                                           |                                                                          |            |
      Lipomatosis                          |             1           2                                3               |     16  1.7|
      Vacuolization Cytoplasmic            |             1        1  1                    2  1     2              2   |     21  1.5|
      Acinus, Cytoplasmic Alteration       |                                                                          |      3  2.0|
      Acinus, Degeneration, Focal          |                                                                          |      1  2.0|
      Duct, Cyst                           |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Atrophy                              |                                                                          |      1  3.0|
      Infiltration Cellular, Lymphocyte    |    2  1  2  2        1  2  2  2  3     3  2  2     2  2  2  2  2  2  2  2|     83  1.9|
      Duct, Cyst                           |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  92        |
      Epithelium, Atrophy                  |                1                                                         |     11  1.3|
      Epithelium, Hyperplasia              |                                                    2                     |      5  1.6|
                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      | +  A  +  M  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  90        |
      Infiltration Cellular, Lymphocyte    |             2                    1     2                       2         |      8  1.5|
      Inflammation                         |                                                                          |      1  1.0|
      Ulcer, Focal                         | 3                                                                        |      1  3.0|
      Epithelium, Atrophy                  |                2                                1           2            |     24  1.7|
      Epithelium, Cyst, Focal              |                            1  1        2                                 |     19  1.4|
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +| 100        |
                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +| 100        |
      Artery, Inflammation                 |                                                                          |      1  3.0|
      Myocardium, Degeneration             | 2                                            2                           |      4  2.0|
      Myocardium, Mineralization           | 2                                                                        |      3  2.0|
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Bilateral, Capsule, Hyperplasia      | 2     3  2  2  2  2  3  2     2  2  2  2  2     2  2  1     2     3  3  2|     88  2.1|
      Bilateral, Capsule, Mineralization   |                                                                          |      1  2.0|
      Capsule, Hyperplasia                 |                            3                 2           2     3         |      8  2.5|
      Zona Fasciculata, Hypertrophy,       |                                                                          |            |
          Diffuse                          |                                                                          |      1  3.0|
      Zona Reticularis, Degeneration, Fatty|                                                          3               |      2  2.5|
                                            __________________________________________________________________________|____________|
   Adrenal Medulla                         | +  M  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  I  +  +  +  +  +  +  +|  95        |
      Hyperplasia                          |                         2              1                                1|      8  1.5|
                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      | A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  95        |
      Degeneration                         |                                                    2                     |      1  2.0|
      Hyperplasia                          |          1  1  2  2  2  2  2  1  1  2     1  1  2     1  2  1     1     2|     60  1.5|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  45                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 6| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 7|            |
                             DAY ON TEST   | 2| 0| 3| 6| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 2| 3| 3| 6| 3| 3| 3| 3|            |
                                           | 1| 3| 6| 7| 5| 5| 9| 7| 5| 7| 5| 5| 6| 7| 5| 7| 7| 9| 7| 7| 5| 5| 5| 6| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|      A     |
    .02                                    | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
                                           |                                                                          |            |
      Infiltration Cellular, Focal, Mixed  |                                                                          |            |
          Cell                             |                                                 2                        |      2  2.0|
                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       | +  +  M  M  +  M  +  +  +  M  +  +  M  M  +  M  M  +  +  M  M  +  +  M  M|  53        |
      Cyst                                 |                               2                                          |      1  2.0|
      Hyperplasia                          |             1                             1           1           1      |      8  1.0|
      Infiltration Cellular, Lymphocyte    |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Pineal Gland                            | A  M  M  A  M  M  A  +  M  +  M  M  M  +  +  M  M  +  M  +  M  M  M  M  +|  37        |
                                            __________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  92        |
      Pars Distalis, Cyst                  |                                                                          |      2  2.0|
      Pars Distalis, Hyperplasia, Focal    |             2        2           2  1  2     2  4     3     1     2  2  2|     50  2.2|
      Rathke's Cleft, Cyst                 |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Follicle, Cyst                       |                2        1     1  4     2           1  1                  |     21  1.7|
      Follicular Cell, Hyperplasia, Focal  |                1                                         1               |      5  1.4|
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Tissue NOS                              |                                                                          |   1        |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Clitoral Gland                          | +  M  +  +  +  +  M  +  +  +  +  M  +  +  +  +  +  M  +  +  +  +  +  +  +|  84        |
      Atrophy                              |                      3                 4  2  3  3                        |     19  3.3|
      Cyst                                 |          3           2  3           3     2  2  2     2                  |     26  2.3|
      Bilateral, Atrophy                   | 4     4  3  4           4  2        3                 3  3  3  3  4  3  3|     56  3.4|
      Bilateral, Cyst                      | 3     1     2  2           3  2        2                 3  3  3  2  2  2|     56  2.4|
      Bilateral, Inflammation              |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Ovary                                   | +  A  +  +  +  +  A  +  +  +  +  M  +  +  +  +  +  +  +  +  +  M  +  +  +|  91        |
      Angiectasis                          |                                                                          |      2  2.0|
      Atrophy                              |                                                                          |      1  2.0|
      Cyst                                 |       2                 4  2  3     4              4                    2|     23  2.6|
      Hemorrhage                           |                                                             4            |      1  4.0|
      Pigmentation                         |                                                                          |      1  3.0|
      Bilateral, Atrophy                   |                                                                          |      2  2.0|
                                            __________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  97        |
      Amyloid Deposition                   |                                                                          |      1  2.0|
      Angiectasis                          | 4                                                                        |      3  3.3|
      Hemorrhage                           |                                                                          |      1  2.0|
      Hydrometra                           | 3        2  3  3        4  4                             4              3|     18  3.2|
      Inflammation, Chronic                |                                                                          |      1  2.0|
      Thrombosis                           | 3                                                                        |      1  3.0|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  46                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 6| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 7|            |
                             DAY ON TEST   | 2| 0| 3| 6| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 2| 3| 3| 6| 3| 3| 3| 3|            |
                                           | 1| 3| 6| 7| 5| 5| 9| 7| 5| 7| 5| 5| 6| 7| 5| 7| 7| 9| 7| 7| 5| 5| 5| 6| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|      A     |
    .02                                    | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 GENITAL SYSTEM - cont                     |                                                                          |            |
                                           |                                                                          |            |
      Bilateral, Atrophy                   |                                                                          |      1  2.0|
      Bilateral, Hydrometra                |    4                             3  4     3        4           4  4      |     15  3.3|
      Bilateral, Endometrium, Hyperplasia, |                                                                          |            |
           Cystic                          |       3              2        2  2     2     3  2     2     3        2   |     44  2.2|
      Endometrium, Hyperplasia, Cystic     |             3           3  3                             2              2|     27  2.3|
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Angiectasis                          |                               2                                          |      1  2.0|
      Hyperplasia                          | 2                                            1                           |     13  1.6|
      Myelofibrosis                        |                2                                3        2     2        1|     18  1.4|
      Necrosis                             |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Lymph Node                              | +                          +                    +     +        +         |  15        |
      Ectasia                              |                                                                          |      2  3.0|
      Hemorrhage                           |                                                                          |      2  3.0|
      Infiltration Cellular, Histiocyte    |                                                                          |      1  2.0|
      Lumbar, Ectasia                      |                            3                                             |      1  3.0|
      Mediastinal, Infiltration Cellular,  |                                                                          |            |
           Mixed Cell                      |                                                                          |      1  2.0|
      Renal, Ectasia                       |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  A  +  +  +  +  M  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  94        |
      Atrophy                              |                2                                                         |      7  2.3|
      Hemorrhage                           |                                  1                                       |      2  1.0|
      Hyperplasia                          |                                  2           2  3                        |     10  1.8|
      Hyperplasia, Reticulum Cell          |                                                                          |      2  2.0|
      Infiltration Cellular, Plasma Cell   |                                                                          |      1  2.0|
      Infiltration Cellular, Mixed Cell    |                                                                2         |      1  2.0|
      Pigmentation                         |                                  2                                       |      9  1.8|
                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  M  +  A  +  M  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  88        |
      Angiectasis                          |                                                                          |      1  2.0|
      Atrophy                              |                                                             2            |     10  2.2|
      Hemorrhage                           |                                                                          |      2  1.5|
      Hyperplasia                          |                                                                          |      1  2.0|
      Hyperplasia, Reticulum Cell          |                                                                          |      7  2.4|
      Infiltration Cellular, Plasma Cell   |                                                                      3   |      4  2.3|
      Infiltration Cellular, Histiocyte    |       1     2        2  2  2  2  2  2  2  1     2                 2     2|     45  1.9|
      Infiltration Cellular, Mixed Cell    |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Spleen                                  | +  A  +  A  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  93        |
      Fibrosis, Focal                      |                                                                2         |      1  2.0|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  47                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 6| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 7|            |
                             DAY ON TEST   | 2| 0| 3| 6| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 2| 3| 3| 6| 3| 3| 3| 3|            |
                                           | 1| 3| 6| 7| 5| 5| 9| 7| 5| 7| 5| 5| 6| 7| 5| 7| 7| 9| 7| 7| 5| 5| 5| 6| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|      A     |
    .02                                    | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |
      Hematopoietic Cell Proliferation     |       3     2  1     3  3  3  3  3     4  3  2        2  1  4  3  3  3  3|     77  2.7|
      Infarct                              |                                                                          |      1  4.0|
      Infiltration Cellular, Mast Cell     |                                                                          |      1  3.0|
      Pigmentation                         |                                                    2                     |      6  1.8|
      Lymphoid Follicle, Atrophy           |                                                                          |      4  3.0|
      Lymphoid Follicle, Hyperplasia       |                      1     4           4  3  2           3        2  3  2|     31  2.5|
      Red Pulp, Atrophy                    |                                                                          |      3  3.3|
                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  92        |
      Angiectasis                          |                                                          2               |      2  2.5|
      Atrophy                              |    1     4     3     2                 3           4        4            |     20  2.6|
      Cyst, Focal                          |                                                                          |      2  1.5|
      Hyperplasia, Lymphoid                |                      3     3     1                                       |     19  1.9|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Hyperplasia                          |                1                                                         |      3  1.7|
      Infiltration Cellular, Lymphocyte    |                                                                          |      1  3.0|
      Artery, Inflammation                 |                                                                          |      1  3.0|
      Duct, Dilatation                     |                               2              2  1           1            |     15  1.8|
                                            __________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +| 100        |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +| 100        |
                                            __________________________________________________________________________|____________|
   Skeletal Muscle                         |                                              +                           |   3        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +| 100        |
      Hypothalamus, Compression            |                3                                                         |      2  3.0|
      Thalamus, Infiltration Cellular,     |                                                                          |            |
           Lymphocyte                      |                                                                          |      1  1.0|
      Thalamus, Mineralization             | 2     3  2  2        1  2  3     2  2  2  2  1  1  2  2  2     2  3  2  2|     68  1.9|
      Ventricle, Hydrocephalus             |                                                                          |      2  2.0|
                                            __________________________________________________________________________|____________|
   Peripheral Nerve                        |                                              +                           |   2        |
                                            __________________________________________________________________________|____________|
   Spinal Cord                             |                                              +                           |   2        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +| 100        |
      Infiltration Cellular, Lymphocyte    |       2     3           2  2     2     2     2  2  2     2        2      |     37  1.7|
      Inflammation, Focal                  |                                                                          |      1  1.0|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  48                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 6| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 7|            |
                             DAY ON TEST   | 2| 0| 3| 6| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 2| 3| 3| 6| 3| 3| 3| 3|            |
                                           | 1| 3| 6| 7| 5| 5| 9| 7| 5| 7| 5| 5| 6| 7| 5| 7| 7| 9| 7| 7| 5| 5| 5| 6| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|      A     |
    .02                                    | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |                                                                          |            |
      Metaplasia, Focal, Osseous           |                                                                          |      1  1.0|
      Alveolar Epithelium, Hyperplasia,    |                                                                          |            |
           Focal                           |                                                                          |      1  1.0|
      Alveolus, Infiltration Cellular,     |                                                                          |            |
           Histiocyte                      |                   3                                                  2   |      4  2.3|
                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +| 100        |
                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +| 100        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Eye                                     |                                     +                                    |   2        |
      Lens, Degeneration                   |                                     3                                    |      1  3.0|
                                            __________________________________________________________________________|____________|
   Harderian Gland                         | M  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  97        |
      Infiltration Cellular, Lymphocyte    |             2                 2                                          |     12  1.8|
      Bilateral, Infiltration Cellular,    |                                                                          |            |
           Lymphocyte                      |       1                                1                                 |     11  1.5|
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  96        |
      Hydronephrosis                       |                                                                          |      1  2.0|
      Infiltration Cellular, Lymphocyte    |                                                                          |      1  1.0|
      Bilateral, Cortex, Cyst, Multiple    |                                                                          |      1  3.0|
      Bilateral, Cortex, Infiltration      |                                                                          |            |
          Cellular, Lymphocyte             |                      2           2  1                                   3|      8  1.8|
      Bilateral, Cortex, Mineralization    |                                                                          |      1  1.0|
      Bilateral, Cortex, Renal Tubule,     |                                                                          |            |
           Degeneration                    |                                                 3     2        1         |     11  2.4|
      Bilateral, Cortex, Renal Tubule,     |                                                                          |            |
           Dilatation                      |                                                                          |      1  1.0|
      Bilateral, Glomerulus, Inflammation  |                                                       3                  |      1  3.0|
      Bilateral, Medulla, Infiltration     |                                                                          |            |
          Cellular, Lymphocyte             |             2                 1        3           2                 2   |     29  1.6|
      Cortex, Infiltration Cellular,       |                                                                          |            |
          Lymphocyte                       |                                                                          |      9  1.7|
      Cortex, Metaplasia, Focal, Osseous   |                2                          2                              |      3  2.3|
      Cortex, Renal Tubule, Degeneration   |                      2              1              2        2            |      7  1.7|
      Medulla, Infiltration Cellular,      |                                                                          |            |
          Lymphocyte                       |                                  1           2           1  1     2      |     24  1.5|
      Medulla, Mineralization              |                                                                          |      1  1.0|
      Pelvis, Calculus Micro Observation   |                                                                          |            |
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  49                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 6| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 7|            |
                             DAY ON TEST   | 2| 0| 3| 6| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 2| 3| 3| 6| 3| 3| 3| 3|            |
                                           | 1| 3| 6| 7| 5| 5| 9| 7| 5| 7| 5| 5| 6| 7| 5| 7| 7| 9| 7| 7| 5| 5| 5| 6| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|      A     |
    .02                                    | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 URINARY SYSTEM - cont                     |                                                                          |            |
                                           |                                                                          |            |
          Only                             |                                                                          |      2     |
                                            __________________________________________________________________________|____________|
   Urinary Bladder                         | A  A  +  M  +  +  A  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +|  87        |
      Infiltration Cellular, Lymphocyte    |                                                                          |      3  2.0|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  50                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 1| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3|             
                                           | 3| 6| 6| 5| 6| 1| 7| 6| 6| 6| 6| 6| 6| 6| 5| 7| 5| 6| 7| 8| 7| 7| 5| 5| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Epithelium, Cyst                     |                            2                                             |             
      Epithelium, Vacuolization Cytoplasmic|                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Serosa, Inflammation, Chronic Active |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Lymphoid Tissue, Hyperplasia         |    2  1        3     3  2  1     2  2        2     1                 2   |             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Peyer's Patch, Hyperplasia           |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Inflammation                         |                                                                          |             
      Muscularis, Hypertrophy              |                   2                                                      |             
      Peyer's Patch, Hyperplasia           |                                                                         1|             
      Serosa, Inflammation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Muscularis, Hypertrophy              |       1        2                       2     2  3  2                 2   |             
      Peyer's Patch, Hyperplasia           |                   1              2                                       |             
      Serosa, Inflammation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Basophilic Focus                     |    3                                                                     |             
      Basophilic Focus, Multiple           |       2                                                                  |             
      Clear Cell Focus                     |                                  1  1                                    |             
      Clear Cell Focus, Multiple           |                                                                          |             
      Developmental Malformation           |                                                                          |             
      Eosinophilic Focus                   |             X                                                            |             
      Hematopoietic Cell Proliferation     |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hepatodiaphragmatic Nodule           |                                                                X         |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             | 2        2        1        2     2  1  1              1           2  2   |             
      Mixed Cell Focus                     |                                                                          |             
      Necrosis                             |                         1                                   1            |             
      Hepatocyte, Vacuolization Cytoplasmic|                                                                   2  2   |             
                                            __________________________________________________________________________|             
   Mesentery                               |    +  +              +        +        +  +     +  +        +        +   |             
      Hemorrhage                           |                                                                          |             
      Fat, Inflammation                    |                                        2        2  2                     |             
      Fat, Necrosis                        |    3  3                       3        3  3                 3        2   |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Cytoplasmic Alteration               |                                                                          |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                               1     2                                   2|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  51                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 1| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3|             
                                           | 3| 6| 6| 5| 6| 1| 7| 6| 6| 6| 6| 6| 6| 6| 5| 7| 5| 6| 7| 8| 7| 7| 5| 5| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
      Inflammation                         |                                                                          |             
      Lipomatosis                          |       1                          1  2     1           1     2  1         |             
      Vacuolization Cytoplasmic            |                   2  1  1                    2                       2   |             
      Acinus, Cytoplasmic Alteration       |                                                                          |             
      Acinus, Hypertrophy, Focal           |                                  1                                       |             
      Duct, Cyst                           |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |    2     2           1  1  2  2  2  2  2  2  2  3  2  2  1  1  2  2  3  1|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Inflammation                         | 2                                                                        |             
      Ulcer, Focal                         |                                                                          |             
      Epithelium, Atrophy                  |                                           1                 2            |             
      Epithelium, Hyperplasia              |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                      2   |             
      Inflammation                         |                                                       2                  |             
      Epithelium, Atrophy                  | 2              1        1        2  1     2  2  1           2            |             
      Epithelium, Cyst, Focal              |          1        1     1                          1        1            |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +|             
      Aorta, Adventitia, Inflammation,     |                                                                          |             
           Chronic Active                  |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Epicardium, Inflammation, Chronic    |                                                                          |             
          Active                           |                                                                          |             
      Myocardium, Mineralization           |                                                                          |             
      Myocardium, Necrosis, Focal          |                                                       2                  |             
      Valve, Thrombosis                    |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Bilateral, Capsule, Hyperplasia      |    2  2  2  2     3  2  2  3  2  2     2  1  2     2  2  3        3  2  2|             
      Bilateral, Zona Fasciculata,         |                                                                          |             
          Hypertrophy, Focal               |                                                                          |             
      Bilateral, Zona Glomerulosa,         |                                                                          |             
          Hyperplasia, Focal               |                                                                          |             
      Bilateral, Zona Reticularis,         |                                                                          |             
          Degeneration, Fatty              |                                                                          |             
      Capsule, Hyperplasia                 | 2                                               2           2  4         |             
      Zona Fasciculata, Hyperplasia, Focal |                                                                          |             
      Zona Fasciculata, Hypertrophy, Focal |                                                                          |             
      Zona Reticularis, Degeneration, Fatty|                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  52                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 1| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3|             
                                           | 3| 6| 6| 5| 6| 1| 7| 6| 6| 6| 6| 6| 6| 6| 5| 7| 5| 6| 7| 8| 7| 7| 5| 5| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                                          |             
      Bilateral, Amyloid Deposition        |                                                                          |             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Hyperplasia                          | 1  1     2  1        1              2  2  1  1        1        1     1   |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                                                          |             
      Inflammation, Chronic Active         |                                                                          |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | M  M  +  M  +  +  +  M  +  +  M  +  +  +  M  M  M  M  M  +  M  M  +  +  M|             
      Cyst                                 |                                                                          |             
      Hyperplasia                          |       1                    1                                             |             
      Infiltration Cellular, Lymphocyte    |                                                                      2   |             
      Inflammation, Focal                  |                                                                          |             
                                            __________________________________________________________________________|             
   Pineal Gland                            | +  +  +  +  +  M  +  +  +  +  +  +  +  +  M  +  I  M  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  I  +  +  +|             
      Pars Distalis, Cyst                  |                                                                          |             
      Pars Distalis, Hyperplasia, Focal    |             2           1     2  1                 2                 2   |             
      Pars Distalis, Hypertrophy, Focal    | 3                                                                        |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |             2                                                     1      |             
      Inflammation, Focal                  |                                     1              2                     |             
      Follicle, Cyst                       | 1                    2                          2           1  3     2   |             
      Follicular Cell, Hyperplasia, Focal  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Peritoneum                              |                                                                          |             
                                            __________________________________________________________________________|             
   Tissue NOS                              |                                                                          |             
      Inflammation, Chronic Active         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Clitoral Gland                          | M  +  +  +  +  M  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |          2  3                          3                                 |             
      Cyst                                 |          2                                                               |             
      Inflammation                         |                                                                          |             
      Bilateral, Atrophy                   |    3  4           4     2  3     3  3     3  3  4  4  2  4  3  3  3  4  3|             
