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TR 387 Rat Pathology Tables

NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01
Route: DOSED FEED                                                                                                 Time: 10:01:32




       Facility:  BIORELIANCE

       Chemical CAS #:  60-13-9

       Lock Date:  None

       Cage Range:  All

       Reasons For Removal:    All

       Removal Date Range:     All

       Treatment Groups:       Include All






































                                                              Page   1


NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 6| 6| 5| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 4|             
                             DAY ON TEST   | 3| 9| 5| 4| 7| 3| 3| 3| 3| 1| 3| 3| 3| 3| 4| 3| 3| 1| 6| 9| 3| 3| 2| 1| 8|             
                                           | 1| 4| 5| 1| 8| 1| 1| 1| 1| 9| 1| 1| 1| 1| 7| 1| 1| 9| 6| 3| 1| 1| 6| 0| 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|             
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
    VEHICLE                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |__________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A|             
                                           |__________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer                                |                                                                   2      |             
                                           |__________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer, Chronic                       |                                                                   3      |             
                                           |__________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A|             
                                           |__________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Basophilic Focus                     |                                                                          |             
      Fatty Change                         |    4        2              3              3              2        2  3  1|             
      Focal Cellular Change                | X     X  X     X  X  X  X  X  X  X     X     X  X  X  X  X  X  X  X      |             
      Granuloma                            |                                                    2                     |             
      Hematopoietic Cell Proliferation,    |                                                                          |             
           Multifocal                      |                                                                          |             
      Hepatodiaphragmatic Nodule           | X                             X                                      X   |             
      Hyperplasia, Multifocal              |                                  4                                       |             
      Infiltration Cellular, Multifocal,   |                                                                          |             
           Lymphocyte                      |                                                                          |             
      Inflammation, Chronic, Multifocal    | 2        1     2     1  2  2  1  2  4  2  1     1  1           2         |             
      Bile Duct, Hyperplasia, Multifocal   |                2              1  2  1           2           2  2  2  3   |             
                                           |__________________________________________________________________________|             
   Mesentery                               |                                        +     +     +                     |             
      Fat, Necrosis                        |                                        4     3     3                     |             
                                           |__________________________________________________________________________|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page   2                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 6| 6| 5| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 4|             
                             DAY ON TEST   | 3| 9| 5| 4| 7| 3| 3| 3| 3| 1| 3| 3| 3| 3| 4| 3| 3| 1| 6| 9| 3| 3| 2| 1| 8|             
                                           | 1| 4| 5| 1| 8| 1| 1| 1| 1| 9| 1| 1| 1| 1| 7| 1| 1| 9| 6| 3| 1| 1| 6| 0| 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|             
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
    VEHICLE                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Metaplasia, Focal                    |                                                       1                  |             
      Acinus, Atrophy, Diffuse             |                         3                                   2            |             
      Acinus, Atrophy, Focal               |                                                                1  1      |             
      Acinus, Atrophy, Multifocal          |                               2     2           2                        |             
      Acinus, Focal Cellular Change        |                                  2                                       |             
                                           |__________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Diffuse, Squamous       |             2                             2                              |             
      Hyperplasia, Focal, Squamous         |                                                                          |             
      Inflammation, Acute                  |                                           2                              |             
      Ulcer, Multiple                      |             3                                                            |             
                                           |__________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Erosion, Focal                       |                                                                2         |             
                                           |__________________________________________________________________________|             
   Tongue                                  |                                                          +               |             
      Abscess                              |                                                          3               |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cardiomyopathy, Multifocal           | 1        2     1  1  1  1  1        2        1     2     2  1  2  2  1   |             
      Mineralization, Multifocal           |                                                          4              2|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |__________________________________________________________________________|             
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Degeneration, Focal                  | 2                             1              1     1                     |             
      Degeneration, Multifocal             |    2                                                                     |             
      Fibrosis, Focal                      |                                                       2                  |             
      Hematocyst                           |                                                                          |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page   3                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 6| 6| 5| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 4|             
                             DAY ON TEST   | 3| 9| 5| 4| 7| 3| 3| 3| 3| 1| 3| 3| 3| 3| 4| 3| 3| 1| 6| 9| 3| 3| 2| 1| 8|             
                                           | 1| 4| 5| 1| 8| 1| 1| 1| 1| 9| 1| 1| 1| 1| 7| 1| 1| 9| 6| 3| 1| 1| 6| 0| 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|             
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
    VEHICLE                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
      Hematopoietic Cell Proliferation,    |                                                                          |             
           Multifocal                      |                                                                          |             
      Hyperplasia, Focal                   |                1  1     1                       2                        |             
      Hyperplasia, Multifocal              |                                                       3                  |             
      Necrosis, Multifocal                 |                                                                         2|             
                                           |__________________________________________________________________________|             
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Focal                   |                   3                                                      |             
      Hyperplasia, Multifocal              |                                     4                                4   |             
                                           |__________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Focal                   |                                                                          |             
                                           |__________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Pars Distalis, Angiectasis, Focal    |                         1                                                |             
      Pars Distalis, Cyst                  |                                     2        3        2     2  2        2|             
      Pars Distalis, Hyperplasia, Focal    |             1                                         4              2   |             
                                           |__________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      C-Cell, Hyperplasia, Diffuse         |                      1                                                   |             
      C-Cell, Hyperplasia, Focal           |             2     2                                                  3   |             
      C-Cell, Hyperplasia, Multifocal      |    1                    2     1  2                          1  1         |             
      Follicle, Cyst                       |                                        2                                 |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Clitoral Gland                          | +  +  +  +  +  +  M  +  +  +  +  +  +  M  +  M  M  +  M  +  +  +  +  +  +|             
      Ectasia                              |                                                             2            |             
      Hyperplasia, Focal                   |                         3     1                                          |             
      Hyperplasia                          |                                                             2            |             
      Inflammation, Acute, Focal           |                                                                          |             
      Inflammation, Chronic, Focal         |    1                                                                     |             
      Inflammation, Chronic, Multifocal    |                         2           2                                    |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page   4                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 6| 6| 5| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 4|             
                             DAY ON TEST   | 3| 9| 5| 4| 7| 3| 3| 3| 3| 1| 3| 3| 3| 3| 4| 3| 3| 1| 6| 9| 3| 3| 2| 1| 8|             
                                           | 1| 4| 5| 1| 8| 1| 1| 1| 1| 9| 1| 1| 1| 1| 7| 1| 1| 9| 6| 3| 1| 1| 6| 0| 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|             
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
    VEHICLE                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cyst                                 |       X           X                    2           X                     |             
      Inflammation, Chronic, Multifocal    |                                                                          |             
                                           |__________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Dilatation                           |             3                                                            |             
      Cervix, Cyst                         |                      2                 4                                 |             
      Cervix, Inflammation, Chronic        |                                                                          |             
      Cervix, Inflammation, Chronic Active |                         4                                                |             
      Cervix, Metaplasia, Squamous         |                         3                                                |             
      Endometrium, Cyst, Multiple          |    1                                                                     |             
      Endometrium, Hyperplasia             |                                                                          |             
      Lumen, Hemorrhage                    |                                                                          |             
                                           |__________________________________________________________________________|             
   Vagina                                  |             +                                                            |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                            2                                             |             
      Hyperplasia                          |             2                    2  2  2                       3  2  2   |             
      Myelofibrosis, Multifocal            |                                                                          |             
                                           |__________________________________________________________________________|             
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Chronic                |                      2                                                   |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Lymphoid                |                         2                                                |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  M     +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage                           |                                     2                                    |             
      Hyperplasia, Lymphoid                |                                                                   2      |             
      Infiltration Cellular, Histiocyte    | 2  2     2                    2     2                 2     2            |             
                                           |__________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hematopoietic Cell Proliferation     |                                     2                          2         |             
      Infarct                              |                                  1                             2         |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page   5                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 6| 6| 5| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 4|             
                             DAY ON TEST   | 3| 9| 5| 4| 7| 3| 3| 3| 3| 1| 3| 3| 3| 3| 4| 3| 3| 1| 6| 9| 3| 3| 2| 1| 8|             
                                           | 1| 4| 5| 1| 8| 1| 1| 1| 1| 9| 1| 1| 1| 1| 7| 1| 1| 9| 6| 3| 1| 1| 6| 0| 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|             
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
    VEHICLE                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
      Pigmentation                         |                                                          2               |             
      Lymphoid Follicle, Atrophy           |                                                                   3      |             
      Lymphoid Follicle, Hyperplasia, Focal|                3                       4                                 |             
                                           |__________________________________________________________________________|             
   Thymus                                  | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
      Acinus, Hyperplasia, Focal           |                2                                                         |             
      Duct, Ectasia                        |    2     2     2           2  2  2  2        2  2  3     2  2  3  1  1   |             
                                           |__________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Chronic                |                                        3                                 |             
      Subcutaneous Tissue, Hemorrhage      |                                                                          |             
      Subcutaneous Tissue, Inflammation,   |                                                                          |             
           Chronic Active, Focal           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperostosis                         |    3           2                                                         |             
      Osteomalacia                         |                                                                         2|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cerebrum, Hydrocephalus              |                                                    2                     |             
      Cerebrum, Infiltration Cellular,     |                                                                          |             
           Focal, Lymphocyte               |                                                                          |             
      Hypothalamus, Compression            |          2                                4        3                     |             
                                           |__________________________________________________________________________|             
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cyst                                 |                2                                                         |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |__________________________________________________________________________|             
   Larynx                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page   6                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 6| 6| 5| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 4|             
                             DAY ON TEST   | 3| 9| 5| 4| 7| 3| 3| 3| 3| 1| 3| 3| 3| 3| 4| 3| 3| 1| 6| 9| 3| 3| 2| 1| 8|             
                                           | 1| 4| 5| 1| 8| 1| 1| 1| 1| 9| 1| 1| 1| 1| 7| 1| 1| 9| 6| 3| 1| 1| 6| 0| 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|             
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
    VEHICLE                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 RESPIRATORY SYSTEM - cont                 |                                                                          |             
                                           |__________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                                                                         2|             
      Infiltration Cellular, Multifocal,   |                                                                          |             
           Histiocyte                      |    1     1     1     1  1     1  1  1              1  1        1         |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           |          2                                                               |             
      Interstitium, Inflammation, Chronic, |                                                                          |             
           Focal                           |                                                                          |             
      Peribronchial, Hyperplasia, Lymphoid |                                                                          |             
      Pleura, Inflammation, Chronic, Focal |    1                                                                     |             
      Pleura, Inflammation, Multifocal,    |                                                                          |             
           Proliferative                   |                                                                          |             
                                           |__________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Foreign Body                         |                                                                          |             
      Fungus                               |       X                                                                  |             
      Mucosa, Cytoplasmic Alteration,      |                                                                          |             
          Multifocal                       | 1  1           1  1  1  1     1     1        1  1     1     1  1  1  1   |             
      Mucosa, Inflammation, Acute,         |                                                                          |             
          Multifocal                       |                                                                          |             
      Mucosa, Inflammation, Chronic,       |                                                                          |             
          Multifocal                       |                         1                                                |             
      Mucosa, Inflammation, Chronic Active,|                                                                          |             
           Multifocal                      |                                                                          |             
      Mucosa, Inflammation, Multifocal,    |                                                                          |             
           Subacute                        |       1                    2                                             |             
      Mucosa, Metaplasia, Focal, Squamous  |                                                                          |             
      Nasolacrimal Duct, Inflammation,     |                                                                          |             
           Chronic                         |                                                                          |             
      Nasolacrimal Duct, Inflammation,     |                                                                          |             
           Chronic Active                  |                   2              2                                       |             
                                           |__________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Ear                                     |                                                                          |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page   7                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 6| 6| 5| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 4|             
                             DAY ON TEST   | 3| 9| 5| 4| 7| 3| 3| 3| 3| 1| 3| 3| 3| 3| 4| 3| 3| 1| 6| 9| 3| 3| 2| 1| 8|             
                                           | 1| 4| 5| 1| 8| 1| 1| 1| 1| 9| 1| 1| 1| 1| 7| 1| 1| 9| 6| 3| 1| 1| 6| 0| 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|             
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
    VEHICLE                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 SPECIAL SENSES SYSTEM - cont              |                                                                          |             
                                           |__________________________________________________________________________|             
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lens, Cataract                       |                               4                                   2  3   |             
      Retina, Atrophy                      | 1                 1     1     4  2                    1              2   |             
      Sclera, Metaplasia, Focal, Osseous   |                2  1                 1           1     1     1        1   |             
      Sclera, Metaplasia, Multifocal,      |                                                                          |             
          Osseous                          | 1                                1                             1         |             
                                           |__________________________________________________________________________|             
   Zymbal's Gland                          |                                                                +         |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Nephropathy, Chronic, Multifocal     | 3  1  1  2     2  1  2  1  1  2  1     2           1                     |             
      Papilla, Necrosis                    |                                                                         4|             
      Pelvis, Mineralization, Multifocal   |                                                       1                  |             
      Renal Tubule, Pigmentation           |                                                                      2   |             
                                           |__________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Subacute               |                                                                         2|             
      Transitional Epithelium, Hyperplasia |                                                                         3|             
 __________________________________________|__________________________________________________________________________              
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                             Page   8                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6|            |
                             DAY ON TEST   | 3| 3| 3| 0| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 7| 3| 3| 3| 3| 7|            |
                                           | 1| 1| 1| 1| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ulcer                                |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ulcer, Chronic                       |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|  47        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Basophilic Focus                     |                                                                         1|      1  1.0|
      Fatty Change                         |          2  3                             4                             2|     12  2.6|
      Focal Cellular Change                | X  X  X  X     X  X  X  X  X  X  X  X  X  X  X  X  X  X  X  X  X  X  X   |     42     |
      Granuloma                            |                                                                          |      1  2.0|
      Hematopoietic Cell Proliferation,    |                                                                          |            |
           Multifocal                      |                                                          1               |      1  1.0|
      Hepatodiaphragmatic Nodule           |    X                                            X                        |      5     |
      Hyperplasia, Multifocal              |                                                                          |      1  4.0|
      Infiltration Cellular, Multifocal,   |                                                                          |            |
           Lymphocyte                      |                                                                2         |      1  2.0|
      Inflammation, Chronic, Multifocal    |          1     1  2  2  2  2  2  1              1  1  1     1  1        1|     28  1.5|
      Bile Duct, Hyperplasia, Multifocal   | 1  2  1  2  3     2  1  2  2     1  2  2     2        2     1     2  2  1|     27  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   9                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6|            |
                             DAY ON TEST   | 3| 3| 3| 0| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 7| 3| 3| 3| 3| 7|            |
                                           | 1| 1| 1| 1| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mesentery                               |    +                                         +                 +         |   6        |
      Fat, Necrosis                        |    4                                         3                 2         |      6  3.2|
                                           |__________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Metaplasia, Focal                    |                                        1                                 |      2  1.0|
      Acinus, Atrophy, Diffuse             |                                                                          |      2  2.5|
      Acinus, Atrophy, Focal               |          2  1        2                 1        2           2        2  2|     10  1.6|
      Acinus, Atrophy, Multifocal          |                            2                 2        1                  |      6  1.8|
      Acinus, Focal Cellular Change        |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +|  48        |
                                           |__________________________________________________________________________|____________|
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Hyperplasia, Diffuse, Squamous       |                                                                          |      2  2.0|
      Hyperplasia, Focal, Squamous         |             4                                                            |      1  4.0|
      Inflammation, Acute                  |                                                                          |      1  2.0|
      Ulcer, Multiple                      |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Erosion, Focal                       |             2                                                            |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Tongue                                  |                                                                          |   1        |
      Abscess                              |                                                                          |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Cardiomyopathy, Multifocal           | 2  1  2           1  2     2  1        1     2     2        3  2  1  2  1|     30  1.5|
      Mineralization, Multifocal           |                                                                          |      2  3.0|
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE 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  10                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6|            |
                             DAY ON TEST   | 3| 3| 3| 0| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 7| 3| 3| 3| 3| 7|            |
                                           | 1| 1| 1| 1| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Degeneration, Focal                  |                1                                   2     1  4           1|      9  1.6|
      Degeneration, Multifocal             |                                                                          |      1  2.0|
      Fibrosis, Focal                      |                                                                          |      1  2.0|
      Hematocyst                           |                                                       3                  |      1  3.0|
      Hematopoietic Cell Proliferation,    |                                                                          |            |
           Multifocal                      |                                           2                              |      1  2.0|
      Hyperplasia, Focal                   |       1                                                           1      |      6  1.2|
      Hyperplasia, Multifocal              | 2                       1                                   2  2         |      5  2.0|
      Necrosis, Multifocal                 |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Adrenal Gland, Medulla                  | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Hyperplasia, Focal                   |                                                          1               |      2  2.0|
      Hyperplasia, Multifocal              |                               2        1                                 |      4  2.8|
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperplasia, Focal                   |                                                       4                  |      1  4.0|
                                           |__________________________________________________________________________|____________|
   Parathyroid Gland                       | +  +  +  +  +  +  +  M  M  +  M  +  +  +  +  +  +  +  +  +  M  +  +  +  +|  45        |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Pars Distalis, Angiectasis, Focal    |          2                                                               |      2  1.5|
      Pars Distalis, Cyst                  |                2     2              3                          2  2      |     11  2.2|
      Pars Distalis, Hyperplasia, Focal    |                      2                             2                     |      5  2.2|
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      C-Cell, Hyperplasia, Diffuse         |                                                                          |      1  1.0|
      C-Cell, Hyperplasia, Focal           |                                                             2            |      4  2.3|
      C-Cell, Hyperplasia, Multifocal      |                                                                      3   |      7  1.6|
      Follicle, Cyst                       |                                                                          |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  11                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6|            |
                             DAY ON TEST   | 3| 3| 3| 0| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 7| 3| 3| 3| 3| 7|            |
                                           | 1| 1| 1| 1| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Clitoral Gland                          | +  +  +  +  +  +  +  M  +  M  +  M  +  M  +  +  +  +  +  M  +  +  +  M  +|  39        |
      Ectasia                              |                                                                          |      1  2.0|
      Hyperplasia, Focal                   |                                                    3                     |      3  2.3|
      Hyperplasia                          |                                                                          |      1  2.0|
      Inflammation, Acute, Focal           | 1                                                                        |      1  1.0|
      Inflammation, Chronic, Focal         |                                              1                           |      2  1.0|
      Inflammation, Chronic, Multifocal    |                                                                          |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cyst                                 |                                                                          |      4  2.0|
      Inflammation, Chronic, Multifocal    |                                                             4            |      1  4.0|
                                           |__________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Dilatation                           |                   2                    2                                 |      3  2.3|
      Cervix, Cyst                         |                               2                                          |      3  2.7|
      Cervix, Inflammation, Chronic        |                                              3                           |      1  3.0|
      Cervix, Inflammation, Chronic Active |                      4              3                                    |      3  3.7|
      Cervix, Metaplasia, Squamous         |                      3                       3                           |      3  3.0|
      Endometrium, Cyst, Multiple          |       2                                                                  |      2  1.5|
      Endometrium, Hyperplasia             |                   2                                                      |      1  2.0|
      Lumen, Hemorrhage                    | 3                                                                        |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Vagina                                  |                                                                          |   1        |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Atrophy                              |                                                                          |      1  2.0|
      Hyperplasia                          |                                                          2               |      8  2.1|
      Myelofibrosis, Multifocal            |                               2                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Inflammation, Chronic                |                                                                          |      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  12                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6|            |
                             DAY ON TEST   | 3| 3| 3| 0| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 7| 3| 3| 3| 3| 7|            |
                                           | 1| 1| 1| 1| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  M  +  +  +  +  +  M  +  +  +|  47        |
      Hyperplasia, Lymphoid                |                                                                   2      |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +|  46        |
      Hemorrhage                           |                                                                          |      1  2.0|
      Hyperplasia, Lymphoid                |                                        2                                 |      2  2.0|
      Infiltration Cellular, Histiocyte    |                   2  2        1                                          |     10  1.9|
                                           |__________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hematopoietic Cell Proliferation     |                                                          2               |      3  2.0|
      Infarct                              |    2                                                                     |      3  1.7|
      Pigmentation                         |                                                                          |      1  2.0|
      Lymphoid Follicle, Atrophy           |                                           1                              |      2  2.0|
      Lymphoid Follicle, Hyperplasia, Focal|                4                                                         |      3  3.7|
                                           |__________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  M  +  +  +  +  +  +  +  M  +  +  +  +  M  +  +  +  +  +|  45        |
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +|  48        |
      Acinus, Hyperplasia, Focal           |                                                             2            |      2  2.0|
      Duct, Ectasia                        | 2  3  2              1        2     2     2        2  2  3  2     1      |     27  2.0|
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Inflammation, Chronic                |                                                                          |      1  3.0|
      Subcutaneous Tissue, Hemorrhage      |                                           3                              |      1  3.0|
      Subcutaneous Tissue, Inflammation,   |                                                                          |            |
           Chronic Active, Focal           |                                                       2                  |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperostosis                         |                                                                2     3   |      4  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  13                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6|            |
                             DAY ON TEST   | 3| 3| 3| 0| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 7| 3| 3| 3| 3| 7|            |
                                           | 1| 1| 1| 1| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 MUSCULOSKELETAL SYSTEM - cont             |                                                                          |            |
      Osteomalacia                         |                                                                          |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cerebrum, Hydrocephalus              |                                                                          |      1  2.0|
      Cerebrum, Infiltration Cellular,     |                                                                          |            |
           Focal, Lymphocyte               |                                                                2         |      1  2.0|
      Hypothalamus, Compression            |       2                                               4  3               |      6  3.0|
                                           |__________________________________________________________________________|____________|
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cyst                                 |                                                                          |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Congestion                           |                                                                          |      1  2.0|
      Infiltration Cellular, Multifocal,   |                                                                          |            |
           Histiocyte                      |    2              1              1  1     1           1     1     1      |     19  1.1|
      Alveolar Epithelium, Hyperplasia,    |                                                                          |            |
           Focal                           |             4                                                            |      2  3.0|
      Interstitium, Inflammation, Chronic, |                                                                          |            |
           Focal                           |                                        1                                 |      1  1.0|
      Peribronchial, Hyperplasia, Lymphoid |                                                                2         |      1  2.0|
      Pleura, Inflammation, Chronic, Focal |                                                                          |      1  1.0|
      Pleura, Inflammation, Multifocal,    |                                                                          |            |
           Proliferative                   |    1                                                                     |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Foreign Body                         |       2                                                                  |      1  2.0|
      Fungus                               |                                                                   4      |      2  4.0|
      Mucosa, Cytoplasmic Alteration,      |                                                                          |            |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  14                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6|            |
                             DAY ON TEST   | 3| 3| 3| 0| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 7| 3| 3| 3| 3| 7|            |
                                           | 1| 1| 1| 1| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
          Multifocal                       | 2  1  2     1     2  1  2  1  1  1  1  1  1  1  1  2  1  1  2     1  1  1|     37  1.2|
      Mucosa, Inflammation, Acute,         |                                                                          |            |
          Multifocal                       |       2     2                                                            |      2  2.0|
      Mucosa, Inflammation, Chronic,       |                                                                          |            |
          Multifocal                       |                                                                          |      1  1.0|
      Mucosa, Inflammation, Chronic Active,|                                                                          |            |
           Multifocal                      |                                                                   3      |      1  3.0|
      Mucosa, Inflammation, Multifocal,    |                                                                          |            |
           Subacute                        |                                                                          |      2  1.5|
