https://ntp.niehs.nih.gov/go/3484

TR 391 Mouse Pathology Tables

NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97
Route: GAVAGE                                                                                                     Time: 16:14:55
       Facility:  Microbiological Associates
       Chemical CAS #:  115-96-8
       Lock Date:  None
       Cage Range:  All
       Reasons For Removal:    All
       Removal Date Range:     All
       Treatment Groups:       Include All
Note:  Animals arranged according to CID number
                                                              Page   1
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 4| 3| 7| 7| 7| 6| 2|             
                             DAY ON TEST   | 2| 2| 2| 2| 1| 2| 2| 1| 0| 0| 2| 2| 2| 2| 1| 2| 2| 2| 6| 6| 2| 2| 2| 6| 3|             
                                           | 9| 9| 9| 9| 8| 9| 9| 6| 0| 2| 9| 9| 9| 9| 0| 9| 9| 9| 9| 0| 9| 9| 9| 9| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|             
    CONTROL                                | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|             
    FEMALE                                 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  +  +  +  +  +  +  A  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  M  +|             
      Lymphoma Malignant Mixed             |                                                             X            |             
                                            __________________________________________________________________________|             
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  M  +|             
                                            __________________________________________________________________________|             
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | M  M  M  M  M  M  M  M  M  A  M  M  +  M  A  M  M  +  A  M  +  M  +  M  M|             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  A  +  +  +  +  A  +  +  +  A  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hepatocellular Carcinoma             |             X     X                                                      |             
      Hepatocellular Adenoma               |    X                                                                     |             
      Lymphoma Malignant Lymphocytic       |                      X                                                   |             
      Lymphoma Malignant Mixed             |                                                             X            |             
                                            __________________________________________________________________________|             
   Mesentery                               |                                  +        +  +                           |             
      Lymphoma Malignant Lymphocytic       |                                           X                              |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                      X                                                   |             
      Lymphoma Malignant Mixed             |                                                             X            |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Lymphoma Malignant Mixed             |                                                             X            |             
                                            __________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
      Squamous Cell Papilloma              |                                                 X                        |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Tooth                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Capsule, Lymphoma Malignant Mixed    |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                      X                                                   |             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  +  M  +  +  +  M  +  +  +  +  M  +  +  +  +  +  M  M  M  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page   2                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 4| 3| 7| 7| 7| 6| 2|             
                             DAY ON TEST   | 2| 2| 2| 2| 1| 2| 2| 1| 0| 0| 2| 2| 2| 2| 1| 2| 2| 2| 6| 6| 2| 2| 2| 6| 3|             
                                           | 9| 9| 9| 9| 8| 9| 9| 6| 0| 2| 9| 9| 9| 9| 0| 9| 9| 9| 9| 0| 9| 9| 9| 9| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|             
    CONTROL                                | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|             
    FEMALE                                 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +|             
      Pars Distalis, Adenoma               |                                              X                 X         |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ovary                                   | M  M  +  +  M  M  +  +  +  +  +  M  M  +  M  +  +  +  +  +  +  +  M  +  +|             
      Lymphoma Malignant Lymphocytic       |                      X                                                   |             
      Periovarian Tissue, Lymphoma         |                                                                          |             
          Malignant Lymphocytic            |                                                                          |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                      X                                                   |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Lymphoma Malignant Mixed             |                                                             X            |             
                                            __________________________________________________________________________|             
   Lymph Node                              | +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Axillary, Lymphoma Malignant Mixed   |                                                                          |             
      Iliac, Lymphoma Malignant Mixed      |                                                    X                     |             
      Inguinal, Lymphoma Malignant Mixed   |                                                                          |             
      Mediastinal, Lymphoma Malignant      |                                                                          |             
          Lymphocytic                      |                      X                                                   |             
      Mediastinal, Lymphoma Malignant Mixed|                                                                          |             
      Renal, Lymphoma Malignant Mixed      |                                                    X                     |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  M  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                      X                    X                              |             
      Lymphoma Malignant Mixed             |                                                    X        X            |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +|             
      Histiocytic Sarcoma                  |                   X                                                      |             
      Lymphoma Malignant Lymphocytic       |                      X                    X                              |             
      Lymphoma Malignant Mixed             |                                                    X        X            |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                      X                                                   |             
      Lymphoma Malignant Mixed             |                                                             X            |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  M  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Lymphoma Malignant Mixed             |                                                    X        X            |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  M  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
      Fibroadenoma                         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page   3                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 4| 3| 7| 7| 7| 6| 2|             