      Bilateral, Cyst                      |    2  2     2     2     3  2     2  2  2  2  2  2  2  2  3  2  3  2  3  3|             
                                            __________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |                                                                          |             
      Cyst                                 |             1     4  4     1           3  1  1  3           4  2         |             
      Inflammation, Chronic Active         |                                                                          |             
      Thrombosis                           |                                                                          |             
      Bilateral, Atrophy                   |                                                                          |             
      Bilateral, Cyst                      |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  53                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 1| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3|             
                                           | 3| 6| 6| 5| 6| 1| 7| 6| 6| 6| 6| 6| 6| 6| 5| 7| 5| 6| 7| 8| 7| 7| 5| 5| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Oviduct                                 | +                                                                        |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Hydrometra                           |       3                 3                       4        3               |             
      Bilateral, Hydrometra                |                   4           3  4        3  3                           |             
      Bilateral, Endometrium, Hyperplasia, |                                                                          |             
           Cystic                          |    3     3           2     3  1     2  3              2     3  3  3     2|             
      Cervix, Angiectasis                  |                                                                          |             
      Endometrium, Hyperplasia, Cystic     |       3     3           2        2              2  2                 3   |             
                                            __________________________________________________________________________|             
   Vagina                                  | M                                                                        |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Atrophy                              |                                                                          |             
      Hyperplasia                          | 2           2                                                            |             
      Infiltration Cellular, Focal,        |                                                                          |             
          Lymphocyte                       |                                                                          |             
      Myelofibrosis                        |          1                 2        2  3     2              1        1   |             
                                            __________________________________________________________________________|             
   Lymph Node                              |    +                                                                     |             
      Ectasia                              |    3                                                                     |             
      Hemorrhage                           |                                                                          |             
      Infiltration Cellular, Mast Cell     |                                                                          |             
      Lumbar, Ectasia                      |                                                                          |             
      Lumbar, Hemorrhage                   |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  I  +  +  +  +  +  +  A  +  +  M  +  +|             
      Atrophy                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia                          |                                                                      3   |             
      Hyperplasia, Reticulum Cell          |                                                                          |             
      Infiltration Cellular, Plasma Cell   |          2                                                               |             
      Infiltration Cellular, Histiocyte    |                                                                          |             
      Infiltration Cellular, Mixed Cell    |                                                 2                        |             
      Pigmentation                         |                      1  2        1     1                                 |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Atrophy                              |          1              2  2     2  3              2  2           2     3|             
      Ectasia                              |                                                                   3      |             
      Hemorrhage                           |                         1                                   1            |             
      Hyperplasia                          |                2                                                         |             
      Hyperplasia, Reticulum Cell          |                      2                 2  2  1                 2     1   |             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Histiocyte    |    1  2  1        2     1     2           1        2  2     2        1  2|             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Inflammation, Focal                  |                                                                          |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             

                                                             Page  54                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 1| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3|             
                                           | 3| 6| 6| 5| 6| 1| 7| 6| 6| 6| 6| 6| 6| 6| 5| 7| 5| 6| 7| 8| 7| 7| 5| 5| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Hematopoietic Cell Proliferation     | 3  3  1  2  2     2  1  2  2  3  2  4  3  1  2  2  2        3  3  3  2  2|             
      Infiltration Cellular, Plasma Cell   | 2                                                                        |             
      Pigmentation                         |       2                                   1                              |             
      Lymphoid Follicle, Atrophy           |                                                                          |             
      Lymphoid Follicle, Hyperplasia       |    2  2  2     3        1     2              3     3              3  3  2|             
      Lymphoid Follicle, Necrosis          |                                                                          |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  +  +  +  M  +  +  +  +  +  +  +  +  M  +  +  +  +  A  +  M  M  M  +|             
      Angiectasis                          |                                                 2                        |             
      Atrophy                              | 4                                   3                                    |             
      Cyst, Focal                          |                                                                          |             
      Hyperplasia, Lymphoid                |                                                    2  1                  |             
      Thymocyte, Necrosis                  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          | 2                                                                        |             
      Infiltration Cellular, Lymphocyte    |                                                 1                        |             
      Duct, Dilatation                     | 2              1  1                                                      |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         | +                                                                        |             
      Degeneration                         | 3                                                                        |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cerebellum, Developmental            |                                                                          |             
          Malformation, Focal              | 2                                                                        |             
      Hypothalamus, Compression            |                                                                          |             
      Thalamus, Mineralization             |                   2  2  2  1     2  2  2  2  2  2        2           2  1|             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |                                                                          |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                                                                          |             
      Hemorrhage                           |                3                                                         |             
      Infiltration Cellular, Lymphocyte    |                            2  3  1        2  1  2                 1     2|             
      Inflammation, Focal                  |          1                                                               |             
      Metaplasia, Focal, Osseous           |                                                          2               |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           |                                           2                              |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  55                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 1| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3|             
                                           | 3| 6| 6| 5| 6| 1| 7| 6| 6| 6| 6| 6| 6| 6| 5| 7| 5| 6| 7| 8| 7| 7| 5| 5| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM - cont                 |                                                                          |             
                                           |                                                                          |             
      Alveolus, Infiltration Cellular,     |                                                                          |             
           Histiocyte                      |                               3                                          |             
      Serosa, Inflammation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                                                                          |             
      Cornea, Inflammation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                 2                    2   |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |    1                       2     1        1              2               |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infarct, Acute                       |                                                                          |             
      Artery, Inflammation                 |                                                                          |             
      Bilateral, Cortex, Infiltration      |                                                                          |             
          Cellular, Lymphocyte             |                                                                          |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Accumulation, Hyaline Droplet   | 3                                                                        |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Degeneration                    |                                                                          |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Dilatation                      |                                                                          |             
      Bilateral, Medulla, Infiltration     |                                                                          |             
          Cellular, Lymphocyte             |    2  1                 1        1     1                          2  2  2|             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Plasma Cell                      | 2                                                                        |             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |                   2                       1                              |             
      Cortex, Metaplasia, Focal, Osseous   |    2                                                                     |             
      Cortex, Renal Tubule, Degeneration   |                                           2                              |             
      Medulla, Infiltration Cellular,      |                                                                          |             
          Lymphocyte                       |                      2              1     1  1     2        1            |             
      Medulla, Inflammation                |                                                                          |             
      Pelvis, Calculus Micro Observation   |                                                                          |             
          Only                             |                                                                          |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Artery, Inflammation                 |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  56                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 5| 6| 7| 7| 6| 6| 7| 7| 7| 7| 6| 5| 7| 0| 7| 7| 7| 7| 7| 7| 6| 7|             
                             DAY ON TEST   | 3| 3| 3| 7| 0| 3| 3| 3| 7| 3| 3| 3| 3| 9| 7| 3| 5| 3| 3| 3| 3| 3| 3| 9| 3|             
                                           | 7| 6| 7| 8| 6| 7| 5| 8| 0| 5| 7| 7| 7| 4| 8| 5| 4| 6| 6| 5| 6| 5| 7| 2| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  +  +  M  A  +  +  A  A  +  +  +  +  +  +  +  A  +  +  +  +  +  +  A  +|             
      Epithelium, Cyst                     |                                                                          |             
      Epithelium, Vacuolization Cytoplasmic|                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  A  +  +  A  A  +  +  +  +  +  +  +  A  +  +  +  +  +  +  A  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  A  +  +  A  A  +  +  +  +  +  +  +  A  +  +  +  +  +  +  A  +|             
      Serosa, Inflammation, Chronic Active |                   2                                                      |             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  A  +  +  A  A  +  +  +  +  +  +  +  A  +  +  +  +  +  +  A  +|             
      Lymphoid Tissue, Hyperplasia         |       1  2     1                 2  2     2        1           1        1|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  A  +  +  A  A  +  +  +  +  +  +  +  A  +  +  +  +  +  +  A  +|             
      Peyer's Patch, Hyperplasia           |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  A  +  +  A  A  +  +  +  +  +  A  +  A  +  +  +  +  +  +  A  +|             
      Inflammation                         |                                                                2         |             
      Muscularis, Hypertrophy              |                                                                2         |             
      Peyer's Patch, Hyperplasia           |    2                                                        1            |             
      Serosa, Inflammation                 |                   2                                                      |             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  A  +  +  A  A  +  +  +  +  +  +  +  A  +  +  +  +  +  +  A  +|             
      Muscularis, Hypertrophy              |                               3                    1                     |             
      Peyer's Patch, Hyperplasia           |                                           2                    1         |             
      Serosa, Inflammation                 |                   2                                                      |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Basophilic Focus                     |                4                                                         |             
      Basophilic Focus, Multiple           |                                                                          |             
      Clear Cell Focus                     |             3                 1                                          |             
      Clear Cell Focus, Multiple           |                                                                          |             
      Developmental Malformation           |                                                                          |             
      Eosinophilic Focus                   |    2                                         2     2                     |             
      Hematopoietic Cell Proliferation     |       2                                                                  |             
      Hemorrhage                           |                                                                          |             
      Hepatodiaphragmatic Nodule           |                                                                          |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             | 1  2              2              2        1        1  1     3     2     2|             
      Mixed Cell Focus                     |                                                                          |             
      Necrosis                             |                      2                                               3   |             
      Hepatocyte, Vacuolization Cytoplasmic|    2     3        2  3  3                    2              1            |             
                                            __________________________________________________________________________|             
   Mesentery                               |                   +        +     +           +     +  +     +           +|             
      Hemorrhage                           |                                                                         3|             
      Fat, Inflammation                    |                                                    2        3            |             
      Fat, Necrosis                        |                            1     2           3     3  2                  |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Cytoplasmic Alteration               |                                                                          |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                  2                                       |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  57                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 5| 6| 7| 7| 6| 6| 7| 7| 7| 7| 6| 5| 7| 0| 7| 7| 7| 7| 7| 7| 6| 7|             
                             DAY ON TEST   | 3| 3| 3| 7| 0| 3| 3| 3| 7| 3| 3| 3| 3| 9| 7| 3| 5| 3| 3| 3| 3| 3| 3| 9| 3|             
                                           | 7| 6| 7| 8| 6| 7| 5| 8| 0| 5| 7| 7| 7| 4| 8| 5| 4| 6| 6| 5| 6| 5| 7| 2| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
      Inflammation                         |                   3                                                      |             
      Lipomatosis                          | 3           3              1              1        2                 4  2|             
      Vacuolization Cytoplasmic            |       1                             2        2           1               |             
      Acinus, Cytoplasmic Alteration       |          2                                1  2                           |             
      Acinus, Hypertrophy, Focal           |          2                                                               |             
      Duct, Cyst                           | 3                                                                        |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    | 2  2  2  2  2  2  2     2  2  1  1     2  1           2  2  2  2        2|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  A  +  +  A  A  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Inflammation                         |                                        2                                 |             
      Ulcer, Focal                         |          2                                                               |             
      Epithelium, Atrophy                  |                                              2           2               |             
      Epithelium, Hyperplasia              |                                        2                                1|             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  A  +  +  A  A  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Inflammation                         |                                                                          |             
      Epithelium, Atrophy                  |          2                                2  3     1     1               |             
      Epithelium, Cyst, Focal              | 1                                   2              2                     |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  M  +  +  +  +  M  M  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +|             
      Aorta, Adventitia, Inflammation,     |                                                                          |             
           Chronic Active                  |                   2                                                      |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Epicardium, Inflammation, Chronic    |                                                                          |             
          Active                           |                   2                                                      |             
      Myocardium, Mineralization           |                                                                      2   |             
      Myocardium, Necrosis, Focal          |                                                                          |             
      Valve, Thrombosis                    |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                    3                     |             
      Bilateral, Capsule, Hyperplasia      | 2  2  2  2  2  2     2  3  2  2  2     2  2  2     3  2  2  2  2  2  2  2|             
      Bilateral, Zona Fasciculata,         |                                                                          |             
          Hypertrophy, Focal               |                                                                          |             
      Bilateral, Zona Glomerulosa,         |                                                                          |             
          Hyperplasia, Focal               |                                              2                           |             
      Bilateral, Zona Reticularis,         |                                                                          |             
          Degeneration, Fatty              |                                                                          |             
      Capsule, Hyperplasia                 |                   2                 2                                    |             
      Zona Fasciculata, Hyperplasia, Focal |                                                                          |             
      Zona Fasciculata, Hypertrophy, Focal | 2                                                                        |             
      Zona Reticularis, Degeneration, Fatty| 2                       2           2                                    |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  58                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 5| 6| 7| 7| 6| 6| 7| 7| 7| 7| 6| 5| 7| 0| 7| 7| 7| 7| 7| 7| 6| 7|             
                             DAY ON TEST   | 3| 3| 3| 7| 0| 3| 3| 3| 7| 3| 3| 3| 3| 9| 7| 3| 5| 3| 3| 3| 3| 3| 3| 9| 3|             
                                           | 7| 6| 7| 8| 6| 7| 5| 8| 0| 5| 7| 7| 7| 4| 8| 5| 4| 6| 6| 5| 6| 5| 7| 2| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  I  +|             
      Hyperplasia                          |                                              2                           |             
      Bilateral, Amyloid Deposition        |                                                                          |             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |          2           1                    2  1                           |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                                                          |             
      Inflammation, Chronic Active         |                   3                                                      |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  +  M  M  +  M  M  +  +  M  +  +  +  +  M  +  M  M  +  +  +  M  I|             
      Cyst                                 |                                                                          |             
      Hyperplasia                          |       1  1                                                  2            |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Inflammation, Focal                  |                                                                          |             
                                            __________________________________________________________________________|             
   Pineal Gland                            | M  M  +  +  M  M  +  M  M  M  M  M  M  +  +  +  M  M  +  M  +  +  +  M  M|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  A  +  +  A  I  +  I  +  +  +  +  +  M  +  +  +  +  +  +  +  +|             
      Pars Distalis, Cyst                  |                   1                                                     1|             
      Pars Distalis, Hyperplasia, Focal    | 3     2           3                    2     2        3        3  1  2  1|             
      Pars Distalis, Hypertrophy, Focal    |    3                                                                     |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Inflammation, Focal                  |                                                       2                  |             
      Follicle, Cyst                       |                   1        1        1              1        1     1  1   |             
      Follicular Cell, Hyperplasia, Focal  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Peritoneum                              |                                                                          |             
                                            __________________________________________________________________________|             
   Tissue NOS                              |                   +                                                      |             
      Inflammation, Chronic Active         |                   3                                                      |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Clitoral Gland                          | +  +  M  +  +  +  +  +  I  +  +  +  +  M  M  +  M  +  +  +  +  +  +  M  +|             
      Atrophy                              |          4        4                          4                 4  4     3|             
      Cyst                                 |          2        3                          3                          2|             
      Inflammation                         |                                                                   3      |             
      Bilateral, Atrophy                   | 3  3        3  4     4     3  4  3                    3  4  4            |             
      Bilateral, Cyst                      | 3  3        2  3     3     2  2  2  1              1  3  2  2  2  2      |             
                                            __________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |                                                          2               |             
      Cyst                                 |    3           2  3        2  1  2                    4              2  2|             
      Inflammation, Chronic Active         |                   3                                               3      |             
      Thrombosis                           |                                                                          |             
      Bilateral, Atrophy                   |                                                                          |             
      Bilateral, Cyst                      |                                                             2            |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  59                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 5| 6| 7| 7| 6| 6| 7| 7| 7| 7| 6| 5| 7| 0| 7| 7| 7| 7| 7| 7| 6| 7|             
                             DAY ON TEST   | 3| 3| 3| 7| 0| 3| 3| 3| 7| 3| 3| 3| 3| 9| 7| 3| 5| 3| 3| 3| 3| 3| 3| 9| 3|             
                                           | 7| 6| 7| 8| 6| 7| 5| 8| 0| 5| 7| 7| 7| 4| 8| 5| 4| 6| 6| 5| 6| 5| 7| 2| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Oviduct                                 |                                                                          |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                   3      |             
      Hydrometra                           |       3     3                                      3                     |             
      Bilateral, Hydrometra                |    3           4  4              4           2        4        3     2   |             
      Bilateral, Endometrium, Hyperplasia, |                                                                          |             
           Cystic                          | 3                          2        2  1                          1     3|             
      Cervix, Angiectasis                  |                                        4                                 |             
      Endometrium, Hyperplasia, Cystic     |       2  2  2                 4                          2               |             
                                            __________________________________________________________________________|             
   Vagina                                  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                                                   1      |             
      Hyperplasia                          |    2              1                 1  2           1  1  2           1   |             
      Infiltration Cellular, Focal,        |                                                                          |             
          Lymphocyte                       |                                                                          |             
      Myelofibrosis                        |                               1  2                             1  1      |             
                                            __________________________________________________________________________|             
   Lymph Node                              |                                                                          |             
      Ectasia                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Infiltration Cellular, Mast Cell     |                                                                          |             
      Lumbar, Ectasia                      |                                                                          |             
      Lumbar, Hemorrhage                   |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  I  +  +  A  +  +  +  A  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                                                      3   |             
      Hemorrhage                           |                                                                      2   |             
      Hyperplasia                          | 2                          3  3                    3                     |             
      Hyperplasia, Reticulum Cell          |                                                                          |             
      Infiltration Cellular, Plasma Cell   |          2                                                               |             
      Infiltration Cellular, Histiocyte    |                                                                      2   |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Pigmentation                         |                   2                 1                 2           2      |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  A  +  M  +  A  +  +  M  +  +  +  +  A  M  +  +  +  +  +  +  +|             
      Atrophy                              | 3                                                        3  2            |             
      Ectasia                              |                                              2                           |             
      Hemorrhage                           |                                                          2           3   |             
      Hyperplasia                          |                                              2                           |             
      Hyperplasia, Reticulum Cell          |       1                    2        2                 2                  |             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Histiocyte    | 2  2  2        1              2     2  2  1  2        1  2  2     2     2|             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Inflammation, Focal                  |                                                                          |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             

                                                             Page  60                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 5| 6| 7| 7| 6| 6| 7| 7| 7| 7| 6| 5| 7| 0| 7| 7| 7| 7| 7| 7| 6| 7|             
                             DAY ON TEST   | 3| 3| 3| 7| 0| 3| 3| 3| 7| 3| 3| 3| 3| 9| 7| 3| 5| 3| 3| 3| 3| 3| 3| 9| 3|             
                                           | 7| 6| 7| 8| 6| 7| 5| 8| 0| 5| 7| 7| 7| 4| 8| 5| 4| 6| 6| 5| 6| 5| 7| 2| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Hematopoietic Cell Proliferation     |    3  3  4  4  3  3  4     2  3  2  2     4  1     3  1  4  3  2  3  4  3|             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Pigmentation                         |                                                                          |             
      Lymphoid Follicle, Atrophy           |       3     2                             2                          4   |             
      Lymphoid Follicle, Hyperplasia       | 2                          2     2  2                 3                  |             
      Lymphoid Follicle, Necrosis          |                                                                          |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  +  +  A  +  +  +  A  +  +  +  +  M  +  +  +  M  +  M  M  +  +  M  +|             
      Angiectasis                          |                                     3                                    |             
      Atrophy                              |          4        4  4                    4                             1|             
      Cyst, Focal                          |          2                                                               |             
      Hyperplasia, Lymphoid                |                            2  2  2                                       |             
      Thymocyte, Necrosis                  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                     1                                    |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Duct, Dilatation                     | 1     1           1                                   2                  |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage                           |                                                 2                        |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |                                        +                                 |             
      Degeneration                         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Cerebellum, Developmental            |                                                                          |             
          Malformation, Focal              |                                                                          |             
      Hypothalamus, Compression            |                                                                          |             
      Thalamus, Mineralization             | 2     2                    1        1  1  2  2     2     2  1        2  2|             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |                                        +                                 |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                                        +                                 |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Congestion                           |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                  1                    1  2        2      |             
      Inflammation, Focal                  |                                                                          |             
      Metaplasia, Focal, Osseous           |                                                                          |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  61                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 5| 6| 7| 7| 6| 6| 7| 7| 7| 7| 6| 5| 7| 0| 7| 7| 7| 7| 7| 7| 6| 7|             
                             DAY ON TEST   | 3| 3| 3| 7| 0| 3| 3| 3| 7| 3| 3| 3| 3| 9| 7| 3| 5| 3| 3| 3| 3| 3| 3| 9| 3|             
                                           | 7| 6| 7| 8| 6| 7| 5| 8| 0| 5| 7| 7| 7| 4| 8| 5| 4| 6| 6| 5| 6| 5| 7| 2| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM - cont                 |                                                                          |             