      Mucosa, Metaplasia, Focal, Squamous  |                                                                   2      |      1  2.0|
      Nasolacrimal Duct, Inflammation,     |                                                                          |            |
           Chronic                         |                   2                    1                                 |      2  1.5|
      Nasolacrimal Duct, Inflammation,     |                                                                          |            |
           Chronic Active                  |                            2                          2                  |      4  2.0|
                                           |__________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Ear                                     |                         M                                                |            |
                                           |__________________________________________________________________________|____________|
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Lens, Cataract                       |       4        1           2  1  2        4  2              4     1      |     12  2.5|
      Retina, Atrophy                      |       4     2  2        2  2  2  2  2  1  2  1  2  1     2  4     2  2  1|     25  1.9|
      Sclera, Metaplasia, Focal, Osseous   |       1        1           1                                   1         |     11  1.1|
      Sclera, Metaplasia, Multifocal,      |                                                                          |            |
          Osseous                          |             1        1           1              1  1                     |      8  1.0|
                                           |__________________________________________________________________________|____________|
   Zymbal's Gland                          |                                                                          |   1        |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Nephropathy, Chronic, Multifocal     |    1  2  1  1  3  2  1     2  2  2  2  2        1  1        2  1  1  2  2|     32  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  15                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6|            |
                             DAY ON TEST   | 3| 3| 3| 0| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 7| 3| 3| 3| 3| 7|            |
                                           | 1| 1| 1| 1| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7| 1| 1| 1| 1| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 URINARY SYSTEM - cont                     |                                                                          |            |
      Papilla, Necrosis                    |                                                                          |      1  4.0|
      Pelvis, Mineralization, Multifocal   |                                                                          |      1  1.0|
      Renal Tubule, Pigmentation           | 1                                                                        |      2  1.5|
                                           |__________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Inflammation, Subacute               |                                                                          |      1  2.0|
      Transitional Epithelium, Hyperplasia |                                                                          |      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  16                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 6| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3|             
 __________________________________________|__________________________________________________________________________|             
                                           | 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|             
   FISCHER 344 RATS 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   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|             
    20 PPM                                 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |__________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Acute                  |                                                          3               |             
      Submucosa, Hemorrhage                |                                           4                              |             
                                           |__________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fatty Change                         |                                        2                                 |             
      Focal Cellular Change                | X  X  X     X  X  X  X  X  X  X  X  X     X  X  X  X  X  X  X     X  X  X|             
      Hematopoietic Cell Proliferation,    |                                                                          |             
           Multifocal                      |                2                                                         |             
      Hepatodiaphragmatic Nodule           |                   X  X        X                                1         |             
      Hyperplasia, Focal                   |    4                                                                     |             
      Hyperplasia, Multifocal              |                                              3                           |             
      Inflammation, Chronic, Multifocal    | 2     2  1                 3  1     2           1  2  2     2  2  3  2  2|             
      Bile Duct, Hyperplasia, Multifocal   | 2     2     1  1  1  2  1  2     2  1  2  2  3     2  2  2  2     1  2  2|             
      Centrilobular, Necrosis, Acute       |                                                          3               |             
                                           |__________________________________________________________________________|             
   Mesentery                               |                                                                          |             
      Fat, Necrosis                        |                                                                          |             
                                           |__________________________________________________________________________|             
   Pancreas                                | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Necrosis, Acute, Multifocal          |                                                          4               |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  17                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 6| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3|             
 __________________________________________|__________________________________________________________________________|             
                                           | 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|             
   FISCHER 344 RATS 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   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|             
    20 PPM                                 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
      Acinus, Atrophy, Diffuse             |                                  2                                       |             
      Acinus, Atrophy, Focal               |          1              1  1                                             |             
      Acinus, Atrophy, Multifocal          |                                                                          |             
                                           |__________________________________________________________________________|             
   Pharynx                                 |                                     +                                    |             
      Palate, Ulcer                        |                                     2                                    |             
                                           |__________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy, Diffuse                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer                                |                                                                          |             
                                           |__________________________________________________________________________|             
   Tooth                                   |                                                                          |             
      Abscess                              |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Blood Vessel                            |                            +              +                              |             
      Aorta, Inflammation, Chronic, Focal  |                            4                                             |             
      Artery, Thrombosis                   |                                           4                              |             
                                           |__________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cardiomyopathy, Multifocal           |       2  2     2  1  1  1                    2        2  1  1     2  1  1|             
      Inflammation, Acute, Multifocal      |                                        3                                 |             
      Atrium, Thrombosis                   |                                        3                                 |             
      Valve, Inflammation, Chronic Active  |                                        4                                 |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |__________________________________________________________________________|             
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +     +  +  +  +|             
                                           |__________________________________________________________________________|             
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +     +  +  +  +|             
      Degeneration, Focal                  |                                                                1  2      |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  18                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 6| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3|             
 __________________________________________|__________________________________________________________________________|             
                                           | 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|             
   FISCHER 344 RATS 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   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|             
    20 PPM                                 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
      Degeneration, Multifocal             |                                              2                           |             
      Hematocyst, Focal                    |                                                                      2   |             
      Hematocyst                           |                2                                                  2      |             
      Hyperplasia, Focal                   |                         1                    4        2                  |             
      Hyperplasia, Multifocal              |                3              3                                          |             
                                           |__________________________________________________________________________|             
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +     +  +  +  +|             
      Hyperplasia, Focal                   |          2                    2  2                                      2|             
      Hyperplasia, Multifocal              |                                                                          |             
                                           |__________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Focal                   |                                                                          |             
                                           |__________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Pituitary Gland                         | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Pars Distalis, Angiectasis, Focal    | 2                                               2                        |             
      Pars Distalis, Cyst                  |                         2                          2                     |             
      Pars Distalis, Hemorrhage            |                                                                          |             
      Pars Distalis, Hyperplasia, Focal    |                                                                          |             
                                           |__________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      C-Cell, Hyperplasia, Focal           |    2                                                                     |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Clitoral Gland                          | +  +  +  +  M  M  M  +  +  +  +  +  +  +  +  +  M  M  +  +  M  M  +  +  +|             
      Hyperplasia, Focal                   |                            2                                             |             
      Inflammation, Chronic, Multifocal    |                                                                   1      |             
      Inflammation, Chronic Active,        |                                                                          |             
          Multifocal                       |                                           2                              |             
                                           |__________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cyst                                 |             2        2                                   X               |             
                                           |__________________________________________________________________________|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  19                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 6| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3|             
 __________________________________________|__________________________________________________________________________|             
                                           | 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|             
   FISCHER 344 RATS 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   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|             
    20 PPM                                 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Abscess                              |                                                          3               |             
      Amyloid Deposition                   |    1                                                                     |             
      Cervix, Cyst                         |          2                                                               |             
      Cervix, Dilatation                   |                                                                      3   |             
      Cervix, Inflammation, Acute          |                                     2                                    |             
      Endometrium, Cyst, Multiple          |    2                                      2                          2   |             
                                           |__________________________________________________________________________|             
   Vagina                                  |                +                                                         |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                2                          2                              |             
      Myelofibrosis, Multifocal            |                            1                 1                           |             
                                           |__________________________________________________________________________|             
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Degeneration, Cystic, Focal          |                                                                          |             
      Pigmentation                         |                                                                          |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                                           4                              |             
      Hyperplasia, Lymphoid                |                                                                          |             
                                           |__________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                                           3                              |             
      Hematopoietic Cell Proliferation     |                                                          2               |             
      Lymphoid Follicle, Atrophy           |                                           4                              |             
      Lymphoid Follicle, Hyperplasia, Focal|                                                             3            |             
                                           |__________________________________________________________________________|             
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +|             
      Acinus, Hyperplasia, Focal           |                                                                          |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  20                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 6| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3|             
 __________________________________________|__________________________________________________________________________|             
                                           | 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|             
   FISCHER 344 RATS 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   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|             
    20 PPM                                 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 INTEGUMENTARY SYSTEM - cont               |                                                                          |             
      Duct, Ectasia                        |    2  2  2              2  2  3        3     2                          2|             
                                           |__________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer                                |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperostosis                         | 3           3                                                            |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cerebrum, Necrosis, Focal            |                                           2                              |             
      Hypothalamus, Compression            |                               2                                3         |             
                                           |__________________________________________________________________________|             
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |__________________________________________________________________________|             
   Larynx                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Multifocal,   |                                                                          |             
           Histiocyte                      | 1  1  1  1  1  1        1  1  1  1  1        1     1                     |             
      Pigmentation, Multifocal             |                                           3                              |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           | 4                                                              2         |             
      Interstitium, Inflammation, Chronic, |                                                                          |             
           Diffuse                         |                                                                          |             
      Pleura, Fibrosis, Focal              |                                           3                              |             
                                           |__________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Foreign Body                         |                                                                          |             
      Fungus                               |    2        2                       2                                    |             
      Mucosa, Cytoplasmic Alteration,      |                                                                          |             
          Multifocal                       | 2  1  1  1  2  1  1  1     2  1  2  1  2     2  2  1  1  1  1  2  2  1  1|             
      Mucosa, Inflammation, Chronic, Focal |       1                                                                  |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  21                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 6| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3|             
 __________________________________________|__________________________________________________________________________|             
                                           | 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|             
   FISCHER 344 RATS 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   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|             
    20 PPM                                 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 RESPIRATORY SYSTEM - cont                 |                                                                          |             
      Mucosa, Inflammation, Chronic Active,|                                                                          |             
           Multifocal                      |    3        2                       2                                    |             
      Mucosa, Inflammation, Multifocal,    |                                                                          |             
           Subacute                        |                                                                          |             
      Mucosa, Metaplasia, Focal, Squamous  |    2                                2                                    |             
      Nasolacrimal Duct, Inflammation,     |                                                                          |             
           Chronic                         | 1                                                           1            |             
      Nasolacrimal Duct, Inflammation,     |                                                                          |             
           Chronic Active                  |    2                                                                     |             
                                           |__________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Ear                                     |                M                                                        M|             
                                           |__________________________________________________________________________|             
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lens, Cataract                       |          4                                                               |             
      Retina, Atrophy                      |          3     1  2                                                      |             
      Sclera, Metaplasia, Focal, Osseous   |                         1           1        1                          1|             
      Sclera, Metaplasia, Multifocal,      |                                                                          |             
          Osseous                          | 1              1     2                 1           1  2  2        1  2   |             
                                           |__________________________________________________________________________|             
   Harderian Gland                         |                                                                          |             
      Inflammation, Acute                  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Bacterium                            |                                        X                                 |             
      Cyst                                 |                                              2                           |             
      Inflammation, Acute, Multifocal      |                                        4                                 |             
      Nephropathy, Chronic, Multifocal     |    2     1                    2           3           1        1     1  1|             
      Pelvis, Mineralization, Multifocal   |                         1                                                |             
      Renal Tubule, Pigmentation           |                                                                          |             
                                           |__________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 __________________________________________|__________________________________________________________________________              
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                             Page  22                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 5| 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 3| 3| 3| 3| 7| 3| 3| 4| 3| 3| 3| 3| 3| 6| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9|            |
                                           | 3| 3| 3| 3| 8| 2| 2| 0| 2| 2| 2| 2| 2| 9| 4| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M|  49        |
      Inflammation, Acute                  |                                                                          |      1  3.0|
      Submucosa, Hemorrhage                |                                                                          |      1  4.0|
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Fatty Change                         |             4                          4                                3|      4  3.3|
      Focal Cellular Change                | X  X  X  X     X  X     X  X  X  X  X        X  X  X  X  X  X  X  X  X   |     42     |
      Hematopoietic Cell Proliferation,    |                                                                          |            |
           Multifocal                      |                                                                          |      1  2.0|
      Hepatodiaphragmatic Nodule           | X  X                                                  X  X  X            |      9  1.0|
      Hyperplasia, Focal                   |                                                                      3   |      2  3.5|
      Hyperplasia, Multifocal              |                                        2                                 |      2  2.5|
      Inflammation, Chronic, Multifocal    |                2        2  1  2     3     2  2     2     1  1  1         |     25  1.8|
      Bile Duct, Hyperplasia, Multifocal   |       2  2     1  2     2        2  2  2  2     3  1  2        1  2  1  3|     36  1.8|
      Centrilobular, Necrosis, Acute       |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Mesentery                               |                                           +                              |   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  23                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 5| 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 3| 3| 3| 3| 7| 3| 3| 4| 3| 3| 3| 3| 3| 6| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9|            |
                                           | 3| 3| 3| 3| 8| 2| 2| 0| 2| 2| 2| 2| 2| 9| 4| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
      Fat, Necrosis                        |                                           3                              |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Necrosis, Acute, Multifocal          |                                                                          |      1  4.0|
      Acinus, Atrophy, Diffuse             |                                                                          |      1  2.0|
      Acinus, Atrophy, Focal               |          1                                   2                           |      5  1.2|
      Acinus, Atrophy, Multifocal          |                                                                      2   |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Pharynx                                 |                                                                          |   1        |
      Palate, Ulcer                        |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Atrophy, Diffuse                     |                                        3                                 |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ulcer                                |             2                                                            |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Tooth                                   |             +                                                            |   1        |
      Abscess                              |             3                                                            |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Blood Vessel                            |                                                                          |   2        |
      Aorta, Inflammation, Chronic, Focal  |                                                                          |      1  4.0|
      Artery, Thrombosis                   |                                                                          |      1  4.0|
                                           |__________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cardiomyopathy, Multifocal           | 3  2  2  1     1              2  2           1     1     1  2  1  2  1   |     27  1.5|
      Inflammation, Acute, Multifocal      |                                                                          |      1  3.0|
      Atrium, Thrombosis                   |                                                                          |      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  24                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 5| 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 3| 3| 3| 3| 7| 3| 3| 4| 3| 3| 3| 3| 3| 6| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9|            |
                                           | 3| 3| 3| 3| 8| 2| 2| 0| 2| 2| 2| 2| 2| 9| 4| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 CARDIOVASCULAR SYSTEM - cont              |                                                                          |            |
      Valve, Inflammation, Chronic Active  |                                                                          |      1  4.0|
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +|  48        |
                                           |__________________________________________________________________________|____________|
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +|  48        |
      Degeneration, Focal                  |                         2  2                          2           3      |      6  2.0|
      Degeneration, Multifocal             |                   2                             2                        |      3  2.0|
      Hematocyst, Focal                    |                                                                          |      1  2.0|
      Hematocyst                           |                                              2              2            |      4  2.0|
      Hyperplasia, Focal                   | 2              2                          2                       1      |      7  2.0|
      Hyperplasia, Multifocal              |                                                                2         |      3  2.7|
                                           |__________________________________________________________________________|____________|
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +|  47        |
      Hyperplasia, Focal                   |                                        1        2           1        4   |      8  2.0|
      Hyperplasia, Multifocal              |                2                                                         |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|  48        |
      Hyperplasia, Focal                   |                            2                                             |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Parathyroid Gland                       | +  +  +  +  +  +  +  +  M  M  M  +  +  +  +  M  +  M  +  +  +  +  +  +  M|  44        |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +|  48        |
      Pars Distalis, Angiectasis, Focal    |                               2                                          |      3  2.0|
      Pars Distalis, Cyst                  |                                                          2              2|      4  2.0|
      Pars Distalis, Hemorrhage            |                                                                   2      |      1  2.0|
      Pars Distalis, Hyperplasia, Focal    |                                                          2               |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      C-Cell, Hyperplasia, Focal           |                   2                                         3        2   |      4  2.3|
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 5| 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 3| 3| 3| 3| 7| 3| 3| 4| 3| 3| 3| 3| 3| 6| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9|            |
                                           | 3| 3| 3| 3| 8| 2| 2| 0| 2| 2| 2| 2| 2| 9| 4| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Clitoral Gland                          | +  +  +  +  +  +  +  M  +  M  M  +  +  +  +  +  +  +  M  +  M  +  M  +  +|  37        |
      Hyperplasia, Focal                   |                   3                                                      |      2  2.5|
      Inflammation, Chronic, Multifocal    |                                                          1               |      2  1.0|
      Inflammation, Chronic Active,        |                                                                          |            |
          Multifocal                       |    1           3                                                         |      3  2.0|
                                           |__________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cyst                                 |       X                                                                  |      4  2.0|
                                           |__________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Abscess                              |                                                                          |      1  3.0|
      Amyloid Deposition                   |                                                                          |      1  1.0|
      Cervix, Cyst                         |                                                                          |      1  2.0|
      Cervix, Dilatation                   |                                                          3               |      2  3.0|
      Cervix, Inflammation, Acute          |                                                                          |      1  2.0|
      Endometrium, Cyst, Multiple          |                                              1                           |      4  1.8|
                                           |__________________________________________________________________________|____________|
   Vagina                                  |                                                                          |   1        |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperplasia                          |                                                                          |      2  2.0|
      Myelofibrosis, Multifocal            |                                                                          |      2  1.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Degeneration, Cystic, Focal          | 1                                                                        |      1  1.0|
      Pigmentation                         |                      2                                                   |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Congestion                           |                                                                          |      1  4.0|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  26                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 5| 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 3| 3| 3| 3| 7| 3| 3| 4| 3| 3| 3| 3| 3| 6| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9|            |
                                           | 3| 3| 3| 3| 8| 2| 2| 0| 2| 2| 2| 2| 2| 9| 4| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
      Hyperplasia, Lymphoid                |                                                                2         |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Congestion                           |                                                                          |      1  3.0|
      Hematopoietic Cell Proliferation     |             2                                                            |      2  2.0|
      Lymphoid Follicle, Atrophy           |                                                                          |      1  4.0|
      Lymphoid Follicle, Hyperplasia, Focal|                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  M  +  +  +  +  +  +  +  +  +|  47        |
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Acinus, Hyperplasia, Focal           |                                           4                              |      1  4.0|
      Duct, Ectasia                        |    2  2        2        2        2     3  3     4  3           4        2|     20  2.5|
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ulcer                                |             4                                                            |      1  4.0|
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperostosis                         |    3                             3                                       |      4  3.0|
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cerebrum, Necrosis, Focal            |                                                                          |      1  2.0|
      Hypothalamus, Compression            |                      4     2              4     2     3                  |      7  2.9|
                                           |__________________________________________________________________________|____________|
   Spinal Cord                             | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
 _____________________________________________________________________________________________________________________|            |
 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  27                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 5| 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 3| 3| 3| 3| 7| 3| 3| 4| 3| 3| 3| 3| 3| 6| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9|            |
                                           | 3| 3| 3| 3| 8| 2| 2| 0| 2| 2| 2| 2| 2| 9| 4| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
   Larynx                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Infiltration Cellular, Multifocal,   |                                                                          |            |
           Histiocyte                      | 1  1                                1     1           1     1  1     1  1|     22  1.0|
      Pigmentation, Multifocal             |                                                                          |      1  3.0|
      Alveolar Epithelium, Hyperplasia,    |                                                                          |            |
           Focal                           |                                                                4         |      3  3.3|
      Interstitium, Inflammation, Chronic, |                                                                          |            |
           Diffuse                         |             2                                                            |      1  2.0|
      Pleura, Fibrosis, Focal              |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Foreign Body                         |                                                                2         |      1  2.0|
      Fungus                               |                                                                          |      3  2.0|
      Mucosa, Cytoplasmic Alteration,      |                                                                          |            |
          Multifocal                       |    1     1     2  1     1  1     2  2  2     2  1  2     1  1     1  1   |     39  1.4|
      Mucosa, Inflammation, Chronic, Focal |                                                                          |      1  1.0|
      Mucosa, Inflammation, Chronic Active,|                                                                          |            |
           Multifocal                      |          2                                                               |      4  2.3|
      Mucosa, Inflammation, Multifocal,    |                                                                          |            |
           Subacute                        | 2  2  1                                                                  |      3  1.7|
      Mucosa, Metaplasia, Focal, Squamous  |                                                                          |      2  2.0|
      Nasolacrimal Duct, Inflammation,     |                                                                          |            |
           Chronic                         |                                                    2                 1   |      4  1.3|
      Nasolacrimal Duct, Inflammation,     |                                                                          |            |
           Chronic Active                  |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Ear                                     |                                                                      M   |            |
                                           |__________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  28                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 5| 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 3| 3| 3| 3| 7| 3| 3| 4| 3| 3| 3| 3| 3| 6| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9|            |
                                           | 3| 3| 3| 3| 8| 2| 2| 0| 2| 2| 2| 2| 2| 9| 4| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS 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   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 SPECIAL SENSES SYSTEM - cont              |                                                                          |            |
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Lens, Cataract                       |       2                 2     2     4           2     1                  |      7  2.4|
      Retina, Atrophy                      |             3     3     3  1  2  2  3        2  3  2  3  3  2        2   |     17  2.4|
      Sclera, Metaplasia, Focal, Osseous   |    1        1     1              1                       1           1   |     10  1.0|
      Sclera, Metaplasia, Multifocal,      |                                                                          |            |
          Osseous                          | 1     2                             2              1  1        2         |     15  1.5|
                                           |__________________________________________________________________________|____________|
   Harderian Gland                         |             +                       +                                    |   2        |
      Inflammation, Acute                  |             4                                                            |      1  4.0|
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Bacterium                            |                                                                          |      1     |
      Cyst                                 |                                                                          |      1  2.0|
      Inflammation, Acute, Multifocal      |                                                                          |      1  4.0|
      Nephropathy, Chronic, Multifocal     |                2     2     3     2        2  3  2  1     1  1            |     18  1.7|
      Pelvis, Mineralization, Multifocal   |                   2                                                      |      2  1.5|
      Renal Tubule, Pigmentation           |                                        3                                 |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  M  +  +  +  +  +|  48        |
 __________________________________________________________________________________________________________________________________ 
                                                                                                                                    
