Skip to Main Navigation
Skip to Page Content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Share This:
https://ntp.niehs.nih.gov/go/4136

TDMS Study 93005-04 Pathology Tables

NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03
Route: DOSED FEED                                                                                                 Time: 07:24:46




       Facility:  National Center for Toxicological Research

       Chemical CAS #:  569-64-2

       Lock Date:  None

       Cage Range:  All

       Reasons For Removal:    All

       Removal Date Range:     All

       Treatment Groups:       Include All






































                                                              Page   1


NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 3| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 7| 6| 9| 4| 7| 9| 7| 7| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 8| 2| 9| 7| 6| 4| 3| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
    0 PPM                                  | 0| 1| 2| 2| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 7| 7| 7| 7| 7| 7|             
                                           | 9| 7| 4| 7| 1| 2| 4| 5| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 3| 4| 5| 6| 7| 8| 9|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |__________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Gallbladder                             | M  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Rectum                 | +  A  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Cecum                  | A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Duodenum               | A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Jejunum                | A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Ileum                  | A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Basophilic Focus                     |                                                 X                        |             
      Hematopoietic Cell Proliferation     |          1                                                  1            |             
      Infiltration Cellular, Lymphocyte    |                                                             1            |             
      Inflammation, Chronic Active, Focal  |                               1                             2            |             
      Tension Lipidosis                    |                                     1  1        1                        |             
                                           |__________________________________________________________________________|             
   Mesentery                               |                                                                          |             
      Fat, Necrosis, Focal                 |                                                                          |             
                                           |__________________________________________________________________________|             
   Pancreas                                | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                         1                                   2           2|             
      Acinus, Atrophy                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Parotid Gland, Infiltration Cellular,|                                                                          |             
           Lymphocyte                      |          2                       2                                   1  2|             
      Submandibular Gland, Infiltration    |                                                                          |             
          Cellular, Lymphocyte             |    1  1  2              1     3     2  1  2     2  1     2  2  2  1  2  2|             
                                           |__________________________________________________________________________|             
   Stomach, Forestomach                    | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page   2                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 3| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 7| 6| 9| 4| 7| 9| 7| 7| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 8| 2| 9| 7| 6| 4| 3| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
    0 PPM                                  | 0| 1| 2| 2| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 7| 7| 7| 7| 7| 7|             
                                           | 9| 7| 4| 7| 1| 2| 4| 5| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 3| 4| 5| 6| 7| 8| 9|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
      Hyperkeratosis, Focal                |                                                                          |             
      Inflammation, Chronic Active         |                                                                         1|             
      Epithelium, Hyperplasia, Diffuse     |          2                                                  2            |             
      Epithelium, Hyperplasia, Focal       |                               1              1                 1        2|             
                                           |__________________________________________________________________________|             
   Stomach, Glandular                      | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer                                |                      2                                                   |             
                                           |__________________________________________________________________________|             
   Tongue                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Artery, Inflammation, Chronic        |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Artery, Inflammation, Chronic        |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |__________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hematopoietic Cell Proliferation     |             1                                                            |             
      Hyperplasia, Focal                   |                                                 1                        |             
      Vacuolization Cytoplasmic            |             4                                                            |             
      Subcapsular, Hyperplasia             |    1  2  2  1  2  2  2  2  3  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2|             
                                           |__________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Islets, Pancreatic                      | A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Pars Distalis, Hyperplasia, Focal    |                   1                                                      |             
                                           |__________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                           1                              |             
      Follicular Cell, Cyst                |                                                                   1      |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page   3                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 3| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 7| 6| 9| 4| 7| 9| 7| 7| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 8| 2| 9| 7| 6| 4| 3| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
    0 PPM                                  | 0| 1| 2| 2| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 7| 7| 7| 7| 7| 7|             
                                           | 9| 7| 4| 7| 1| 2| 4| 5| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 3| 4| 5| 6| 7| 8| 9|             
 __________________________________________|__________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |__________________________________________________________________________|             
   Tissue NOS                              |                                                             +            |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Clitoral Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Duct, Cyst                           |    2  2  1  2  2     1  2  2  2  2  1     2  2  2  2  2  2  2  2  2  2  2|             
                                           |__________________________________________________________________________|             
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                 2                        |             
      Atrophy                              |             2        3  2  1                 2     2  2  2  2  2  1  2  2|             
      Cyst                                 |                            1     1  1  1        1                        |             
      Hemorrhage                           |                                  1                    1                  |             
      Mineralization                       |                                                                          |             
      Bilateral, Cyst                      |       1     1  1                                               1         |             
                                           |__________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Hyperplasia, Cystic                  |       1     2        2  4  2  4  3  2  3  3  2  2  3     1  2  3  2  3  2|             
      Thrombosis                           |                                                                          |             
                                           |__________________________________________________________________________|             
   Vagina                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Chronic                |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone Marrow                             | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Lymph Node                              |             +  +  +        +        +     +                 +  +        +|             
      Lumbar, Hyperplasia, Lymphoid        |                            2                                2           2|             
      Renal, Hemorrhage                    |                                                                          |             
      Renal, Hyperplasia, Lymphoid         |                                                             2           2|             
                                           |__________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Lymphoid                |                         2        2                                       |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mesenteric                  | A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +|             
      Hyperplasia, Lymphoid                |                            2                                             |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page   4                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 3| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 7| 6| 9| 4| 7| 9| 7| 7| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 8| 2| 9| 7| 6| 4| 3| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
    0 PPM                                  | 0| 1| 2| 2| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 7| 7| 7| 7| 7| 7|             
                                           | 9| 7| 4| 7| 1| 2| 4| 5| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 3| 4| 5| 6| 7| 8| 9|             
 __________________________________________|__________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |__________________________________________________________________________|             
   Spleen                                  | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Hematopoietic Cell Proliferation     |                3     3                                      3            |             
      Hyperplasia, Lymphoid                |                            3                                3           2|             
                                           |__________________________________________________________________________|             
   Thymus                                  | M  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +|             
      Cyst                                 |       1                                                  1               |             
      Ectopic Parathyroid Gland            |                                                                          |             
      Hyperplasia, Lymphoid                |                            1                                            1|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Mammary Gland                           | M  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperostosis                         |                                                          2               |             
      Cranium, Fibrous Osteodystrophy      |                                                                          |             
      Femur, Fibrous Osteodystrophy        |                                                                         2|             
      Sternum, Fibrous Osteodystrophy      |                               2     1              1           3  1  1   |             
                                           |__________________________________________________________________________|             
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                         1                                                |             
      Cerebrum, Mineralization             |    1  1     1  2  1  1  1  1     1  1                    1  1  1         |             
                                           |__________________________________________________________________________|             
   Peripheral Nerve                        | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Thoracic, Axon, Degeneration         |             1  1                             1           2           1   |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                             Page   5                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 3| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 7| 6| 9| 4| 7| 9| 7| 7| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 8| 2| 9| 7| 6| 4| 3| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
    0 PPM                                  | 0| 1| 2| 2| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 7| 7| 7| 7| 7| 7|             
                                           | 9| 7| 4| 7| 1| 2| 4| 5| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 3| 4| 5| 6| 7| 8| 9|             
 __________________________________________|__________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |__________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                2                       1     2              2        2  1|             
      Infiltration Cellular, Histiocyte    |                                              2                           |             
      Inflammation, Chronic, Focal         |                                                                          |             
      Proteinosis                          |                                           4  1                           |             
      Alveolar Epithelium, Hyperplasia     |                                                                          |             
                                           |__________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Bilateral, Lens, Cataract            |    3     1           2                                                   |             
      Cornea, Mineralization               | 3                                                                        |             
      Lens, Cataract                       |                                                                   1      |             
                                           |__________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                          1        1  1   |             
                                           |__________________________________________________________________________|             
   Zymbal's Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                         2|             
      Glomerulus, Casts Protein            |                                                                          |             
      Pelvis, Dilatation                   |          3                                                  2            |             
      Renal Tubule, Accumulation, Hyaline  |                                                                          |             
          Droplet                          |    2     1     2     2                                                   |             
      Renal Tubule, Hyperplasia            |                                                                          |             
                                           |__________________________________________________________________________|             
   Urinary Bladder                         | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inclusion Body Intracytoplasmic      |                                                                          |             
      Infiltration Cellular, Lymphocyte    |       1  1        1           1  2     2  2  1  1  1  2  1  1  1  1  2  1|             
 __________________________________________|__________________________________________________________________________              
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                             Page   6                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|     |      A     |
    0 PPM                                  | 8| 0| 0| 0| 0| 0| 1| 1| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 7| 7| 7|     |      L     |
                                           | 0| 5| 6| 7| 8| 9| 0| 1| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 5| 6| 7| 8|     |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
                                           |__________________________________________________________________________|____________|
   Gallbladder                             | +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  M  +  +  +  +  +      |  43        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Basophilic Focus                     |                                                                          |      1     |
      Hematopoietic Cell Proliferation     |                                                                          |      2  1.0|
      Infiltration Cellular, Lymphocyte    |          1                    1           1                              |      4  1.0|
      Inflammation, Chronic Active, Focal  |                1                    1                          2         |      5  1.4|
      Tension Lipidosis                    |          1     2        2        1     1        1     1                  |     10  1.2|
                                           |__________________________________________________________________________|____________|
   Mesentery                               |                +                          +                              |   2        |
      Fat, Necrosis, Focal                 |                2                          3                              |      2  2.5|
                                           |__________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Infiltration Cellular, Lymphocyte    |                            2                          1        2         |      6  1.7|
      Acinus, Atrophy                      |                                     4     1                              |      2  2.5|
                                           |__________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Parotid Gland, Infiltration Cellular,|                                                                          |            |
           Lymphocyte                      |                                                                   1      |      5  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   7                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|     |      A     |
    0 PPM                                  | 8| 0| 0| 0| 0| 0| 1| 1| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 7| 7| 7|     |      L     |
                                           | 0| 5| 6| 7| 8| 9| 0| 1| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 5| 6| 7| 8|     |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
      Submandibular Gland, Infiltration    |                                                                          |            |
          Cellular, Lymphocyte             | 1  1  2  2  1  1  1  2  1     1     1  1  2  1     1  2     1  1  3      |     35  1.5|
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Hyperkeratosis, Focal                |                                  1                                       |      1  1.0|
      Inflammation, Chronic Active         |                                                             1            |      2  1.0|
      Epithelium, Hyperplasia, Diffuse     |                                                                          |      2  2.0|
      Epithelium, Hyperplasia, Focal       | 1     2                    1                    2     1  3  2            |     11  1.5|
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Ulcer                                |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Tongue                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Artery, Inflammation, Chronic        |                                     2                          2         |      2  2.0|
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +      |  47        |
                                           |__________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Artery, Inflammation, Chronic        |                                     2                                    |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +      |  47        |
      Hematopoietic Cell Proliferation     |                                                                          |      1  1.0|
      Hyperplasia, Focal                   |                                                                          |      1  1.0|
      Vacuolization Cytoplasmic            |                                                                          |      1  4.0|
      Subcapsular, Hyperplasia             | 2  2  1  2  2  2  1  2  2  2  2  2     2  2  2  2  2  2  2  2  2  2      |     46  1.9|
                                           |__________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +      |  47        |
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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   8                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|     |      A     |
    0 PPM                                  | 8| 0| 0| 0| 0| 0| 1| 1| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 7| 7| 7|     |      L     |
                                           | 0| 5| 6| 7| 8| 9| 0| 1| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 5| 6| 7| 8|     |            |
 _____________________________________________________________________________________________________________________|____________|
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
   Parathyroid Gland                       | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +      |  45        |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Pars Distalis, Hyperplasia, Focal    |                                                                          |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +      |  47        |
      Infiltration Cellular, Lymphocyte    |                                                                          |      1  1.0|
      Follicular Cell, Cyst                |                                        1                                 |      2  1.0|
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Tissue NOS                              |                                                                          |   1        |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Clitoral Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Duct, Cyst                           | 2  2  2  2  2  2  1  2  2  2  2  2  2  1  2  2  2  2  2  2  2  2         |     44  1.9|
                                           |__________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Angiectasis                          |                                                                          |      1  2.0|
      Atrophy                              | 4  2  2        2  3  2           3  3  2     1     2     2  3  1  3      |     28  2.1|
      Cyst                                 |          1     1              1  1        1  1  1        1     1  1      |     15  1.0|
      Hemorrhage                           | 1                                                                        |      3  1.0|
      Mineralization                       |                                                          2               |      1  2.0|
      Bilateral, Cyst                      |                                                                          |      4  1.0|
                                           |__________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Angiectasis                          |                               2                                          |      1  2.0|
      Hyperplasia, Cystic                  | 3  2  2  2  2  3  1  3  1  1  4  3  2  3  2  3  3  1  2  1  1  3  3      |     42  2.3|
      Thrombosis                           |                               2                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Vagina                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Inflammation, Chronic                | 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   9                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|     |      A     |
    0 PPM                                  | 8| 0| 0| 0| 0| 0| 1| 1| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 7| 7| 7|     |      L     |
                                           | 0| 5| 6| 7| 8| 9| 0| 1| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 5| 6| 7| 8|     |            |
 _____________________________________________________________________________________________________________________|____________|
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
                                           |__________________________________________________________________________|____________|
   Lymph Node                              |       +     +                                         +  +               |  13        |
      Lumbar, Hyperplasia, Lymphoid        |                                                       2                  |      4  2.0|
      Renal, Hemorrhage                    |       3                                                                  |      1  3.0|
      Renal, Hyperplasia, Lymphoid         |                                                                          |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Hyperplasia, Lymphoid                |                                                                          |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  45        |
      Hyperplasia, Lymphoid                | 1                                      2        3     1     3  2  2      |      8  2.0|
                                           |__________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Angiectasis                          |                                     1                                    |      1  1.0|
      Hematopoietic Cell Proliferation     |    3  2     3                       1     3     1                        |      9  2.4|
      Hyperplasia, Lymphoid                |                   2                    2              1                  |      6  2.2|
                                           |__________________________________________________________________________|____________|
   Thymus                                  | M  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +      |  43        |
      Cyst                                 |                1                                               1         |      4  1.0|
      Ectopic Parathyroid Gland            |                                              1     1  1                  |      3  1.0|
      Hyperplasia, Lymphoid                |                                                                   2      |      3  1.3|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Hyperostosis                         |                                                                          |      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  10                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|     |      A     |
    0 PPM                                  | 8| 0| 0| 0| 0| 0| 1| 1| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 7| 7| 7|     |      L     |
                                           | 0| 5| 6| 7| 8| 9| 0| 1| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 5| 6| 7| 8|     |            |
 _____________________________________________________________________________________________________________________|____________|
 MUSCULOSKELETAL SYSTEM - cont             |                                                                          |            |
      Cranium, Fibrous Osteodystrophy      |       2                                                                  |      1  2.0|
      Femur, Fibrous Osteodystrophy        |    4  1        1                                                         |      4  2.0|
      Sternum, Fibrous Osteodystrophy      | 2  4  2  2     2                                      1                  |     12  1.8|
                                           |__________________________________________________________________________|____________|
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Infiltration Cellular, Lymphocyte    |                                                                          |      1  1.0|
      Cerebrum, Mineralization             |    1  1        1  1     1  1                    1  1     1  1  1  1      |     25  1.0|
                                           |__________________________________________________________________________|____________|
   Peripheral Nerve                        | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
                                           |__________________________________________________________________________|____________|
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Thoracic, Axon, Degeneration         |       1  2  1  1  1  1                                   1        2      |     13  1.2|
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Infiltration Cellular, Lymphocyte    |                                                                          |      6  1.7|
      Infiltration Cellular, Histiocyte    |                   2                                                      |      2  2.0|
      Inflammation, Chronic, Focal         |                                                                1         |      1  1.0|
      Proteinosis                          |                1                                                         |      3  2.0|
      Alveolar Epithelium, Hyperplasia     |                                                       1                  |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
                                           |__________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Bilateral, Lens, Cataract            |                                                    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  11                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|     |      A     |
    0 PPM                                  | 8| 0| 0| 0| 0| 0| 1| 1| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 7| 7| 7|     |      L     |
                                           | 0| 5| 6| 7| 8| 9| 0| 1| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 5| 6| 7| 8|     |            |
 _____________________________________________________________________________________________________________________|____________|
 SPECIAL SENSES SYSTEM - cont              |                                                                          |            |
      Cornea, Mineralization               |                                                                          |      1  3.0|
      Lens, Cataract                       |                                                                          |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Infiltration Cellular, Lymphocyte    |                1                                                         |      4  1.0|
                                           |__________________________________________________________________________|____________|
   Zymbal's Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Infiltration Cellular, Lymphocyte    |                            1                                             |      2  1.5|
      Glomerulus, Casts Protein            |                                                 3                        |      1  3.0|
      Pelvis, Dilatation                   |                                                                          |      2  2.5|
      Renal Tubule, Accumulation, Hyaline  |                                                                          |            |
          Droplet                          |                                                                          |      4  1.8|
      Renal Tubule, Hyperplasia            |                      1                                                   |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Inclusion Body Intracytoplasmic      | 1  1     1                       1                    1  2        1      |      7  1.1|
      Infiltration Cellular, Lymphocyte    |    1     2  2     1  1  1  2  1  1  1  1  1  2  1  1  3  2  1     2      |     36  1.4|
 __________________________________________________________________________________________________________________________________ 
                                                                                                                                    