                                           |                                                                          |             
      Alveolus, Infiltration Cellular,     |                                                                          |             
           Histiocyte                      |                                                                          |             
      Serosa, Inflammation                 |                   3                                                      |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                                                                          |             
      Cornea, Inflammation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |    2                    1              2  2              2     2         |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |                2              2                                   2      |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Infarct, Acute                       |                                                                          |             
      Artery, Inflammation                 |                                                                          |             
      Bilateral, Cortex, Infiltration      |                                                                          |             
          Cellular, Lymphocyte             |                                              2                          1|             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Accumulation, Hyaline Droplet   |                                                                          |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Degeneration                    |                2                    2     3                              |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Dilatation                      |          2                                                               |             
      Bilateral, Medulla, Infiltration     |                                                                          |             
          Cellular, Lymphocyte             |       2  1     1  1  1     2     2  1  1     1        2     2     2      |             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Plasma Cell                      |                                                                          |             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |                               2                    1     2     1         |             
      Cortex, Metaplasia, Focal, Osseous   |       2                                                                  |             
      Cortex, Renal Tubule, Degeneration   |    1                                                                     |             
      Medulla, Infiltration Cellular,      |                                                                          |             
          Lymphocyte                       |    1                    2                                               1|             
      Medulla, Inflammation                |                                                                          |             
      Pelvis, Calculus Micro Observation   |                                                                          |             
          Only                             |                                                                          |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Artery, Inflammation                 |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  62                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 6| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 2| 5| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 4| 3| 5|             
                                           | 6| 6| 7| 1| 9| 5| 6| 4| 7| 6| 5| 6| 6| 7| 7| 5| 6| 6| 5| 6| 2| 5| 5| 6| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  +  +  A  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Epithelium, Cyst                     |                                                                          |             
      Epithelium, Vacuolization Cytoplasmic|                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Serosa, Inflammation, Chronic Active |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoid Tissue, Hyperplasia         | 1  2           2  2     1     2  3           2                           |             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Peyer's Patch, Hyperplasia           |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation                         |                                                                          |             
      Muscularis, Hypertrophy              |                                                    3                     |             
      Peyer's Patch, Hyperplasia           |                                                                          |             
      Serosa, Inflammation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Muscularis, Hypertrophy              | 2                                            2              3        1   |             
      Peyer's Patch, Hyperplasia           |                                                                          |             
      Serosa, Inflammation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Basophilic Focus                     |                                                                          |             
      Basophilic Focus, Multiple           |                                                                          |             
      Clear Cell Focus                     |                         2                                   1            |             
      Clear Cell Focus, Multiple           |                                                                          |             
      Developmental Malformation           |       X                                                                  |             
      Eosinophilic Focus                   |                1           2                                             |             
      Hematopoietic Cell Proliferation     |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hepatodiaphragmatic Nodule           |                                                                          |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             | 2     1  1     1        1  2     1           1     2     3        2  1   |             
      Mixed Cell Focus                     |                   2                                                      |             
      Necrosis                             |                                                                          |             
      Hepatocyte, Vacuolization Cytoplasmic|                      2                 2                                 |             
                                            __________________________________________________________________________|             
   Mesentery                               | +  +                       +     +                 +                    +|             
      Hemorrhage                           |                                                                          |             
      Fat, Inflammation                    |                                                                          |             
      Fat, Necrosis                        | 3  3                       3     3                 2                     |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cytoplasmic Alteration               |                                                                          |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                                       1                  |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  63                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 6| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 2| 5| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 4| 3| 5|             
                                           | 6| 6| 7| 1| 9| 5| 6| 4| 7| 6| 5| 6| 6| 7| 7| 5| 6| 6| 5| 6| 2| 5| 5| 6| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
      Inflammation                         |                                                                          |             
      Lipomatosis                          |    1     2                             1                    2  2         |             
      Vacuolization Cytoplasmic            |                                     2                    2     2     1   |             
      Acinus, Cytoplasmic Alteration       |                                                                          |             
      Acinus, Hypertrophy, Focal           |                                                                          |             
      Duct, Cyst                           | 4                    4                                                   |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    | 1  1  2  1  2  2  2  1     2     2  1  2  2  1     2  2  2  2  2  3     1|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation                         |                                                                          |             
      Ulcer, Focal                         |                                                                          |             
      Epithelium, Atrophy                  |                                                                          |             
      Epithelium, Hyperplasia              | 1                                         2                              |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                2         |             
      Inflammation                         |                                                                          |             
      Epithelium, Atrophy                  |             2  2  2                                                      |             
      Epithelium, Cyst, Focal              |                   1     2     2              1              1            |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Aorta, Adventitia, Inflammation,     |                                                                          |             
           Chronic Active                  |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Epicardium, Inflammation, Chronic    |                                                                          |             
          Active                           |                                                                          |             
      Myocardium, Mineralization           |                                                                          |             
      Myocardium, Necrosis, Focal          |                                                                          |             
      Valve, Thrombosis                    |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Bilateral, Capsule, Hyperplasia      | 2  2  2  2     2  1  2  2        2  2     2  2  2  2  3  2  2  2  1  2  2|             
      Bilateral, Zona Fasciculata,         |                                                                          |             
          Hypertrophy, Focal               |                                                          1               |             
      Bilateral, Zona Glomerulosa,         |                                                                          |             
          Hyperplasia, Focal               |                                                                          |             
      Bilateral, Zona Reticularis,         |                                                                          |             
          Degeneration, Fatty              |                   3  2           2                                       |             
      Capsule, Hyperplasia                 |             1              2  2        2                                 |             
      Zona Fasciculata, Hyperplasia, Focal |    2                                                                     |             
      Zona Fasciculata, Hypertrophy, Focal |          2                                                               |             
      Zona Reticularis, Degeneration, Fatty|                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  64                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 6| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 2| 5| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 4| 3| 5|             
                                           | 6| 6| 7| 1| 9| 5| 6| 4| 7| 6| 5| 6| 6| 7| 7| 5| 6| 6| 5| 6| 2| 5| 5| 6| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +|             
      Hyperplasia                          |                                                    1                     |             
      Bilateral, Amyloid Deposition        |                                                                          |             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M|             
      Hyperplasia                          | 1  1     1  1  1                 1        2  2  1     1  2  2     2  1   |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                                 1                        |             
      Inflammation, Chronic Active         |                                                                          |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  I  +  +  +  M  +  M  +  +  M  M  +  M  M  +  +  +  +  M  +  +  M  M  +|             
      Cyst                                 |                                                                          |             
      Hyperplasia                          |                                                    1        1            |             
      Infiltration Cellular, Lymphocyte    |                   2                                                      |             
      Inflammation, Focal                  |                                              3                           |             
                                            __________________________________________________________________________|             
   Pineal Gland                            | +  +  +  M  M  +  M  M  +  M  +  +  M  M  +  M  +  +  +  +  +  +  +  +  M|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Pars Distalis, Cyst                  |    2                                                                     |             
      Pars Distalis, Hyperplasia, Focal    |    3  1  2                    1                    2  2  2  2  2         |             
      Pars Distalis, Hypertrophy, Focal    |                            3                                             |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                          2               |             
      Inflammation, Focal                  |                                                                          |             
      Follicle, Cyst                       |             2              1           1  1                    1         |             
      Follicular Cell, Hyperplasia, Focal  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Peritoneum                              |                                                                          |             
                                            __________________________________________________________________________|             
   Tissue NOS                              |          +                                                               |             
      Inflammation, Chronic Active         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Clitoral Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  M|             
      Atrophy                              |    2  2                 4        4                                       |             
      Cyst                                 |    3  2           2     1                       2                        |             
      Inflammation                         |                                                                          |             
      Bilateral, Atrophy                   | 3        4  4  4     4     3  3     4  4  4  3     4  4        3     3   |             
      Bilateral, Cyst                      | 3        3  1  2     3     3  3  2  3  2  3  3     3     2     3     3   |             
                                            __________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          | 3                                                                        |             
      Atrophy                              |                                                                          |             
      Cyst                                 |       2  3     2        3        4                                       |             
      Inflammation, Chronic Active         |                                                                          |             
      Thrombosis                           |    4                                                                     |             
      Bilateral, Atrophy                   |          3  2                                                            |             
      Bilateral, Cyst                      |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  65                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 6| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 2| 5| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 4| 3| 5|             
                                           | 6| 6| 7| 1| 9| 5| 6| 4| 7| 6| 5| 6| 6| 7| 7| 5| 6| 6| 5| 6| 2| 5| 5| 6| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Oviduct                                 |                                                                          |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                               3                                          |             
      Hydrometra                           | 3           3                                               3  3         |             
      Bilateral, Hydrometra                |                   3  2           4                                      3|             
      Bilateral, Endometrium, Hyperplasia, |                                                                          |             
           Cystic                          |    3  3  1     2        3  1  3     2  3  3           3  2        1  2   |             
      Cervix, Angiectasis                  |                                                                          |             
      Endometrium, Hyperplasia, Cystic     | 3                                            3     4           3         |             
                                            __________________________________________________________________________|             
   Vagina                                  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                                                          |             
      Hyperplasia                          |                                                                         2|             
      Infiltration Cellular, Focal,        |                                                                          |             
          Lymphocyte                       |                                                                          |             
      Myelofibrosis                        |                                        1        2                        |             
                                            __________________________________________________________________________|             
   Lymph Node                              |                                        +                                 |             
      Ectasia                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Infiltration Cellular, Mast Cell     |                                                                          |             
      Lumbar, Ectasia                      |                                        3                                 |             
      Lumbar, Hemorrhage                   |                                        2                                 |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                              3                          2|             
      Hemorrhage                           |                                                                          |             
      Hyperplasia                          |                         2     3     3                                2   |             
      Hyperplasia, Reticulum Cell          |                                        2                                 |             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Histiocyte    |                                                                          |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Pigmentation                         |                   2  1           1                                       |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | M  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |             3  3           2  1  3           3  2                       3|             
      Ectasia                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia                          |                                                                          |             
      Hyperplasia, Reticulum Cell          |                                                                   2  3   |             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Histiocyte    |    2  2        2  1  2     2        2     2  2  3        2  2            |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Inflammation, Focal                  |                                                                          |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  M  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             

                                                             Page  66                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 6| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 2| 5| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 4| 3| 5|             
                                           | 6| 6| 7| 1| 9| 5| 6| 4| 7| 6| 5| 6| 6| 7| 7| 5| 6| 6| 5| 6| 2| 5| 5| 6| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Hematopoietic Cell Proliferation     | 3  3  3        1  2     2  2  3  3  2  2  3  3  3  2  2  3  3  2  3  3  4|             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Pigmentation                         |             3              2                                      2      |             
      Lymphoid Follicle, Atrophy           |                                                                         2|             
      Lymphoid Follicle, Hyperplasia       |       2        2  2        3  2              2     2     3  3        3   |             
      Lymphoid Follicle, Necrosis          |                                                             2            |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  +  +  M  +  +  +  +  +  +  I  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |    2     4     3  3  4                       1     3                 1  4|             
      Cyst, Focal                          |       2                                                                  |             
      Hyperplasia, Lymphoid                | 2                                               2              2  3      |             
      Thymocyte, Necrosis                  |                                                             4            |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +|             
      Hyperplasia                          |                                                 3  1                     |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Duct, Dilatation                     |          2                                1     2  2                    3|             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |                                                                   +      |             
      Degeneration                         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cerebellum, Developmental            |                                                                          |             
          Malformation, Focal              |                                                                          |             
      Hypothalamus, Compression            |                                                 3                        |             
      Thalamus, Mineralization             |    2     2  2     2     2     2           1     2  3        2  2        1|             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |                                                                   +      |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                                                                   +      |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Infiltration Cellular, Lymphocyte    | 1  2           1           1        2     2  2           3     2  1     2|             
      Inflammation, Focal                  |                                                                          |             
      Metaplasia, Focal, Osseous           |                                                                          |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           |                                                 2                        |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  67                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 6| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 2| 5| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 4| 3| 5|             
                                           | 6| 6| 7| 1| 9| 5| 6| 4| 7| 6| 5| 6| 6| 7| 7| 5| 6| 6| 5| 6| 2| 5| 5| 6| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
    2 GAUSS                                | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM - cont                 |                                                                          |             
                                           |                                                                          |             
      Alveolus, Infiltration Cellular,     |                                                                          |             
           Histiocyte                      |                                                                          |             
      Serosa, Inflammation                 |                                              2                           |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                                                                          |             
      Cornea, Inflammation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                2              2           2                       2      |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |       1           1        1     1              2                    2   |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infarct, Acute                       |                                                                          |             
      Artery, Inflammation                 |                                                             2            |             
      Bilateral, Cortex, Infiltration      |                                                                          |             
          Cellular, Lymphocyte             |                   1                       1                              |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Accumulation, Hyaline Droplet   |                                                                          |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Degeneration                    |                   1                                                      |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Dilatation                      |                                                                          |             
      Bilateral, Medulla, Infiltration     |                                                                          |             
          Cellular, Lymphocyte             |       2        2        1     1  3  1  2              1           1      |             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Plasma Cell                      |                                                                          |             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |                            2        1                                   1|             
      Cortex, Metaplasia, Focal, Osseous   |                                                                          |             
      Cortex, Renal Tubule, Degeneration   |                                                 1                        |             
      Medulla, Infiltration Cellular,      |                                                                          |             
          Lymphocyte                       | 1  1                                      2  2     2                     |             
      Medulla, Inflammation                |                                                                          |             
      Pelvis, Calculus Micro Observation   |                                                                          |             
          Only                             |                                                                          |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                        3        2  2                     |             
      Artery, Inflammation                 |                3                                                         |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  68                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 5| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7|            |
                             DAY ON TEST   | 3| 3| 8| 4| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3|            |
                                           | 5| 5| 1| 5| 7| 6| 1| 5| 7| 7| 5| 6| 7| 5| 6| 5| 7| 6| 5| 7| 5| 7| 5| 6| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8|      A     |
    2 GAUSS                                | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
                                            __________________________________________________________________________|____________|
   Gallbladder                             | +  +  A  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  87        |
      Epithelium, Cyst                     |                                        1                                 |      2  1.5|
      Epithelium, Vacuolization Cytoplasmic|          2                                                               |      1  2.0|
                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  A  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  90        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  A  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  90        |
      Serosa, Inflammation, Chronic Active |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  A  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  90        |
      Lymphoid Tissue, Hyperplasia         |             3        1                 2           2        2  1        2|     35  1.8|
                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  A  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  90        |
      Peyer's Patch, Hyperplasia           |                                           2                              |      1  2.0|
                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  A  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  89        |
      Inflammation                         |                                                                          |      1  2.0|
      Muscularis, Hypertrophy              |                                                                2        2|      5  2.2|
      Peyer's Patch, Hyperplasia           |                            2           2                                 |      5  1.6|
      Serosa, Inflammation                 |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  A  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  90        |
      Muscularis, Hypertrophy              |    1                       2           2     3        2  2              2|     20  2.0|
      Peyer's Patch, Hyperplasia           |                                                                          |      4  1.5|
      Serosa, Inflammation                 |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Basophilic Focus                     |                         3                                   3            |      4  3.3|
      Basophilic Focus, Multiple           |                                                                          |      1  2.0|
      Clear Cell Focus                     |                                           2                              |      7  1.6|
      Clear Cell Focus, Multiple           |                                                          2               |      1  2.0|
      Developmental Malformation           |                                     X                                    |      2     |
      Eosinophilic Focus                   | 3                          3                 2        X                  |     10  2.1|
      Hematopoietic Cell Proliferation     |                                                                          |      1  2.0|
      Hemorrhage                           |                                                          2               |      1  2.0|
      Hepatodiaphragmatic Nodule           |                                                                          |      1     |
      Infiltration Cellular, Focal, Mixed  |                                                                          |            |
          Cell                             | 3  1        1  2     2  2  1  1     2        1     2  2     2  2     1  2|     48  1.6|
      Mixed Cell Focus                     |                                                 2                        |      2  2.0|
      Necrosis                             |                                                                          |      4  1.8|
      Hepatocyte, Vacuolization Cytoplasmic|                2                                      2     2            |     14  2.1|
                                            __________________________________________________________________________|____________|
   Mesentery                               | +  +                          +     +     +                             +|  30        |
      Hemorrhage                           |                                                                          |      1  3.0|
      Fat, Inflammation                    |                                                                          |      5  2.2|
      Fat, Necrosis                        | 3  3                          4     3     3                             4|     23  2.8|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  69                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 5| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7|            |
                             DAY ON TEST   | 3| 3| 8| 4| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3|            |
                                           | 5| 5| 1| 5| 7| 6| 1| 5| 7| 7| 5| 6| 7| 5| 6| 5| 7| 6| 5| 7| 5| 7| 5| 6| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8|      A     |
    2 GAUSS                                | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  96        |
      Cytoplasmic Alteration               |                                                 3                        |      1  3.0|
      Infiltration Cellular, Focal, Mixed  |                                                                          |            |
          Cell                             |                      2                                               2   |      7  1.7|
      Infiltration Cellular, Lymphocyte    |                   2                                                      |      1  2.0|
      Inflammation                         |                                                                          |      1  3.0|
      Lipomatosis                          |                                  1        3                 2        2   |     23  1.8|
      Vacuolization Cytoplasmic            | 2           2        2                       1                 1         |     18  1.6|
      Acinus, Cytoplasmic Alteration       |                                                          2               |      4  1.8|
      Acinus, Hypertrophy, Focal           |                                                                          |      2  1.5|
      Duct, Cyst                           |                                                                          |      3  3.7|
                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  97        |
      Infiltration Cellular, Lymphocyte    | 3  2     2     1  1  2  2  2  2  1        2  2  2  2  2  2  1           2|     77  1.8|
                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  93        |
      Inflammation                         |                                        3                                 |      3  2.3|
      Ulcer, Focal                         |                                                                          |      1  2.0|
      Epithelium, Atrophy                  |          3                                                               |      5  2.0|
      Epithelium, Hyperplasia              |                                                                          |      4  1.5|
                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  93        |
      Infiltration Cellular, Lymphocyte    |                            2                                             |      3  2.0|
      Inflammation                         |                                                                          |      1  2.0|
      Epithelium, Atrophy                  |          3                       2                                   2   |     20  1.8|