  * : 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  29                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 2| 7| 7| 7| 7| 7| 7| 5|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 6| 0| 3| 3| 2| 2| 1| 3| 3| 3| 3| 3|             
                                           | 1| 1| 1| 1| 1| 3| 1| 1| 1| 1| 2| 2| 2| 9| 4| 2| 2| 0| 4| 0| 2| 2| 2| 2| 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|             
   FISCHER 344 RATS 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|             
    100 PPM                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |__________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fatty Change                         |                2                                                         |             
      Focal Cellular Change                |    X  X  X  X     X  X  X  X  X     X        X  X     X  X  X  X  X  X   |             
      Hematopoietic Cell Proliferation,    |                                                                          |             
           Multifocal                      |                                                                          |             
      Hepatodiaphragmatic Nodule           |       X                                         X  X           X         |             
      Hyperplasia, Focal                   |                                        2                                 |             
      Hyperplasia, Multifocal              | 3                                                                        |             
      Inflammation, Chronic, Multifocal    |       2                                      2  1                 1  2   |             
      Inflammation, Focal, Granulomatous   |                                                                   4      |             
      Necrosis, Multifocal                 |                                        3                                 |             
      Bile Duct, Hyperplasia, Focal        |                         1                                                |             
      Bile Duct, Hyperplasia, Multifocal   | 2  1     2  2     2  2     3  2  1  2  2     2        2  2  2  1     2  2|             
      Vein, Thrombosis                     |                                        4                                 |             
                                           |__________________________________________________________________________|             
   Mesentery                               |                                                       +                  |             
                                           |__________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +|             
      Acinus, Atrophy, Focal               |       1                 2                    1                           |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  30                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 2| 7| 7| 7| 7| 7| 7| 5|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 6| 0| 3| 3| 2| 2| 1| 3| 3| 3| 3| 3|             
                                           | 1| 1| 1| 1| 1| 3| 1| 1| 1| 1| 2| 2| 2| 9| 4| 2| 2| 0| 4| 0| 2| 2| 2| 2| 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|             
   FISCHER 344 RATS 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|             
    100 PPM                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
      Acinus, Atrophy, Multifocal          | 1              2           2     2                                   1  2|             
                                           |__________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Erosion, Focal                       |                                                                          |             
      Hyperplasia, Diffuse, Squamous       |                                                                         2|             
      Inflammation, Chronic Active         |                                                                         4|             
                                           |__________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer                                |                                                                         3|             
                                           |__________________________________________________________________________|             
   Tooth                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cardiomyopathy, Multifocal           |       1  2  1     2  2        2                 2        3  1  2  1      |             
      Atrium, Thrombosis                   |                                                          X               |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |__________________________________________________________________________|             
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Degeneration, Focal                  |                      2  1                       2                        |             
      Hematocyst                           |                      2                                                   |             
      Hyperplasia, Focal                   |                   3                                                      |             
      Hyperplasia, Multifocal              | 2                                                                        |             
                                           |__________________________________________________________________________|             
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Focal                   |                                                 2                 1      |             
      Hyperplasia, Multifocal              |                                                          3               |             
                                           |__________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  31                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 2| 7| 7| 7| 7| 7| 7| 5|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 6| 0| 3| 3| 2| 2| 1| 3| 3| 3| 3| 3|             
                                           | 1| 1| 1| 1| 1| 3| 1| 1| 1| 1| 2| 2| 2| 9| 4| 2| 2| 0| 4| 0| 2| 2| 2| 2| 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|             
   FISCHER 344 RATS 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|             
    100 PPM                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
   Parathyroid Gland                       | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Pars Distalis, Angiectasis, Focal    |                                                                          |             
      Pars Distalis, Cyst                  |                                              X              X            |             
      Pars Distalis, Fibrosis              |                                                                         4|             
      Pars Distalis, Hyperplasia, Focal    |                                                             2            |             
                                           |__________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      C-Cell, Hyperplasia, Focal           |                                                                          |             
      C-Cell, Hyperplasia, Multifocal      |             2                                                            |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Clitoral Gland                          | +  +  M  +  M  +  +  M  +  M  +  M  +  +  +  +  +  M  M  +  +  +  +  +  +|             
      Inflammation, Chronic, Focal         |                                                                          |             
                                           |__________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cyst                                 |                                                             X            |             
                                           |__________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Dilatation                           |                                                                          |             
      Endometrium, Cyst                    |                   2                          X                          X|             
      Endometrium, Cyst, Multiple          | X           X           X     1                                1         |             
      Endometrium, Inflammation, Focal,    |                                                                          |             
           Subacute                        |                                                                1         |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Blood                                   |                                           +                              |             
                                           |__________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +|             
      Atrophy                              |                                                    3                     |             
      Hyperplasia                          |                                                                          |             
      Myelofibrosis, Focal                 |    2                                                                     |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  32                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 2| 7| 7| 7| 7| 7| 7| 5|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 6| 0| 3| 3| 2| 2| 1| 3| 3| 3| 3| 3|             
                                           | 1| 1| 1| 1| 1| 3| 1| 1| 1| 1| 2| 2| 2| 9| 4| 2| 2| 0| 4| 0| 2| 2| 2| 2| 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|             
   FISCHER 344 RATS 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|             
    100 PPM                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
      Myelofibrosis, Multifocal            |                            2  1              2  1                        |             
                                           |__________________________________________________________________________|             
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Mediastinal, Pigmentation            |                                                                          |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                                                          2               |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                                                          2               |             
      Infiltration Cellular, Histiocyte    |                                                 2           2            |             
                                           |__________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +|             
      Infarct                              |                                        4                                 |             
                                           |__________________________________________________________________________|             
   Thymus                                  | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Acinus, Hyperplasia, Focal           |                                                 2                        |             
      Duct, Ectasia                        |                                                       3                  |             
                                           |__________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Chronic Active         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +     +  +  +  +  +  +|             
      Hyperostosis                         |                                        2        2                        |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cerebrum, Hydrocephalus              |                                                                          |             
      Hypothalamus, Compression            |                                                                          |             
                                           |__________________________________________________________________________|             
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  33                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 2| 7| 7| 7| 7| 7| 7| 5|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 6| 0| 3| 3| 2| 2| 1| 3| 3| 3| 3| 3|             
                                           | 1| 1| 1| 1| 1| 3| 1| 1| 1| 1| 2| 2| 2| 9| 4| 2| 2| 0| 4| 0| 2| 2| 2| 2| 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|             
   FISCHER 344 RATS 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|             
    100 PPM                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |__________________________________________________________________________|             
   Larynx                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Chronic, Focal         |                                                                          |             
                                           |__________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Multifocal,   |                                                                          |             
           Histiocyte                      |    1  1     1              1  1     1        1  1           1  1     1   |             
      Pigmentation, Multifocal             |                                                          3               |             
                                           |__________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fungus                               |                                                                          |             
      Mucosa, Cytoplasmic Alteration,      |                                                                          |             
          Multifocal                       | 2     1  2  2     1  2  2  1     2  2  1  2  1  1        2  2  2  1  2  2|             
      Mucosa, Inflammation, Acute,         |                                                                          |             
          Multifocal                       |                                                                          |             
      Mucosa, Inflammation, Chronic Active,|                                                                          |             
           Focal                           |                         1                                                |             
      Mucosa, Metaplasia, Focal, Squamous  |                                                                          |             
      Nasolacrimal Duct, Inflammation,     |                                                                          |             
           Chronic                         |                            2                                             |             
      Nasolacrimal Duct, Inflammation,     |                                                                          |             
           Chronic Active                  |                                                                          |             
                                           |__________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Ear                                     |                +                                                         |             
                                           |__________________________________________________________________________|             
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lens, Cataract                       | 2           2     2     2  2        2        2  2     1  2     2  2  2   |             
      Retina, Atrophy                      | 3  2  2     2     2  2  2  2  2  2  2        2  2        2  2  2  2  2  1|             
      Sclera, Metaplasia, Focal, Osseous   |    1  1                    1              1                    1  1  1   |             
      Sclera, Metaplasia, Multifocal,      |                                                                          |             
          Osseous                          |                   1                          2                           |             
                                           |__________________________________________________________________________|             
   Harderian Gland                         |                +                                   +                     |             
      Infiltration Cellular, Multifocal,   |                                                                          |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  34                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 2| 7| 7| 7| 7| 7| 7| 5|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 6| 0| 3| 3| 2| 2| 1| 3| 3| 3| 3| 3|             
                                           | 1| 1| 1| 1| 1| 3| 1| 1| 1| 1| 2| 2| 2| 9| 4| 2| 2| 0| 4| 0| 2| 2| 2| 2| 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|             
   FISCHER 344 RATS 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|             
    100 PPM                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 SPECIAL SENSES SYSTEM - cont              |                                                                          |             
           Lymphocyte                      |                                                    2                     |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Bacterium                            |                                                       X                  |             
      Cyst                                 |                                                                          |             
      Inflammation, Acute, Multifocal      |                                                       3                  |             
                                           |__________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Calculus Gross Observation           |                                                    X                     |             
      Inflammation, Chronic                |                                                    2                     |             
      Transitional Epithelium, Hyperplasia |                                                    3                     |             
 __________________________________________|__________________________________________________________________________              
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                             Page  35                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 6| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 5| 3| 3| 3| 9| 3| 3| 3| 9| 7|            |
                                           | 2| 2| 2| 2| 4| 2| 1| 2| 2| 2| 2| 2| 2| 2| 6| 3| 2| 2| 2| 4| 2| 2| 2| 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     |
   FISCHER 344 RATS 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| 6| 6| 6| 6| 6|      A     |
    100 PPM                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Large                         | +  +  +  +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Fatty Change                         |                                           1                              |      2  1.5|
      Focal Cellular Change                | X  X  X  X  X  X  X  X  X  X  X  X  X  X  X        X  X  X  X  X  X  X  X|     41     |
      Hematopoietic Cell Proliferation,    |                                                                          |            |
           Multifocal                      |       2                                                                  |      1  2.0|
      Hepatodiaphragmatic Nodule           |             X  X                                               X     X  X|      9     |
      Hyperplasia, Focal                   |                                                                          |      1  2.0|
      Hyperplasia, Multifocal              |                                                                          |      1  3.0|
      Inflammation, Chronic, Multifocal    |    2  2              1  1  1     1     2  1           1  2  1  2  1  2   |     19  1.5|
      Inflammation, Focal, Granulomatous   |                                                                          |      1  4.0|
      Necrosis, Multifocal                 |                                                                          |      1  3.0|
      Bile Duct, Hyperplasia, Focal        |                                                                          |      1  1.0|
      Bile Duct, Hyperplasia, Multifocal   |          1     1           2  1  2  2  1           1  1     2  2        3|     30  1.8|
      Vein, Thrombosis                     |                                                                          |      1  4.0|
                                           |__________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  36                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 6| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 5| 3| 3| 3| 9| 3| 3| 3| 9| 7|            |
                                           | 2| 2| 2| 2| 4| 2| 1| 2| 2| 2| 2| 2| 2| 2| 6| 3| 2| 2| 2| 4| 2| 2| 2| 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     |
   FISCHER 344 RATS 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| 6| 6| 6| 6| 6|      A     |
    100 PPM                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
   Mesentery                               |                                                                          |   1        |
                                           |__________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Acinus, Atrophy, Focal               |                            1  1  1  1                          1  2      |      9  1.2|
      Acinus, Atrophy, Multifocal          |                2     2  1                                                |      9  1.7|
                                           |__________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Erosion, Focal                       |             2                                                            |      1  2.0|
      Hyperplasia, Diffuse, Squamous       |                                                                          |      1  2.0|
      Inflammation, Chronic Active         |                                                                          |      1  4.0|
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ulcer                                |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Tooth                                   |                                                                   +      |   1        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cardiomyopathy, Multifocal           | 2  1  2  2     1  2  1  1  1     2  1  1  1        1        2  2     1   |     28  1.5|
      Atrium, Thrombosis                   |                                                                          |      1     |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Degeneration, Focal                  |                                                                          |      3  1.7|
      Hematocyst                           |          2           2                                   2               |      4  2.0|
      Hyperplasia, Focal                   |          1     2              2                          2           2   |      6  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  37                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 6| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 5| 3| 3| 3| 9| 3| 3| 3| 9| 7|            |
                                           | 2| 2| 2| 2| 4| 2| 1| 2| 2| 2| 2| 2| 2| 2| 6| 3| 2| 2| 2| 4| 2| 2| 2| 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     |
   FISCHER 344 RATS 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| 6| 6| 6| 6| 6|      A     |
    100 PPM                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
      Hyperplasia, Multifocal              |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Adrenal Gland, Medulla                  | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Hyperplasia, Focal                   |                                        2                                 |      3  1.7|
      Hyperplasia, Multifocal              |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Parathyroid Gland                       | +  +  +  +  M  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  M|  47        |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Pars Distalis, Angiectasis, Focal    |                                                                   2      |      1  2.0|
      Pars Distalis, Cyst                  |    X                 X        2                    X        X     2      |      8  2.0|
      Pars Distalis, Fibrosis              |                                                                          |      1  4.0|
      Pars Distalis, Hyperplasia, Focal    |                            3        1                 1                  |      4  1.8|
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      C-Cell, Hyperplasia, Focal           |          4                 2  3                                          |      3  3.0|
      C-Cell, Hyperplasia, Multifocal      |                                                                          |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Clitoral Gland                          | +  +  +  M  M  +  +  +  +  +  +  M  M  +  +  +  +  +  +  +  +  +  +  +  +|  39        |
      Inflammation, Chronic, Focal         |                                                 2                        |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cyst                                 |                                                                          |      1     |
                                           |__________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Dilatation                           | 2     2  3                                                  2            |      4  2.3|
      Endometrium, Cyst                    |                                                                      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  38                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 6| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 5| 3| 3| 3| 9| 3| 3| 3| 9| 7|            |
                                           | 2| 2| 2| 2| 4| 2| 1| 2| 2| 2| 2| 2| 2| 2| 6| 3| 2| 2| 2| 4| 2| 2| 2| 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     |
   FISCHER 344 RATS 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| 6| 6| 6| 6| 6|      A     |
    100 PPM                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 GENITAL SYSTEM - cont                     |                                                                          |            |
      Endometrium, Cyst, Multiple          |    2                       X  1                    X              X     X|     11  1.3|
      Endometrium, Inflammation, Focal,    |                                                                          |            |
           Subacute                        |                                                                          |      1  1.0|
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Blood                                   |                                                                          |   1        |
                                           |__________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Atrophy                              |                                                                          |      1  3.0|
      Hyperplasia                          |             2                                                            |      1  2.0|
      Myelofibrosis, Focal                 |                                                                          |      1  2.0|
      Myelofibrosis, Multifocal            |       4                                               1     1  1  1  2   |     10  1.6|
                                           |__________________________________________________________________________|____________|
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Mediastinal, Pigmentation            | 2                                                                        |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  48        |
      Congestion                           |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Congestion                           |       1           1  1                                                   |      4  1.3|
      Infiltration Cellular, Histiocyte    |                                                                      1   |      3  1.7|
                                           |__________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Infarct                              |    2                                                                     |      2  3.0|
                                           |__________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +|  47        |
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  M  +  +  +  M  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +|  47        |
      Acinus, Hyperplasia, Focal           |                                                                          |      1  2.0|
      Duct, Ectasia                        | 2                 2                       2              2               |      5  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  39                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 6| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 5| 3| 3| 3| 9| 3| 3| 3| 9| 7|            |
                                           | 2| 2| 2| 2| 4| 2| 1| 2| 2| 2| 2| 2| 2| 2| 6| 3| 2| 2| 2| 4| 2| 2| 2| 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     |
   FISCHER 344 RATS 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| 6| 6| 6| 6| 6|      A     |
    100 PPM                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 INTEGUMENTARY SYSTEM - cont               |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Inflammation, Chronic Active         |       3                                                  3               |      2  3.0|
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Hyperostosis                         |                         4        2     4                             2   |      6  2.7|
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cerebrum, Hydrocephalus              |                                                          2               |      1  2.0|
      Hypothalamus, Compression            | 2                                                        2               |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Spinal Cord                             | +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Inflammation, Chronic, Focal         |                                                    1                     |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Infiltration Cellular, Multifocal,   |                                                                          |            |
           Histiocyte                      | 1     1     1        1  1        1                 1     1              1|     20  1.0|
      Pigmentation, Multifocal             |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Fungus                               |                                              3                           |      1  3.0|
      Mucosa, Cytoplasmic Alteration,      |                                                                          |            |
          Multifocal                       |    1  1  2     1  2  1  2  1  2  1  2  2  2                             1|     34  1.6|
      Mucosa, Inflammation, Acute,         |                                                                          |            |
          Multifocal                       |             3                                2                           |      2  2.5|
      Mucosa, Inflammation, Chronic Active,|                                                                          |            |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  40                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 6| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 5| 3| 3| 3| 9| 3| 3| 3| 9| 7|            |
                                           | 2| 2| 2| 2| 4| 2| 1| 2| 2| 2| 2| 2| 2| 2| 6| 3| 2| 2| 2| 4| 2| 2| 2| 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     |
   FISCHER 344 RATS 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| 6| 6| 6| 6| 6|      A     |
    100 PPM                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
           Focal                           |                                                                          |      1  1.0|
      Mucosa, Metaplasia, Focal, Squamous  |             2                                                            |      1  2.0|
      Nasolacrimal Duct, Inflammation,     |                                                                          |            |
           Chronic                         |                                                                   2      |      2  2.0|
      Nasolacrimal Duct, Inflammation,     |                                                                          |            |
           Chronic Active                  |                                           2     2           2            |      3  2.0|
                                           |__________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Ear                                     |                                                                          |   1        |
                                           |__________________________________________________________________________|____________|
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Lens, Cataract                       | 2  2  2  1     3  4  2  2  2  2  2  2  3  2     1  1  1  2  2  1  3  3  1|     37  2.0|
      Retina, Atrophy                      | 2  2  3  2  2  3  3  3  3  2  2  2  2  2  3     2  2  2  3  2  2  2     2|     42  2.2|
      Sclera, Metaplasia, Focal, Osseous   | 1        1     1        1           2                                    |     12  1.1|
      Sclera, Metaplasia, Multifocal,      |                                                                          |            |
          Osseous                          |    1                          1           1                              |      5  1.2|
                                           |__________________________________________________________________________|____________|
   Harderian Gland                         |                                                                          |   2        |
      Infiltration Cellular, Multifocal,   |                                                                          |            |
           Lymphocyte                      |                                                                          |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Bacterium                            |                                                                          |      1     |
      Cyst                                 |                                                                   2      |      1  2.0|
      Inflammation, Acute, Multifocal      |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Calculus Gross Observation           |                                                                          |      1     |
      Inflammation, Chronic                |                                                                          |      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  41                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 6| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 5| 3| 3| 3| 9| 3| 3| 3| 9| 7|            |
                                           | 2| 2| 2| 2| 4| 2| 1| 2| 2| 2| 2| 2| 2| 2| 6| 3| 2| 2| 2| 4| 2| 2| 2| 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     |
   FISCHER 344 RATS 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| 6| 6| 6| 6| 6|      A     |
    100 PPM                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 URINARY SYSTEM - cont                     |                                                                          |            |
      Transitional Epithelium, Hyperplasia |                                                                          |      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  42                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 3| 7| 6| 7| 6| 7| 6| 7| 5| 5| 7| 7| 7| 6| 6| 7| 7| 7| 6| 6|             
                             DAY ON TEST   | 2| 2| 2| 0| 7| 1| 2| 9| 2| 8| 2| 3| 2| 5| 3| 2| 2| 2| 9| 3| 2| 2| 2| 5| 3|             
                                           | 9| 9| 9| 8| 6| 6| 9| 1| 2| 4| 9| 7| 9| 8| 3| 9| 9| 9| 5| 8| 9| 9| 9| 9| 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|             
   FISCHER 344 RATS MALE                   | 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   | 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|             
    VEHICLE                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |__________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Subacute               |                                  3                                       |             
                                           |__________________________________________________________________________|             
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  M  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Chronic, Multifocal    |                                                                          |             
                                           |__________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Chronic, Focal         |                                                                          |             
                                           |__________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Degeneration, Cystic, Focal          |                                              1                           |             
      Degeneration, Cystic, Multifocal     |                               3                                          |             
      Fatty Change                         |                                           2              1           3   |             
      Focal Cellular Change                | X  X  X           X                 X     X  X  X           X  X         |             
      Hematopoietic Cell Proliferation,    |                                                                          |             
           Multifocal                      |          2                                                        2      |             
      Hepatodiaphragmatic Nodule           | X        X           X  X        X                                       |             
      Hyperplasia, Focal                   |                         2                             2                  |             
      Inflammation, Chronic, Multifocal    |                1                                   2                     |             
      Bile Duct, Hyperplasia, Multifocal   | 3  2  2  2  3     2  3  3  3  3  2  1  2     2  2  1  3  1  2  2  3  3  2|             
      Centrilobular, Necrosis, Acute       |          3                                                               |             
                                           |__________________________________________________________________________|             
   Mesentery                               |             +     +                                   +              +   |             
      Inflammation, Chronic, Multifocal    |                                                                      2   |             
      Fat, Necrosis                        |             4     4                                   4                  |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  43                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 3| 7| 6| 7| 6| 7| 6| 7| 5| 5| 7| 7| 7| 6| 6| 7| 7| 7| 6| 6|             
                             DAY ON TEST   | 2| 2| 2| 0| 7| 1| 2| 9| 2| 8| 2| 3| 2| 5| 3| 2| 2| 2| 9| 3| 2| 2| 2| 5| 3|             
                                           | 9| 9| 9| 8| 6| 6| 9| 1| 2| 4| 9| 7| 9| 8| 3| 9| 9| 9| 5| 8| 9| 9| 9| 9| 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|             
   FISCHER 344 RATS MALE                   | 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   | 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|             
    VEHICLE                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |__________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Acinus, Atrophy, Diffuse             |                            3                                             |             
      Acinus, Atrophy, Focal               | 1  2  2           1  2                    2     2     1        1  2      |             
      Acinus, Atrophy, Multifocal          |          3                          3                       2            |             
      Acinus, Focal Cellular Change        |                                                                X         |             
      Acinus, Hyperplasia, Focal           |                                     4                                    |             
      Artery, Inflammation, Chronic        |                                                    2                     |             
                                           |__________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage, Focal                    |                                                                          |             
      Inflammation, Chronic                |                                                                          |             
                                           |__________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Multifocal, Squamous    |                                  2                                       |             
      Hyperplasia, Squamous                |                                           2                              |             
      Inflammation, Acute                  |                                           1                              |             
      Ulcer                                |                                                          2               |             
                                           |__________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer                                |                                                                      3   |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cardiomyopathy, Multifocal           | 2  2  2  3     2  1     2  2  2  2  2     1  3  2  2  2  2     2  1  2   |             
      Atrium, Thrombosis                   |                         X                                                |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |__________________________________________________________________________|             
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +|             
      Degeneration, Focal                  |                               1                 1              2         |             
      Hematopoietic Cell Proliferation,    |                                                                          |             
           Multifocal                      |                                                                          |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  44                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 3| 7| 6| 7| 6| 7| 6| 7| 5| 5| 7| 7| 7| 6| 6| 7| 7| 7| 6| 6|             
                             DAY ON TEST   | 2| 2| 2| 0| 7| 1| 2| 9| 2| 8| 2| 3| 2| 5| 3| 2| 2| 2| 9| 3| 2| 2| 2| 5| 3|             
                                           | 9| 9| 9| 8| 6| 6| 9| 1| 2| 4| 9| 7| 9| 8| 3| 9| 9| 9| 5| 8| 9| 9| 9| 9| 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|             
   FISCHER 344 RATS MALE                   | 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   | 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|             
    VEHICLE                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
      Hemorrhage                           |                                        4                                 |             
      Hyperplasia, Focal                   |                                                                   1      |             