  * : 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: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 5| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 9| 4| 5| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 6| 4| 9| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1|             
    100 PPM                                | 2| 2| 3| 3| 5| 5| 5| 5| 5| 5| 5| 5| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 1| 1|             
                                           | 3| 8| 0| 8| 0| 1| 2| 3| 4| 5| 6| 7| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |__________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Gallbladder                             | A  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Colon                  | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Rectum                 | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Cecum                  | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Duodenum               | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Jejunum                | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Ileum                  | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Basophilic Focus                     |                                              X                           |             
      Hematopoietic Cell Proliferation     |                                                                   2      |             
      Infiltration Cellular, Lymphocyte    |                                              1     1                     |             
      Infiltration Cellular, Histiocyte    |                                                                   2      |             
      Inflammation, Chronic Active, Focal  |                      1  1                          1  1     1  1  2      |             
      Tension Lipidosis                    |                1        1                    2        1                  |             
                                           |__________________________________________________________________________|             
   Mesentery                               |                      +                                            +      |             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Fat, Necrosis, Focal                 |                      2                                                   |             
                                           |__________________________________________________________________________|             
   Pancreas                                | M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cytoplasmic Alteration               |                      1                                                   |             
      Infiltration Cellular, Lymphocyte    |                                                          1               |             
      Necrosis, Focal                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Mononuclear   |                                                                          |             
          Cell                             |                                                          1               |             
      Parotid Gland, Infiltration Cellular,|                                                                          |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  13                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 5| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 9| 4| 5| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 6| 4| 9| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1|             
    100 PPM                                | 2| 2| 3| 3| 5| 5| 5| 5| 5| 5| 5| 5| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 1| 1|             
                                           | 3| 8| 0| 8| 0| 1| 2| 3| 4| 5| 6| 7| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
           Lymphocyte                      |                      1           2        2              1     2         |             
      Sublingual Gland, Infiltration       |                                                                          |             
          Cellular, Lymphocyte             |                                                                          |             
      Submandibular Gland, Infiltration    |                                                                          |             
          Cellular, Lymphocyte             |             2     1  2  1  1  1  1     2           2  2  1  1     1  1  1|             
                                           |__________________________________________________________________________|             
   Stomach, Forestomach                    | M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Chronic Active         |                                                                          |             
      Epithelium, Hyperplasia, Diffuse     |                            1           1                                 |             
      Epithelium, Hyperplasia, Focal       |          2                    1                                          |             
                                           |__________________________________________________________________________|             
   Stomach, Glandular                      | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Erosion                              |                                                                          |             
                                           |__________________________________________________________________________|             
   Tongue                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |__________________________________________________________________________|             
   Adrenal Cortex                          | M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Accessory Adrenal Cortical Nodule    |                                                                          |             
      Subcapsular, Hyperplasia             |    2  2  2  3  2     1  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2|             
                                           |__________________________________________________________________________|             
   Adrenal Medulla                         | M  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Focal                   |       1                                                                  |             
                                           |__________________________________________________________________________|             
   Islets, Pancreatic                      | M  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Parathyroid Gland                       | M  +  +  M  M  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|             
                                           |__________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
      Pars Distalis, Hyperplasia, Focal    |                1                             1                           |             
      Pars Intermedia, Hyperplasia, Focal  |    2                                                                     |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  14                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 5| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 9| 4| 5| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 6| 4| 9| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1|             
    100 PPM                                | 2| 2| 3| 3| 5| 5| 5| 5| 5| 5| 5| 5| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 1| 1|             
                                           | 3| 8| 0| 8| 0| 1| 2| 3| 4| 5| 6| 7| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3|             
 __________________________________________|__________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |__________________________________________________________________________|             
   Thyroid Gland                           | M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|             
      Follicular Cell, Cyst                |                                                 1        1               |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Clitoral Gland                          | +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Duct, Cyst                           | 2  2  2  1  2     2  2  2  2  2  2  1  2  2  1  2  1  2  2  2  2  2  2  2|             
                                           |__________________________________________________________________________|             
   Ovary                                   | M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |             2  3  1  3  2  2        3  3  2  3  3  2  1  2  2     3     2|             
      Cyst                                 |       1  1           1  1  1  1        1              1     1     1  1  1|             
      Inflammation, Acute                  |                                                 3                        |             
      Thrombosis                           |                                                                      4   |             
      Bilateral, Cyst                      |                                                 1                        |             
                                           |__________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Cystic                  | 2  1  2     2  4  2  2  2  4  3  2  2  4  2  3  3  2  2  3  2  3  2  2  3|             
                                           |__________________________________________________________________________|             
   Vagina                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone Marrow                             | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Lymph Node                              | +     +  +                    +                          +     +  +  +  +|             
      Lumbar, Hyperplasia, Lymphoid        |                               2                                3        2|             
      Mediastinal, Hemorrhage              |                                                          3     1         |             
      Mediastinal, Infiltration Cellular,  |                                                                          |             
           Mononuclear Cell                |                                                          2               |             
      Pancreatic, Infiltration Cellular,   |                                                                          |             
           Mononuclear Cell                |                                                          3               |             
      Renal, Hyperplasia, Lymphoid         |                               2                                          |             
                                           |__________________________________________________________________________|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  15                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 5| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 9| 4| 5| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 6| 4| 9| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1|             
    100 PPM                                | 2| 2| 3| 3| 5| 5| 5| 5| 5| 5| 5| 5| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 1| 1|             
                                           | 3| 8| 0| 8| 0| 1| 2| 3| 4| 5| 6| 7| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3|             
 __________________________________________|__________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Lymphoid                |                                                                          |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  M  +  +  +|             
      Hemorrhage                           |             1                                                            |             
      Hyperplasia, Lymphoid                |    1                                                  2  2               |             
                                           |__________________________________________________________________________|             
   Spleen                                  | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hematopoietic Cell Proliferation     |       2                       2                             3     2  3   |             
      Hyperplasia, Lymphoid                |                                              2        2        2         |             
      Infiltration Cellular, Mononuclear   |                                                                          |             
          Cell                             |                                                          3               |             
      Necrosis, Focal                      |                                                                      3   |             
                                           |__________________________________________________________________________|             
   Thymus                                  | M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  M  +  +|             
      Cyst                                 |                      1                                                   |             
      Ectopic Parathyroid Gland            |                                                                          |             
      Hyperplasia, Lymphoid                |                                                          2     2         |             
      Infiltration Cellular, Mononuclear   |                                                                          |             
          Cell                             |                                                          3               |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |       2                                                                  |             
                                           |__________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fibrosis                             |                                                                   2      |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Femur, Fibrous Osteodystrophy        |                                                 1           1            |             
      Sternum, Degeneration, Cystic        |                                                                          |             
      Sternum, Fibrous Osteodystrophy      |                                     1     1  2  2  2     1  1  1         |             
                                           |__________________________________________________________________________|             
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                             Page  16                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 5| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 9| 4| 5| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 6| 4| 9| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1|             
    100 PPM                                | 2| 2| 3| 3| 5| 5| 5| 5| 5| 5| 5| 5| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 1| 1|             
                                           | 3| 8| 0| 8| 0| 1| 2| 3| 4| 5| 6| 7| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3|             
 __________________________________________|__________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cerebrum, Mineralization             |          1     1  1  1     1  1           1     1           1            |             
                                           |__________________________________________________________________________|             
   Peripheral Nerve                        | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Thoracic, Axon, Degeneration         |    1  1                                         1     1     1            |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |__________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                      3                                1  1           2   |             
      Infiltration Cellular, Histiocyte    |                                        1              1  1               |             
      Pigmentation                         |                                                                          |             
      Alveolar Epithelium, Hyperplasia     |                                                                         2|             
                                           |__________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Trachea                                 | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Bilateral, Lens, Cataract            | 3                                                                        |             
      Lens, Cataract                       |                                                                          |             
                                           |__________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                      1     1              1                              |             
                                           |__________________________________________________________________________|             
   Zymbal's Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                                                   2      |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Kidney                                  | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                      1                    2                    1         |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  17                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 5| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 9| 4| 5| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 6| 4| 9| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1|             
    100 PPM                                | 2| 2| 3| 3| 5| 5| 5| 5| 5| 5| 5| 5| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 1| 1|             
                                           | 3| 8| 0| 8| 0| 1| 2| 3| 4| 5| 6| 7| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3|             
 __________________________________________|__________________________________________________________________________|             
 URINARY SYSTEM - cont                     |                                                                          |             
      Metaplasia, Focal                    |                                                       1                  |             
      Glomerulus, Casts Protein            |                                                                          |             
                                           |__________________________________________________________________________|             
   Urinary Bladder                         | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +|             
      Inclusion Body Intracytoplasmic      |             1           1                 1     1  1           2        1|             
      Infiltration Cellular, Lymphocyte    |                   1  1     1  1        1  2  1  1  1  1     1  1     2  2|             
 __________________________________________|__________________________________________________________________________              
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                             Page  18                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1|     |      A     |
    100 PPM                                | 1| 1| 1| 1| 1| 1| 5| 5| 5| 5| 5| 5| 5| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8|     |      L     |
                                           | 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8|     |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
                                           |__________________________________________________________________________|____________|
   Gallbladder                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
                                           |__________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Basophilic Focus                     |                                                                          |      1     |
      Hematopoietic Cell Proliferation     |                                                                          |      1  2.0|
      Infiltration Cellular, Lymphocyte    |    1  1                          3           1                           |      6  1.3|
      Infiltration Cellular, Histiocyte    |                                                                          |      1  2.0|
      Inflammation, Chronic Active, Focal  |             1                             1                              |      9  1.1|
      Tension Lipidosis                    |          1        1        2                                             |      7  1.3|
                                           |__________________________________________________________________________|____________|
   Mesentery                               |                   +        +                 +                           |   5        |
      Infiltration Cellular, Lymphocyte    |                                              3                           |      1  3.0|
      Fat, Necrosis, Focal                 |                   2        1                                             |      3  1.7|
                                           |__________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Cytoplasmic Alteration               |                                                                          |      1  1.0|
      Infiltration Cellular, Lymphocyte    |                            1                 2           2               |      4  1.5|
      Necrosis, Focal                      |                                              2                           |      1  2.0|
                                           |__________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                                                                                                    
                                                             Page  19                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1|     |      A     |
    100 PPM                                | 1| 1| 1| 1| 1| 1| 5| 5| 5| 5| 5| 5| 5| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8|     |      L     |
                                           | 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8|     |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Infiltration Cellular, Mononuclear   |                                                                          |            |
          Cell                             |                                                                          |      1  1.0|
      Parotid Gland, Infiltration Cellular,|                                                                          |            |
           Lymphocyte                      |             2     2     1  2        1  2     1                           |     12  1.6|
      Sublingual Gland, Infiltration       |                                                                          |            |
          Cellular, Lymphocyte             |                   1                                                      |      1  1.0|
      Submandibular Gland, Infiltration    |                                                                          |            |
          Cellular, Lymphocyte             |       1  1  3  3  2     1     2        2     3  1  2  2        1         |     28  1.6|
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Inflammation, Chronic Active         |             1                                         1     1            |      3  1.0|
      Epithelium, Hyperplasia, Diffuse     |                                                                          |      2  1.0|
      Epithelium, Hyperplasia, Focal       |             2              1                    1     2     3     2      |      8  1.8|
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Erosion                              |                                                                2         |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Tongue                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Accessory Adrenal Cortical Nodule    |                   1                                                      |      1  1.0|
      Subcapsular, Hyperplasia             | 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2      |     46  2.0|
                                           |__________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
      Hyperplasia, Focal                   |                                                                          |      1  1.0|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                                                                                                    
                                                             Page  20                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1|     |      A     |
    100 PPM                                | 1| 1| 1| 1| 1| 1| 5| 5| 5| 5| 5| 5| 5| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8|     |      L     |
                                           | 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8|     |            |
 _____________________________________________________________________________________________________________________|____________|
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Parathyroid Gland                       | +  +  +  +  +  +  M  M  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +      |  40        |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Pars Distalis, Hyperplasia, Focal    |                                                                          |      2  1.0|
      Pars Intermedia, Hyperplasia, Focal  |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
      Follicular Cell, Cyst                |                                                                          |      2  1.0|
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Clitoral Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Duct, Cyst                           | 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2      |     47  1.9|
                                           |__________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +      |  46        |
      Angiectasis                          |                                                             3            |      1  3.0|
      Atrophy                              | 2  2     3  2  3  2     3     2  3  2     1  2  3  2  2           3      |     33  2.3|
      Cyst                                 | 1     1     1     1                          1                 1         |     18  1.0|
      Inflammation, Acute                  |                                                                          |      1  3.0|
      Thrombosis                           |                                                                          |      1  4.0|
      Bilateral, Cyst                      |                            1                                1            |      3  1.0|
                                           |__________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Hyperplasia, Cystic                  | 3  3  1  3  2  3  2  3  3  3  1  3  4  2  1  4  2     4  3  3  3  2      |     46  2.5|
                                           |__________________________________________________________________________|____________|
   Vagina                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC 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  21                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1|     |      A     |
    100 PPM                                | 1| 1| 1| 1| 1| 1| 5| 5| 5| 5| 5| 5| 5| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8|     |      L     |
                                           | 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8|     |            |
 _____________________________________________________________________________________________________________________|____________|
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
                                           |__________________________________________________________________________|____________|
   Lymph Node                              |             +                    +        +              +               |  13        |
      Lumbar, Hyperplasia, Lymphoid        |                                  1                                       |      4  2.0|
      Mediastinal, Hemorrhage              |                                                                          |      2  2.0|
      Mediastinal, Infiltration Cellular,  |                                                                          |            |
           Mononuclear Cell                |                                                                          |      1  2.0|
      Pancreatic, Infiltration Cellular,   |                                                                          |            |
           Mononuclear Cell                |                                                                          |      1  3.0|
      Renal, Hyperplasia, Lymphoid         |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Hyperplasia, Lymphoid                |                                  3                                       |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
      Hemorrhage                           |                                                                          |      1  1.0|
      Hyperplasia, Lymphoid                |          3                       3     2     2     1                     |      8  2.0|
                                           |__________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Hematopoietic Cell Proliferation     |                3                 2                       3               |      8  2.5|
      Hyperplasia, Lymphoid                |                                  2     3     3                           |      6  2.3|
      Infiltration Cellular, Mononuclear   |                                                                          |            |
          Cell                             |                                                                          |      1  3.0|
      Necrosis, Focal                      |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  44        |
      Cyst                                 |                                        1                                 |      2  1.0|
      Ectopic Parathyroid Gland            |                                     1                                    |      1  1.0|
      Hyperplasia, Lymphoid                |                                  2        2  3                           |      5  2.2|
      Infiltration Cellular, Mononuclear   |                                                                          |            |
          Cell                             |                                                                          |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY 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  22                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1|     |      A     |
    100 PPM                                | 1| 1| 1| 1| 1| 1| 5| 5| 5| 5| 5| 5| 5| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8|     |      L     |
                                           | 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8|     |            |
 _____________________________________________________________________________________________________________________|____________|
 INTEGUMENTARY SYSTEM - cont               |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Infiltration Cellular, Lymphocyte    |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Fibrosis                             |                                                                          |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Femur, Fibrous Osteodystrophy        |          1        1     2                                                |      5  1.2|
      Sternum, Degeneration, Cystic        | 1                       1                                                |      2  1.0|
      Sternum, Fibrous Osteodystrophy      |             2              1  1              2  2              2         |     14  1.5|
                                           |__________________________________________________________________________|____________|
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Cerebrum, Mineralization             |                1  1  1  1  1        1                    1  1  1         |     18  1.0|
                                           |__________________________________________________________________________|____________|
   Peripheral Nerve                        | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
                                           |__________________________________________________________________________|____________|
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Thoracic, Axon, Degeneration         | 1  1  1                          1  1           1     2  1     1         |     14  1.1|
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Infiltration Cellular, Lymphocyte    |                                  2                       2               |      6  1.8|
      Infiltration Cellular, Histiocyte    |                                                                          |      3  1.0|
      Pigmentation                         |                                                       2                  |      1  2.0|
      Alveolar Epithelium, Hyperplasia     |                1                       1                                 |      3  1.3|
                                           |__________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1|     |      A     |
    100 PPM                                | 1| 1| 1| 1| 1| 1| 5| 5| 5| 5| 5| 5| 5| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8|     |      L     |
                                           | 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8|     |            |
 _____________________________________________________________________________________________________________________|____________|
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
                                           |__________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Bilateral, Lens, Cataract            |                                  1                                       |      2  2.0|
      Lens, Cataract                       |             2                                         1                  |      2  1.5|
                                           |__________________________________________________________________________|____________|
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Atrophy                              | 2                                                                        |      1  2.0|
      Infiltration Cellular, Lymphocyte    |                                        1                 1               |      5  1.0|
                                           |__________________________________________________________________________|____________|
   Zymbal's Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Atrophy                              |                                                                          |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Infiltration Cellular, Lymphocyte    |             1  3     1                       1                           |      7  1.4|
      Metaplasia, Focal                    |                                                                          |      1  1.0|
      Glomerulus, Casts Protein            |                                                                3         |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
      Inclusion Body Intracytoplasmic      | 1           2  1  1  1  1                       1     1                  |     15  1.1|
      Infiltration Cellular, Lymphocyte    | 1  2     1  2  1  1  1  1  1  1  1  1  1  2     1  1     1  1  1  1      |     34  1.2|
 __________________________________________________________________________________________________________________________________ 
                                                                                                                                    