      Epithelium, Cyst, Focal              |                                        1     2  1     1                  |     17  1.3|
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Blood Vessel                            | +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  94        |
      Aorta, Adventitia, Inflammation,     |                                                                          |            |
           Chronic Active                  |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +| 100        |
      Epicardium, Inflammation, Chronic    |                                                                          |            |
          Active                           |                                                                          |      1  2.0|
      Myocardium, Mineralization           |                                                                          |      1  2.0|
      Myocardium, Necrosis, Focal          |                                                                          |      1  2.0|
      Valve, Thrombosis                    |                                                                   3      |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Infiltration Cellular, Lymphocyte    |                                                                          |      1  3.0|
      Bilateral, Capsule, Hyperplasia      | 3  1     3  2  2  3  2  2     2  2  2  2  2  2  3  2  2  2  2  2  2  2  3|     85  2.1|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  70                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 5| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7|            |
                             DAY ON TEST   | 3| 3| 8| 4| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3|            |
                                           | 5| 5| 1| 5| 7| 6| 1| 5| 7| 7| 5| 6| 7| 5| 6| 5| 7| 6| 5| 7| 5| 7| 5| 6| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8|      A     |
    2 GAUSS                                | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
                                           |                                                                          |            |
      Bilateral, Zona Fasciculata,         |                                                                          |            |
          Hypertrophy, Focal               |                                                                          |      1  1.0|
      Bilateral, Zona Glomerulosa,         |                                                                          |            |
          Hyperplasia, Focal               |                                                                          |      1  2.0|
      Bilateral, Zona Reticularis,         |                                                                          |            |
          Degeneration, Fatty              |                                                    2                     |      4  2.3|
      Capsule, Hyperplasia                 |       2                    2                                             |     12  2.1|
      Zona Fasciculata, Hyperplasia, Focal |                                                                          |      1  2.0|
      Zona Fasciculata, Hypertrophy, Focal |                                                                          |      2  2.0|
      Zona Reticularis, Degeneration, Fatty|                                                                          |      3  2.0|
                                            __________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  97        |
      Hyperplasia                          |                                                                          |      2  1.5|
      Bilateral, Amyloid Deposition        |                                                                   2      |      1  2.0|
                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  94        |
      Hyperplasia                          |    2     2     1     1  2  1  1              1  1  1        1  1         |     42  1.3|
      Infiltration Cellular, Focal, Mixed  |                                                                          |            |
          Cell                             |                                                                          |      1  1.0|
      Inflammation, Chronic Active         |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       | M  +  A  +  +  +  +  +  M  +  M  M  M  +  M  M  +  M  M  M  +  M  +  M  M|  53        |
      Cyst                                 |                                        2                                 |      1  2.0|
      Hyperplasia                          |                                                                          |      7  1.1|
      Infiltration Cellular, Lymphocyte    |                                                                          |      2  2.0|
      Inflammation, Focal                  |                            2                                             |      2  2.5|
                                            __________________________________________________________________________|____________|
   Pineal Gland                            | +  +  +  +  +  +  I  +  M  M  +  I  +  +  +  +  +  +  +  +  +  +  M  +  +|  67        |
                                            __________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  M  +  +  +  I  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  I  +  +|  87        |
      Pars Distalis, Cyst                  |                                                                          |      3  1.3|
      Pars Distalis, Hyperplasia, Focal    |          1           2           2        4     3     3  2  1            |     33  2.0|
      Pars Distalis, Hypertrophy, Focal    |                                                                          |      3  3.0|
                                            __________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Infiltration Cellular, Lymphocyte    |                                                                          |      3  1.7|
      Inflammation, Focal                  |                                                                          |      3  1.7|
      Follicle, Cyst                       |          1  1                                   1  1     1     1     1   |     25  1.2|
      Follicular Cell, Hyperplasia, Focal  |                                                    2                     |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Peritoneum                              |          +                                                               |   1        |
                                            __________________________________________________________________________|____________|
   Tissue NOS                              |          +                                                               |   3        |
      Inflammation, Chronic Active         |                                                                          |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  71                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 5| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7|            |
                             DAY ON TEST   | 3| 3| 8| 4| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3|            |
                                           | 5| 5| 1| 5| 7| 6| 1| 5| 7| 7| 5| 6| 7| 5| 6| 5| 7| 6| 5| 7| 5| 7| 5| 6| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8|      A     |
    2 GAUSS                                | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 GENITAL SYSTEM - cont                     |                                                                          |            |
                                           |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Clitoral Gland                          | +  +  M  M  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +|  85        |
      Atrophy                              |    3                 4                                      4            |     16  3.4|
      Cyst                                 |    2                 2           3        2                 3            |     15  2.3|
      Inflammation                         |                                                                          |      1  3.0|
      Bilateral, Atrophy                   | 4           4  2           3  3  4  4  4  3  4  4  3  3        4  4  4  4|     61  3.5|
      Bilateral, Cyst                      | 3           2  3           3  3     3  3     3  4  3  2        3  2  3  3|     66  2.5|
                                            __________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  95        |
      Angiectasis                          |                         3                                2               |      3  2.7|
      Atrophy                              |                                                                          |      1  2.0|
      Cyst                                 |                         2     3  2              2                        |     28  2.4|
      Inflammation, Chronic Active         |                                                                          |      2  3.0|
      Thrombosis                           |                                                                          |      1  4.0|
      Bilateral, Atrophy                   |                                                                          |      2  2.5|
      Bilateral, Cyst                      |                                                                         2|      2  2.0|
                                            __________________________________________________________________________|____________|
   Oviduct                                 |                                                                          |   1        |
                                            __________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Angiectasis                          |                                                                          |      2  3.0|
      Hydrometra                           |    3                       2  3        3                                3|     16  3.0|
      Bilateral, Hydrometra                |       4           2     3           3     4        3              2      |     24  3.2|
      Bilateral, Endometrium, Hyperplasia, |                                                                          |            |
           Cystic                          | 3           1  2     3                          3     3  2  3  1         |     41  2.3|
      Cervix, Angiectasis                  |                                                                          |      1  4.0|
      Endometrium, Hyperplasia, Cystic     |    2     3              1  2  3  1     3     2                       3  2|     26  2.5|
                                            __________________________________________________________________________|____________|
   Vagina                                  |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  97        |
      Atrophy                              |                                                                          |      1  1.0|
      Hyperplasia                          |          2                                         2                     |     13  1.6|
      Infiltration Cellular, Focal,        |                                                                          |            |
          Lymphocyte                       |                                     2                                    |      1  2.0|
      Myelofibrosis                        | 1                       1     1                             2            |     17  1.5|
                                            __________________________________________________________________________|____________|
   Lymph Node                              |                                     +  +                                 |   4        |
      Ectasia                              |                                     3                                    |      2  3.0|
      Hemorrhage                           |                                     3                                    |      1  3.0|
      Infiltration Cellular, Mast Cell     |                                        3                                 |      1  3.0|
      Lumbar, Ectasia                      |                                                                          |      1  3.0|
      Lumbar, Hemorrhage                   |                                                                          |      1  2.0|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  72                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 5| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7|            |
                             DAY ON TEST   | 3| 3| 8| 4| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3|            |
                                           | 5| 5| 1| 5| 7| 6| 1| 5| 7| 7| 5| 6| 7| 5| 6| 5| 7| 6| 5| 7| 5| 7| 5| 6| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8|      A     |
    2 GAUSS                                | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  M  +  +  +  I  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +|  89        |
      Atrophy                              |                                                                   3      |      4  2.8|
      Hemorrhage                           |                                                                          |      1  2.0|
      Hyperplasia                          |    1        1                                      2                     |     12  2.3|
      Hyperplasia, Reticulum Cell          |                                                                          |      1  2.0|
      Infiltration Cellular, Plasma Cell   |                                                                          |      2  2.0|
      Infiltration Cellular, Histiocyte    |                                                                          |      1  2.0|
      Infiltration Cellular, Mixed Cell    |                                                 2                        |      2  2.0|
      Pigmentation                         | 2        2                    1     2     2                          1  1|     18  1.5|
                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  89        |
      Atrophy                              | 2                    3              2        2                           |     24  2.3|
      Ectasia                              |                               3                                2         |      4  2.5|
      Hemorrhage                           |                                                                          |      4  1.8|
      Hyperplasia                          |                               2                                3         |      4  2.3|
      Hyperplasia, Reticulum Cell          |                         2                                                |     13  1.8|
      Infiltration Cellular, Plasma Cell   |                            3                                   3         |      2  3.0|
      Infiltration Cellular, Histiocyte    | 3  2     1     1                    2     2  2        2     2            |     47  1.8|
      Infiltration Cellular, Mixed Cell    |                                        2                                2|      2  2.0|
      Inflammation, Focal                  |                                                          2               |      1  2.0|
                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  95        |
      Hematopoietic Cell Proliferation     | 3  3     4  3  3     2  3  2  2  2  3  3  2  3  3  3  3  3  3  3     3  2|     87  2.6|
      Infiltration Cellular, Plasma Cell   |                                                                          |      1  2.0|
      Pigmentation                         |                               1              1                       2   |      8  1.8|
      Lymphoid Follicle, Atrophy           |          2        2                                                      |      7  2.4|
      Lymphoid Follicle, Hyperplasia       | 2           3  3                          4           2  3               |     32  2.4|
      Lymphoid Follicle, Necrosis          |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M|  84        |
      Angiectasis                          |                                                             2            |      3  2.3|
      Atrophy                              |          3  2     4  2        1        2           4              4      |     24  3.0|
      Cyst, Focal                          |                                              1                           |      3  1.7|
      Hyperplasia, Lymphoid                | 2  1           3     1  2  2  2     3        1        2  2               |     20  2.0|
      Thymocyte, Necrosis                  |                                                                          |      1  4.0|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Hyperplasia                          |                                                    3                     |      5  2.0|
      Infiltration Cellular, Lymphocyte    |                                                                          |      1  1.0|
      Duct, Dilatation                     |          1                 3                       2              1      |     16  1.6|
                                            __________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +| 100        |
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  73                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 5| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7|            |
                             DAY ON TEST   | 3| 3| 8| 4| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3|            |
                                           | 5| 5| 1| 5| 7| 6| 1| 5| 7| 7| 5| 6| 7| 5| 6| 5| 7| 6| 5| 7| 5| 7| 5| 6| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8|      A     |
    2 GAUSS                                | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 INTEGUMENTARY SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |
      Hemorrhage                           |                                                                          |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone                                    | +  I  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
                                            __________________________________________________________________________|____________|
   Skeletal Muscle                         |                                                                          |   3        |
      Degeneration                         |                                                                          |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Cerebellum, Developmental            |                                                                          |            |
          Malformation, Focal              |                                                                          |      1  2.0|
      Hypothalamus, Compression            |             3              2                                             |      3  2.7|
      Thalamus, Mineralization             | 1  2        2  2  1     2     2  2        2     2  3  2  2  1  3  2  2  2|     55  1.9|
                                            __________________________________________________________________________|____________|
   Peripheral Nerve                        |                                                                          |   2        |
                                            __________________________________________________________________________|____________|
   Spinal Cord                             |                                                                          |   2        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Congestion                           |                   2                                                      |      1  2.0|
      Hemorrhage                           |                                                                          |      1  3.0|
      Infiltration Cellular, Lymphocyte    | 2  3        2  2           2     2                    2        1     2  1|     33  1.8|
      Inflammation, Focal                  |                                                                          |      1  1.0|
      Metaplasia, Focal, Osseous           |                                                                          |      1  2.0|
      Alveolar Epithelium, Hyperplasia,    |                                                                          |            |
           Focal                           |                                                                          |      2  2.0|
      Alveolus, Infiltration Cellular,     |                                                                          |            |
           Histiocyte                      |                                                                          |      1  3.0|
      Serosa, Inflammation                 |                                                                          |      2  2.5|
                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Eye                                     |                                           +                              |   1        |
      Cornea, Inflammation                 |                                           2                              |      1  2.0|
                                            __________________________________________________________________________|____________|
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Infiltration Cellular, Lymphocyte    |             2              2                          2  2  2        2   |     18  1.9|
      Bilateral, Infiltration Cellular,    |                                                                          |            |
           Lymphocyte                      | 1  2           1                    1                                    |     18  1.4|
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  74                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 5| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7|            |
                             DAY ON TEST   | 3| 3| 8| 4| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3|            |
                                           | 5| 5| 1| 5| 7| 6| 1| 5| 7| 7| 5| 6| 7| 5| 6| 5| 7| 6| 5| 7| 5| 7| 5| 6| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8|      A     |
    2 GAUSS                                | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 URINARY SYSTEM - cont                     |                                                                          |            |
                                           |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Kidney                                  | +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Infarct, Acute                       |                                                                   2      |      1  2.0|
      Artery, Inflammation                 |                                                                          |      1  2.0|
      Bilateral, Cortex, Infiltration      |                                                                          |            |
          Cellular, Lymphocyte             | 2  2           2                                                         |      7  1.6|
      Bilateral, Cortex, Renal Tubule,     |                                                                          |            |
           Accumulation, Hyaline Droplet   |                                                                   3      |      2  3.0|
      Bilateral, Cortex, Renal Tubule,     |                                                                          |            |
           Degeneration                    |             1        3                             2                     |      7  2.0|
      Bilateral, Cortex, Renal Tubule,     |                                                                          |            |
           Dilatation                      |                                                                          |      1  2.0|
      Bilateral, Medulla, Infiltration     |                                                                          |            |
          Cellular, Lymphocyte             |    2                       2     1           2     2        1  2     1   |     38  1.5|
      Cortex, Infiltration Cellular,       |                                                                          |            |
          Plasma Cell                      |                                                                          |      1  2.0|
      Cortex, Infiltration Cellular,       |                                                                          |            |
          Lymphocyte                       |                               1           1     2     1  1               |     14  1.4|
      Cortex, Metaplasia, Focal, Osseous   |                         2                                                |      3  2.0|
      Cortex, Renal Tubule, Degeneration   |                                           2                              |      4  1.5|
      Medulla, Infiltration Cellular,      |                                                                          |            |
          Lymphocyte                       |             1                             2           1  2               |     18  1.4|
      Medulla, Inflammation                |                   1                                                      |      1  1.0|
      Pelvis, Calculus Micro Observation   |                                                                          |            |
          Only                             | X                                                           X            |      2     |
                                            __________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  A  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|  94        |
      Infiltration Cellular, Lymphocyte    |                      3                                                   |      4  2.5|
      Artery, Inflammation                 |                                                                          |      1  3.0|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  75                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 0| 7| 7| 5| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 4| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 1| 8| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 9| 3|             
                                           | 6| 6| 6| 3| 5| 5| 7| 7| 6| 6| 7| 1| 7| 6| 6| 7| 6| 7| 6| 7| 7| 6| 6| 7| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  A  +  +  +  A  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Epithelium, Cyst                     |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Lymphoid Tissue, Hyperplasia         |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Lymphoid Tissue, Hyperplasia         |    2           2     3  2        2  1        2  1        2              1|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Peyer's Patch, Hyperplasia           |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Muscularis, Hypertrophy              |                                                                          |             
      Serosa, Inflammation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Muscularis, Hypertrophy              |    3                 2                    3                 2     3      |             
      Peyer's Patch, Hyperplasia           |                                        1                                 |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Basophilic Focus                     |                            3                                             |             
      Clear Cell Focus                     |                                                    1     1               |             
      Clear Cell Focus, Multiple           |                                                                          |             
      Eosinophilic Focus                   |          3                             3                                 |             
      Eosinophilic Focus, Multiple         |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Infiltration Cellular, Focal,        |                                                                          |             
          Lymphocyte                       |                                                                          |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             | 2  2  1              2  2                 1     2  2     1     1         |             
      Mixed Cell Focus                     |                                                                   3      |             
      Bile Duct, Cyst                      |                               2                                          |             
      Hepatocyte, Vacuolization Cytoplasmic|                                  3  1           2  1              2  1   |             
                                            __________________________________________________________________________|             
   Mesentery                               |             +                                +                       +  +|             
      Hemorrhage                           |                                                                          |             
      Fat, Inflammation                    |             3                                                            |             
      Fat, Necrosis                        |                                              3                       3   |             
                                            __________________________________________________________________________|             
   Oral Mucosa                             |                                                                          |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                     2                             3      |             
      Infiltration Cellular, Lymphocyte    |             3     2                                1                     |             
      Lipomatosis                          |    2     1  2     3        2                          2        2         |             
      Vacuolization Cytoplasmic            |    2                                   1     1  2           1        3   |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  76                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 0| 7| 7| 5| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 4| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 1| 8| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 9| 3|             
                                           | 6| 6| 6| 3| 5| 5| 7| 7| 6| 6| 7| 1| 7| 6| 6| 7| 6| 7| 6| 7| 7| 6| 6| 7| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
      Acinus, Cytoplasmic Alteration       |                                                                          |             
      Artery, Inflammation                 |                                                                          |             
      Duct, Cyst                           |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              | 2                                                                        |             
      Infiltration Cellular, Lymphocyte    | 2  2  2  2  2     2  2  2     1  2  2  2  2  1     1     2     1  2  2  2|             
      Pigmentation                         | 1                                                                        |             
      Duct, Cytoplasmic Alteration         |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation                         |                                                                   2      |             
      Epithelium, Atrophy                  |          1                                                               |             
      Epithelium, Cyst                     |                                                                          |             
      Epithelium, Hyperplasia              |                   1  1                       1              1            |             
      Muscularis, Mineralization, Focal    |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Inflammation                         |                                                                          |             
      Epithelium, Atrophy                  |          2                                                     2         |             
      Epithelium, Cyst, Focal              |                                     1  2                       1        2|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Artery, Inflammation                 |                                                                          |             
      Atrium, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |                                                                          |             
      Atrium, Thrombosis                   |                                                             3            |             
      Myocardium, Degeneration             |                                                                          |             
      Myocardium, Inflammation             |                                                                          |             
      Valve, Thrombosis                    |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Degeneration, Fatty                  |                                                             4            |             
      Bilateral, Capsule, Hyperplasia      | 3  3  3  2  2     3  3  3  2  2  3  2  2  3  3  3  2  2  3     2  2  2  2|             
      Capsule, Hyperplasia                 |                1                                            3            |             
      Zona Fasciculata, Hypertrophy, Focal |                                        1                                 |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |          1           2  2     2     1  2  1        1  1  1  1  2     2   |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                                                          |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | M  M  M  M  M  M  +  M  I  +  +  +  +  M  +  +  M  M  +  +  +  M  +  M  M|             
      Degeneration                         |                                                                          |             
      Hyperplasia                          |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  77                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 0| 7| 7| 5| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 4| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 1| 8| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 9| 3|             
                                           | 6| 6| 6| 3| 5| 5| 7| 7| 6| 6| 7| 1| 7| 6| 6| 7| 6| 7| 6| 7| 7| 6| 6| 7| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
                                            __________________________________________________________________________|             
   Pineal Gland                            | +  M  M  I  +  +  +  +  M  +  +  +  M  M  M  M  I  M  M  M  +  +  +  +  M|             
      Inflammation                         |             2                                                            |             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  I  M  I  +  +  +  +  +  +  +  +  I  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage                           |                                                                          |             
      Pars Distalis, Cyst                  |                                                                          |             
      Pars Distalis, Hyperplasia, Diffuse  |                                                                          |             
      Pars Distalis, Hyperplasia, Focal    |                      3  3  3                             3           2   |             
      Pars Distalis, Hypertrophy, Focal    |                                                                          |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Focal                  |                            1                                             |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |                                                                          |             
      Follicle, Cyst                       |             1     3        2                             2        1      |             
      Follicular Cell, Hyperplasia, Focal  |                                                             1            |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Clitoral Gland                          | I  +  +  M  +  M  +  +  +  +  +  +  +  +  +  I  +  M  +  +  +  +  +  I  M|             
      Atrophy                              |       3                       4                 3     2        4         |             
      Cyst                                 |                               2  2                    2        2         |             
      Arteriole, Inflammation              |                                                                          |             
      Bilateral, Atrophy                   |    4        3     3  3  4  4        3  3  2              3        4      |             
      Bilateral, Cyst                      |    3  2     2     2  2     2        2  2  1     2                 2      |             
                                            __________________________________________________________________________|             
   Ovary                                   | M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                                             2            |             
      Cyst                                 |    4     4  2     2  4     1                       3              1     3|             
      Hemorrhage                           |          4                                                               |             