      Hyperplasia, Multifocal              |    2                                                                     |             
                                           |__________________________________________________________________________|             
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +|             
      Hemorrhage                           |                                        4                                 |             
      Hyperplasia, Focal                   | 1     1  4  1                                                            |             
      Hyperplasia, Multifocal              |                         4  3                                             |             
                                           |__________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Focal                   |                                                                          |             
                                           |__________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  M  +  +  M  M|             
                                           |__________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Pars Distalis, Abscess               |                                                                          |             
      Pars Distalis, Cyst                  |                                                                          |             
      Pars Distalis, Hemorrhage            |                                              2                           |             
      Pars Distalis, Hyperplasia, Focal    |       1                             2                                1  4|             
      Pars Intermedia, Cyst                |                                                                          |             
                                           |__________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      C-Cell, Hyperplasia, Focal           |                                                 2                        |             
      C-Cell, Hyperplasia, Multifocal      |                   3                                   3  2               |             
      Follicle, Cyst                       |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Epididymis                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Preputial Gland                         | +  +  +  M  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Abscess                              |    3                                                                     |             
      Inflammation, Acute, Focal           |                                                                         2|             
      Inflammation, Acute, Multifocal      |                                                          2               |             
      Inflammation, Chronic, Focal         |                                                                          |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  45                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 3| 7| 6| 7| 6| 7| 6| 7| 5| 5| 7| 7| 7| 6| 6| 7| 7| 7| 6| 6|             
                             DAY ON TEST   | 2| 2| 2| 0| 7| 1| 2| 9| 2| 8| 2| 3| 2| 5| 3| 2| 2| 2| 9| 3| 2| 2| 2| 5| 3|             
                                           | 9| 9| 9| 8| 6| 6| 9| 1| 2| 4| 9| 7| 9| 8| 3| 9| 9| 9| 5| 8| 9| 9| 9| 9| 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|             
   FISCHER 344 RATS MALE                   | 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   | 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|             
    VEHICLE                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
      Inflammation, Chronic, Multifocal    | 2                       1  2  1                    2  2     2        1   |             
      Inflammation, Chronic Active, Focal  |                                                                          |             
      Inflammation, Chronic Active,        |                                                                          |             
          Multifocal                       |                                                                          |             
      Inflammation, Multifocal, Subacute   |                                                                          |             
                                           |__________________________________________________________________________|             
   Prostate                                | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Focal                   |                   2                          1                 2         |             
      Inflammation, Acute, Focal           |                                                                          |             
      Inflammation, Chronic, Focal         |                                                    2                     |             
      Inflammation, Chronic, Multifocal    |                                                                          |             
      Inflammation, Chronic Active,        |                                                                          |             
          Multifocal                       | 3                                                                        |             
                                           |__________________________________________________________________________|             
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy, Diffuse                     | 3     1  3  4        2     4  4  3  3        4     2  4        3     3   |             
      Dilatation                           |                                                          2               |             
      Inflammation, Chronic, Multifocal    |                                                          2               |             
                                           |__________________________________________________________________________|             
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy, Diffuse                     | 3                                2                                       |             
      Atrophy, Focal                       |                                                                          |             
      Atrophy                              |                                                       2                  |             
      Granuloma Sperm                      |                                                                          |             
      Interstitial Cell, Hyperplasia,      |                                                                          |             
          Multifocal                       |          2                                                              2|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Blood                                   |                                                                      +   |             
                                           |__________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                                   2  2   |             
      Infiltration Cellular, Focal,        |                                                                          |             
          Histiocyte                       |                                     2                                    |             
                                           |__________________________________________________________________________|             
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  46                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 3| 7| 6| 7| 6| 7| 6| 7| 5| 5| 7| 7| 7| 6| 6| 7| 7| 7| 6| 6|             
                             DAY ON TEST   | 2| 2| 2| 0| 7| 1| 2| 9| 2| 8| 2| 3| 2| 5| 3| 2| 2| 2| 9| 3| 2| 2| 2| 5| 3|             
                                           | 9| 9| 9| 8| 6| 6| 9| 1| 2| 4| 9| 7| 9| 8| 3| 9| 9| 9| 5| 8| 9| 9| 9| 9| 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|             
   FISCHER 344 RATS MALE                   | 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   | 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|             
    VEHICLE                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Degeneration, Cystic                 |                                                                   2      |             
      Hyperplasia, Plasma Cell             |                                  1                                       |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +|             
      Congestion                           |          2                                                               |             
      Degeneration, Cystic                 |    3                                                                     |             
      Hyperplasia, Lymphoid                |                                                                          |             
      Infiltration Cellular, Histiocyte    |                                                                      2   |             
                                           |__________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy, Focal                       |                                     2                                    |             
      Fibrosis, Diffuse                    |                                                                      2   |             
      Fibrosis, Focal                      |                                                       4                  |             
      Hematopoietic Cell Proliferation     |                                                          2        2      |             
      Lymphoid Follicle, Atrophy           |                                                                          |             
                                           |__________________________________________________________________________|             
   Thymus                                  | M  +  M  M  +  +  +  +  +  +  +  +  M  +  +  M  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Mammary Gland                           | M  +  M  +  +  M  +  +  M  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Chronic                |                                                                          |             
      Acinus, Hyperplasia, Focal           |                                                             3            |             
      Duct, Ectasia                        |          2        2                                      3  2     2      |             
                                           |__________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cyst Epithelial Inclusion            |                                                                          |             
      Inflammation, Acute, Focal           |                      1                                                   |             
      Inflammation, Chronic, Focal         |                                                                          |             
      Subcutaneous Tissue, Fibrosis, Focal |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperostosis                         |                                                                      2   |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  47                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 3| 7| 6| 7| 6| 7| 6| 7| 5| 5| 7| 7| 7| 6| 6| 7| 7| 7| 6| 6|             
                             DAY ON TEST   | 2| 2| 2| 0| 7| 1| 2| 9| 2| 8| 2| 3| 2| 5| 3| 2| 2| 2| 9| 3| 2| 2| 2| 5| 3|             
                                           | 9| 9| 9| 8| 6| 6| 9| 1| 2| 4| 9| 7| 9| 8| 3| 9| 9| 9| 5| 8| 9| 9| 9| 9| 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|             
   FISCHER 344 RATS MALE                   | 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   | 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|             
    VEHICLE                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 NERVOUS SYSTEM - cont                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hydrocephalus                        |                                           2                              |             
      Cerebellum, Necrosis, Focal          |                                                                          |             
      Hypothalamus, Compression            | 3                 2                                      2               |             
                                           |__________________________________________________________________________|             
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cyst                                 |                                     2                                    |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |__________________________________________________________________________|             
   Larynx                                  | +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fibrosis, Focal                      |                                                                          |             
      Foreign Body                         |                                  2                                       |             
      Infiltration Cellular, Multifocal,   |                                                                          |             
           Histiocyte                      |                                           1                       1      |             
      Inflammation, Acute, Multifocal      |                                  3                                       |             
      Inflammation, Granulomatous,         |                                                                          |             
          Multifocal                       |                                                                          |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           |                                              4           3               |             
      Interstitium, Inflammation, Chronic, |                                                                          |             
           Multifocal                      |    2                                                           2         |             
      Peribronchiolar, Hyperplasia,        |                                                                          |             
          Lymphoid                         |                                                                          |             
                                           |__________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Foreign Body                         |                                                                          |             
      Fungus                               |          2                                                        2     2|             
      Mucosa, Cytoplasmic Alteration,      |                                                                          |             
          Multifocal                       |                                                                          |             
      Mucosa, Foreign Body, Focal          |                                                                          |             
      Mucosa, Inflammation, Acute, Focal   |                                                                         3|             
      Mucosa, Inflammation, Acute,         |                                                                          |             
          Multifocal                       |                                  2              1                        |             
      Mucosa, Inflammation, Chronic,       |                                                                          |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  48                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 3| 7| 6| 7| 6| 7| 6| 7| 5| 5| 7| 7| 7| 6| 6| 7| 7| 7| 6| 6|             
                             DAY ON TEST   | 2| 2| 2| 0| 7| 1| 2| 9| 2| 8| 2| 3| 2| 5| 3| 2| 2| 2| 9| 3| 2| 2| 2| 5| 3|             
                                           | 9| 9| 9| 8| 6| 6| 9| 1| 2| 4| 9| 7| 9| 8| 3| 9| 9| 9| 5| 8| 9| 9| 9| 9| 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|             
   FISCHER 344 RATS MALE                   | 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   | 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|             
    VEHICLE                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 RESPIRATORY SYSTEM - cont                 |                                                                          |             
          Multifocal                       |                                                                          |             
      Mucosa, Inflammation, Chronic Active,|                                                                          |             
           Multifocal                      |                                                                   2      |             
      Mucosa, Inflammation, Focal, Subacute|                                                                          |             
      Mucosa, Inflammation, Multifocal,    |                                                                          |             
           Subacute                        |          2                                                               |             
      Mucosa, Metaplasia, Multifocal,      |                                                                          |             
          Squamous                         |                                                                   2      |             
      Nasolacrimal Duct, Inflammation,     |                                                                          |             
           Chronic                         | 2                             1                    1                     |             
      Nasolacrimal Duct, Inflammation,     |                                                                          |             
           Chronic Active                  |             2              2                                             |             
                                           |__________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lens, Cataract                       | 3                                                                       2|             
      Retina, Atrophy                      | 2                                                                       2|             
      Sclera, Metaplasia, Focal, Osseous   |             1  1        1  1        2  2                 1        1     1|             
      Sclera, Metaplasia, Multifocal,      |                                                                          |             
          Osseous                          | 2  2     3        1  1        2  2           2  2  3  2     2  2         |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cyst                                 |                                     2                                    |             
      Nephropathy, Chronic, Multifocal     | 3  3  3  2  1  2  2     3  2  3  2  3  2  1  2  3  2  2  3  3  3  2  2  2|             
      Renal Tubule, Pigmentation           |                                                       2                  |             
      Transitional Epithelium, Hyperplasia |                                                                          |             
                                           |__________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Dilatation                           |                            4                                             |             
 __________________________________________|__________________________________________________________________________              
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                             Page  49                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 6| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 2| 2| 6| 2| 1| 2| 2| 8| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 7|            |
                                           | 9| 9| 4| 9| 7| 9| 9| 4| 5| 2| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 6| 9| 9|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Inflammation, Subacute               |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  48        |
                                           |__________________________________________________________________________|____________|
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Inflammation, Chronic, Multifocal    |          2                                                               |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Inflammation, Chronic, Focal         |          2                                                               |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Degeneration, Cystic, Focal          |             2           2                             1                  |      4  1.5|
      Degeneration, Cystic, Multifocal     |                                                                          |      1  3.0|
      Fatty Change                         |       2                                                           2      |      5  2.0|
      Focal Cellular Change                | X  X     X  X  X  X           X  X  X  X  X  X  X  X  X  X  X  X     X   |     29     |
      Hematopoietic Cell Proliferation,    |                                                                          |            |
           Multifocal                      |                                                                          |      2  2.0|
      Hepatodiaphragmatic Nodule           |                X                                                         |      6     |
      Hyperplasia, Focal                   |                      2                                                   |      3  2.0|
      Inflammation, Chronic, Multifocal    | 2                                            1  1     2     1            |      7  1.4|
      Bile Duct, Hyperplasia, Multifocal   | 1  2  2  2  2  2  2     3     1  2  2  2  2  2  2  2  2  2  2  2  1  2  2|     46  2.1|
      Centrilobular, Necrosis, Acute       |                                                                          |      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  50                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 6| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 2| 2| 6| 2| 1| 2| 2| 8| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 7|            |
                                           | 9| 9| 4| 9| 7| 9| 9| 4| 5| 2| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 6| 9| 9|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mesentery                               |                         +     +                                          |   6        |
      Inflammation, Chronic, Multifocal    |                                                                          |      1  2.0|
      Fat, Necrosis                        |                         2                                                |      4  3.5|
                                           |__________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Acinus, Atrophy, Diffuse             |                                                                          |      1  3.0|
      Acinus, Atrophy, Focal               |          3        2     2                       2                        |     14  1.8|
      Acinus, Atrophy, Multifocal          | 2                             2     2     2              2  1  2  2      |     11  2.1|
      Acinus, Focal Cellular Change        |                                                                          |      1     |
      Acinus, Hyperplasia, Focal           |                                                                          |      1  4.0|
      Artery, Inflammation, Chronic        |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hemorrhage, Focal                    |                                           2                              |      1  2.0|
      Inflammation, Chronic                |                                                                4         |      1  4.0|
                                           |__________________________________________________________________________|____________|
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  48        |
      Hyperplasia, Multifocal, Squamous    |                                                                          |      1  2.0|
      Hyperplasia, Squamous                |                                                                          |      1  2.0|
      Inflammation, Acute                  |                                                                          |      1  1.0|
      Ulcer                                |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ulcer                                |                                                                          |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cardiomyopathy, Multifocal           | 2  1  2  2  2  2  2           2  3  2  3  2  3     3  1  2  1  2  2  2   |     40  2.0|
      Atrium, Thrombosis                   |                                                                          |      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  51                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 6| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 2| 2| 6| 2| 1| 2| 2| 8| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 7|            |
                                           | 9| 9| 4| 9| 7| 9| 9| 4| 5| 2| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 6| 9| 9|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Degeneration, Focal                  |             2        1                                         2         |      6  1.5|
      Hematopoietic Cell Proliferation,    |                                                                          |            |
           Multifocal                      |       2                       2                                          |      2  2.0|
      Hemorrhage                           |                                                                          |      1  4.0|
      Hyperplasia, Focal                   | 2                 2                 2                                    |      4  1.8|
      Hyperplasia, Multifocal              |                                              2                           |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Hemorrhage                           |                                                                          |      1  4.0|
      Hyperplasia, Focal                   | 1                                                                        |      5  1.6|
      Hyperplasia, Multifocal              |             3                                                            |      3  3.3|
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperplasia, Focal                   |                         2                                                |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Parathyroid Gland                       | +  M  +  +  M  +  +  +  +  +  +  +  +  +  +  M  +  +  +  M  +  M  +  +  +|  41        |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Pars Distalis, Abscess               |             4                                                            |      1  4.0|
      Pars Distalis, Cyst                  | 2                                                                        |      1  2.0|
      Pars Distalis, Hemorrhage            |                                                                          |      1  2.0|
      Pars Distalis, Hyperplasia, Focal    |                                                 2  2  2                  |      7  2.0|
      Pars Intermedia, Cyst                |                                     X                                    |      1     |
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      C-Cell, Hyperplasia, Focal           | 2                                               2                        |      3  2.0|
      C-Cell, Hyperplasia, Multifocal      |                                                                          |      3  2.7|
      Follicle, Cyst                       |                                           X                              |      1     |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  52                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 6| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 2| 2| 6| 2| 1| 2| 2| 8| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 7|            |
                                           | 9| 9| 4| 9| 7| 9| 9| 4| 5| 2| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 6| 9| 9|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Epididymis                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Preputial Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  48        |
      Abscess                              |                                                                          |      1  3.0|
      Inflammation, Acute, Focal           |                                                                          |      1  2.0|
      Inflammation, Acute, Multifocal      |                                                                          |      1  2.0|
      Inflammation, Chronic, Focal         |       2                    2                                   1         |      3  1.7|
      Inflammation, Chronic, Multifocal    |                      2  2                 2  2  2     2  2               |     15  1.8|
      Inflammation, Chronic Active, Focal  |                                                    2                 2   |      2  2.0|
      Inflammation, Chronic Active,        |                                                                          |            |
          Multifocal                       |          2                                                               |      1  2.0|
      Inflammation, Multifocal, Subacute   |                                                                   2      |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Hyperplasia, Focal                   |                1                             1                 1     2   |      7  1.4|
      Inflammation, Acute, Focal           |                                  3                                       |      1  3.0|
      Inflammation, Chronic, Focal         |          2                                                           2  2|      4  2.0|
      Inflammation, Chronic, Multifocal    |             2                                                            |      1  2.0|
      Inflammation, Chronic Active,        |                                                                          |            |
          Multifocal                       |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Atrophy, Diffuse                     | 3     3     4  3  2  3  3     2           3              4     3     3  3|     27  3.0|
      Dilatation                           |                                                                          |      1  2.0|
      Inflammation, Chronic, Multifocal    |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Atrophy, Diffuse                     |                      3                                                  3|      4  2.8|
      Atrophy, Focal                       |                                                                   1      |      1  1.0|
      Atrophy                              |                                                                          |      1  2.0|
      Granuloma Sperm                      |          2                                                               |      1  2.0|
      Interstitial Cell, Hyperplasia,      |                                                                          |            |
          Multifocal                       |                            2        2                                   2|      5  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  53                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 6| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 2| 2| 6| 2| 1| 2| 2| 8| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 7|            |
                                           | 9| 9| 4| 9| 7| 9| 9| 4| 5| 2| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 6| 9| 9|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Blood                                   |                                                                          |   1        |
                                           |__________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperplasia                          |          2                                                               |      3  2.0|
      Infiltration Cellular, Focal,        |                                                                          |            |
          Histiocyte                       |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  M  +  +  +|  48        |
      Degeneration, Cystic                 |          2                                      3                        |      3  2.3|
      Hyperplasia, Plasma Cell             |                                                                          |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  48        |
      Congestion                           |                                                                          |      1  2.0|
      Degeneration, Cystic                 |                                                                          |      1  3.0|
      Hyperplasia, Lymphoid                |                                                             2            |      1  2.0|
      Infiltration Cellular, Histiocyte    | 3                                               2                        |      3  2.3|
                                           |__________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Atrophy, Focal                       |                                                                          |      1  2.0|
      Fibrosis, Diffuse                    |                                                                          |      1  2.0|
      Fibrosis, Focal                      |                                                       2  2               |      3  2.7|
      Hematopoietic Cell Proliferation     |                                                                          |      2  2.0|
      Lymphoid Follicle, Atrophy           |       2                                                                  |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  M  M  +  +  +  M  +  +  +  +  M  M  M  +  +  +  +  +|  39        |
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  M  M  M  +  +  M  +  M  +  M  +  +  M  +  +  +  +  +  M|  37        |
      Inflammation, Chronic                |                                           3                              |      1  3.0|
      Acinus, Hyperplasia, Focal           |                                                                          |      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  54                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 6| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 2| 2| 6| 2| 1| 2| 2| 8| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 7|            |
                                           | 9| 9| 4| 9| 7| 9| 9| 4| 5| 2| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 6| 9| 9|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 INTEGUMENTARY SYSTEM - cont               |                                                                          |            |
      Duct, Ectasia                        |    2                                                     2        3      |      8  2.3|
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cyst Epithelial Inclusion            |          X                                                               |      1     |
      Inflammation, Acute, Focal           |                                                                          |      1  1.0|
      Inflammation, Chronic, Focal         |                                  2                                       |      1  2.0|
      Subcutaneous Tissue, Fibrosis, Focal | 3                                                                        |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperostosis                         |                      3                                                   |      2  2.5|
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hydrocephalus                        |                                                                          |      1  2.0|
      Cerebellum, Necrosis, Focal          |                                                                         2|      1  2.0|
      Hypothalamus, Compression            |                                                                          |      3  2.3|
                                           |__________________________________________________________________________|____________|
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cyst                                 |                                                                          |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Fibrosis, Focal                      |                                        1                                 |      1  1.0|
      Foreign Body                         |                   2                                                      |      2  2.0|
      Infiltration Cellular, Multifocal,   |                                                                          |            |
           Histiocyte                      |                                  1  1                                    |      4  1.0|
      Inflammation, Acute, Multifocal      |                                                                          |      1  3.0|
      Inflammation, Granulomatous,         |                                                                          |            |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  55                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 6| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 2| 2| 6| 2| 1| 2| 2| 8| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 7|            |
                                           | 9| 9| 4| 9| 7| 9| 9| 4| 5| 2| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 6| 9| 9|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
          Multifocal                       |                   2                                                      |      1  2.0|
      Alveolar Epithelium, Hyperplasia,    |                                                                          |            |
           Focal                           |                                                       4                  |      3  3.7|
      Interstitium, Inflammation, Chronic, |                                                                          |            |
           Multifocal                      |                                                                          |      2  2.0|
      Peribronchiolar, Hyperplasia,        |                                                                          |            |
          Lymphoid                         |                                                                2         |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Foreign Body                         |                                        2        2                        |      2  2.0|
      Fungus                               |          2                 2        2                          2         |      7  2.0|
      Mucosa, Cytoplasmic Alteration,      |                                                                          |            |
          Multifocal                       |    1                                               1                     |      2  1.0|
      Mucosa, Foreign Body, Focal          |          2                                                               |      1  2.0|
      Mucosa, Inflammation, Acute, Focal   |                                                                          |      1  3.0|
      Mucosa, Inflammation, Acute,         |                                                                          |            |
          Multifocal                       |                                                                          |      2  1.5|
      Mucosa, Inflammation, Chronic,       |                                                                          |            |
          Multifocal                       |                                  2              2                        |      2  2.0|
      Mucosa, Inflammation, Chronic Active,|                                                                          |            |
           Multifocal                      |          2                 2        2                          2         |      5  2.0|
      Mucosa, Inflammation, Focal, Subacute|                                        1                                 |      1  1.0|
      Mucosa, Inflammation, Multifocal,    |                                                                          |            |
           Subacute                        |                                                       2                  |      2  2.0|
      Mucosa, Metaplasia, Multifocal,      |                                                                          |            |
          Squamous                         |                                                                          |      1  2.0|
      Nasolacrimal Duct, Inflammation,     |                                                                          |            |
           Chronic                         |                               1        2     2                    1      |      7  1.4|
      Nasolacrimal Duct, Inflammation,     |                                                                          |            |
           Chronic Active                  |                                                                          |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES 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  56                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 6| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 2| 2| 6| 2| 1| 2| 2| 8| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 7|            |
                                           | 9| 9| 4| 9| 7| 9| 9| 4| 5| 2| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 6| 9| 9|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|      A     |
    VEHICLE                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 SPECIAL SENSES SYSTEM - cont              |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Lens, Cataract                       | 4     4                          3  2                                    |      6  3.0|
      Retina, Atrophy                      | 4              3  1     1     1  2  2  2     2     1  2  3               |     14  2.0|
      Sclera, Metaplasia, Focal, Osseous   | 1     1  1     1     1        2  1  1           1  1     2     1         |     21  1.2|
      Sclera, Metaplasia, Multifocal,      |                                                                          |            |
          Osseous                          |    3        2           2              2  1           1     2     2  2   |     22  2.0|
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cyst                                 |                                                                          |      1  2.0|
      Nephropathy, Chronic, Multifocal     | 3  2     2  4  3  3  1  2     2  3  3  3  1  3  3  3  2  3  3  3  2  3  2|     47  2.4|
      Renal Tubule, Pigmentation           |                         3                                                |      2  2.5|
      Transitional Epithelium, Hyperplasia |                                           2                              |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Dilatation                           |                                                                          |      1  4.0|
 __________________________________________________________________________________________________________________________________ 
                                                                                                                                    