  * : 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  24                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 2| 2| 4| 4| 5| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 2| 5| 4| 4| 6| 7| 0| 9| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 6| 2| 4| 2| 8| 3| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1|             
    225 PPM                                | 0| 0| 1| 1| 2| 2| 3| 3| 5| 5| 6| 6| 6| 6| 9| 9| 9| 9| 9| 9| 9| 2| 2| 2| 2|             
                                           | 6| 7| 5| 6| 2| 9| 6| 7| 8| 9| 0| 1| 2| 3| 2| 3| 4| 5| 6| 7| 8| 0| 1| 2| 3|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |__________________________________________________________________________|             
   Esophagus                               | +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Gallbladder                             | +  A  A  +  +  +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Colon                  | +  M  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  M  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Cecum                  | +  M  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Duodenum               | +  A  A  +  +  +  A  A  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Jejunum                | +  M  A  +  +  +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Ileum                  | +  M  A  +  +  +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Liver                                   | +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Basophilic Focus                     |                                                             X            |             
      Fatty Change, Focal                  |                                     2                                    |             
      Infiltration Cellular, Lymphocyte    |                   2     1        1  2     1     3                 1      |             
      Inflammation, Chronic Active, Focal  |                                                       1              1  1|             
      Tension Lipidosis                    |             1                 1           2                          2  2|             
                                           |__________________________________________________________________________|             
   Mesentery                               |                                                          +               |             
      Fat, Necrosis, Focal                 |                                                          2               |             
                                           |__________________________________________________________________________|             
   Pancreas                                | +  A  A  +  +  +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cytoplasmic Alteration               |                                                                      1   |             
      Infiltration Cellular, Lymphocyte    |                                                             2            |             
                                           |__________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Parotid Gland, Infiltration Cellular,|                                                                          |             
           Lymphocyte                      |          1                                      1           2            |             
      Submandibular Gland, Infiltration    |                                                                          |             
          Cellular, Lymphocyte             |          1        2     1  1  1  2     2  2  2  1     2  2  2  3  1     1|             
                                           |__________________________________________________________________________|             
   Stomach, Forestomach                    | +  M  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  25                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 2| 2| 4| 4| 5| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 2| 5| 4| 4| 6| 7| 0| 9| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 6| 2| 4| 2| 8| 3| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1|             
    225 PPM                                | 0| 0| 1| 1| 2| 2| 3| 3| 5| 5| 6| 6| 6| 6| 9| 9| 9| 9| 9| 9| 9| 2| 2| 2| 2|             
                                           | 6| 7| 5| 6| 2| 9| 6| 7| 8| 9| 0| 1| 2| 3| 2| 3| 4| 5| 6| 7| 8| 0| 1| 2| 3|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
      Inflammation, Chronic Active         |                                                       2                  |             
      Epithelium, Hyperplasia, Diffuse     |                                                                          |             
      Epithelium, Hyperplasia, Focal       |                               2     2  2              1                  |             
                                           |__________________________________________________________________________|             
   Stomach, Glandular                      | +  M  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer                                | 2                                                                        |             
                                           |__________________________________________________________________________|             
   Tongue                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                   1  1                                                   |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |__________________________________________________________________________|             
   Adrenal Cortex                          | +  M  A  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Accessory Adrenal Cortical Nodule    |                                                                          |             
      Hyperplasia, Focal                   |                                                                          |             
      Hypertrophy, Focal                   |                                                                          |             
      Mineralization, Focal                |                                                                          |             
      Subcapsular, Hyperplasia             | 2        1  2  2     2  2  2  2  1     2  2  2  2  2  2  2  2  2  2  2  2|             
                                           |__________________________________________________________________________|             
   Adrenal Medulla                         | +  M  A  +  +  +  M  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Focal                   |                                                                          |             
                                           |__________________________________________________________________________|             
   Islets, Pancreatic                      | +  A  A  +  +  +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Parathyroid Gland                       | +  M  A  +  +  +  M  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Pars Distalis, Hyperplasia, Focal    |                                     1     2           1                  |             
                                           |__________________________________________________________________________|             
   Thyroid Gland                           | +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Focal                   |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                           1                              |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  26                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 2| 2| 4| 4| 5| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 2| 5| 4| 4| 6| 7| 0| 9| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 6| 2| 4| 2| 8| 3| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1|             
    225 PPM                                | 0| 0| 1| 1| 2| 2| 3| 3| 5| 5| 6| 6| 6| 6| 9| 9| 9| 9| 9| 9| 9| 2| 2| 2| 2|             
                                           | 6| 7| 5| 6| 2| 9| 6| 7| 8| 9| 0| 1| 2| 3| 2| 3| 4| 5| 6| 7| 8| 0| 1| 2| 3|             
 __________________________________________|__________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
      Ultimobranchial Cyst                 |             1                                                        1   |             
      Follicular Cell, Cyst                |                1                                                         |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |__________________________________________________________________________|             
   Tissue NOS                              |       A           +                                                      |             
      Hemorrhage                           |                   4                                                      |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Clitoral Gland                          | +  M  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Chronic                |                                                                          |             
      Duct, Cyst                           |       2  1  2  2  2     2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2|             
                                           |__________________________________________________________________________|             
   Ovary                                   | +  M  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Atrophy                              |                3  2  3  3  3  2     2  2     3  2  2  1  2  3  2  3  3  3|             
      Cyst                                 |                            1           1     1                          1|             
      Hemorrhage                           |                                                                          |             
      Inflammation, Chronic Active         |                                                                          |             
      Bilateral, Cyst                      |                                                          1               |             
      Germinal Epithelium, Hyperplasia     |                                              3                           |             
                                           |__________________________________________________________________________|             
   Uterus                                  | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Cystic                  | 1     1     4  2  2     2  2  2  2  3  2  4  1  3  3  3  2  2  4  2  2  1|             
      Inflammation, Acute                  |             3                                                            |             
                                           |__________________________________________________________________________|             
   Vagina                                  | +  M  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Artery, Inflammation, Chronic        |                                                                2         |             
      Epithelium, Hyperplasia              |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone Marrow                             | +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fibrosis                             |                                                                         1|             
                                           |__________________________________________________________________________|             
   Lymph Node                              |                +  +  +                          +           +            |             
      Inguinal, Hyperplasia, Lymphoid      |                                                                          |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  27                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 2| 2| 4| 4| 5| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 2| 5| 4| 4| 6| 7| 0| 9| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 6| 2| 4| 2| 8| 3| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1|             
    225 PPM                                | 0| 0| 1| 1| 2| 2| 3| 3| 5| 5| 6| 6| 6| 6| 9| 9| 9| 9| 9| 9| 9| 2| 2| 2| 2|             
                                           | 6| 7| 5| 6| 2| 9| 6| 7| 8| 9| 0| 1| 2| 3| 2| 3| 4| 5| 6| 7| 8| 0| 1| 2| 3|             
 __________________________________________|__________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
      Lumbar, Hyperplasia, Lymphoid        |                                                             1            |             
      Renal, Hyperplasia, Lymphoid         |                                                 2                        |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage                           |       2                                                                  |             
      Hyperplasia, Lymphoid                |                                           2                              |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  A  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Lymphoid                |                                           2     3              2         |             
                                           |__________________________________________________________________________|             
   Spleen                                  | +  A  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Depletion Cellular                   |                                                                          |             
      Hematopoietic Cell Proliferation     |                                        2           2                     |             
      Hyperplasia, Lymphoid                |                                                 3        2  3            |             
                                           |__________________________________________________________________________|             
   Thymus                                  | +  +  A  +  +  +  M  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cyst                                 |          1                                                               |             
      Ectopic Parathyroid Gland            |                                                                   1      |             
      Hyperplasia, Lymphoid                |                                  3        2              2               |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Mammary Gland                           | +  A  A  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Skin                                    | +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Femur, Fibrous Osteodystrophy        |                                           1                              |             
      Sternum, Degeneration, Cystic        |                         1                                      1         |             
      Sternum, Fibrous Osteodystrophy      |                                  2  1     1        2                     |             
                                           |__________________________________________________________________________|             
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  28                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 2| 2| 4| 4| 5| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 2| 5| 4| 4| 6| 7| 0| 9| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 6| 2| 4| 2| 8| 3| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1|             
    225 PPM                                | 0| 0| 1| 1| 2| 2| 3| 3| 5| 5| 6| 6| 6| 6| 9| 9| 9| 9| 9| 9| 9| 2| 2| 2| 2|             
                                           | 6| 7| 5| 6| 2| 9| 6| 7| 8| 9| 0| 1| 2| 3| 2| 3| 4| 5| 6| 7| 8| 0| 1| 2| 3|             
 __________________________________________|__________________________________________________________________________|             
 NERVOUS SYSTEM - cont                     |                                                                          |             
      Cerebrum, Mineralization             |             1  1  1  1        1  1  1  1     1     1        1            |             
                                           |__________________________________________________________________________|             
   Peripheral Nerve                        | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Thoracic, Axon, Degeneration         |                   1           1  1  1                 2  1        1  1  1|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |__________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |          2                                                              1|             
      Infiltration Cellular, Histiocyte    |                                  1                                       |             
      Thrombosis                           |                                                                          |             
                                           |__________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Trachea                                 | +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Eye                                     | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Bilateral, Lens, Cataract            |       3     1     3  3                                      1            |             