      Infiltration Cellular, Mixed Cell    |                                                    3                     |             
      Mineralization                       |                                                                          |             
      Bilateral, Amyloid Deposition        |                                                                          |             
      Bilateral, Atrophy                   |             3                                                            |             
      Bilateral, Cyst                      |                               3                                          |             
      Germinal Epithelium, Hyperplasia     |                                              2                           |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hydrometra                           | 3        3              3  2     2           3                           |             
      Bilateral, Hydrometra                |             3     3                             3  4                    3|             
      Bilateral, Endometrium, Hyperplasia, |                                                                          |             
           Cystic                          |    3  3              2        2     3  2  2           2  1  2  1         |             
      Endometrium, Angiectasis             |                                                                          |             
      Endometrium, Hyperplasia, Cystic     | 2        2              2                    2                    2      |             
                                            __________________________________________________________________________|             
   Vagina                                  |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  78                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 0| 7| 7| 5| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 4| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 1| 8| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 9| 3|             
                                           | 6| 6| 6| 3| 5| 5| 7| 7| 6| 6| 7| 1| 7| 6| 6| 7| 6| 7| 6| 7| 7| 6| 6| 7| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                      1  1                       2              2        1|             
      Myelofibrosis                        |             3                                            3               |             
                                            __________________________________________________________________________|             
   Lymph Node                              |                      +                                                   |             
      Ectasia                              |                      3                                                   |             
      Hemorrhage                           |                                                                          |             
      Lumbar, Ectasia                      |                                                                          |             
      Lumbar, Hemorrhage                   |                                                                          |             
      Mediastinal, Hemorrhage              |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              | 2                                                        2  3     1      |             
      Hemorrhage                           |    2                                                        3            |             
      Hyperplasia                          |                   2                                                      |             
      Hyperplasia, Reticulum Cell          |                                                                          |             
      Infiltration Cellular, Plasma Cell   |                      2                                                   |             
      Infiltration Cellular, Histiocyte    |                                                                          |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Pigmentation                         | 1           2                          1        2                 2      |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |    3                                                                    2|             
      Ectasia                              | 2                                                     3                  |             
      Hemorrhage                           |                                                       2     3            |             
      Hyperplasia, Reticulum Cell          |                                                                          |             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Histiocyte    |    2  2  2  2           1  1     1  2  2     2  2  2     2  2  2         |             
      Infiltration Cellular, Mixed Cell    | 2                                         2                              |             
      Artery, Inflammation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hematopoietic Cell Proliferation     | 3  2  3  4  3  2  2     2  3  2        3  2  2  3  3  2  1  3  2  3  2   |             
      Pigmentation                         |                                        2  2           1                  |             
      Lymphoid Follicle, Atrophy           |                                                                          |             
      Lymphoid Follicle, Hyperplasia       | 3  3              4  4     3  2           1        1           3  2      |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  M  M  +  +  +  +  +  +  +  +  +  +  M  I  M  +  +  +  +  M  I  M  +  +|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |             2           3        4              3     3  2               |             
      Cyst, Focal                          |             2     1                                                      |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia, Lymphoid                | 2        2        2           3                    2                     |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                             3            |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  79                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 0| 7| 7| 5| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 4| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 1| 8| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 9| 3|             
                                           | 6| 6| 6| 3| 5| 5| 7| 7| 6| 6| 7| 1| 7| 6| 6| 7| 6| 7| 6| 7| 7| 6| 6| 7| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Duct, Dilatation                     |    1                                                     1  2  2         |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |          +  +                                                            |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Choroid Plexus, Infiltration         |                                                                          |             
          Cellular, Lymphocyte             |                                                                          |             
      Hypothalamus, Compression            |                                                                          |             
      Hypothalamus, Hemorrhage             |                                                                          |             
      Thalamus, Mineralization             |       2     2     1  1  2  1  2  1     2  2     1        2  2  2        1|             
      Ventricle, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |                                                                      1   |             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |          M  +                                                            |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |          +  +                                                            |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |    4        2           1  1  2        1     2     2                     |             
      Inflammation, Focal                  |                                                                          |             
      Alveolus, Infiltration Cellular,     |                                                                          |             
           Histiocyte                      |                               3                                          |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                                                                          |             
      Lens, Mineralization                 |                                                                          |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |    1     1                                         2                     |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |                                     2                                    |             
                                            __________________________________________________________________________|             
   Lacrimal Gland                          |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hydronephrosis                       |                                                                          |             
      Bilateral, Artery, Inflammation      |                                                                          |             
      Bilateral, Cortex, Infiltration      |                                                                          |             
          Cellular, Lymphocyte             | 2                                                                        |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  80                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 0| 7| 7| 5| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 4| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 1| 8| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 9| 3|             
                                           | 6| 6| 6| 3| 5| 5| 7| 7| 6| 6| 7| 1| 7| 6| 6| 7| 6| 7| 6| 7| 7| 6| 6| 7| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
           Degeneration                    | 2                                                     2                  |             
      Bilateral, Medulla, Infiltration     |                                                                          |             
          Cellular, Lymphocyte             |             1     2  2     2        1  2     1           1           1   |             
      Bilateral, Medulla, Mineralization   |                                                                          |             
      Cortex, Cyst                         |                                                             1            |             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |                                                    2              2      |             
      Cortex, Infiltration Cellular, Mixed |                                                                          |             
          Cell                             |                                                                          |             
      Cortex, Metaplasia, Focal, Osseous   |                                              3     2                     |             
      Cortex, Renal Tubule, Degeneration   |                                                                          |             
      Cortex, Renal Tubule, Dilatation     |                                                                          |             
      Medulla, Cyst                        |                                                                          |             
      Medulla, Infiltration Cellular,      |                                                                          |             
          Lymphocyte                       | 2  2  2                 2     1           2                    1         |             
      Medulla, Mineralization              |                                                                          |             
      Pelvis, Calculus Micro Observation   |                                                                          |             
          Only                             |       X                                                                  |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  M  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    | 2                 3                                                      |             
      Arteriole, Inflammation              |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  81                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 7| 7| 6| 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6|             
                             DAY ON TEST   | 6| 0| 3| 3| 3| 3| 3| 8| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 8| 3| 9|             
                                           | 6| 3| 7| 5| 5| 6| 5| 7| 6| 3| 7| 6| 7| 6| 6| 5| 5| 7| 7| 5| 9| 6| 2| 6| 0|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | A  M  +  +  +  +  +  A  +  A  +  +  +  +  +  +  +  +  +  +  A  +  A  M  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Infiltration Cellular, Mixed Cell    |                         2                                                |             
      Epithelium, Cyst                     |                2  1                                                      |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | A  +  +  +  +  +  +  A  +  A  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | A  +  +  +  +  +  +  A  +  A  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +|             
      Lymphoid Tissue, Hyperplasia         |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | A  +  +  +  +  +  +  A  +  A  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +|             
      Lymphoid Tissue, Hyperplasia         |    1              2     2           2  2                                 |             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | A  +  +  +  +  +  +  A  +  A  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +|             
      Peyer's Patch, Hyperplasia           |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  A  +  A|             
      Muscularis, Hypertrophy              |                      2     2                                             |             
      Serosa, Inflammation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | A  +  +  +  +  +  +  A  +  A  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +|             
      Muscularis, Hypertrophy              |                   2                             2                       2|             
      Peyer's Patch, Hyperplasia           |                         2                                      2         |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Angiectasis                          |                                                                          |             
      Basophilic Focus                     |                                                                          |             
      Clear Cell Focus                     |                               2                                          |             
      Clear Cell Focus, Multiple           |                                                                          |             
      Eosinophilic Focus                   |                      2                 1        2                        |             
      Eosinophilic Focus, Multiple         |                                        3  3                              |             
      Hemorrhage                           |                                                       2                  |             
      Infiltration Cellular, Focal,        |                                                                          |             
          Lymphocyte                       |                                           2                              |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             | 3     2  1     2  1  3        1  1  1  2        2  1                 1   |             
      Mixed Cell Focus                     |                                                                          |             
      Bile Duct, Cyst                      |                                                                          |             
      Hepatocyte, Vacuolization Cytoplasmic|    3        2                                            2               |             
                                            __________________________________________________________________________|             
   Mesentery                               |    +        +  +  +     +                 +  +  +  +        +  +         |             
      Hemorrhage                           |                   2                                                      |             
      Fat, Inflammation                    |                                           2     3                        |             
      Fat, Necrosis                        |    3        3  2        3                    3              3  3         |             
                                            __________________________________________________________________________|             
   Oral Mucosa                             |                                                                          |             
                                            __________________________________________________________________________|             
   Pancreas                                | A  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |             2                          2                                 |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Lipomatosis                          |             1     3                 2        1                 4         |             
      Vacuolization Cytoplasmic            |          1              1     1                                      2   |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  82                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 7| 7| 6| 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6|             
                             DAY ON TEST   | 6| 0| 3| 3| 3| 3| 3| 8| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 8| 3| 9|             
                                           | 6| 3| 7| 5| 5| 6| 5| 7| 6| 3| 7| 6| 7| 6| 6| 5| 5| 7| 7| 5| 9| 6| 2| 6| 0|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
      Acinus, Cytoplasmic Alteration       |                      2                 2                                 |             
      Artery, Inflammation                 |                                                                          |             
      Duct, Cyst                           |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Atrophy                              |                                                                          |             
      Infiltration Cellular, Lymphocyte    | 2     2  1  2        2  2  2  1  1  1  1  2     1     2  2  2            |             
      Pigmentation                         |                                                                          |             
      Duct, Cytoplasmic Alteration         |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +|             
      Inflammation                         |                                                                          |             
      Epithelium, Atrophy                  |             2           2                          2  1              1   |             
      Epithelium, Cyst                     |                                                                          |             
      Epithelium, Hyperplasia              |                1                                                         |             
      Muscularis, Mineralization, Focal    |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Inflammation                         |                                                                          |             
      Epithelium, Atrophy                  |                      2                          1  2  1              2   |             
      Epithelium, Cyst, Focal              |             1  1                                                         |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Artery, Inflammation                 |                                                                          |             
      Atrium, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |                                                                          |             
      Atrium, Thrombosis                   |                                                                          |             
      Myocardium, Degeneration             |                                                                          |             
      Myocardium, Inflammation             |                                                                          |             
      Valve, Thrombosis                    |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Degeneration, Fatty                  |                                                                          |             
      Bilateral, Capsule, Hyperplasia      | 3  2  2  2  3  2  2  2  2     3  2  2  2  2  2  3  2  2  2  2        2  2|             
      Capsule, Hyperplasia                 |                                                                3         |             
      Zona Fasciculata, Hypertrophy, Focal |             2                                         2        1         |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | A  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Hyperplasia                          |    1  1  1  2        2  1           2  1  1  1        1  1  1            |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                     1           3                        |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  M  M  I  +  M  +  M  M  M  +  +  +  +  M  +  M  +  M  M  M  +  M|             
      Degeneration                         |                                                                          |             
      Hyperplasia                          |                                     1              1                     |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  83                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 7| 7| 6| 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6|             
                             DAY ON TEST   | 6| 0| 3| 3| 3| 3| 3| 8| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 8| 3| 9|             
                                           | 6| 3| 7| 5| 5| 6| 5| 7| 6| 3| 7| 6| 7| 6| 6| 5| 5| 7| 7| 5| 9| 6| 2| 6| 0|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                         2                                                |             
                                            __________________________________________________________________________|             
   Pineal Gland                            | M  +  +  +  M  M  M  A  +  A  M  +  I  M  +  +  +  M  +  M  M  +  A  +  +|             
      Inflammation                         |                                                                          |             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Hemorrhage                           |                                                                          |             
      Pars Distalis, Cyst                  |                                                                          |             
      Pars Distalis, Hyperplasia, Diffuse  |                   3                                                      |             
      Pars Distalis, Hyperplasia, Focal    | 2  1        2           2           1  3  4  3  2        2  2  3         |             
      Pars Distalis, Hypertrophy, Focal    |                                                    3                     |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Inflammation, Focal                  |                                                                          |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |                                                                1         |             
      Follicle, Cyst                       |                               1                    1                     |             
      Follicular Cell, Hyperplasia, Focal  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Clitoral Gland                          | M  +  +  +  +  +  M  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +|             
      Atrophy                              |          3              4     4  3     3  3        4     3  4            |             
      Cyst                                 |                         2     2  2     2  3        2     3  2            |             
      Arteriole, Inflammation              |                                                                          |             
      Bilateral, Atrophy                   |    4  4     4  4     4              4        3  3     4        4     4  3|             
      Bilateral, Cyst                      |    2  3  2  2  2     2                       3  3     3        2     3  1|             
                                            __________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  M  +  A  +  +|             
      Atrophy                              |                                                                         3|             
      Cyst                                 |       2  3  4                 2  2  2        3                           |             
      Hemorrhage                           |                                                                          |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Mineralization                       |                                                                          |             
      Bilateral, Amyloid Deposition        |                                                                2         |             
      Bilateral, Atrophy                   |                                                                          |             
      Bilateral, Cyst                      |                                                                          |             
      Germinal Epithelium, Hyperplasia     |                                                                          |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hydrometra                           | 3                                                  4        2     3     2|             
      Bilateral, Hydrometra                |          3        4  2                       4                       4   |             
      Bilateral, Endometrium, Hyperplasia, |                                                                          |             
           Cystic                          |    2  4     2           2        3  2  3  3     3     3  2     3         |             
      Endometrium, Angiectasis             |                                                          3               |             
      Endometrium, Hyperplasia, Cystic     |                1              3                    3        2            |             
                                            __________________________________________________________________________|             
   Vagina                                  |                                                                      +   |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  84                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 7| 7| 6| 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6|             
                             DAY ON TEST   | 6| 0| 3| 3| 3| 3| 3| 8| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 8| 3| 9|             
                                           | 6| 3| 7| 5| 5| 6| 5| 7| 6| 3| 7| 6| 7| 6| 6| 5| 5| 7| 7| 5| 9| 6| 2| 6| 0|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Hyperplasia                          | 1                                                              2        2|             
      Myelofibrosis                        |                                                                      1   |             
                                            __________________________________________________________________________|             
   Lymph Node                              |       +     +                                +     +           +         |             
      Ectasia                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Lumbar, Ectasia                      |       3                                                                  |             
      Lumbar, Hemorrhage                   |       3                                                                  |             
      Mediastinal, Hemorrhage              |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Atrophy                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia                          |       2                                                                  |             
      Hyperplasia, Reticulum Cell          |                                                 2                        |             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Histiocyte    | 2                                                                        |             
      Infiltration Cellular, Mixed Cell    |                                                                         2|             
      Pigmentation                         |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | A  +  +  +  +  +  +  A  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Atrophy                              |       2        3        2        2                    2              2  3|             
      Ectasia                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia, Reticulum Cell          |                                  2           3  3  2  2                  |             
      Infiltration Cellular, Plasma Cell   |                               2                                          |             
      Infiltration Cellular, Histiocyte    |    1     2     1        2        1  2  2  2                          2   |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Artery, Inflammation                 |                                                                          |             
                                            __________________________________________________________________________|             
   Spleen                                  | A  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +|             
      Hematopoietic Cell Proliferation     |    2  2  3  4  3  2  3  3     3  3  3  3  3  3  3  2  2  2  4  1     2  4|             
      Pigmentation                         |                                              2  2                        |             
      Lymphoid Follicle, Atrophy           |                      3                                      3           3|             
      Lymphoid Follicle, Hyperplasia       |          1     4        1                 2              3           3   |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  M  +  +  +  +  +  M  +  M  +  +  +  +  +  +  +  +  M  +  +  +  A  +  M|             
      Angiectasis                          |                                                 1                        |             
      Atrophy                              | 2     2                 2     2  2                 2     1  4            |             
      Cyst, Focal                          |       2                                2           3           4     2   |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia, Lymphoid                |                                  2        2  2  3  1     2               |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  85                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 7| 7| 6| 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6|             
                             DAY ON TEST   | 6| 0| 3| 3| 3| 3| 3| 8| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 8| 3| 9|             
                                           | 6| 3| 7| 5| 5| 6| 5| 7| 6| 3| 7| 6| 7| 6| 6| 5| 5| 7| 7| 5| 9| 6| 2| 6| 0|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Duct, Dilatation                     |             1                 1                 2                        |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |    +                                                                     |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  I  +  +|             
      Choroid Plexus, Infiltration         |                                                                          |             
          Cellular, Lymphocyte             |                                                 3                        |             
      Hypothalamus, Compression            |                                                                          |             
      Hypothalamus, Hemorrhage             |                                                                          |             
      Thalamus, Mineralization             |    2     1  1        2        2  2     2  2  2        2  2     2        2|             
      Ventricle, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |                                                                          |             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |    +                                                                     |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |    +                                                                     |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Infiltration Cellular, Lymphocyte    | 3     2              3           1     1     2  2                        |             
      Inflammation, Focal                  |                                                                          |             
      Alveolus, Infiltration Cellular,     |                                                                          |             
           Histiocyte                      |                      3                                                   |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                                                                          |             
      Lens, Mineralization                 |                                                                          |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Infiltration Cellular, Lymphocyte    |    1                                                     2           1   |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      | 2     1     2     2  2                       2                           |             
                                            __________________________________________________________________________|             
   Lacrimal Gland                          |    +                                                                     |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Hydronephrosis                       |                                                                          |             
      Bilateral, Artery, Inflammation      |                                                                          |             
      Bilateral, Cortex, Infiltration      |                                                                          |             
          Cellular, Lymphocyte             |                   2                             1                        |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  86                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 5| 7| 7| 7| 7| 7| 7| 6| 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6|             
                             DAY ON TEST   | 6| 0| 3| 3| 3| 3| 3| 8| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 8| 3| 9|             
                                           | 6| 3| 7| 5| 5| 6| 5| 7| 6| 3| 7| 6| 7| 6| 6| 5| 5| 7| 7| 5| 9| 6| 2| 6| 0|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
           Degeneration                    |                                        2                                 |             
      Bilateral, Medulla, Infiltration     |                                                                          |             
          Cellular, Lymphocyte             |    1              2  1        1        1  1  2  2                       1|             
      Bilateral, Medulla, Mineralization   |                                                                          |             
      Cortex, Cyst                         |                                              2                           |             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |                                              1              1        1   |             
      Cortex, Infiltration Cellular, Mixed |                                                                          |             
          Cell                             |                                                                          |             
      Cortex, Metaplasia, Focal, Osseous   |                                                                          |             
      Cortex, Renal Tubule, Degeneration   |                                                    2                     |             
      Cortex, Renal Tubule, Dilatation     |                                                 1                        |             
      Medulla, Cyst                        |                                                                          |             
      Medulla, Infiltration Cellular,      |                                                                          |             
          Lymphocyte                       |                         2        1                 2  1  1  2        2   |             
      Medulla, Mineralization              |                                                                          |             