  * : 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  57                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 2| 7| 7| 7| 5| 7| 7| 6| 5| 4| 7| 7| 7| 6| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 3|             
                             DAY ON TEST   | 3| 3| 3| 3| 7| 2| 2| 7| 8| 1| 2| 2| 2| 6| 5| 3| 3| 3| 8| 8| 3| 3| 3| 2| 8|             
                                           | 6| 1| 1| 1| 6| 9| 9| 4| 5| 5| 9| 9| 9| 6| 5| 0| 0| 0| 8| 2| 0| 0| 0| 3| 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|             
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    20 PPM                                 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |__________________________________________________________________________|             
   Esophagus                               | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Rectum                 | M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Degeneration, Cystic, Focal          |                                  2              2           2            |             
      Degeneration, Cystic, Multifocal     |                               2                                   2      |             
      Fatty Change                         |                      1  2              3        1                    3   |             
      Focal Cellular Change                |    X  X  X        X           X  X        X  X  X        X     X         |             
      Hepatodiaphragmatic Nodule           |                                                    X                     |             
      Hyperplasia, Focal                   |                                                                          |             
      Hyperplasia, Multifocal              |                                                                          |             
      Inflammation, Chronic, Multifocal    |                                              1                           |             
      Necrosis, Acute, Multifocal          |                      4                                                   |             
      Bile Duct, Hyperplasia, Multifocal   |    2  2  2  3  3  2  2  3     2  2  3  3  1  2  2  1  2  2  1  2  1  3  1|             
      Centrilobular, Necrosis, Acute       |                                                       3  4               |             
      Vein, Thrombosis                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Mesentery                               |                      +                 +        +                        |             
      Fat, Necrosis                        |                                                 2                        |             
                                           |__________________________________________________________________________|             
   Pancreas                                | M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Acinus, Atrophy, Focal               |          2                                   2           1     1         |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  58                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 2| 7| 7| 7| 5| 7| 7| 6| 5| 4| 7| 7| 7| 6| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 3|             
                             DAY ON TEST   | 3| 3| 3| 3| 7| 2| 2| 7| 8| 1| 2| 2| 2| 6| 5| 3| 3| 3| 8| 8| 3| 3| 3| 2| 8|             
                                           | 6| 1| 1| 1| 6| 9| 9| 4| 5| 5| 9| 9| 9| 6| 5| 0| 0| 0| 8| 2| 0| 0| 0| 3| 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|             
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    20 PPM                                 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
      Acinus, Atrophy, Multifocal          |                               2  2              3           2        2   |             
      Acinus, Focal Cellular Change        |                                                                          |             
      Acinus, Hyperplasia, Focal           |                                              2                           |             
      Artery, Inflammation, Chronic        |                                                                          |             
                                           |__________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|             
                                           |__________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer                                |                                                                          |             
                                           |__________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Erosion, Focal                       |                                                                          |             
      Erosion, Multifocal                  |                                                       3                  |             
                                           |__________________________________________________________________________|             
   Tooth                                   |             +                                                            |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Blood Vessel                            |                                                                         +|             
      Aorta, Arteriosclerosis              |                                                                         4|             
                                           |__________________________________________________________________________|             
   Heart                                   | +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cardiomyopathy, Multifocal           | 2  2     1  2  2  2     2     2  2  1  1  2  2  2  2     2  2  1  2  2   |             
      Mineralization, Multifocal           |                                                                          |             
      Atrium, Thrombosis                   |                         X                 X                              |             
      Valve, Inflammation, Chronic         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |__________________________________________________________________________|             
   Adrenal Gland                           | +  +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Adrenal Gland, Cortex                   | +  +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|             
      Accessory Adrenal Cortical Nodule    |                                                                          |             
      Degeneration, Focal                  |                                  2                                       |             
      Hyperplasia, Focal                   |                                              2                           |             
                                           |__________________________________________________________________________|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  59                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 2| 7| 7| 7| 5| 7| 7| 6| 5| 4| 7| 7| 7| 6| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 3|             
                             DAY ON TEST   | 3| 3| 3| 3| 7| 2| 2| 7| 8| 1| 2| 2| 2| 6| 5| 3| 3| 3| 8| 8| 3| 3| 3| 2| 8|             
                                           | 6| 1| 1| 1| 6| 9| 9| 4| 5| 5| 9| 9| 9| 6| 5| 0| 0| 0| 8| 2| 0| 0| 0| 3| 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|             
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    20 PPM                                 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
   Adrenal Gland, Medulla                  | +  +  +     +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  M  +  +  M  +|             
      Hyperplasia, Focal                   |                                                                          |             
      Hyperplasia, Multifocal              |                                        2                                 |             
                                           |__________________________________________________________________________|             
   Islets, Pancreatic                      | M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|             
                                           |__________________________________________________________________________|             
   Parathyroid Gland                       | +  +  M  M  +  +  +  +  +  +  +  +  M  M  +  M  +  +  M  +  M  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M|             
      Pars Distalis, Angiectasis           |                                                             2     2      |             
      Pars Distalis, Cyst                  |                                                                          |             
      Pars Distalis, Hyperplasia, Focal    |       2  2              2  2                                             |             
      Pars Distalis, Hyperplasia,          |                                                                          |             
          Multifocal                       |                               2                                          |             
                                           |__________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      C-Cell, Hyperplasia, Focal           |                               2  2                          1        2   |             
      C-Cell, Hyperplasia, Multifocal      |                   2                                      2        2      |             
      Follicle, Cyst                       |                                                    2                     |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Epididymis                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Preputial Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  M  +|             
      Hyperplasia, Focal                   |                         1                                                |             
      Inflammation, Acute, Multifocal      |                                                                          |             
      Inflammation, Chronic, Diffuse       |                      2                    2           4                  |             
      Inflammation, Chronic, Focal         |                                                                          |             
      Inflammation, Chronic, Multifocal    |    2              2     1        2     2     1  2  2                     |             
      Inflammation, Chronic Active, Focal  |             2                                                            |             
      Inflammation, Chronic Active,        |                                                                          |             
          Multifocal                       |       2                                                           2      |             
                                           |__________________________________________________________________________|             
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  60                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 2| 7| 7| 7| 5| 7| 7| 6| 5| 4| 7| 7| 7| 6| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 3|             
                             DAY ON TEST   | 3| 3| 3| 3| 7| 2| 2| 7| 8| 1| 2| 2| 2| 6| 5| 3| 3| 3| 8| 8| 3| 3| 3| 2| 8|             
                                           | 6| 1| 1| 1| 6| 9| 9| 4| 5| 5| 9| 9| 9| 6| 5| 0| 0| 0| 8| 2| 0| 0| 0| 3| 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|             
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    20 PPM                                 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
      Hyperplasia, Focal                   |                                                                          |             
      Inflammation, Chronic, Focal         |                                           2                              |             
      Inflammation, Chronic Active, Diffuse|                                                                          |             
      Inflammation, Focal, Subacute        |                                                                          |             
      Epithelium, Hyperplasia, Multifocal  |                                                                      2   |             
                                           |__________________________________________________________________________|             
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +|             
      Atrophy, Diffuse                     |    2  2  2        3  4           2  2  4  3  2  4  3  3              2   |             
      Inflammation, Acute                  |                                                                          |             
                                           |__________________________________________________________________________|             
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy, Diffuse                     |                3              4           4     4                        |             
      Interstitial Cell, Hyperplasia,      |                                                                          |             
          Multifocal                       |                2                          1     2                        |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                      2        2           4           2                  |             
                                           |__________________________________________________________________________|             
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Mediastinal, Hemorrhage              |                                                       4                  |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|             
      Congestion                           |             2                                                            |             
      Degeneration, Cystic                 |                                                                          |             
      Hyperplasia, Lymphoid                |                   2                                                      |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Degeneration, Cystic                 |                                                                          |             
      Hemorrhage                           |                                                       2                  |             
      Hyperplasia, Lymphoid                |                      2                                                   |             
      Infiltration Cellular, Histiocyte    |                                                                          |             
                                           |__________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                                                       4                  |             
      Fibrosis, Focal                      |       3                                                                  |             
      Hematopoietic Cell Proliferation     |                      2                    2              2               |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  61                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 2| 7| 7| 7| 5| 7| 7| 6| 5| 4| 7| 7| 7| 6| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 3|             
                             DAY ON TEST   | 3| 3| 3| 3| 7| 2| 2| 7| 8| 1| 2| 2| 2| 6| 5| 3| 3| 3| 8| 8| 3| 3| 3| 2| 8|             
                                           | 6| 1| 1| 1| 6| 9| 9| 4| 5| 5| 9| 9| 9| 6| 5| 0| 0| 0| 8| 2| 0| 0| 0| 3| 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|             
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    20 PPM                                 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
      Artery, Thrombosis                   |                                                       X                  |             
                                           |__________________________________________________________________________|             
   Thymus                                  | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  M|             
      Acinus, Hyperplasia, Diffuse         |                               2                                          |             
      Acinus, Hyperplasia, Focal           |                                                                          |             
      Duct, Ectasia                        |                                        2                 3           2   |             
                                           |__________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Chronic Active, Focal  |                                                                          |             
      Subcutaneous Tissue, Inflammation,   |                                                                          |             
           Chronic, Focal                  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperostosis                         |                         3                                                |             
                                           |__________________________________________________________________________|             
   Skeletal Muscle                         |                      +                                                   |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hypothalamus, Compression            |                                                          2               |             
                                           |__________________________________________________________________________|             
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |__________________________________________________________________________|             
   Larynx                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage, Multifocal               |                                                       2                  |             
      Hyperplasia, Lymphoid                |                                                       2                  |             
      Infiltration Cellular, Focal,        |                                                                          |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  62                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 2| 7| 7| 7| 5| 7| 7| 6| 5| 4| 7| 7| 7| 6| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 3|             
                             DAY ON TEST   | 3| 3| 3| 3| 7| 2| 2| 7| 8| 1| 2| 2| 2| 6| 5| 3| 3| 3| 8| 8| 3| 3| 3| 2| 8|             
                                           | 6| 1| 1| 1| 6| 9| 9| 4| 5| 5| 9| 9| 9| 6| 5| 0| 0| 0| 8| 2| 0| 0| 0| 3| 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|             
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    20 PPM                                 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 RESPIRATORY SYSTEM - cont                 |                                                                          |             
          Histiocyte                       |                                  1                                       |             
      Infiltration Cellular, Multifocal,   |                                                                          |             
           Histiocyte                      |                                                                1  1      |             
      Inflammation, Acute, Multifocal      |                                                                          |             
      Leukocytosis                         |                                                                         3|             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Multifocal                      |                                                                          |             
      Interstitium, Inflammation, Chronic, |                                                                          |             
           Multifocal                      |                   2                                      1               |             
                                           |__________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fungus                               |                         2     2                 3     3                  |             
      Inflammation, Chronic Active,        |                                                                          |             
          Multifocal                       |                                                                          |             
      Mucosa, Inflammation, Acute, Focal   |                2                                                         |             
      Mucosa, Inflammation, Acute,         |                                                                          |             
          Multifocal                       |                                                       4                  |             
      Mucosa, Inflammation, Chronic, Focal |                                                    2                     |             
      Mucosa, Inflammation, Chronic,       |                                                                          |             
          Multifocal                       |                                                                   1      |             
      Mucosa, Inflammation, Chronic Active,|                                                                          |             
           Multifocal                      |       1  2              2     2                 3                        |             
      Mucosa, Metaplasia, Focal, Squamous  |                                                 2                        |             
      Nasolacrimal Duct, Inflammation,     |                                                                          |             
           Chronic                         |    2           2  2                                                      |             
      Nasolacrimal Duct, Inflammation,     |                                                                          |             
           Chronic Active                  |                                                             2            |             
                                           |__________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Ear                                     |          M                             M                                 |             
                                           |__________________________________________________________________________|             
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Anterior Chamber, Hemorrhage         |                                                                          |             
      Cornea, Inflammation, Chronic Active |          2                                                               |             
      Lens, Cataract                       | 2        3  2        1                       2                    2      |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  63                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 2| 7| 7| 7| 5| 7| 7| 6| 5| 4| 7| 7| 7| 6| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 3|             
                             DAY ON TEST   | 3| 3| 3| 3| 7| 2| 2| 7| 8| 1| 2| 2| 2| 6| 5| 3| 3| 3| 8| 8| 3| 3| 3| 2| 8|             
                                           | 6| 1| 1| 1| 6| 9| 9| 4| 5| 5| 9| 9| 9| 6| 5| 0| 0| 0| 8| 2| 0| 0| 0| 3| 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|             
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    20 PPM                                 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 SPECIAL SENSES SYSTEM - cont              |                                                                          |             
      Retina, Atrophy                      |          4     2                             4                       2   |             
      Sclera, Metaplasia, Focal, Osseous   |          1                    1           1              2     2        1|             
      Sclera, Metaplasia, Multifocal,      |                                                                          |             
          Osseous                          |    2  2     1     2     2        2  2  2     1  2  2  1     2     2  2   |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cyst                                 |       2                                                                  |             
      Nephropathy, Chronic, Multifocal     |    2  3  3  1  2  2  2  2     2  2  2  2  1  2  2  2  2  2  3  2  3  3   |             
      Papilla, Necrosis                    |                                                                          |             
      Pelvis, Dilatation                   |                                                                         2|             
      Renal Tubule, Mineralization,        |                                                                          |             
          Multifocal                       |                                                                         3|             
      Renal Tubule, Pigmentation           |                                        3                                 |             
                                           |__________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +|             
      Calculus Micro Observation Only      |                                                                          |             
      Inflammation, Hemorrhagic            |                                                                         3|             
      Inflammation, Subacute               |                                                                          |             
 __________________________________________|__________________________________________________________________________              
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                             Page  64                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 4| 7| 7| 7| 7| 4| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 9| 6| 2| 3| 3| 3| 3| 3| 6| 3| 3| 3| 9| 6|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 5| 0| 4| 0| 4| 7| 0| 0| 0| 0| 7| 0| 0| 0| 5| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +|  48        |
                                           |__________________________________________________________________________|____________|
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Degeneration, Cystic, Focal          |                1     1     1                                             |      6  1.5|
      Degeneration, Cystic, Multifocal     |                                                                          |      2  2.0|
      Fatty Change                         |                                                 2  1                 1  2|      9  1.8|
      Focal Cellular Change                |             X  X     X  X     X              X  X  X  X     X  X  X      |     23     |
      Hepatodiaphragmatic Nodule           |       X                                   X        X                     |      4     |
      Hyperplasia, Focal                   |                   3                                                      |      1  3.0|
      Hyperplasia, Multifocal              |                   3                                                      |      1  3.0|
      Inflammation, Chronic, Multifocal    |                                                             2            |      2  1.5|
      Necrosis, Acute, Multifocal          |                                                                          |      1  4.0|
      Bile Duct, Hyperplasia, Multifocal   | 2  2  2  2  2  2     1  1  2  2  3  1  2  1  2  2  2  2  2  2  1  2  3  2|     47  2.0|
      Centrilobular, Necrosis, Acute       |                                                                          |      2  3.5|
      Vein, Thrombosis                     |                                                       2                  |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Mesentery                               |                               +                       +                  |   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  65                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 4| 7| 7| 7| 7| 4| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 9| 6| 2| 3| 3| 3| 3| 3| 6| 3| 3| 3| 9| 6|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 5| 0| 4| 0| 4| 7| 0| 0| 0| 0| 7| 0| 0| 0| 5| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
      Fat, Necrosis                        |                               3                                          |      2  2.5|
                                           |__________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Acinus, Atrophy, Focal               |    2           2     1  1                          2                 2  2|     11  1.6|
      Acinus, Atrophy, Multifocal          |       1     2                                2                           |      8  2.0|
      Acinus, Focal Cellular Change        |                      X                                                   |      1     |
      Acinus, Hyperplasia, Focal           |             2                                                            |      2  2.0|
      Artery, Inflammation, Chronic        |          3                                                               |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  48        |
                                           |__________________________________________________________________________|____________|
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ulcer                                |                                  3                       3               |      2  3.0|
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Erosion, Focal                       |                                  2                                       |      1  2.0|
      Erosion, Multifocal                  |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Tooth                                   |                                                                          |   1        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Blood Vessel                            |                            +                                             |   2        |
      Aorta, Arteriosclerosis              |                            4                                             |      2  4.0|
                                           |__________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Cardiomyopathy, Multifocal           | 2  2  2  2  2  2  2  2  2     2        2     3  2  2  2     2  2  2  1  2|     40  1.9|
      Mineralization, Multifocal           |                            3                                             |      1  3.0|
      Atrium, Thrombosis                   |                                              X                           |      3     |
      Valve, Inflammation, Chronic         |                   3                                                  3   |      2  3.0|
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE 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  66                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 4| 7| 7| 7| 7| 4| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 9| 6| 2| 3| 3| 3| 3| 3| 6| 3| 3| 3| 9| 6|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 5| 0| 4| 0| 4| 7| 0| 0| 0| 0| 7| 0| 0| 0| 5| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  48        |
      Accessory Adrenal Cortical Nodule    |                                                    X                     |      1     |
      Degeneration, Focal                  |                   2  2           2                                2     2|      6  2.0|
      Hyperplasia, Focal                   |          2     2                    1  1     2     2  2                  |      8  1.8|
                                           |__________________________________________________________________________|____________|
   Adrenal Gland, Medulla                  | +  M  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  44        |
      Hyperplasia, Focal                   |             2              2                                             |      2  2.0|
      Hyperplasia, Multifocal              |                                  2                                       |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +|  47        |
                                           |__________________________________________________________________________|____________|
   Parathyroid Gland                       | M  +  M  +  +  M  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  39        |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  48        |
      Pars Distalis, Angiectasis           |                                                                          |      2  2.0|
      Pars Distalis, Cyst                  |                                        X                                 |      1     |
      Pars Distalis, Hyperplasia, Focal    |                      2                       2                           |      6  2.0|
      Pars Distalis, Hyperplasia,          |                                                                          |            |
          Multifocal                       |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      C-Cell, Hyperplasia, Focal           |                                              2        2                  |      6  1.8|
      C-Cell, Hyperplasia, Multifocal      |                                                                          |      3  2.0|
      Follicle, Cyst                       |                                                                          |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Epididymis                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  67                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 4| 7| 7| 7| 7| 4| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 9| 6| 2| 3| 3| 3| 3| 3| 6| 3| 3| 3| 9| 6|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 5| 0| 4| 0| 4| 7| 0| 0| 0| 0| 7| 0| 0| 0| 5| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 GENITAL SYSTEM - cont                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Preputial Gland                         | +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  47        |
      Hyperplasia, Focal                   |                                              2                           |      2  1.5|
      Inflammation, Acute, Multifocal      |                            4                                             |      1  4.0|
      Inflammation, Chronic, Diffuse       |                                                                          |      3  2.7|
      Inflammation, Chronic, Focal         |                                                          2               |      1  2.0|
      Inflammation, Chronic, Multifocal    | 1                 2  2  2        3     2  1     1  1        2  1  1  1   |     21  1.6|
      Inflammation, Chronic Active, Focal  |                                                                          |      1  2.0|
      Inflammation, Chronic Active,        |                                                                          |            |
          Multifocal                       |    1        2  2              2                                          |      6  1.8|
                                           |__________________________________________________________________________|____________|
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Hyperplasia, Focal                   |          2  2                                               2            |      3  2.0|
      Inflammation, Chronic, Focal         |                                                                   2      |      2  2.0|
      Inflammation, Chronic Active, Diffuse|                            4                                             |      1  4.0|
      Inflammation, Focal, Subacute        |                      2                                                   |      1  2.0|
      Epithelium, Hyperplasia, Multifocal  |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Atrophy, Diffuse                     | 1           3  2  3  2  2        3        3  3  3  2  2     2     2  3  2|     30  2.5|
      Inflammation, Acute                  |                            2                                             |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Atrophy, Diffuse                     | 1                                                                        |      5  3.2|
      Interstitial Cell, Hyperplasia,      |                                                                          |            |
          Multifocal                       | 1                       2     2        2  2                              |      8  1.8|
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperplasia                          |                            2              2                              |      6  2.3|
                                           |__________________________________________________________________________|____________|
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Mediastinal, Hemorrhage              |                                                                          |      1  4.0|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  68                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 4| 7| 7| 7| 7| 4| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 9| 6| 2| 3| 3| 3| 3| 3| 6| 3| 3| 3| 9| 6|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 5| 0| 4| 0| 4| 7| 0| 0| 0| 0| 7| 0| 0| 0| 5| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  M  +  M  +  +|  45        |
      Congestion                           |                                                                          |      1  2.0|
      Degeneration, Cystic                 |                2                                                         |      1  2.0|
      Hyperplasia, Lymphoid                |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Degeneration, Cystic                 |          2                                                               |      1  2.0|
      Hemorrhage                           |                                                                          |      1  2.0|
      Hyperplasia, Lymphoid                |                                                                          |      1  2.0|
      Infiltration Cellular, Histiocyte    |                         2                 2                 2            |      3  2.0|
                                           |__________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Congestion                           |                                                                          |      1  4.0|
      Fibrosis, Focal                      |                                                                          |      1  3.0|
      Hematopoietic Cell Proliferation     |                                                                          |      3  2.0|
      Artery, Thrombosis                   |                                                                          |      1     |
                                           |__________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  M  M  +  +  +  +  +  +  +  +  M  +  M  +  +  +  +  +  +  +|  45        |
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mammary Gland                           | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  M  +  +  +|  44        |
      Acinus, Hyperplasia, Diffuse         |                                                                          |      1  2.0|
      Acinus, Hyperplasia, Focal           |                                           1                              |      1  1.0|
      Duct, Ectasia                        |                         2     3     2                       2        1   |      8  2.1|
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Inflammation, Chronic Active, Focal  |       2                                                                  |      1  2.0|
      Subcutaneous Tissue, Inflammation,   |                                                                          |            |
           Chronic, Focal                  |                   2                                                      |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL 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  69                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 4| 7| 7| 7| 7| 4| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 9| 6| 2| 3| 3| 3| 3| 3| 6| 3| 3| 3| 9| 6|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 5| 0| 4| 0| 4| 7| 0| 0| 0| 0| 7| 0| 0| 0| 5| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 MUSCULOSKELETAL SYSTEM - cont             |                                                                          |            |
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperostosis                         |                   2                                                      |      2  2.5|
                                           |__________________________________________________________________________|____________|
   Skeletal Muscle                         |                                                                          |   1        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hypothalamus, Compression            |                         3           4                       3            |      4  3.0|
                                           |__________________________________________________________________________|____________|
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hemorrhage, Multifocal               |                                                                          |      1  2.0|
      Hyperplasia, Lymphoid                |                                                                          |      1  2.0|
      Infiltration Cellular, Focal,        |                                                                          |            |
          Histiocyte                       |                                                                          |      1  1.0|
      Infiltration Cellular, Multifocal,   |                                                                          |            |
           Histiocyte                      |                1  1  1  1     1        1                    1            |      9  1.0|
      Inflammation, Acute, Multifocal      |                            2                                             |      1  2.0|
      Leukocytosis                         |                                                                          |      1  3.0|
      Alveolar Epithelium, Hyperplasia,    |                                                                          |            |
           Multifocal                      |                                     2                                   2|      2  2.0|
      Interstitium, Inflammation, Chronic, |                                                                          |            |
           Multifocal                      |                                                                          |      2  1.5|
                                           |__________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Fungus                               |                            2                 2     2  2                 2|      9  2.2|
      Inflammation, Chronic Active,        |                                                                          |            |
          Multifocal                       |                                                    2  2                  |      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  70                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 4| 7| 7| 7| 7| 4| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 9| 6| 2| 3| 3| 3| 3| 3| 6| 3| 3| 3| 9| 6|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 5| 0| 4| 0| 4| 7| 0| 0| 0| 0| 7| 0| 0| 0| 5| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