      Lens, Cataract                       |                                                                          |             
                                           |__________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                                 1              2         |             
                                           |__________________________________________________________________________|             
   Zymbal's Gland                          | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Chronic                |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                   1                       1                              |             
      Nephropathy                          |                                                                          |             
      Renal Tubule, Accumulation, Hyaline  |                                                                          |             
          Droplet                          |                3                                                         |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  29                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 2| 2| 4| 4| 5| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 2| 5| 4| 4| 6| 7| 0| 9| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 6| 2| 4| 2| 8| 3| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1|             
    225 PPM                                | 0| 0| 1| 1| 2| 2| 3| 3| 5| 5| 6| 6| 6| 6| 9| 9| 9| 9| 9| 9| 9| 2| 2| 2| 2|             
                                           | 6| 7| 5| 6| 2| 9| 6| 7| 8| 9| 0| 1| 2| 3| 2| 3| 4| 5| 6| 7| 8| 0| 1| 2| 3|             
 __________________________________________|__________________________________________________________________________|             
 URINARY SYSTEM - cont                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Urinary Bladder                         | +  M  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inclusion Body Intracytoplasmic      |          1              2  1  1  1  2  1  2  1  1  1  1     2  1  1  2  1|             
      Infiltration Cellular, Lymphocyte    |             2  2        1  1  1  2  2     2  1     1  1  2  2  2  1  1   |             
 __________________________________________|__________________________________________________________________________              
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                             Page  30                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1|     |      A     |
    225 PPM                                | 2| 2| 2| 2| 2| 5| 5| 5| 6| 6| 6| 6| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|     |      L     |
                                           | 4| 5| 6| 7| 8| 7| 8| 9| 0| 1| 2| 3| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9|     |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
                                           |__________________________________________________________________________|____________|
   Gallbladder                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  44        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +      |  44        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  45        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  43        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  44        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  44        |
                                           |__________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
      Basophilic Focus                     |       X              X                                                   |      3     |
      Fatty Change, Focal                  |                                                                          |      1  2.0|
      Infiltration Cellular, Lymphocyte    |                                              2                           |      8  1.6|
      Inflammation, Chronic Active, Focal  | 1        1  1                 1                                   1      |      8  1.0|
      Tension Lipidosis                    |    1                       1     2                                       |      8  1.5|
                                           |__________________________________________________________________________|____________|
   Mesentery                               |                                                                          |   1        |
      Fat, Necrosis, Focal                 |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  44        |
      Cytoplasmic Alteration               |                                                                          |      1  1.0|
      Infiltration Cellular, Lymphocyte    |                      1                                                   |      2  1.5|
                                           |__________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Parotid Gland, Infiltration Cellular,|                                                                          |            |
           Lymphocyte                      |                                                    1                     |      4  1.3|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  31                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1|     |      A     |
    225 PPM                                | 2| 2| 2| 2| 2| 5| 5| 5| 6| 6| 6| 6| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|     |      L     |
                                           | 4| 5| 6| 7| 8| 7| 8| 9| 0| 1| 2| 3| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9|     |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
      Submandibular Gland, Infiltration    |                                                                          |            |
          Cellular, Lymphocyte             |    1  3     1     3  1  1  2  2        2     3     1           3         |     28  1.8|
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
      Inflammation, Chronic Active         |                                                          1               |      2  1.5|
      Epithelium, Hyperplasia, Diffuse     |                   1                                                      |      1  1.0|
      Epithelium, Hyperplasia, Focal       |                                                                          |      4  1.8|
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
      Ulcer                                |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Tongue                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
                                           |__________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Infiltration Cellular, Lymphocyte    |                                                                          |      2  1.0|
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  45        |
      Accessory Adrenal Cortical Nodule    |                         1                                                |      1  1.0|
      Hyperplasia, Focal                   |                                                             1            |      1  1.0|
      Hypertrophy, Focal                   |                                                             2            |      1  2.0|
      Mineralization, Focal                |                   4                                                      |      1  4.0|
      Subcapsular, Hyperplasia             | 2  2  2  2  2  2  2  2  2  2  2  1  2  2  2  1  2  2  2  2  2  2  2      |     44  1.9|
                                           |__________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  44        |
      Hyperplasia, Focal                   |                                                          1               |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  I  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  43        |
                                           |__________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  32                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1|     |      A     |
    225 PPM                                | 2| 2| 2| 2| 2| 5| 5| 5| 6| 6| 6| 6| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|     |      L     |
                                           | 4| 5| 6| 7| 8| 7| 8| 9| 0| 1| 2| 3| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9|     |            |
 _____________________________________________________________________________________________________________________|____________|
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
   Parathyroid Gland                       | +  M  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  M  +  +  +  +  +      |  41        |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
      Pars Distalis, Hyperplasia, Focal    |                2                 2                                       |      5  1.6|
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
      Hyperplasia, Focal                   |                      1                                                   |      1  1.0|
      Infiltration Cellular, Lymphocyte    |                                                                          |      1  1.0|
      Ultimobranchial Cyst                 |                                                                          |      2  1.0|
      Follicular Cell, Cyst                |                                                    1           1         |      3  1.0|
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Tissue NOS                              |                                                                          |   1        |
      Hemorrhage                           |                                                                          |      1  4.0|
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Clitoral Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
      Inflammation, Chronic                |                                                       2                  |      1  2.0|
      Duct, Cyst                           | 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2      |     45  2.0|
                                           |__________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
      Angiectasis                          |                   2                                                      |      1  2.0|
      Atrophy                              |    3  3        2  2  3  2  3  3  2  2     3  3  3  2  2     2  3  2      |     36  2.5|
      Cyst                                 | 1  1                    1                    1        1  1     1         |     11  1.0|
      Hemorrhage                           |                2                                                         |      1  2.0|
      Inflammation, Chronic Active         |    3                                                                     |      1  3.0|
      Bilateral, Cyst                      |             1                                      1                     |      3  1.0|
      Germinal Epithelium, Hyperplasia     |                                                             1            |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Hyperplasia, Cystic                  | 1  2  2  4  3  2  3  2  3  2  2  2  4  4  4  3  1  4  4  2  1  1         |     44  2.4|
      Inflammation, 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  33                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1|     |      A     |
    225 PPM                                | 2| 2| 2| 2| 2| 5| 5| 5| 6| 6| 6| 6| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|     |      L     |
                                           | 4| 5| 6| 7| 8| 7| 8| 9| 0| 1| 2| 3| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9|     |            |
 _____________________________________________________________________________________________________________________|____________|
 GENITAL SYSTEM - cont                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Vagina                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
      Artery, Inflammation, Chronic        |                                                                          |      1  2.0|
      Epithelium, Hyperplasia              |    1                                                                     |      1  1.0|
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Fibrosis                             |                                                                          |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node                              |                                              +                           |   6        |
      Inguinal, Hyperplasia, Lymphoid      |                                              2                           |      1  2.0|
      Lumbar, Hyperplasia, Lymphoid        |                                              3                           |      2  2.0|
      Renal, Hyperplasia, Lymphoid         |                                              2                           |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Hemorrhage                           |                                                                          |      1  2.0|
      Hyperplasia, Lymphoid                |                                              3                           |      2  2.5|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  44        |
      Hyperplasia, Lymphoid                |                                              2                    2      |      5  2.2|
                                           |__________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  45        |
      Depletion Cellular                   |                                                                   2      |      1  2.0|
      Hematopoietic Cell Proliferation     |    2                                                                     |      3  2.0|
      Hyperplasia, Lymphoid                |       1     1                                3  2                        |      7  2.1|
                                           |__________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  M      |  43        |
      Cyst                                 |                                                    1           1         |      3  1.0|
      Ectopic Parathyroid Gland            |                                        1                                 |      2  1.0|
      Hyperplasia, Lymphoid                |                      2              2        3                           |      6  2.3|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY 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  34                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1|     |      A     |
    225 PPM                                | 2| 2| 2| 2| 2| 5| 5| 5| 6| 6| 6| 6| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|     |      L     |
                                           | 4| 5| 6| 7| 8| 7| 8| 9| 0| 1| 2| 3| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9|     |            |
 _____________________________________________________________________________________________________________________|____________|
 INTEGUMENTARY SYSTEM - cont               |                                                                          |            |
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  45        |
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Femur, Fibrous Osteodystrophy        |                                                          3               |      2  2.0|
      Sternum, Degeneration, Cystic        |          2                    1                                          |      4  1.3|
      Sternum, Fibrous Osteodystrophy      |                                  1                                       |      5  1.4|
                                           |__________________________________________________________________________|____________|
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Cerebrum, Mineralization             |             1  1  1                 1     1     1                        |     17  1.0|
                                           |__________________________________________________________________________|____________|
   Peripheral Nerve                        | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +      |  47        |
                                           |__________________________________________________________________________|____________|
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Thoracic, Axon, Degeneration         | 1     1  2  1           1        1  1     2  2                 1         |     19  1.2|
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Infiltration Cellular, Lymphocyte    | 2     2                                         2  1                     |      6  1.7|
      Infiltration Cellular, Histiocyte    |                1                                                         |      2  1.0|
      Thrombosis                           |                                                 2                        |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
                                           |__________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
 _____________________________________________________________________________________________________________________|            |
                                                                                                                                    