      Pelvis, Calculus Micro Observation   |                                                                          |             
          Only                             |                                                                          |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | A  +  +  +  +  +  +  A  +  A  +  +  +  +  +  +  +  +  +  +  A  +  M  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                          4               |             
      Arteriole, Inflammation              |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  87                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 2| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 3| 3| 2| 3| 3| 9| 3| 3| 3| 5| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3|             
                                           | 5| 6| 8| 7| 6| 1| 3| 5| 6| 4| 6| 6| 7| 6| 4| 7| 7| 6| 0| 6| 6| 1| 5| 5| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  +  A  +  +  A  A  +  +  M  +  +  +  +  A  +  +  +  M  +  M  M  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Epithelium, Cyst                     |             1                                                            |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  M  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  M  A  +  +  A  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +|             
      Lymphoid Tissue, Hyperplasia         |                         1                                                |             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  A  +  +  M  A  +  +  A  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +|             
      Lymphoid Tissue, Hyperplasia         |                      2                             2     2     1         |             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  A  A  +  +  A  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +|             
      Peyer's Patch, Hyperplasia           |                                                 1                        |             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  A  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|             
      Muscularis, Hypertrophy              |                                                    2                     |             
      Serosa, Inflammation                 |                               2                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  A  +  +  A  A  +  +  A  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +|             
      Muscularis, Hypertrophy              |    3                 2                       3     2     2        2      |             
      Peyer's Patch, Hyperplasia           |                               3                                          |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Basophilic Focus                     |             3                                                            |             
      Clear Cell Focus                     |                                                                         1|             
      Clear Cell Focus, Multiple           |                                                          2               |             
      Eosinophilic Focus                   |                               3                                          |             
      Eosinophilic Focus, Multiple         |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Infiltration Cellular, Focal,        |                                                                          |             
          Lymphocyte                       |                                                    2                     |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |          2        2           1  2  2  2     2  2     2  2  1  3     2   |             
      Mixed Cell Focus                     |                                                                          |             
      Bile Duct, Cyst                      |                                                                          |             
      Hepatocyte, Vacuolization Cytoplasmic|                2     1  2                 2                 3           2|             
                                            __________________________________________________________________________|             
   Mesentery                               | +  +                 +        +        +  +     +        +        +      |             
      Hemorrhage                           |                                                                          |             
      Fat, Inflammation                    |                                                                          |             
      Fat, Necrosis                        | 4  3                 3        3        3  3     2        3               |             
                                            __________________________________________________________________________|             
   Oral Mucosa                             |             +                                                            |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |    1     1                       2                                       |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Lipomatosis                          |    1                          1     1     2     1  2                    2|             
      Vacuolization Cytoplasmic            |                         1              1        2                    1   |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  88                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 2| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 3| 3| 2| 3| 3| 9| 3| 3| 3| 5| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3|             
                                           | 5| 6| 8| 7| 6| 1| 3| 5| 6| 4| 6| 6| 7| 6| 4| 7| 7| 6| 0| 6| 6| 1| 5| 5| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
      Acinus, Cytoplasmic Alteration       |                                                                          |             
      Artery, Inflammation                 |                   3                                                      |             
      Duct, Cyst                           |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                                                          |             
      Infiltration Cellular, Lymphocyte    | 2  2     1  2  1  2     2  2  2  1  2  2  1  3  2  1  2  2  2        2   |             
      Pigmentation                         |                                                                          |             
      Duct, Cytoplasmic Alteration         |                   3                                                      |             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation                         |                                                                          |             
      Epithelium, Atrophy                  |                                                                2         |             
      Epithelium, Cyst                     |                                                                          |             
      Epithelium, Hyperplasia              |                                                                          |             
      Muscularis, Mineralization, Focal    |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  A  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|             
      Inflammation                         |                                                                          |             
      Epithelium, Atrophy                  |                   2                                   2  1     2         |             
      Epithelium, Cyst, Focal              |             2           1              2        2                        |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Artery, Inflammation                 |                   3                                                      |             
      Atrium, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |                                                                          |             
      Atrium, Thrombosis                   |                                                                          |             
      Myocardium, Degeneration             |                                                             3            |             
      Myocardium, Inflammation             |                                                                          |             
      Valve, Thrombosis                    |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Degeneration, Fatty                  |                                                                          |             
      Bilateral, Capsule, Hyperplasia      |    2  2  2  2  2  2  2  1  2  2  2  2  2     2  2  3     2     2  2  3  2|             
      Capsule, Hyperplasia                 | 3                                         1           1     3            |             
      Zona Fasciculata, Hypertrophy, Focal |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |    1     1        2  1           1  1  1  2     1                       1|             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                              1                           |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  M  +  +  M  +  +  +  +  +  M  M  M  +  +  +  M  +  M  +  M  M  M|             
      Degeneration                         |    2                                                                     |             
      Hyperplasia                          |       2                                                                  |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  89                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 2| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 3| 3| 2| 3| 3| 9| 3| 3| 3| 5| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3|             
                                           | 5| 6| 8| 7| 6| 1| 3| 5| 6| 4| 6| 6| 7| 6| 4| 7| 7| 6| 0| 6| 6| 1| 5| 5| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
                                            __________________________________________________________________________|             
   Pineal Gland                            | +  +  +  +  +  M  +  +  +  A  +  +  M  +  A  +  +  +  M  +  +  +  +  +  M|             
      Inflammation                         |                                                                          |             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  M  +  +  I  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage                           |                   4                                                      |             
      Pars Distalis, Cyst                  |                                                                          |             
      Pars Distalis, Hyperplasia, Diffuse  |                                                                          |             
      Pars Distalis, Hyperplasia, Focal    | 2  2                 2        2           2  1     2        2  1     4  2|             
      Pars Distalis, Hypertrophy, Focal    |                                                                          |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Focal                  | 2                                                                    1   |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |                                                                          |             
      Follicle, Cyst                       |    1        2     2  2        1                 1  3  2  1           2   |             
      Follicular Cell, Hyperplasia, Focal  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Clitoral Gland                          | +  +  I  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  I  +  +  +|             
      Atrophy                              |                2                                         3               |             
      Cyst                                 |          2                                            2  3               |             
      Arteriole, Inflammation              |             3                                                            |             
      Bilateral, Atrophy                   | 4  3        4     3  3  3  3  3  3  4  4     3  3  4        3           4|             
      Bilateral, Cyst                      | 3  3        3     2  2  3     3  2  3  2     2  3  3        3     1     3|             
                                            __________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                                                          |             
      Cyst                                 | 2  3                 3              2           3                        |             
      Hemorrhage                           |                                                                          |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Mineralization                       |                                                                          |             
      Bilateral, Amyloid Deposition        |                                                                          |             
      Bilateral, Atrophy                   |                                                             3            |             
      Bilateral, Cyst                      |                                                                          |             
      Germinal Epithelium, Hyperplasia     |                                                                          |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hydrometra                           |          4                          3                    4               |             
      Bilateral, Hydrometra                |                            2     3        2           1           4      |             
      Bilateral, Endometrium, Hyperplasia, |                                                                          |             
           Cystic                          | 2  3  2     3        3  2     3        1     3  2  2           1     3  3|             
      Endometrium, Angiectasis             |                                                                          |             
      Endometrium, Hyperplasia, Cystic     |          3        2                 3                       1            |             
                                            __________________________________________________________________________|             
   Vagina                                  |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  90                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 2| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 3| 3| 2| 3| 3| 9| 3| 3| 3| 5| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3|             
                                           | 5| 6| 8| 7| 6| 1| 3| 5| 6| 4| 6| 6| 7| 6| 4| 7| 7| 6| 0| 6| 6| 1| 5| 5| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                   2                                         1     3      |             
      Myelofibrosis                        |          1  1                                                            |             
                                            __________________________________________________________________________|             
   Lymph Node                              | +     +                                                     +  +  +      |             
      Ectasia                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Lumbar, Ectasia                      |                                                                          |             
      Lumbar, Hemorrhage                   |                                                                          |             
      Mediastinal, Hemorrhage              |                                                             2            |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  A  M  +  M  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +|             
      Atrophy                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia                          |                                                                      2   |             
      Hyperplasia, Reticulum Cell          |                                                                          |             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Histiocyte    |                                                                          |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Pigmentation                         |                                                 2  1                    1|             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  M  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                   3           2        2  3              1     2         |             
      Ectasia                              |                                                                          |             
      Hemorrhage                           |                                                                1         |             
      Hyperplasia, Reticulum Cell          |          2           2              2                                    |             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Histiocyte    |    2     2           2  2        2     2        2  2        2            |             
      Infiltration Cellular, Mixed Cell    |                                              2                           |             
      Artery, Inflammation                 |                   3                                                      |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  A  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|             
      Hematopoietic Cell Proliferation     | 2  3  2  3  2     2  3  2     3  2  2  3     3  2  3  4  1  3     2  2  3|             
      Pigmentation                         |                                                 2     2  2               |             
      Lymphoid Follicle, Atrophy           |                                                                          |             
      Lymphoid Follicle, Hyperplasia       |    1              2     3     2     3              2     3           3  2|             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  +  M  +  M  +  +  +  +  M  +  +  +  M  +  +  +  A  +  +  M  +  +  +|             
      Angiectasis                          |    1                                                                     |             
      Atrophy                              | 2                    2                       2     1        4        2   |             
      Cyst, Focal                          |                                                                          |             
      Hemorrhage                           |       2                                                                  |             
      Hyperplasia, Lymphoid                |                         2           2        2                       2   |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                                2         |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  91                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 2| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 3| 3| 2| 3| 3| 9| 3| 3| 3| 5| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3|             
                                           | 5| 6| 8| 7| 6| 1| 3| 5| 6| 4| 6| 6| 7| 6| 4| 7| 7| 6| 0| 6| 6| 1| 5| 5| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Duct, Dilatation                     |                   2                          1        3                  |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +|             
      Choroid Plexus, Infiltration         |                                                                          |             
          Cellular, Lymphocyte             |                                                                          |             
      Hypothalamus, Compression            |                   4                                                      |             
      Hypothalamus, Hemorrhage             |                   3                                                      |             
      Thalamus, Mineralization             |       2     2  1     1  2  2  1  2     2  2  1  1  1     1     1     2   |             
      Ventricle, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |                                                                          |             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |                                                                          |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |          2  1     2     1     2  3           2  2     1        2     2   |             
      Inflammation, Focal                  |                                              1                           |             
      Alveolus, Infiltration Cellular,     |                                                                          |             
           Histiocyte                      |                                                                          |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                         +                                                |             
      Lens, Mineralization                 |                         4                                                |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |       2                          2           2                           |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |                      2              1           1        2     2         |             
                                            __________________________________________________________________________|             
   Lacrimal Gland                          |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hydronephrosis                       |                                                                          |             
      Bilateral, Artery, Inflammation      |                   3                                                      |             
      Bilateral, Cortex, Infiltration      |                                                                          |             
          Cellular, Lymphocyte             |          2                    1                                      1   |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  92                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 2| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 3| 3| 2| 3| 3| 9| 3| 3| 3| 5| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3|             
                                           | 5| 6| 8| 7| 6| 1| 3| 5| 6| 4| 6| 6| 7| 6| 4| 7| 7| 6| 0| 6| 6| 1| 5| 5| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|             
    10                                     | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
     GAUSS                                 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
           Degeneration                    |                            1                          2                  |             
      Bilateral, Medulla, Infiltration     |                                                                          |             
          Cellular, Lymphocyte             |          2  1           2                                   1           2|             
      Bilateral, Medulla, Mineralization   |                                              1                           |             
      Cortex, Cyst                         |                                                                          |             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |                                                                          |             
      Cortex, Infiltration Cellular, Mixed |                                                                          |             
          Cell                             |                   3                                                      |             
      Cortex, Metaplasia, Focal, Osseous   |                            1                                             |             
      Cortex, Renal Tubule, Degeneration   |                   4                                                     2|             
      Cortex, Renal Tubule, Dilatation     |                   2                                                      |             
      Medulla, Cyst                        |                                                                          |             
      Medulla, Infiltration Cellular,      |                                                                          |             
          Lymphocyte                       | 1                    1     2     2     2     1  2        2               |             
      Medulla, Mineralization              |                                                             2            |             
      Pelvis, Calculus Micro Observation   |                                                                          |             
          Only                             |                                                                          |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |          2                    2                                          |             
      Arteriole, Inflammation              |             3                                                            |             
 _____________________________________________________________________________________________________________________|             

                                                             Page  93                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7|            |
                             DAY ON TEST   | 3| 3| 3| 6| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 9| 8| 3| 3| 3| 3| 3| 8| 3| 3| 3|            |
                                           | 7| 7| 5| 7| 7| 6| 5| 6| 6| 7| 5| 6| 6| 7| 0| 7| 6| 5| 6| 5| 7| 4| 6| 5| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|      T     |
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      A     |
    10                                     | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
                                            __________________________________________________________________________|____________|
   Gallbladder                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  A  +  +  +|  79        |
      Infiltration Cellular, Lymphocyte    |       2                                                                  |      1  2.0|
      Infiltration Cellular, Mixed Cell    |                                                                          |      1  2.0|
      Epithelium, Cyst                     |                                                                          |      3  1.3|
                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  90        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  88        |
      Lymphoid Tissue, Hyperplasia         |                                                                          |      1  1.0|
                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  87        |
      Lymphoid Tissue, Hyperplasia         | 2                       1           2  2        1                        |     24  1.8|
                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  A  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  87        |
      Peyer's Patch, Hyperplasia           |                                                                          |      1  1.0|
                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  91        |
      Muscularis, Hypertrophy              |                                                                          |      3  2.0|
      Serosa, Inflammation                 |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  87        |
      Muscularis, Hypertrophy              |                                        2                 2        3      |     17  2.4|
      Peyer's Patch, Hyperplasia           |                                                                          |      4  2.0|
                                            __________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Angiectasis                          |             2                                               3            |      2  2.5|
      Basophilic Focus                     |                                                                          |      2  3.0|
      Clear Cell Focus                     |                                                                         2|      5  1.4|
      Clear Cell Focus, Multiple           |                                                                          |      1  2.0|
      Eosinophilic Focus                   | 3     2     2                                   3                        |     10  2.4|
      Eosinophilic Focus, Multiple         |                                                                          |      2  3.0|
      Hemorrhage                           |                                                                          |      1  2.0|
      Infiltration Cellular, Focal,        |                                                                          |            |
          Lymphocyte                       |                                                                          |      2  2.0|
      Infiltration Cellular, Focal, Mixed  |                                                                          |            |
          Cell                             |    1  2     2     2              1  2           3  2     2        2  2  2|     48  1.8|
      Mixed Cell Focus                     |                                                                          |      1  3.0|
      Bile Duct, Cyst                      |                                                                          |      1  2.0|
      Hepatocyte, Vacuolization Cytoplasmic|                            4                    2                        |     17  2.1|
                                            __________________________________________________________________________|____________|
   Mesentery                               |       +     +           +              +                    +     +      |  30        |
      Hemorrhage                           |                                                                          |      1  2.0|
      Fat, Inflammation                    |                                        3                                 |      4  2.8|
      Fat, Necrosis                        |       4     2           2                                   2     3      |     22  2.9|
                                            __________________________________________________________________________|____________|
   Oral Mucosa                             |                                                                          |   1        |
                                            __________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  94        |
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  94                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7|            |
                             DAY ON TEST   | 3| 3| 3| 6| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 9| 8| 3| 3| 3| 3| 3| 8| 3| 3| 3|            |
                                           | 7| 7| 5| 7| 7| 6| 5| 6| 6| 7| 5| 6| 6| 7| 0| 7| 6| 5| 6| 5| 7| 4| 6| 5| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|      T     |
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      A     |
    10                                     | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
                                           |                                                                          |            |
      Infiltration Cellular, Focal, Mixed  |                                                                          |            |
          Cell                             |                                        1                 2        2      |     10  1.8|
      Infiltration Cellular, Lymphocyte    |                                                                          |      3  2.0|
      Lipomatosis                          | 4  2        2  2        2     1  3     1                       3     1   |     29  1.9|
      Vacuolization Cytoplasmic            |                                     2           2                        |     16  1.5|
      Acinus, Cytoplasmic Alteration       |                                                                          |      2  2.0|
      Artery, Inflammation                 |                                                                          |      1  3.0|
      Duct, Cyst                           | 4                                                                        |      1  4.0|
                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Atrophy                              |                                                                          |      1  2.0|
      Infiltration Cellular, Lymphocyte    | 2  2  2  2     1  2     2     2  1     3  2     2  2  2  1     2  2  1  2|     75  1.8|
      Pigmentation                         |                                                                          |      1  1.0|
      Duct, Cytoplasmic Alteration         |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  94        |
      Inflammation                         |                                                                          |      1  2.0|
      Epithelium, Atrophy                  |    2                       2                                2            |     10  1.7|
      Epithelium, Cyst                     |                               3                                          |      1  3.0|
      Epithelium, Hyperplasia              |                                                                          |      5  1.0|
      Muscularis, Mineralization, Focal    |       2                                                                  |      1  2.0|
                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  93        |
      Inflammation                         |                                        2                                 |      1  2.0|
      Epithelium, Atrophy                  |    1     2              1  3                                2        2  2|     18  1.8|
      Epithelium, Cyst, Focal              | 1                                                     2                  |     12  1.5|
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Artery, Inflammation                 |                                                                          |      1  3.0|
      Atrium, Infiltration Cellular,       |                                                                          |            |
          Lymphocyte                       |          2                                                               |      1  2.0|
      Atrium, Thrombosis                   |                                                                          |      1  3.0|
      Myocardium, Degeneration             |                                                                          |      1  3.0|
      Myocardium, Inflammation             |                                                                3         |      1  3.0|
      Valve, Thrombosis                    |                                                                4         |      1  4.0|
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Degeneration, Fatty                  |                                                                          |      1  4.0|
      Bilateral, Capsule, Hyperplasia      | 2  2  2  2  3  2  2  2  2  2  3  2  2  3     2  2  2  2  2  3     2  2  2|     89  2.2|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  95                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7|            |
                             DAY ON TEST   | 3| 3| 3| 6| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 9| 8| 3| 3| 3| 3| 3| 8| 3| 3| 3|            |
                                           | 7| 7| 5| 7| 7| 6| 5| 6| 6| 7| 5| 6| 6| 7| 0| 7| 6| 5| 6| 5| 7| 4| 6| 5| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|      T     |
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      A     |
    10                                     | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
                                           |                                                                          |            |
      Capsule, Hyperplasia                 |                                           1                    2         |      9  2.0|
      Zona Fasciculata, Hypertrophy, Focal |                                                       1                  |      5  1.4|
                                            __________________________________________________________________________|____________|
   Adrenal Medulla                         | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  97        |
                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  94        |
      Hyperplasia                          | 1  2                 1  1  2           1        1  1     1     1  1  2   |     48  1.3|
      Infiltration Cellular, Focal, Mixed  |                                                                          |            |
          Cell                             |                                                                          |      3  1.7|
                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       | M  M  +  M  +  +  +  M  +  M  M  M  M  +  +  +  +  +  M  +  M  +  +  +  +|  53        |
      Degeneration                         |                                                                          |      1  2.0|
      Hyperplasia                          |                                                    1     1     1         |      6  1.2|
      Infiltration Cellular, Lymphocyte    |                                                                2         |      2  2.0|
                                            __________________________________________________________________________|____________|
   Pineal Gland                            | +  +  M  M  +  +  +  M  +  +  +  M  M  +  A  +  +  +  +  +  +  +  M  +  +|  61        |