      Mucosa, Inflammation, Acute, Focal   |                                                                          |      1  2.0|
      Mucosa, Inflammation, Acute,         |                                                                          |            |
          Multifocal                       |                            2                                             |      2  3.0|
      Mucosa, Inflammation, Chronic, Focal |                                                                   1      |      2  1.5|
      Mucosa, Inflammation, Chronic,       |                                                                          |            |
          Multifocal                       |                      1                                                   |      2  1.0|
      Mucosa, Inflammation, Chronic Active,|                                                                          |            |
           Multifocal                      |                                        3     2                          2|      8  2.1|
      Mucosa, Metaplasia, Focal, Squamous  |                                                                          |      1  2.0|
      Nasolacrimal Duct, Inflammation,     |                                                                          |            |
           Chronic                         | 2  2     2     2              1                    2           2         |     10  1.9|
      Nasolacrimal Duct, Inflammation,     |                                                                          |            |
           Chronic Active                  |             2                                                            |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Ear                                     |                                                          +               |   1        |
                                           |__________________________________________________________________________|____________|
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Anterior Chamber, Hemorrhage         |                      4                                                   |      1  4.0|
      Cornea, Inflammation, Chronic Active |                                                                          |      1  2.0|
      Lens, Cataract                       |    1                 3  3                                      2         |     10  2.1|
      Retina, Atrophy                      |    1                 4  4                    2  2                        |      9  2.8|
      Sclera, Metaplasia, Focal, Osseous   | 2     1  2     1        2  1           1                                 |     13  1.4|
      Sclera, Metaplasia, Multifocal,      |                                                                          |            |
          Osseous                          |    2        2        2        1     1     2  2  2  2  2  2  2     2  2  2|     30  1.8|
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cyst                                 |                                                                          |      1  2.0|
      Nephropathy, Chronic, Multifocal     | 2  3  2  2  2  2  2  3  3  4  3  2  2  2     2  2  3  2  2  2  2  2  2  2|     46  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  71                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 4| 7| 7| 7| 7| 4| 7| 7| 7| 6| 6|            |
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 9| 6| 2| 3| 3| 3| 3| 3| 6| 3| 3| 3| 9| 6|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 5| 0| 4| 0| 4| 7| 0| 0| 0| 0| 7| 0| 0| 0| 5| 7|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|      A     |
    20 PPM                                 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    LOW M/F                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 URINARY SYSTEM - cont                     |                                                                          |            |
      Papilla, Necrosis                    |                            4                                             |      1  4.0|
      Pelvis, Dilatation                   |                            2                                             |      2  2.0|
      Renal Tubule, Mineralization,        |                                                                          |            |
          Multifocal                       |                                                                          |      1  3.0|
      Renal Tubule, Pigmentation           |                   2                                                     2|      3  2.3|
                                           |__________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Calculus Micro Observation Only      |                            2                                             |      1  2.0|
      Inflammation, Hemorrhagic            |                                                                          |      1  3.0|
      Inflammation, Subacute               |                            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  72                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 4| 7| 7| 6| 6| 4| 7| 7| 7| 7| 5| 7| 7| 7| 6| 6| 7| 7| 6| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 6| 2| 9| 3| 2| 3| 1| 8| 3| 3| 3| 7| 2| 3| 3| 0| 3| 6|             
                                           | 0| 0| 0| 0| 6| 0| 0| 6| 7| 8| 0| 6| 0| 1| 2| 0| 0| 0| 5| 1| 0| 0| 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| 0| 0|             
   FISCHER 344 RATS MALE                   | 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   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    100 PPM                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |__________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large                         | +     +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Cecum                  | +     +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Colon                  | +     +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Rectum                 | +     +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ectopic Tissue                       |                                                    X                     |             
                                           |__________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +|             
                                           |__________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Basophilic Focus                     |       1                       1                                          |             
      Degeneration, Cystic, Focal          |                                                    4                     |             
      Fatty Change                         |                                  1                    2                 4|             
      Focal Cellular Change                |    X           X  X  X  X     X     X  X     X  X           X  X     X   |             
      Hepatodiaphragmatic Nodule           |                                  X                                       |             
      Hyperplasia, Multifocal              |                                                    3                     |             
      Inflammation, Chronic, Multifocal    |                                                                          |             
      Necrosis, Acute, Multifocal          |                                                                          |             
      Bile Duct, Hyperplasia, Multifocal   |    1  2  1  2  2  2  2  1     2  1  2  2  1  2  2  3  3  2  2  2     2  2|             
      Centrilobular, Congestion, Chronic   |                                                                   3      |             
                                           |__________________________________________________________________________|             
   Mesentery                               |                                                                          |             
      Fat, Necrosis                        |                                                                          |             
                                           |__________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Acinus, Atrophy, Diffuse             |                                                                          |             
      Acinus, Atrophy, Focal               |       2        1                 1              3           3            |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  73                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 4| 7| 7| 6| 6| 4| 7| 7| 7| 7| 5| 7| 7| 7| 6| 6| 7| 7| 6| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 6| 2| 9| 3| 2| 3| 1| 8| 3| 3| 3| 7| 2| 3| 3| 0| 3| 6|             
                                           | 0| 0| 0| 0| 6| 0| 0| 6| 7| 8| 0| 6| 0| 1| 2| 0| 0| 0| 5| 1| 0| 0| 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| 0| 0|             
   FISCHER 344 RATS MALE                   | 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   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    100 PPM                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
      Acinus, Atrophy, Multifocal          |                   2                                                      |             
      Artery, Inflammation, Chronic        |                                           4                              |             
                                           |__________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Erosion                              |                                                                          |             
      Inflammation, Chronic Active, Diffuse|                                                                          |             
      Inflammation, Subacute               |                                                                          |             
      Ulcer                                |                                                                          |             
                                           |__________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Erosion, Focal                       |                         2                                2               |             
                                           |__________________________________________________________________________|             
   Tooth                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cardiomyopathy, Multifocal           | 1  1  1  1  1  2  2  1  1     2  2  2  2  1  2  2  2        1  2  2  2   |             
      Atrium, Thrombosis                   |                                                    2     X        X      |             
      Coronary Artery, Inflammation,       |                                                                          |             
          Chronic                          |                            3                                             |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |__________________________________________________________________________|             
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Degeneration, Focal                  |    2           2                                                         |             
      Degeneration, Multifocal             |                                                                          |             
      Hematopoietic Cell Proliferation,    |                                                                          |             
           Multifocal                      |          2                                                     1         |             
      Hyperplasia, Focal                   |                                                 1                        |             
      Hyperplasia, Multifocal              |       1                                                                  |             
                                           |__________________________________________________________________________|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  74                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 4| 7| 7| 6| 6| 4| 7| 7| 7| 7| 5| 7| 7| 7| 6| 6| 7| 7| 6| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 6| 2| 9| 3| 2| 3| 1| 8| 3| 3| 3| 7| 2| 3| 3| 0| 3| 6|             
                                           | 0| 0| 0| 0| 6| 0| 0| 6| 7| 8| 0| 6| 0| 1| 2| 0| 0| 0| 5| 1| 0| 0| 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| 0| 0|             
   FISCHER 344 RATS MALE                   | 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   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    100 PPM                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Focal                   |       1                                            1                     |             
                                           |__________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Focal                   |                                                       2                  |             
                                           |__________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage                           |       2                                                                  |             
      Pars Distalis, Angiectasis           |                                                                          |             
      Pars Distalis, Cyst                  |                                                                          |             
      Pars Distalis, Hyperplasia, Focal    |                      2                 2           4        1            |             
      Pars Distalis, Hyperplasia,          |                                                                          |             
          Multifocal                       |          2                                                               |             
                                           |__________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      C-Cell, Hyperplasia, Focal           |    1     2                                                               |             
      Follicle, Cyst                       |                               X                                      2   |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Epididymis                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Granuloma Sperm                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Preputial Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Abscess                              |                                        2                                 |             
      Hyperplasia, Focal                   |                                                                          |             
      Inflammation, Chronic, Diffuse       |                                                                          |             
      Inflammation, Chronic, Focal         | 1                                                  2                     |             
      Inflammation, Chronic, Multifocal    |          1  2                 1     2                 2                 2|             
      Inflammation, Chronic Active, Focal  |                                                                          |             
      Inflammation, Chronic Active,        |                                                                          |             
          Multifocal                       |                                  2                             2     2   |             
                                           |__________________________________________________________________________|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  75                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 4| 7| 7| 6| 6| 4| 7| 7| 7| 7| 5| 7| 7| 7| 6| 6| 7| 7| 6| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 6| 2| 9| 3| 2| 3| 1| 8| 3| 3| 3| 7| 2| 3| 3| 0| 3| 6|             
                                           | 0| 0| 0| 0| 6| 0| 0| 6| 7| 8| 0| 6| 0| 1| 2| 0| 0| 0| 5| 1| 0| 0| 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| 0| 0|             
   FISCHER 344 RATS MALE                   | 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   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    100 PPM                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Focal                   |                                                 2                        |             
      Hyperplasia, Multifocal              |                                                                2     2   |             
      Inflammation, Acute, Multifocal      |                                                                          |             
      Inflammation, Chronic Active,        |                                                                          |             
          Multifocal                       |                                                                         2|             
                                           |__________________________________________________________________________|             
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy, Diffuse                     | 2  3     2     2  3  3     2     4  2  3  4     3  2  3  3  3  2  4     4|             
      Dilatation                           |                                                                          |             
      Inflammation, Chronic, Focal         |                                                                          |             
                                           |__________________________________________________________________________|             
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy, Diffuse                     |                                           3                              |             
      Atrophy, Focal                       |                                                                          |             
      Interstitial Cell, Hyperplasia,      |                                                                          |             
          Multifocal                       |                                                                         2|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Blood                                   |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                      2                    2                              |             
                                           |__________________________________________________________________________|             
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +|             
      Congestion                           |             2                                                            |             
      Degeneration, Cystic                 |                                                                          |             
      Hyperplasia, Lymphoid                |       2                                                                  |             
      Hyperplasia, Plasma Cell             |                         2                                                |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage                           |                                                                          |             
      Infiltration Cellular, Histiocyte    |          1                                                  2        2   |             
                                           |__________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  76                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 4| 7| 7| 6| 6| 4| 7| 7| 7| 7| 5| 7| 7| 7| 6| 6| 7| 7| 6| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 6| 2| 9| 3| 2| 3| 1| 8| 3| 3| 3| 7| 2| 3| 3| 0| 3| 6|             
                                           | 0| 0| 0| 0| 6| 0| 0| 6| 7| 8| 0| 6| 0| 1| 2| 0| 0| 0| 5| 1| 0| 0| 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| 0| 0|             
   FISCHER 344 RATS MALE                   | 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   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    100 PPM                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
      Fibrosis, Focal                      |                                                                          |             
      Hematopoietic Cell Proliferation     |                      2                                                   |             
      Lymphoid Follicle, Atrophy           |                         2        2                                       |             
                                           |__________________________________________________________________________|             
   Thymus                                  | +  +  +  +  +  M  M  +  +  +  +  M  +  +  M  +  +  +  M  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Duct, Ectasia                        |                                  2                    2                  |             
                                           |__________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hair Follicle, Atrophy               |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cerebrum, Necrosis, Focal            |                                                                          |             
      Hypothalamus, Compression            |                                  3                                       |             
                                           |__________________________________________________________________________|             
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |__________________________________________________________________________|             
   Larynx                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Abscess, Multifocal                  |                                           3                              |             
      Foreign Body                         |                                                                          |             
      Infiltration Cellular, Multifocal,   |                                                                          |             
           Histiocyte                      |                   1                 1        1                           |             
      Inflammation, Acute, Multifocal      |                                                                          |             
      Alveolar Epithelium, Hyperplasia,    |                                                                          |             
           Focal                           |                4                                               3         |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  77                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 4| 7| 7| 6| 6| 4| 7| 7| 7| 7| 5| 7| 7| 7| 6| 6| 7| 7| 6| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 6| 2| 9| 3| 2| 3| 1| 8| 3| 3| 3| 7| 2| 3| 3| 0| 3| 6|             
                                           | 0| 0| 0| 0| 6| 0| 0| 6| 7| 8| 0| 6| 0| 1| 2| 0| 0| 0| 5| 1| 0| 0| 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| 0| 0|             
   FISCHER 344 RATS MALE                   | 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   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    100 PPM                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 RESPIRATORY SYSTEM - cont                 |                                                                          |             
                                           |__________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Foreign Body                         |                                           2                              |             
      Fungus                               |             2                                                            |             
      Metaplasia, Focal, Squamous          |                                                                          |             
      Mucosa, Inflammation, Chronic,       |                                                                          |             
          Multifocal                       |             2                                                            |             
      Mucosa, Inflammation, Chronic Active,|                                                                          |             
           Multifocal                      |                                           4                              |             
      Mucosa, Inflammation, Multifocal,    |                                                                          |             
           Subacute                        |                                                                          |             
      Mucosa, Metaplasia, Multifocal,      |                                                                          |             
          Squamous                         |                                                                          |             
      Nasolacrimal Duct, Inflammation,     |                                                                          |             
           Chronic                         |                                                                      2   |             
      Nasolacrimal Duct, Inflammation,     |                                                                          |             
           Chronic Active                  |                                                                          |             
      Nasolacrimal Duct, Inflammation,     |                                                                          |             
           Subacute                        |                                                                          |             
                                           |__________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Ear                                     |    M                                                                     |             
                                           |__________________________________________________________________________|             
   Eye                                     | +  +  +  +  +  +  +  M  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Chronic                |                                                                          |             
      Lens, Cataract                       |    1     2                    1        2                                 |             
      Retina, Atrophy                      |    1                                   3                                 |             
      Sclera, Metaplasia, Focal, Osseous   |       1     1  1  1     1              1        1                 1  1   |             
      Sclera, Metaplasia, Multifocal,      |                                                                          |             
          Osseous                          | 1  2     2                    2              2     1        2  2        2|             
                                           |__________________________________________________________________________|             
   Zymbal's Gland                          |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  78                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 4| 7| 7| 6| 6| 4| 7| 7| 7| 7| 5| 7| 7| 7| 6| 6| 7| 7| 6| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 3| 3| 3| 3| 6| 2| 9| 3| 2| 3| 1| 8| 3| 3| 3| 7| 2| 3| 3| 0| 3| 6|             
                                           | 0| 0| 0| 0| 6| 0| 0| 6| 7| 8| 0| 6| 0| 1| 2| 0| 0| 0| 5| 1| 0| 0| 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| 0| 0|             
   FISCHER 344 RATS MALE                   | 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   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    100 PPM                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 __________________________________________|__________________________________________________________________________|             
 URINARY SYSTEM - cont                     |                                                                          |             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cyst                                 |                                                       2                  |             
      Nephropathy, Chronic, Multifocal     | 2  3  1  2     1  2  2        2  3  1  3  2  2  1  3  1  2  2  1     2  2|             
      Renal Tubule, Pigmentation           |                                                          2               |             
                                           |__________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 __________________________________________|__________________________________________________________________________              
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                             Page  79                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7|            |
                             DAY ON TEST   | 3| 3| 3| 0| 5| 3| 3| 3| 9| 3| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3|            |
                                           | 0| 0| 0| 3| 9| 0| 0| 0| 5| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 2| 9| 9| 9| 6| 0|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|      A     |
    100 PPM                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Intestine Large                         | +  +  +  +  A     +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|  46        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  A     +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|  44        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  A     +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|  46        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  A     +  +  +  +  +  +  +  M  +  +  +  +  +  A  +  +  +  +  +|  45        |
                                           |__________________________________________________________________________|____________|
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|  48        |
      Ectopic Tissue                       |                                                                          |      1     |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|  48        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|  46        |
                                           |__________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Basophilic Focus                     |                                                                          |      2  1.0|
      Degeneration, Cystic, Focal          |    1                                                  1                  |      3  2.0|
      Fatty Change                         |                         2  3                                            2|      6  2.3|
      Focal Cellular Change                |    X  X  X        X  X  X     X  X  X  X  X  X  X  X  X  X     X  X     X|     32     |
      Hepatodiaphragmatic Nodule           |                                           X                              |      2     |
      Hyperplasia, Multifocal              |                                                             2            |      2  2.5|
      Inflammation, Chronic, Multifocal    |                                  1              1                        |      2  1.0|
      Necrosis, Acute, Multifocal          |                                                                   2      |      1  2.0|
      Bile Duct, Hyperplasia, Multifocal   | 2  3  2  2  2  3  2  2  3  2  3  2  2  1  2  3  2  2  2  1     2  2     3|     45  2.0|
      Centrilobular, Congestion, Chronic   |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Mesentery                               |                            +     +  +        +                 +         |   5        |
      Fat, Necrosis                        |                            3     3  3                          3         |      4  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  80                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7|            |
                             DAY ON TEST   | 3| 3| 3| 0| 5| 3| 3| 3| 9| 3| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3|            |
                                           | 0| 0| 0| 3| 9| 0| 0| 0| 5| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 2| 9| 9| 9| 6| 0|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|      A     |
    100 PPM                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Acinus, Atrophy, Diffuse             |    4                                                                    2|      2  3.0|
      Acinus, Atrophy, Focal               |                               1     2                                    |      7  1.9|
      Acinus, Atrophy, Multifocal          |       2  2              3        2        1     2  2                     |      8  2.0|
      Artery, Inflammation, Chronic        |                                                                          |      1  4.0|
                                           |__________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Erosion                              |                            2                                             |      1  2.0|
      Inflammation, Chronic Active, Diffuse|                            3                                             |      1  3.0|
      Inflammation, Subacute               |                                                                      2   |      1  2.0|
      Ulcer                                |                            2                                         2   |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Erosion, Focal                       |                                                                          |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Tooth                                   | +                                                                        |   1        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cardiomyopathy, Multifocal           | 1  3  2     2  2  1           2  2  2  2  2  2  1  1  2     2  1  2     2|     40  1.7|
      Atrium, Thrombosis                   |                            4                                             |      4  3.0|
      Coronary Artery, Inflammation,       |                                                                          |            |
          Chronic                          |                      2                                                   |      2  2.5|
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  81                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7|            |
                             DAY ON TEST   | 3| 3| 3| 0| 5| 3| 3| 3| 9| 3| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3|            |
                                           | 0| 0| 0| 3| 9| 0| 0| 0| 5| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 2| 9| 9| 9| 6| 0|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|      A     |
    100 PPM                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Degeneration, Focal                  | 2                                                                        |      3  2.0|
      Degeneration, Multifocal             |          1                                                               |      1  1.0|
      Hematopoietic Cell Proliferation,    |                                                                          |            |
           Multifocal                      | 2        1     1                                                         |      5  1.4|
      Hyperplasia, Focal                   |                   1                    2                                 |      3  1.3|
      Hyperplasia, Multifocal              |                                           3                              |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperplasia, Focal                   |                                                                          |      2  1.0|
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperplasia, Focal                   |                               3                                          |      2  2.5|
                                           |__________________________________________________________________________|____________|
   Parathyroid Gland                       | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Hemorrhage                           |                                                                          |      1  2.0|
      Pars Distalis, Angiectasis           |       2                                                                  |      1  2.0|
      Pars Distalis, Cyst                  |                                        2              2     2            |      3  2.0|
      Pars Distalis, Hyperplasia, Focal    | 3                    2                    3                              |      7  2.4|
      Pars Distalis, Hyperplasia,          |                                                                          |            |
          Multifocal                       |                                              2                           |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      C-Cell, Hyperplasia, Focal           |                3                                   3           2         |      5  2.2|
      Follicle, Cyst                       |                                                                          |      2  2.0|
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Epididymis                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  82                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7|            |
                             DAY ON TEST   | 3| 3| 3| 0| 5| 3| 3| 3| 9| 3| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3|            |
                                           | 0| 0| 0| 3| 9| 0| 0| 0| 5| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 2| 9| 9| 9| 6| 0|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|      A     |
    100 PPM                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 GENITAL SYSTEM - cont                     |                                                                          |            |
      Granuloma Sperm                      |          2                                                               |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Preputial Gland                         | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Abscess                              |                                     4                                    |      2  3.0|
      Hyperplasia, Focal                   |                                     3                                    |      1  3.0|
      Inflammation, Chronic, Diffuse       |                            2                                             |      1  2.0|
      Inflammation, Chronic, Focal         |    2              1                             2                        |      5  1.6|
      Inflammation, Chronic, Multifocal    | 1     1        2        3     2        2  2  1           3     1  1      |     17  1.7|
      Inflammation, Chronic Active, Focal  |                                                       2                  |      1  2.0|
      Inflammation, Chronic Active,        |                                                                          |            |
          Multifocal                       |                                                             2           1|      5  1.8|
                                           |__________________________________________________________________________|____________|
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperplasia, Focal                   | 1                                                     1                  |      3  1.3|
      Hyperplasia, Multifocal              |                                                                          |      2  2.0|
      Inflammation, Acute, Multifocal      |             2                                                            |      1  2.0|
      Inflammation, Chronic Active,        |                                                                          |            |
          Multifocal                       |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +|  49        |
      Atrophy, Diffuse                     | 3  3  3  3  3  4        3  3           4        4  2  3  4  4  3  3     2|     36  3.0|
      Dilatation                           |                   3                                                      |      1  3.0|
      Inflammation, Chronic, Focal         |                   3                                                      |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Atrophy, Diffuse                     |                                                                          |      1  3.0|
      Atrophy, Focal                       |                                                                         2|      1  2.0|
      Interstitial Cell, Hyperplasia,      |                                                                          |            |
          Multifocal                       |                                                                         2|      2  2.0|
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Blood                                   |                                              +                           |   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  83                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7|            |
                             DAY ON TEST   | 3| 3| 3| 0| 5| 3| 3| 3| 9| 3| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3|            |
                                           | 0| 0| 0| 3| 9| 0| 0| 0| 5| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 2| 9| 9| 9| 6| 0|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|      A     |
    100 PPM                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperplasia                          |          2  2                                            2        2      |      6  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Congestion                           |                                                                          |      1  2.0|
      Degeneration, Cystic                 |                                                       2                  |      1  2.0|
      Hyperplasia, Lymphoid                |                                                 2           2            |      3  2.0|
      Hyperplasia, Plasma Cell             |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hemorrhage                           |                               3                                          |      1  3.0|
      Infiltration Cellular, Histiocyte    |       1                                1                                 |      5  1.4|
                                           |__________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Fibrosis, Focal                      |                                                             2            |      1  2.0|
      Hematopoietic Cell Proliferation     |                                                                          |      1  2.0|
      Lymphoid Follicle, Atrophy           |             2                                            4               |      4  2.5|
                                           |__________________________________________________________________________|____________|
   Thymus                                  | +  +  +  M  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  43        |
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +|  48        |
      Duct, Ectasia                        |                               3                                   2      |      4  2.3|
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hair Follicle, Atrophy               |                                                          2               |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 _____________________________________________________________________________________________________________________|            |
                                                                                                                                    