  * : 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  35                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 1| 1| 1|     |      A     |
    225 PPM                                | 2| 2| 2| 2| 2| 5| 5| 5| 6| 6| 6| 6| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|     |      L     |
                                           | 4| 5| 6| 7| 8| 7| 8| 9| 0| 1| 2| 3| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9|     |            |
 _____________________________________________________________________________________________________________________|____________|
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Bilateral, Lens, Cataract            |                                                                          |      5  2.2|
      Lens, Cataract                       |                            1                                             |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Hyperplasia                          |                                  2                                       |      1  2.0|
      Infiltration Cellular, Lymphocyte    |                            1  1           1                              |      5  1.2|
                                           |__________________________________________________________________________|____________|
   Zymbal's Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Inflammation, Chronic                |                               4                                          |      1  4.0|
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Infiltration Cellular, Lymphocyte    |                                              1                           |      3  1.0|
      Nephropathy                          |                                        1                                 |      1  1.0|
      Renal Tubule, Accumulation, Hyaline  |                                                                          |            |
          Droplet                          |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  45        |
      Inclusion Body Intracytoplasmic      |    2  2     1  1  2  2  1  1  1     1  1     1     2  1  2  1     2      |     34  1.4|
      Infiltration Cellular, Lymphocyte    |       1     1  2  1  1  1  1  1  1  2           1  1  1  2  1  1  1      |     33  1.3|
 __________________________________________________________________________________________________________________________________ 
                                                                                                                                    