      Inflammation                         |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  I  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  M  +|  89        |
      Hemorrhage                           |                                                                          |      1  4.0|
      Pars Distalis, Cyst                  |                                                                1         |      1  1.0|
      Pars Distalis, Hyperplasia, Diffuse  |                                                                          |      1  3.0|
      Pars Distalis, Hyperplasia, Focal    | 2  2  1     1                 3              1           2               |     35  2.1|
      Pars Distalis, Hypertrophy, Focal    |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Inflammation, Focal                  |       1                                                                  |      4  1.3|
      Bilateral, Infiltration Cellular,    |                                                                          |            |
           Lymphocyte                      |                                                                          |      1  1.0|
      Follicle, Cyst                       |                2                    2           2  1                 2   |     22  1.7|
      Follicular Cell, Hyperplasia, Focal  |                                                                          |      1  1.0|
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Clitoral Gland                          | +  +  +  M  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  84        |
      Atrophy                              | 3     3     3                          4           3                     |     21  3.2|
      Cyst                                 | 2                                      1           3                     |     18  2.2|
      Arteriole, Inflammation              |                                                                          |      1  3.0|
      Bilateral, Atrophy                   |    4              4     3  4  3  4  3        3  4     3  4  4  4  4  4  2|     55  3.5|
      Bilateral, Cyst                      |    3  2     3  3  3  1  2  2  2  2  3        2        3  3  3  3  3  3  3|     58  2.4|
                                            __________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +|  94        |
      Atrophy                              |                                                                          |      2  2.5|
      Cyst                                 | 2           2     2  2              2        4  3  3  3              4  3|     32  2.7|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  96                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7|            |
                             DAY ON TEST   | 3| 3| 3| 6| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 9| 8| 3| 3| 3| 3| 3| 8| 3| 3| 3|            |
                                           | 7| 7| 5| 7| 7| 6| 5| 6| 6| 7| 5| 6| 6| 7| 0| 7| 6| 5| 6| 5| 7| 4| 6| 5| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|      T     |
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      A     |
    10                                     | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 GENITAL SYSTEM - cont                     |                                                                          |            |
                                           |                                                                          |            |
      Hemorrhage                           |                                                                          |      1  4.0|
      Infiltration Cellular, Mixed Cell    |                                                                          |      1  3.0|
      Mineralization                       |                                                                   3      |      1  3.0|
      Bilateral, Amyloid Deposition        |                                                                          |      1  2.0|
      Bilateral, Atrophy                   |                                                 3                        |      3  3.0|
      Bilateral, Cyst                      |                                                                          |      1  3.0|
      Germinal Epithelium, Hyperplasia     |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Hydrometra                           | 3  4                       2        1              4  4                  |     20  3.0|
      Bilateral, Hydrometra                |                3     3        3           3     3              3         |     21  3.0|
      Bilateral, Endometrium, Hyperplasia, |                                                                          |            |
           Cystic                          |       4     2                    2     2                    1     3  2  2|     45  2.4|
      Endometrium, Angiectasis             |                                                                          |      1  3.0|
      Endometrium, Hyperplasia, Cystic     | 3  3              2                 2        1     3  2  2               |     21  2.2|
                                            __________________________________________________________________________|____________|
   Vagina                                  |                                                                          |   1        |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Hyperplasia                          |          1                                                  1  3         |     14  1.6|
      Myelofibrosis                        |    1  1                          1  1                             1      |     10  1.4|
                                            __________________________________________________________________________|____________|
   Lymph Node                              |          +                                                  +  +         |  14        |
      Ectasia                              |                                                                          |      1  3.0|
      Hemorrhage                           |                                                                2         |      1  2.0|
      Lumbar, Ectasia                      |                                                                3         |      2  3.0|
      Lumbar, Hemorrhage                   |                                                                          |      1  3.0|
      Mediastinal, Hemorrhage              |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +|  91        |
      Atrophy                              |                                                                          |      4  2.0|
      Hemorrhage                           |                                                                          |      2  2.5|
      Hyperplasia                          |                                                                   2      |      4  2.0|
      Hyperplasia, Reticulum Cell          |       2                                                                  |      2  2.0|
      Infiltration Cellular, Plasma Cell   |                                                                          |      1  2.0|
      Infiltration Cellular, Histiocyte    |                                                                          |      1  2.0|
      Infiltration Cellular, Mixed Cell    |                                                                          |      1  2.0|
      Pigmentation                         |                                              1     1                     |     10  1.4|
                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  M  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  92        |
      Atrophy                              | 1  2              1     2                       2        1               |     21  2.0|
      Ectasia                              |                                                                          |      2  2.5|
      Hemorrhage                           |                                                       2                  |      4  2.0|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  97                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7|            |
                             DAY ON TEST   | 3| 3| 3| 6| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 9| 8| 3| 3| 3| 3| 3| 8| 3| 3| 3|            |
                                           | 7| 7| 5| 7| 7| 6| 5| 6| 6| 7| 5| 6| 6| 7| 0| 7| 6| 5| 6| 5| 7| 4| 6| 5| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|      T     |
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      A     |
    10                                     | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |
      Hyperplasia, Reticulum Cell          |                                                                          |      8  2.3|
      Infiltration Cellular, Plasma Cell   |                                                                          |      1  2.0|
      Infiltration Cellular, Histiocyte    | 3  2        3     1                 2           2  1  2  2              2|     43  1.9|
      Infiltration Cellular, Mixed Cell    |                                        3                          2      |      5  2.2|
      Artery, Inflammation                 |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  93        |
      Hematopoietic Cell Proliferation     | 2  2  3     3  3  3  3  1  2  3  3  2  3           2  2  3     4  2  1   |     83  2.5|
      Pigmentation                         |    2                    1        1     1                                 |     12  1.7|
      Lymphoid Follicle, Atrophy           |                                                                          |      3  3.0|
      Lymphoid Follicle, Hyperplasia       |    2              3     1           2        2     3  1  1           3   |     34  2.3|
                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  +  +  I  +  A  M  +  +  M  +  M  +  +  +  +|  75        |
      Angiectasis                          |                                                 2                        |      3  1.3|
      Atrophy                              |          4  1     1  1                 2                       4  2  1  2|     29  2.2|
      Cyst, Focal                          |    1                    2                                                |      9  2.1|
      Hemorrhage                           |                                                                          |      1  2.0|
      Hyperplasia, Lymphoid                |    1              3  2        2                 3  1     2        2  3   |     24  2.1|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Hyperplasia                          |                                                                          |      2  2.5|
      Duct, Dilatation                     |    1  1        2     3                                1  2  1            |     17  1.6|
                                            __________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +| 100        |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
                                            __________________________________________________________________________|____________|
   Skeletal Muscle                         |                                              +                           |   4        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  98        |
      Choroid Plexus, Infiltration         |                                                                          |            |
          Cellular, Lymphocyte             |                                                                          |      1  3.0|
      Hypothalamus, Compression            |                4     4                                                   |      3  4.0|
      Hypothalamus, Hemorrhage             |                                                                          |      1  3.0|
      Thalamus, Mineralization             |    2  1  2           1     1  1  3  2  2  2  1  2              2  2  2  2|     60  1.7|
      Ventricle, Infiltration Cellular,    |                                                                          |            |
           Lymphocyte                      |                                                                          |      1  1.0|
                                            __________________________________________________________________________|____________|
   Peripheral Nerve                        |                                              +                           |   3        |
                                            __________________________________________________________________________|____________|
   Spinal Cord                             |                                              +                           |   4        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  98                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7|            |
                             DAY ON TEST   | 3| 3| 3| 6| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 9| 8| 3| 3| 3| 3| 3| 8| 3| 3| 3|            |
                                           | 7| 7| 5| 7| 7| 6| 5| 6| 6| 7| 5| 6| 6| 7| 0| 7| 6| 5| 6| 5| 7| 4| 6| 5| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|      T     |
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      A     |
    10                                     | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
      Infiltration Cellular, Lymphocyte    |                   2              2  1           2        4  2  1        2|     34  1.9|
      Inflammation, Focal                  |                                                                          |      1  1.0|
      Alveolus, Infiltration Cellular,     |                                                                          |            |
           Histiocyte                      |                                                                          |      2  3.0|
                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +| 100        |
                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  99        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Eye                                     |                                                                          |   1        |
      Lens, Mineralization                 |                                                                          |      1  4.0|
                                            __________________________________________________________________________|____________|
   Harderian Gland                         | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  96        |
      Infiltration Cellular, Lymphocyte    |       2                             2        1  1        2  2        2   |     16  1.6|
      Bilateral, Infiltration Cellular,    |                                                                          |            |
           Lymphocyte                      |             1  1  2                                                     2|     16  1.7|
                                            __________________________________________________________________________|____________|
   Lacrimal Gland                          |                                                                          |   1        |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  98        |
      Hydronephrosis                       |       3                                                                  |      1  3.0|
      Bilateral, Artery, Inflammation      |                                                                          |      1  3.0|
      Bilateral, Cortex, Infiltration      |                                                                          |            |
          Cellular, Lymphocyte             |                                                                         2|      7  1.6|
      Bilateral, Cortex, Renal Tubule,     |                                                                          |            |
           Degeneration                    |                   1                    2                             1   |      8  1.6|
      Bilateral, Medulla, Infiltration     |                                                                          |            |
          Cellular, Lymphocyte             | 2  1              1           1     2                 2     1  2         |     31  1.5|
      Bilateral, Medulla, Mineralization   |                                                                          |      1  1.0|
      Cortex, Cyst                         |             3                                                            |      3  2.0|
      Cortex, Infiltration Cellular,       |                                                                          |            |
          Lymphocyte                       |       2           2                                               2      |      8  1.6|
      Cortex, Infiltration Cellular, Mixed |                                                                          |            |
          Cell                             |                                                                          |      1  3.0|
      Cortex, Metaplasia, Focal, Osseous   |                                                                          |      3  2.0|
      Cortex, Renal Tubule, Degeneration   |                2                                                         |      4  2.5|
      Cortex, Renal Tubule, Dilatation     |                                                                          |      2  1.5|
      Medulla, Cyst                        |                   2                                                      |      1  2.0|
      Medulla, Infiltration Cellular,      |                                                                          |            |
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page  99                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7|            |
                             DAY ON TEST   | 3| 3| 3| 6| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 9| 8| 3| 3| 3| 3| 3| 8| 3| 3| 3|            |
                                           | 7| 7| 5| 7| 7| 6| 5| 6| 6| 7| 5| 6| 6| 7| 0| 7| 6| 5| 6| 5| 7| 4| 6| 5| 6|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|      T     |
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      A     |
    10                                     | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0|      L     |
     GAUSS                                 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 URINARY SYSTEM - cont                     |                                                                          |            |
                                           |                                                                          |            |
          Lymphocyte                       |       3     2  2                                   2                 1   |     27  1.7|
      Medulla, Mineralization              |                                                                          |      1  2.0|
      Pelvis, Calculus Micro Observation   |                                                                          |            |
          Only                             |                                                                          |      1     |
                                            __________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  M  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|  89        |
      Infiltration Cellular, Lymphocyte    |                                                                   2      |      6  2.5|
      Arteriole, Inflammation              |                                                                          |      1  3.0|
 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        

                                                             Page 100                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 4| 3| 1| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3|             
                                           | 6| 5| 5| 7| 9| 6| 5| 6| 5| 5| 6| 9| 6| 7| 7| 6| 7| 7| 6| 6| 6| 7| 7| 9| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|             
    10 GAUSS                               | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
       INTER                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Epithelium, Hyperplasia, Focal       |                3                                                         |             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  I  +  +  +  +  +  +  +|             
      Epithelium, Cyst                     |                      1     2                             2           2   |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Lymphoid Tissue, Hyperplasia         | 1           2     2  2                    1           2  3        2      |             
      Lymphoid Tissue, Necrosis            |             3                                                            |             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Peyer's Patch, Hyperplasia           |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Inflammation                         |                                                                          |             
      Muscularis, Hypertrophy              |                                                                          |             
      Peyer's Patch, Hyperplasia           |    1                                                                     |             
      Peyer's Patch, Necrosis, Lymphoid    |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation                         |                                                                          |             
      Artery, Inflammation                 |                                                                          |             
      Muscularis, Hypertrophy              | 2                                                              1         |             
      Peyer's Patch, Hyperplasia           |       2                                                                  |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Basophilic Focus, Multiple           |          4                                                               |             
      Clear Cell Focus                     |                         1                                                |             
      Clear Cell Focus, Multiple           |                                                                          |             
      Developmental Malformation           |                                                                          |             
      Eosinophilic Focus                   |    2           3                                                         |             
      Hematopoietic Cell Proliferation     |                                                                          |             
      Infiltration Cellular, Focal,        |                                                                          |             
          Lymphocyte                       |                   3                                                      |             
      Infiltration Cellular, Focal,        |                                                                          |             
          Polymorphonuclear                |                   2                                                      |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             | 2  2  2        2                    2     2  2  1     1  3  1     2     2|             
      Necrosis                             |                                                                      3   |             
      Pigmentation                         |                                                 1                        |             
      Hepatocyte, Vacuolization Cytoplasmic|    2              3        2                             2               |             
      Sinusoid, Centrilobular, Dilatation  |                                                    1                     |             
                                            __________________________________________________________________________|             
   Mesentery                               |    +     +        +  +  +  +     +  +        +           +  +  +        +|             
      Inflammation                         |                                                                          |             
      Arteriole, Inflammation              |                                                                          |             
      Fat, Inflammation                    |    2                 2  2           2        2                           |             
      Fat, Necrosis                        |                   3        3     3  3                    2  3  3        3|             
 _____________________________________________________________________________________________________________________|             

                                                             Page 101                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 4| 3| 1| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3|             
                                           | 6| 5| 5| 7| 9| 6| 5| 6| 5| 5| 6| 9| 6| 7| 7| 6| 7| 7| 6| 6| 6| 7| 7| 9| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|             
    10 GAUSS                               | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
       INTER                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             | 2                                                  2        2            |             
      Infiltration Cellular, Lymphocyte    |                               2                                   2     2|             
      Inflammation                         |                                                                         1|             
      Lipomatosis                          | 2     2  1           1                 1  3  1     2           2  3     2|             
      Vacuolization Cytoplasmic            |       2  1     2                                                         |             
      Acinus, Cytoplasmic Alteration       |                                                                          |             
      Acinus, Hypertrophy, Focal           |                                                                          |             
      Artery, Inflammation                 |                                                 3                        |             
      Duct, Cyst                           | 4                                         4                              |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fibrosis                             |                                                                          |             
      Infiltration Cellular, Lymphocyte    | 1  2  2     2     1  2     2  2  1  2  2  2  2  2  2  2  2  2  2  1  1  2|             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Arteriole, Inflammation              |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Inflammation                         |                                                                          |             
      Ulcer, Focal                         |                                                                          |             
      Epithelium, Atrophy                  |                                        1        1  2                     |             
      Epithelium, Hyperplasia              |                      1                                         1         |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Ulcer, Focal                         |                                                                      3   |             
      Epithelium, Atrophy                  |                               2     1  2        2  3                     |             
      Epithelium, Cyst, Focal              | 2  2  1              1                                   2     1        1|             
      Serosa, Hemorrhage                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  M  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Artery, Inflammation                 |                                                                          |             
      Myocardium, Degeneration             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hematopoietic Cell Proliferation     |                                                                          |             
      Bilateral, Capsule, Hyperplasia      | 2  2  2  2  1  2  2  2  2  2  3  1  2  3  3  2  3     3  2  2  3     2  2|             
      Bilateral, Zona Reticularis,         |                                                                          |             
          Degeneration, Fatty              |                                                                          |             
      Capsule, Hyperplasia                 |                                                    2              2      |             
      Zona Fasciculata, Hyperplasia, Focal |                                                                          |             
      Zona Reticularis, Degeneration, Fatty|                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page 102                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 4| 3| 1| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3|             
                                           | 6| 5| 5| 7| 9| 6| 5| 6| 5| 5| 6| 9| 6| 7| 7| 6| 7| 7| 6| 6| 6| 7| 7| 9| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|             
    10 GAUSS                               | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
       INTER                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                 1                        |             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |    1        1           1                       1              1  1  2   |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | M  M  +  +  M  M  M  M  M  +  M  +  +  +  +  +  +  +  +  +  M  +  +  +  M|             
      Hyperplasia                          |                            2           1  1                          2   |             
      Infiltration Cellular, Mixed Cell    |                                                          1               |             
      Vacuolization Cytoplasmic            |                                                                          |             
                                            __________________________________________________________________________|             
   Pineal Gland                            | +  M  +  +  +  M  M  +  M  +  +  +  +  +  +  M  +  M  +  M  +  M  +  A  +|             
      Hyperplasia                          |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | M  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Pars Distalis, Cyst                  |                                                    3                     |             
      Pars Distalis, Hyperplasia, Focal    |    2        3        3              2     2              2              1|             
      Pars Distalis, Hypertrophy, Focal    |                                                                          |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Focal                  |    1                                      2                              |             
      Follicle, Cyst                       |       2  2        1     2     3     1  3                 3  2  2         |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Clitoral Gland                          | +  +  M  +  M  +  +  +  +  +  +  M  +  +  +  M  +  +  +  +  M  +  +  +  +|             
      Atrophy                              |                4                                   3                     |             
      Cyst                                 |                2        2                          1           2         |             
      Inflammation                         |                                                                         2|             
      Bilateral, Atrophy                   | 2  4     3        4  3     3  3     3  2        3     3  3        3  3  4|             
      Bilateral, Cyst                      |          2        2  3     2  2     2  2        2     2  2        2     2|             
                                            __________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Amyloid Deposition                   |                                                                          |             
      Angiectasis                          |                                                                          |             
      Atrophy                              |                                                                          |             
      Cyst                                 |                3        2           2                    2  3     2      |             
      Hemorrhage                           |                                                                          |             
      Thrombosis                           |                            3                                             |             
      Bilateral, Atrophy                   |                                                                          |             
      Bilateral, Cyst                      |                                                                          |             
      Interstitial Cell, Hyperplasia       |                                                                          |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Amyloid Deposition                   |                                           3                              |             
 _____________________________________________________________________________________________________________________|             

                                                             Page 103                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 4| 3| 1| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3|             
                                           | 6| 5| 5| 7| 9| 6| 5| 6| 5| 5| 6| 9| 6| 7| 7| 6| 7| 7| 6| 6| 6| 7| 7| 9| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|             
    10 GAUSS                               | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
       INTER                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
      Angiectasis                          |                                                                          |             
      Hydrometra                           |    3  4     3                                3     3     3     2  3      |             
      Bilateral, Hydrometra                |                3  3           3  2  3           3                        |             
      Bilateral, Endometrium, Hyperplasia, |                                                                          |             
           Cystic                          | 2                    1     2              3           2     2           3|             
      Endometrium, Hyperplasia, Cystic     |       2  1  2                 1              2     2           2  2      |             
                                            __________________________________________________________________________|             
   Vagina                                  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                    3                     |             
      Atrophy                              |                2                                                         |             
      Hyperplasia                          | 1     2                          1     2        1              2         |             
      Myelofibrosis                        |                         1        1           2                           |             
                                            __________________________________________________________________________|             
   Lymph Node                              |                                              +                           |             
      Ectasia                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia, Reticulum Cell          |                                                                          |             
      Infiltration Cellular, Histiocyte    |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  M  +  +  M  +  +  +  +  +  +|             
      Atrophy                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia                          | 2                                                                        |             
      Hyperplasia, Reticulum Cell          |                                                                          |             
      Infiltration Cellular, Plasma Cell   |                                                          2               |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Pigmentation                         |    1                                2  1                                 |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +     +  M  +  +  +  +  +  +  +  +  +  +  M|             
      Atrophy                              | 3              2  2     2                                   2            |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia                          |                                                                          |             
      Hyperplasia, Reticulum Cell          | 3                                                                        |             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Histiocyte    | 1  1  2        2  2  2  2     2     1     1              1     2  2      |             
      Infiltration Cellular, Mixed Cell    |                                                 2                        |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hematopoietic Cell Proliferation     | 2  2  3  3  3  4     3  2  2  2     3  3  3  3  3  4  2  2  3  3  2  4  3|             
      Infarct                              |                                                                      3   |             