  * : 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  84                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7|            |
                             DAY ON TEST   | 3| 3| 3| 0| 5| 3| 3| 3| 9| 3| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3|            |
                                           | 0| 0| 0| 3| 9| 0| 0| 0| 5| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 2| 9| 9| 9| 6| 0|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|      A     |
    100 PPM                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cerebrum, Necrosis, Focal            |                            4                                             |      1  4.0|
      Hypothalamus, Compression            |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +   |  49        |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Abscess, Multifocal                  |                                                                          |      1  3.0|
      Foreign Body                         |                                                                      2   |      1  2.0|
      Infiltration Cellular, Multifocal,   |                                                                          |            |
           Histiocyte                      |                                  1     1  1                              |      6  1.0|
      Inflammation, Acute, Multifocal      |                                                                      2   |      1  2.0|
      Alveolar Epithelium, Hyperplasia,    |                                                                          |            |
           Focal                           |          3                                3                              |      4  3.3|
                                           |__________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Foreign Body                         |                      2                                1                  |      3  1.7|
      Fungus                               |                                     2        2                       2   |      4  2.0|
      Metaplasia, Focal, Squamous          |                                     1                                    |      1  1.0|
      Mucosa, Inflammation, Chronic,       |                                                                          |            |
          Multifocal                       |                                                                          |      1  2.0|
      Mucosa, Inflammation, Chronic Active,|                                                                          |            |
           Multifocal                      |                      2              2        2                       3   |      5  2.6|
      Mucosa, Inflammation, Multifocal,    |                                                                          |            |
           Subacute                        |                               2        2                                 |      2  2.0|
      Mucosa, Metaplasia, Multifocal,      |                                                                          |            |
          Squamous                         |                                                                      3   |      1  3.0|
      Nasolacrimal Duct, Inflammation,     |                                                                          |            |
           Chronic                         |                               2  2        1        1        1            |      6  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  85                                                               
                                                                                                                                   