  * : 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: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 1| 3| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 6| 1| 3| 2| 7| 0| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 1| 8| 3| 6| 3| 4| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    450 PPM                                | 0| 0| 2| 2| 3| 3| 6| 6| 6| 6| 6| 6| 7| 7| 7| 9| 0| 0| 0| 0| 0| 2| 3| 3| 3|             
                                           | 1| 8| 5| 6| 3| 9| 4| 5| 6| 7| 8| 9| 0| 1| 2| 9| 0| 1| 2| 3| 4| 9| 0| 1| 2|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |__________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Gallbladder                             | A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Colon                  | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Large, Cecum                  | A  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Lymphoid                |                         2                                                |             
                                           |__________________________________________________________________________|             
   Intestine Small, Duodenum               | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Intestine Small, Jejunum                | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Lymphoid                |                                        4                                 |             
                                           |__________________________________________________________________________|             
   Intestine Small, Ileum                  | A  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hematopoietic Cell Proliferation     |                                              1        1                  |             
      Infiltration Cellular, Lymphocyte    |       1     1  1        1     1  1        2           2                  |             
      Inflammation, Chronic Active, Focal  |                                  1     1                       1        1|             
      Necrosis                             |                                                             3            |             
      Tension Lipidosis                    |                      2           1        1                              |             
      Bile Duct, Cyst                      |                                                             3            |             
                                           |__________________________________________________________________________|             
   Pancreas                                | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cyst                                 |                                                                          |             
      Cytoplasmic Alteration               |                                                                          |             
      Infiltration Cellular, Lymphocyte    |                                              2                           |             
                                           |__________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Parotid Gland, Infiltration Cellular,|                                                                          |             
           Lymphocyte                      |                               1              1     2                     |             
      Submandibular Gland, Infiltration    |                                                                          |             
          Cellular, Lymphocyte             |       1  1     1     2  2  3     1     2  2  3  2  2  2  3     1  2  1  2|             
                                           |__________________________________________________________________________|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  37                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 1| 3| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 6| 1| 3| 2| 7| 0| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 1| 8| 3| 6| 3| 4| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    450 PPM                                | 0| 0| 2| 2| 3| 3| 6| 6| 6| 6| 6| 6| 7| 7| 7| 9| 0| 0| 0| 0| 0| 2| 3| 3| 3|             
                                           | 1| 8| 5| 6| 3| 9| 4| 5| 6| 7| 8| 9| 0| 1| 2| 9| 0| 1| 2| 3| 4| 9| 0| 1| 2|             
 __________________________________________|__________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Mast Cell     |                                                                          |             
      Inflammation, Chronic Active         |                                                                          |             
      Ulcer                                |                                  2                                       |             
      Epithelium, Hyperplasia, Focal       |    1                             2                                       |             
                                           |__________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Erosion                              |                                                                          |             
      Ulcer                                |             1                                                            |             
                                           |__________________________________________________________________________|             
   Tongue                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Artery, Inflammation, Chronic        |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |__________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
      Accessory Adrenal Cortical Nodule    |                                                                          |             
      Hypertrophy, Focal                   |                                                                          |             
      Bilateral, Hypertrophy, Focal        |       3                                                                  |             
      Subcapsular, Hyperplasia             |    1     2  2  2  2  2  2  2  2  2  2     2  2  2  2  2  2  2  2  2  2  2|             
                                           |__________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Islets, Pancreatic                      | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|             
                                           |__________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ultimobranchial Cyst                 |                                     1                             1      |             
      Follicular Cell, Cyst                |                1                                                         |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
    None                                   |                                                                          |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                             Page  38                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 1| 3| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 6| 1| 3| 2| 7| 0| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 1| 8| 3| 6| 3| 4| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    450 PPM                                | 0| 0| 2| 2| 3| 3| 6| 6| 6| 6| 6| 6| 7| 7| 7| 9| 0| 0| 0| 0| 0| 2| 3| 3| 3|             
                                           | 1| 8| 5| 6| 3| 9| 4| 5| 6| 7| 8| 9| 0| 1| 2| 9| 0| 1| 2| 3| 4| 9| 0| 1| 2|             
 __________________________________________|__________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Clitoral Gland                          | A  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  M  +  +  +  +  +|             
      Duct, Cyst                           |       2  1  2  2  2  2  2  1  2  2  2  2  2  2  2     2     2  2  2  2  2|             
                                           |__________________________________________________________________________|             
   Ovary                                   | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|             
      Atrophy                              |       2           2  3  2  3  3  3  2  3  3     3  3  2  3  3  3  3     3|             
      Cyst                                 |       1        1              1  1  1           1                 1     1|             
      Hemorrhage                           |                         1                                                |             
      Bilateral, Cyst                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
      Hyperplasia, Cystic                  |             1  1  4  4  2  1  1  4  2  2     3  4  2  1  3  1  1  1  4  2|             
                                           |__________________________________________________________________________|             
   Vagina                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Lymph Node                              | +  +        +                             +                              |             
      Lumbar, Hyperplasia, Lymphoid        |                                                                          |             
      Renal, Hyperplasia, Lymphoid         |                                                                          |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Lymphoid                |                                                                          |             
      Infiltration Cellular, Mast Cell     |                                                                          |             
                                           |__________________________________________________________________________|             
   Lymph Node, Mesenteric                  | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Lymphoid                |                3                       2                       1         |             
                                           |__________________________________________________________________________|             
   Spleen                                  | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                              2                           |             
      Hematopoietic Cell Proliferation     |                3                 2        3  3                           |             
      Hyperplasia, Lymphoid                |                                                                          |             
                                           |__________________________________________________________________________|             
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Angiectasis                          |                                                                          |             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  39                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 1| 3| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 6| 1| 3| 2| 7| 0| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 1| 8| 3| 6| 3| 4| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    450 PPM                                | 0| 0| 2| 2| 3| 3| 6| 6| 6| 6| 6| 6| 7| 7| 7| 9| 0| 0| 0| 0| 0| 2| 3| 3| 3|             
                                           | 1| 8| 5| 6| 3| 9| 4| 5| 6| 7| 8| 9| 0| 1| 2| 9| 0| 1| 2| 3| 4| 9| 0| 1| 2|             
 __________________________________________|__________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
      Cyst                                 |       1              1                                                   |             
      Ectopic Parathyroid Gland            |                                                                   1     1|             
      Hyperplasia, Lymphoid                |                                                 2                        |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |__________________________________________________________________________|             
   Mammary Gland                           | +  M  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |__________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Femur, Fibrous Osteodystrophy        |                                                                          |             
      Sternum, Degeneration, Cystic        |                                                                          |             
      Sternum, Fibrous Osteodystrophy      |                                                                      1   |             
                                           |__________________________________________________________________________|             
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cerebrum, Mineralization             |             1  1  1                                   1  1  1     1  1   |             
                                           |__________________________________________________________________________|             
   Peripheral Nerve                        | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                           |__________________________________________________________________________|             
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Thoracic, Axon, Degeneration         |                      1  1  2  1  1        1        1     1  1  1  1  2   |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |__________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage, Focal                    |                                        2                                 |             
      Infiltration Cellular, Lymphocyte    |                                              2                           |             
      Alveolar Epithelium, Hyperplasia     |                            1                                             |             
                                           |__________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 __________________________________________|__________________________________________________________________________|             
                                                                                                                                    