      Pigmentation                         |                   1  2                 1                 2               |             
      Lymphoid Follicle, Atrophy           |                2                 2                                       |             
      Lymphoid Follicle, Hyperplasia       | 3                             2     1     2           1        2        1|             
      Lymphoid Follicle, Necrosis          |             2                                                            |             
                                            __________________________________________________________________________|             
   Thymus                                  | M  +  M  +  +  +  +  +  +  +  I  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page 104                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 4| 3| 1| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3|             
                                           | 6| 5| 5| 7| 9| 6| 5| 6| 5| 5| 6| 9| 6| 7| 7| 6| 7| 7| 6| 6| 6| 7| 7| 9| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|             
    10 GAUSS                               | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
       INTER                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Atrophy                              |             4  2  1              2                                   4   |             
      Cyst, Focal                          |                            2                                            2|             
      Hemorrhage                           |                                                                          |             
      Hyperplasia, Lymphoid                |                3                    2  2  2                       1     1|             
      Artery, Inflammation                 |                                                                          |             
      Thymocyte, Necrosis                  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                    2                     |             
      Duct, Dilatation                     |       2        1                                                         |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                                                          |             
      Artery, Inflammation                 |                                                 2                        |             
      Thalamus, Mineralization             | 2  2  2     2  1     2  1     2     2  1  2  2     2     2  2  2  2     1|             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |                                                                          |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fibrosis                             |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Infiltration Cellular, Lymphocyte    | 2                                   2           2     2        2  2      |             
      Inflammation, Focal                  |                                                 1                        |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           |                                                                          |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Artery, Inflammation                 |                                                 3                        |             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |             +                                                            |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                      2     2                 1              1     1      |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      | 1                             2     2                 2                  |             
 _____________________________________________________________________________________________________________________|             

                                                             Page 105                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 4| 3| 1| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3|             
                                           | 6| 5| 5| 7| 9| 6| 5| 6| 5| 5| 6| 9| 6| 7| 7| 6| 7| 7| 6| 6| 6| 7| 7| 9| 5|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|             
    10 GAUSS                               | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|             
       INTER                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM - cont              |                                                                          |             
                                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hydronephrosis                       |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Bilateral, Artery, Cortex,           |                                                                          |             
          Inflammation                     |                                                 2                        |             
      Bilateral, Cortex, Infiltration      |                                                                          |             
          Cellular, Lymphocyte             |                                                                          |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Accumulation, Hyaline Droplet   |                                                                          |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Degeneration                    |    2           2                                                         |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Dilatation                      |                                                                          |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Vacuolization Cytoplasmic       |                   3                                                      |             
      Bilateral, Glomerulus, Inflammation  |                                                                          |             
      Bilateral, Medulla, Infiltration     |                                                                          |             
          Cellular, Lymphocyte             | 1  1  1                       1                    2              2     1|             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |                                                                   1      |             
      Cortex, Metaplasia, Focal, Osseous   |                                              1                           |             
      Cortex, Necrosis                     |                                                                          |             
      Cortex, Renal Tubule, Degeneration   |          1                                                               |             
      Medulla, Infiltration Cellular,      |                                                                          |             
          Lymphocyte                       |                1           2        1  2  2  2                           |             
      Medulla, Mineralization              |                                                                          |             
      Pelvis, Calculus Micro Observation   |                                                                          |             
          Only                             |                                     X                                    |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  M  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                   3                    2        2                        |             
      Arteriole, Inflammation              |                                                                          |             
      Serosa, Inflammation, Chronic Active |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page 106                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 4| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 1| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 5| 3| 3|             
                                           | 7| 7| 5| 5| 7| 6| 0| 1| 6| 7| 5| 7| 5| 7| 6| 9| 6| 6| 6| 0| 7| 6| 8| 6| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|             
    10 GAUSS                               | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
       INTER                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Epithelium, Hyperplasia, Focal       |                                                                          |             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Epithelium, Cyst                     |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +|             
      Lymphoid Tissue, Hyperplasia         | 1           1           1  2  2  1                 2        1  2         |             
      Lymphoid Tissue, Necrosis            |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  +  A  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
      Peyer's Patch, Hyperplasia           |             1                                                            |             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation                         |                                                                          |             
      Muscularis, Hypertrophy              |                                                                          |             
      Peyer's Patch, Hyperplasia           |                2                                      3                 2|             
      Peyer's Patch, Necrosis, Lymphoid    |                                                       2                  |             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +|             
      Inflammation                         |                                                                          |             
      Artery, Inflammation                 |                                                                          |             
      Muscularis, Hypertrophy              |                                                 3                 3      |             
      Peyer's Patch, Hyperplasia           |                                  3  3                                2   |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                 3                        |             
      Basophilic Focus, Multiple           |                                                                          |             
      Clear Cell Focus                     |                                                                          |             
      Clear Cell Focus, Multiple           | 3                                                                        |             
      Developmental Malformation           |                                                                          |             
      Eosinophilic Focus                   |    2     2                    2                                3         |             
      Hematopoietic Cell Proliferation     |                                                                          |             
      Infiltration Cellular, Focal,        |                                                                          |             
          Lymphocyte                       |                                                                          |             
      Infiltration Cellular, Focal,        |                                                                          |             
          Polymorphonuclear                |                                                                          |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |       1     1  1           1     2                    3  1           1  2|             
      Necrosis                             |                                                       3  2               |             
      Pigmentation                         |                                                                          |             
      Hepatocyte, Vacuolization Cytoplasmic|       2                       2     1                    3              2|             
      Sinusoid, Centrilobular, Dilatation  |                                                                          |             
                                            __________________________________________________________________________|             
   Mesentery                               |    +           +  +     +        +           +     +  +  +     +  +      |             
      Inflammation                         |                   3                                                      |             
      Arteriole, Inflammation              |                                                                          |             
      Fat, Inflammation                    |                                                       2        2  2      |             
      Fat, Necrosis                        |    2           2        3        3                 3     3               |             
 _____________________________________________________________________________________________________________________|             

                                                             Page 107                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 4| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 1| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 5| 3| 3|             
                                           | 7| 7| 5| 5| 7| 6| 0| 1| 6| 7| 5| 7| 5| 7| 6| 9| 6| 6| 6| 0| 7| 6| 8| 6| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|             
    10 GAUSS                               | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
       INTER                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |             2           2                                                |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Inflammation                         |                                                                          |             
      Lipomatosis                          |          2  1           2        3  1           3     1  2     2         |             
      Vacuolization Cytoplasmic            |                                  2        1                 2  2         |             
      Acinus, Cytoplasmic Alteration       |                                                                   3      |             
      Acinus, Hypertrophy, Focal           |                                                                          |             
      Artery, Inflammation                 |                                                                          |             
      Duct, Cyst                           |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +|             
      Fibrosis                             |                                                                          |             
      Infiltration Cellular, Lymphocyte    |       2  1  1  2           2  2  2  2  2  2        2  2     2     2     2|             
      Infiltration Cellular, Mixed Cell    |                         2                                                |             
      Arteriole, Inflammation              |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                     1                                    |             
      Inflammation                         |                                                                          |             
      Ulcer, Focal                         |                   2                                                      |             
      Epithelium, Atrophy                  |                2                                                         |             
      Epithelium, Hyperplasia              |    1                       1                                             |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  A  M  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |          1                 1        1                                    |             
      Ulcer, Focal                         |                                                                          |             
      Epithelium, Atrophy                  | 1           2  2                          1           2     1  1        1|             
      Epithelium, Cyst, Focal              |          1     1           2           2                          2      |             
      Serosa, Hemorrhage                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +|             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Artery, Inflammation                 |                               1                                          |             
      Myocardium, Degeneration             |                                  1                                       |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hematopoietic Cell Proliferation     |                                                                          |             
      Bilateral, Capsule, Hyperplasia      | 3  3  2  3  2  2     2  2  2  2  2  2  3  2  2  3  2  2     3  3  2  2  2|             
      Bilateral, Zona Reticularis,         |                                                                          |             
          Degeneration, Fatty              |    3                                                                     |             
      Capsule, Hyperplasia                 |                                                          3               |             
      Zona Fasciculata, Hyperplasia, Focal |                                                                          |             
      Zona Reticularis, Degeneration, Fatty|                                                       2                  |             
 _____________________________________________________________________________________________________________________|             

                                                             Page 108                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 4| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 1| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 5| 3| 3|             
                                           | 7| 7| 5| 5| 7| 6| 0| 1| 6| 7| 5| 7| 5| 7| 6| 9| 6| 6| 6| 0| 7| 6| 8| 6| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|             
    10 GAUSS                               | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
       INTER                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                                          |             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |    1  1  1              1     1     1  1  1           1  1     2  2      |             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                                  2                                       |             
      Infiltration Cellular, Lymphocyte    |                               1                                          |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | M  M  +  +  +  M  +  M  +  +  M  M  +  M  +  +  +  +  M  M  +  +  +  +  +|             
      Hyperplasia                          |                                                                   2     1|             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Vacuolization Cytoplasmic            |                                                                          |             
                                            __________________________________________________________________________|             
   Pineal Gland                            | +  +  +  +  M  +  +  +  +  +  +  M  +  +  +  +  +  +  +  M  +  +  M  +  M|             
      Hyperplasia                          |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  I  +  +  +  +  +|             
      Pars Distalis, Cyst                  | 2                       2                                            2   |             
      Pars Distalis, Hyperplasia, Focal    |                         3                 2        2        3        1   |             
      Pars Distalis, Hypertrophy, Focal    |    4                                                                     |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Focal                  |                                                                          |             
      Follicle, Cyst                       |    1  1           3     1  2        2     2  2     3                     |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Clitoral Gland                          | +  +  +  +  +  +  +  M  +  +  +  +  M  +  +  +  +  +  +  M  +  +  M  +  +|             
      Atrophy                              | 4                             3        3              3                  |             
      Cyst                                 | 2                                      3                                 |             
      Inflammation                         |                                                                          |             
      Bilateral, Atrophy                   |    2  3  3  4  3        4  4     3              4  4           3     4  4|             
      Bilateral, Cyst                      |    3  2  2  2  2        1  3  2  2              3  2  2     2  2        3|             
                                            __________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +|             
      Amyloid Deposition                   |                                                                          |             
      Angiectasis                          |                                                                          |             
      Atrophy                              |                                                                          |             
      Cyst                                 |                         3  1  2  3        4                              |             
      Hemorrhage                           |                                                                          |             
      Thrombosis                           |                                                                          |             
      Bilateral, Atrophy                   |       2                                                                  |             
      Bilateral, Cyst                      |                                                                          |             
      Interstitial Cell, Hyperplasia       |                                                                          |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Amyloid Deposition                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page 109                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 4| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 1| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 5| 3| 3|             
                                           | 7| 7| 5| 5| 7| 6| 0| 1| 6| 7| 5| 7| 5| 7| 6| 9| 6| 6| 6| 0| 7| 6| 8| 6| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|             
    10 GAUSS                               | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
       INTER                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
      Angiectasis                          |                                                             3            |             
      Hydrometra                           |       3        3     3  3                          3  4                  |             
      Bilateral, Hydrometra                | 3  4                          3  3  3     2  2                       3   |             
      Bilateral, Endometrium, Hyperplasia, |                                                                          |             
           Cystic                          |          2  1              3           3        3              2  2      |             
      Endometrium, Hyperplasia, Cystic     |                   2     3                 2        2  2                  |             
                                            __________________________________________________________________________|             
   Vagina                                  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |                                                                          |             
      Hyperplasia                          |                   3                 1           3        2           1   |             
      Myelofibrosis                        | 2                                                  2  2              3   |             
                                            __________________________________________________________________________|             
   Lymph Node                              |                   +           +                                          |             
      Ectasia                              |                                                                          |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia, Reticulum Cell          |                                                                          |             
      Infiltration Cellular, Histiocyte    |                               1                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                                 1                        |             
      Hemorrhage                           |                               2                                          |             
      Hyperplasia                          |                                                                         3|             
      Hyperplasia, Reticulum Cell          |                                                                          |             
      Infiltration Cellular, Plasma Cell   |                                                                          |             
      Infiltration Cellular, Mixed Cell    |                                                                          |             
      Pigmentation                         |    2     2  1                       1           2                       2|             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              | 2  2  2  2     2                          3           2           2     2|             
      Hemorrhage                           |                                  2                                       |             
      Hyperplasia                          |                                  2                                       |             
      Hyperplasia, Reticulum Cell          |                                                                          |             
      Infiltration Cellular, Plasma Cell   |                                                             2            |             
      Infiltration Cellular, Histiocyte    | 2  2  2  1     2           2  1  2                 2     2     2  2      |             
      Infiltration Cellular, Mixed Cell    |                                     3                                    |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hematopoietic Cell Proliferation     | 2  3  3  3  2  2     2  2  3  2  3  3  2  2  4  3  2  1  4  3  2  3  2  3|             
      Infarct                              |                                                                          |             
      Pigmentation                         |                                                       2     2        1   |             
      Lymphoid Follicle, Atrophy           |                      3                                                   |             
      Lymphoid Follicle, Hyperplasia       | 2     3  2  1  3              3        2              2        1        2|             
      Lymphoid Follicle, Necrosis          |                                                                          |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  +  +  +  +  +  M  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page 110                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 4| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 1| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 5| 3| 3|             
                                           | 7| 7| 5| 5| 7| 6| 0| 1| 6| 7| 5| 7| 5| 7| 6| 9| 6| 6| 6| 0| 7| 6| 8| 6| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|             
    10 GAUSS                               | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
       INTER                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Atrophy                              |       1        1                    3                    4     2         |             
      Cyst, Focal                          | 2                                                                        |             
      Hemorrhage                           |                                                                          |             
      Hyperplasia, Lymphoid                | 2     1  1  1  1                 2                             1  1      |             
      Artery, Inflammation                 |                               2                                          |             
      Thymocyte, Necrosis                  |                                                                   3      |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                                          |             
      Duct, Dilatation                     |                                                          1               |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Focal, Mixed  |                                                                          |             
          Cell                             |                               1                                          |             
      Artery, Inflammation                 |                                                                          |             
      Thalamus, Mineralization             | 2  2     2  2     2  1  2  2     1           2  3  1     2     1  2  1   |             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |                                                                          |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fibrosis                             |                                                                          |             
      Hemorrhage                           |                                           2                              |             
      Infiltration Cellular, Lymphocyte    |                               1                       2     2     2  2   |             
      Inflammation, Focal                  |                                                                          |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           |                                                                          |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Artery, Inflammation                 |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                                                                          |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                               2           2     1              1  2      |             
      Bilateral, Infiltration Cellular,    |                                                                          |             
           Lymphocyte                      |          1                       2  1                       1            |             
 _____________________________________________________________________________________________________________________|             

                                                             Page 111                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 4| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 1| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 5| 3| 3|             
                                           | 7| 7| 5| 5| 7| 6| 0| 1| 6| 7| 5| 7| 5| 7| 6| 9| 6| 6| 6| 0| 7| 6| 8| 6| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|             
    10 GAUSS                               | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5|             
       INTER                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM - cont              |                                                                          |             
                                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hydronephrosis                       |                                              1                           |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Bilateral, Artery, Cortex,           |                                                                          |             
          Inflammation                     |                                                                          |             
      Bilateral, Cortex, Infiltration      |                                                                          |             
          Cellular, Lymphocyte             |       2                                                                  |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Accumulation, Hyaline Droplet   |                                              4                           |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Degeneration                    |                                           2     1        2               |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Dilatation                      |                                                                          |             
      Bilateral, Cortex, Renal Tubule,     |                                                                          |             
           Vacuolization Cytoplasmic       |                                                          3               |             
      Bilateral, Glomerulus, Inflammation  |                                                                          |             
      Bilateral, Medulla, Infiltration     |                                                                          |             
          Cellular, Lymphocyte             |          1  2  1        2  1        2     1        2           1  1  2  1|             
      Cortex, Infiltration Cellular,       |                                                                          |             
          Lymphocyte                       |             1                          1              1                 2|             
      Cortex, Metaplasia, Focal, Osseous   |                                                                          |             
      Cortex, Necrosis                     |                                                                          |             
      Cortex, Renal Tubule, Degeneration   |                                                                          |             
      Medulla, Infiltration Cellular,      |                                                                          |             
          Lymphocyte                       |                               2  2                    1                  |             
      Medulla, Mineralization              |                                                                          |             
      Pelvis, Calculus Micro Observation   |                                                                          |             
          Only                             |                                                                          |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  A  A  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Arteriole, Inflammation              |                                                                          |             
      Serosa, Inflammation, Chronic Active |                                                                          |             
 _____________________________________________________________________________________________________________________|             

                                                             Page 112                                                               
NTP Experiment-Test: 89029-06                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       MAGNETIC FIELDS (EMF)                                   Date: 01/09/98  
Route: MAGNETIC FIELDS                                                                                            Time: 12:40:07  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 5| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 5| 6| 7| 6| 7| 7| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 3| 0| 0| 3| 5| 7| 6| 0| 3| 7| 3| 3| 3| 3|             
                                           | 5| 5| 4| 6| 7| 7| 6| 5| 6| 7| 6| 7| 1| 4| 6| 6| 6| 7| 7| 5| 3| 5| 7| 5| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|             
    10 GAUSS                               | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|             
       INTER                               | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Epithelium, Hyperplasia, Focal       |                                                                          |             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  +  +  +  +  A  +  +  +  +  +  +  +  A  +  +  A  +  A  +  M  +  +  +  +|             
      Epithelium, Cyst                     |                   2                                            2        1|             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  A  +  +  +  +  +  +  +  A  +  +  A  +  A  +  +  +  +  +  +|             
      Lymphoid Tissue, Hyperplasia         |       2                          1        2        2     1  2     2      |             
      Lymphoid Tissue, Necrosis            |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  A  +  +  +  +  +  +  +  A  +  +  A  +  A  +  +  +  +  +  +|             
      Peyer's Patch, Hyperplasia           |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  A  +  A  +  +  +  +  +  +|             
      Inflammation                         |                                                                          |             
      Muscularis, Hypertrophy              |                               3        2  3                              |             
      Peyer's Patch, Hyperplasia           |                      1                                         1  2      |             
      Peyer's Patch, Necrosis, Lymphoid    |                                                                          |