NTP Experiment-Test: 05029-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                       DL AMPHETAMINE SULFATE                                  Date: 12/20/01    
Route: DOSED FEED                                                                                                 Time: 10:01:32    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7|            |
                             DAY ON TEST   | 3| 3| 3| 0| 5| 3| 3| 3| 9| 3| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3|            |
                                           | 0| 0| 0| 3| 9| 0| 0| 0| 5| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 2| 9| 9| 9| 6| 0|            |
 __________________________________________|__________________________________________________________________________|      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     |
   FISCHER 344 RATS MALE                   | 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   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|      A     |
    100 PPM                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|      L     |
    HIGH M/F                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|            |
 _____________________________________________________________________________________________________________________|____________|
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
      Nasolacrimal Duct, Inflammation,     |                                                                          |            |
           Chronic Active                  |                                        2                                 |      1  2.0|
      Nasolacrimal Duct, Inflammation,     |                                                                          |            |
           Subacute                        |                                                 2                        |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Ear                                     |                M                                                         |            |
                                           |__________________________________________________________________________|____________|
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  48        |
      Inflammation, Chronic                |                               4                                          |      1  4.0|
      Lens, Cataract                       |                                     2  1                                 |      6  1.5|
      Retina, Atrophy                      |                1                                                         |      3  1.7|
      Sclera, Metaplasia, Focal, Osseous   | 1     1     1                                1                       1   |     14  1.0|
      Sclera, Metaplasia, Multifocal,      |                                                                          |            |
          Osseous                          |    2           2  1  1  1  2     2  2  2  2        1  1  1  2  2  1     2|     26  1.7|
                                           |__________________________________________________________________________|____________|
   Zymbal's Gland                          |             +                                                            |   1        |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cyst                                 |                                                                          |      1  2.0|
      Nephropathy, Chronic, Multifocal     | 2  2  1  2  1  2  2  2  2     2  2  1  2  2  2  1  1  2  2  2  2  1  1  2|     45  1.8|
      Renal Tubule, Pigmentation           |                2           2                 2                           |      4  2.0|
                                           |__________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 __________________________________________________________________________________________________________________________________ 
                                                                                                                                    
  * : 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        
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
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