                                                                                                                                    
                                                             Page  40                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 _____________________________________________________________________________________________________________________              
                                           | 1| 3| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
                             DAY ON TEST   | 6| 1| 3| 2| 7| 0| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
                                           | 1| 8| 3| 6| 3| 4| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|             
 __________________________________________|__________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   C57BL/6N XC3H/HEN MTN-NCTR 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   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    450 PPM                                | 0| 0| 2| 2| 3| 3| 6| 6| 6| 6| 6| 6| 7| 7| 7| 9| 0| 0| 0| 0| 0| 2| 3| 3| 3|             
                                           | 1| 8| 5| 6| 3| 9| 4| 5| 6| 7| 8| 9| 0| 1| 2| 9| 0| 1| 2| 3| 4| 9| 0| 1| 2|             
 __________________________________________|__________________________________________________________________________|             
 RESPIRATORY SYSTEM - cont                 |                                                                          |             
                                           |__________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |__________________________________________________________________________|             
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Bilateral, Lens, Cataract            |                                                                          |             
      Lens, Cataract                       | 3           1                                         2     1            |             
                                           |__________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                2                                                         |             
      Infiltration Cellular, Lymphocyte    |                                        1              1                  |             
                                           |__________________________________________________________________________|             
   Zymbal's Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                                                         1|             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |__________________________________________________________________________|             
   Kidney                                  | A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Infiltration Cellular, Lymphocyte    |                                                                          |             
      Nephropathy                          |                                                                         1|             
      Glomerulus, Amyloid Deposition       |                                           4                             4|             
      Glomerulus, Hypertrophy              |                                              2                           |             
      Glomerulus, Inflammation, Acute      |                                                                          |             
      Renal Tubule, Accumulation, Hyaline  |                                                                          |             
          Droplet                          |                                                                          |             
                                           |__________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inclusion Body Intracytoplasmic      |                   1  2  1  2  2  1     1     2  1  2  2  2  2  2  1  2  1|             
      Infiltration Cellular, Lymphocyte    |          1  1     1  1  1  1                 1        1  1  1  2  1     1|             
 __________________________________________|__________________________________________________________________________              
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                                                                                                    
                                                             Page  41                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 2| 2| 2| 2| 2| 2|     |      A     |
    450 PPM                                | 3| 3| 3| 3| 3| 3| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 0| 0| 0| 0| 0| 0|     |      L     |
                                           | 3| 4| 5| 6| 7| 8| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 0| 1| 2| 3| 4| 5|     |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
                                           |__________________________________________________________________________|____________|
   Gallbladder                             | +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +      |  43        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
      Hyperplasia, Lymphoid                |                                                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Hyperplasia, Lymphoid                |                                                                          |      1  4.0|
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Hematopoietic Cell Proliferation     |                                                                          |      2  1.0|
      Infiltration Cellular, Lymphocyte    |       1                 1                             1        1         |     12  1.2|
      Inflammation, Chronic Active, Focal  |                                                                          |      4  1.0|
      Necrosis                             |                                        2                                 |      2  2.5|
      Tension Lipidosis                    |                      2  2           1                                    |      6  1.5|
      Bile Duct, Cyst                      |                                                                          |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Cyst                                 | 2                                                                        |      1  2.0|
      Cytoplasmic Alteration               |                                              1                           |      1  1.0|
      Infiltration Cellular, Lymphocyte    |       2                                                  1               |      3  1.7|
                                           |__________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Parotid Gland, Infiltration Cellular,|                                                                          |            |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                                                                                                    
                                                             Page  42                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 2| 2| 2| 2| 2| 2|     |      A     |
    450 PPM                                | 3| 3| 3| 3| 3| 3| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 0| 0| 0| 0| 0| 0|     |      L     |
                                           | 3| 4| 5| 6| 7| 8| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 0| 1| 2| 3| 4| 5|     |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
           Lymphocyte                      |    2                                                        1            |      5  1.4|
      Submandibular Gland, Infiltration    |                                                                          |            |
          Cellular, Lymphocyte             |    2  1        1     1        2           2  3  2  1        2            |     28  1.8|
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Infiltration Cellular, Mast Cell     |                            2                                             |      1  2.0|
      Inflammation, Chronic Active         | 2                                                                        |      1  2.0|
      Ulcer                                |                                                                          |      1  2.0|
      Epithelium, Hyperplasia, Focal       | 2                          2           1                    2     2      |      7  1.7|
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Erosion                              |                   2                                                      |      1  2.0|
      Ulcer                                |                                                                          |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Tongue                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
                                           |__________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Artery, Inflammation, Chronic        |          3                                                               |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Accessory Adrenal Cortical Nodule    |                   1                                                      |      1  1.0|
      Hypertrophy, Focal                   |                2                                         3               |      2  2.5|
      Bilateral, Hypertrophy, Focal        |                                                                          |      1  3.0|
      Subcapsular, Hyperplasia             | 2  2  1  2  2  2  2  2  3  2  2  2  2  2  2  2  2  2  2  2  2  2  2      |     45  2.0|
                                           |__________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  43                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 2| 2| 2| 2| 2| 2|     |      A     |
    450 PPM                                | 3| 3| 3| 3| 3| 3| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 0| 0| 0| 0| 0| 0|     |      L     |
                                           | 3| 4| 5| 6| 7| 8| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 0| 1| 2| 3| 4| 5|     |            |
 _____________________________________________________________________________________________________________________|____________|
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Parathyroid Gland                       | +  +  M  +  +  +  M  M  +  +  +  +  M  +  M  +  +  +  +  +  +  +  +      |  42        |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  I  +  +  +  +  +  +      |  45        |
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Ultimobranchial Cyst                 |                                                                          |      2  1.0|
      Follicular Cell, Cyst                |                                                                          |      1  1.0|
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Clitoral Gland                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  44        |
      Duct, Cyst                           | 2  2  2  2  2  2  2  2  2  2  2  2  1  1  2  2  2  1  1  2  2  2  2      |     44  1.9|
                                           |__________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +      |  45        |
      Atrophy                              | 3  2  2  2  3  3  4  2  2  3     2  3  3  2     1  3     3  2            |     36  2.6|
      Cyst                                 |                            1  1           1                              |     11  1.0|
      Hemorrhage                           |                                                                          |      1  1.0|
      Bilateral, Cyst                      |                   1                 1                                    |      2  1.0|
                                           |__________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Angiectasis                          |                                                    2                     |      1  2.0|
      Hyperplasia, Cystic                  | 1  2  4  1  1  1     3  1  1  1  4  3  3  4  4  4  2  1  1  3  2  1      |     42  2.2|
                                           |__________________________________________________________________________|____________|
   Vagina                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
                                           |__________________________________________________________________________|____________|
   Lymph Node                              |                            +           +     +     +           +         |   9        |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                                                                                                    
                                                             Page  44                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 2| 2| 2| 2| 2| 2|     |      A     |
    450 PPM                                | 3| 3| 3| 3| 3| 3| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 0| 0| 0| 0| 0| 0|     |      L     |
                                           | 3| 4| 5| 6| 7| 8| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 0| 1| 2| 3| 4| 5|     |            |
 _____________________________________________________________________________________________________________________|____________|
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
      Lumbar, Hyperplasia, Lymphoid        |                                              2                           |      1  2.0|
      Renal, Hyperplasia, Lymphoid         |                                              2                           |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Hyperplasia, Lymphoid                |       2                                                                  |      1  2.0|
      Infiltration Cellular, Mast Cell     |                            2                                             |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
      Hyperplasia, Lymphoid                |       3                                      2                           |      5  2.2|
                                           |__________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Angiectasis                          |                                                                          |      1  2.0|
      Hematopoietic Cell Proliferation     |                   4                                                      |      5  3.0|
      Hyperplasia, Lymphoid                | 1                                                                 2      |      2  1.5|
                                           |__________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Angiectasis                          |                                                                   2      |      1  2.0|
      Cyst                                 |       1                                                                  |      3  1.0|
      Ectopic Parathyroid Gland            |             1                                                            |      3  1.0|
      Hyperplasia, Lymphoid                |       3                                                                  |      2  2.5|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  46        |
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Hyperplasia                          |                                  3                                       |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Femur, Fibrous Osteodystrophy        |                      3                             1                     |      2  2.0|
      Sternum, Degeneration, Cystic        |          1        1           1                                          |      3  1.0|
      Sternum, Fibrous Osteodystrophy      |                      1           1  1           1                        |      5  1.0|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                                                                                                    
                                                             Page  45                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 2| 2| 2| 2| 2| 2|     |      A     |
    450 PPM                                | 3| 3| 3| 3| 3| 3| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 0| 0| 0| 0| 0| 0|     |      L     |
                                           | 3| 4| 5| 6| 7| 8| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 0| 1| 2| 3| 4| 5|     |            |
 _____________________________________________________________________________________________________________________|____________|
 MUSCULOSKELETAL SYSTEM - cont             |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Cerebrum, Mineralization             | 1        1  1                 1  1              1  1     1  1            |     17  1.0|
                                           |__________________________________________________________________________|____________|
   Peripheral Nerve                        | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
                                           |__________________________________________________________________________|____________|
   Spinal Cord                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Thoracic, Axon, Degeneration         |          1           1  1                    1     1  1  1               |     19  1.1|
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Hemorrhage, Focal                    |                                                                          |      1  2.0|
      Infiltration Cellular, Lymphocyte    |                                                             1            |      2  1.5|
      Alveolar Epithelium, Hyperplasia     |                                                                          |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
                                           |__________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Bilateral, Lens, Cataract            |                         1     1                                          |      2  1.0|
      Lens, Cataract                       |                            1                             3               |      6  1.8|
                                           |__________________________________________________________________________|____________|
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Hyperplasia                          |                                                                          |      1  2.0|
      Infiltration Cellular, Lymphocyte    |                                              1  1                        |      4  1.0|
                                           |__________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                                                                                                    
                                                             Page  46                                                               
                                                                                                                                   
NTP Experiment-Test: 93005-04                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: CHRONIC                                          MALACHITE GREEN                                      Date: 06/19/03    
Route: DOSED FEED                                                                                                 Time: 07:24:46    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|     |            |
                             DAY ON TEST   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|     |            |
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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|     |      O     |
   C57BL/6N XC3H/HEN MTN-NCTR FEMALE       | 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| 2| 2| 2| 2| 2| 2|     |      A     |
    450 PPM                                | 3| 3| 3| 3| 3| 3| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 0| 0| 0| 0| 0| 0|     |      L     |
                                           | 3| 4| 5| 6| 7| 8| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 0| 1| 2| 3| 4| 5|     |            |
 _____________________________________________________________________________________________________________________|____________|
 SPECIAL SENSES SYSTEM - cont              |                                                                          |            |
   Zymbal's Gland                          | +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Atrophy                              |                                                                          |      1  1.0|
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  47        |
      Infiltration Cellular, Lymphocyte    |                                        1           2                     |      2  1.5|
      Nephropathy                          |                                                                          |      1  1.0|
      Glomerulus, Amyloid Deposition       |                                                                          |      2  4.0|
      Glomerulus, Hypertrophy              |                                                                          |      1  2.0|
      Glomerulus, Inflammation, Acute      |                            2                                             |      1  2.0|
      Renal Tubule, Accumulation, Hyaline  |                                                                          |            |
          Droplet                          |                   3                                                      |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +      |  48        |
      Inclusion Body Intracytoplasmic      | 1  1  1  2  1  1  2  1  1     1  2  1  2  1  1  1  2  2  2  1  1  1      |     39  1.4|
      Infiltration Cellular, Lymphocyte    |    1  1        1              2  1     1  2     1  1     2  1     1      |     25  1.2|
 __________________________________________________________________________________________________________________________________ 
                                                                                                                                    
  * : 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  47                                                               
                                                                                                                                   
                             ------------------------------------------------------------                                           
                             ----------              END OF REPORT             ----------                                           
                             ------------------------------------------------------------