                             DAY ON TEST   | 2| 2| 2| 2| 1| 2| 2| 1| 0| 0| 2| 2| 2| 2| 1| 2| 2| 2| 6| 6| 2| 2| 2| 6| 3|             
                                           | 9| 9| 9| 9| 8| 9| 9| 6| 0| 2| 9| 9| 9| 9| 0| 9| 9| 9| 9| 0| 9| 9| 9| 9| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|             
    CONTROL                                | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|             
    FEMALE                                 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                      X                    X                              |             
      Lymphoma Malignant Mixed             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                           X                              |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Alveolar/Bronchiolar Adenoma         |                                                                      X   |             
      Alveolar/Bronchiolar Carcinoma       |                                                                          |             
      Hepatocellular Carcinoma, Metastatic,|                                                                          |             
           Liver                           |             X     X                                                      |             
      Histiocytic Sarcoma                  |                   X                                                      |             
      Lymphoma Malignant Lymphocytic       |                      X                    X                              |             
      Lymphoma Malignant Mixed             |                                                             X            |             
      Squamous Cell Carcinoma, Metastatic, |                                                                          |             
           Ear                             |                                                                          |             
      Mediastinum, Lymphoma Malignant      |                                                                          |             
          Lymphocytic                      |                                                                          |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                      X                    X                              |             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ear                                     |                                                                          |             
      External Ear, Squamous Cell Carcinoma|                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                            +                          +  +              +|             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Adenoma                              | X                                                           X            |             
      Lymphoma Malignant Lymphocytic       |                      X                    X                              |             
      Lymphoma Malignant Mixed             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                      X                                                   |             
      Lymphoma Malignant Mixed             |                                                             X            |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                      X                    X                              |             
      Lymphoma Malignant Mixed             |                                                             X            |             
 _____________________________________________________________________________________________________________________|             
                                                             Page   4                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 4| 3| 7| 7| 7| 6| 2|             
                             DAY ON TEST   | 2| 2| 2| 2| 1| 2| 2| 1| 0| 0| 2| 2| 2| 2| 1| 2| 2| 2| 6| 6| 2| 2| 2| 6| 3|             
                                           | 9| 9| 9| 9| 8| 9| 9| 6| 0| 2| 9| 9| 9| 9| 0| 9| 9| 9| 9| 0| 9| 9| 9| 9| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|             
    CONTROL                                | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|             
    FEMALE                                 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 SYSTEMIC LESIONS                          |                                                                          |             
                                            __________________________________________________________________________|             
   Multiple Organs                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                   X                                                      |             
      Lymphoma Malignant Lymphocytic       |                      X                    X                              |             
      Lymphoma Malignant Mixed             |                                                    X        X            |             
 _____________________________________________________________________________________________________________________|             
                                                             Page   5                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 6| 3| 7| 7| 7| 7| 3| 7| 7| 7| 5| 3| 7| 7| 7| 6| 5| 7| 7| 6| 5| 3|             
                             DAY ON TEST   | 2| 2| 2| 6| 0| 2| 2| 2| 2| 0| 2| 2| 2| 4| 6| 2| 2| 2| 3| 3| 2| 2| 3| 4| 9|             
                                           | 9| 9| 9| 9| 2| 9| 9| 9| 9| 4| 9| 9| 9| 0| 5| 9| 9| 9| 2| 7| 9| 9| 9| 4| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|             
    CONTROL                                | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6|             
    FEMALE                                 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  +  +  +  A  +  +  +  +  M  +  +  +  A  +  +  +  +  M  A  +  +  +  +  +|             
      Lymphoma Malignant Mixed             |          X                                                               |             
                                            __________________________________________________________________________|             
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Mixed             |          X                                                               |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small                         | +  +  +  +  A  +  +  +  +  A  +  +  +  A  +  +  +  +  +  A  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  M  M  M  A  M  M  +  M  A  M  M  M  A  M  M  +  M  M  A  +  M  M  M  M|             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  A  +  +  +  +  A  +  +  +  A  +  +  +  +  +  A  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  A  +  +  +  +  A  +  +  +  A  +  +  +  +  +  A  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hepatocellular Carcinoma             |                                                                          |             
      Hepatocellular Adenoma               |                X                    X                                    |             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
      Lymphoma Malignant Mixed             |          X                                               X  X            |             
                                            __________________________________________________________________________|             
   Mesentery                               |    +                                            +                 +     +|             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
      Lymphoma Malignant Mixed             |          X                                               X  X            |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
      Lymphoma Malignant Mixed             |                                                          X               |             
                                            __________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Squamous Cell Papilloma              |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Tooth                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +|             
      Capsule, Lymphoma Malignant Mixed    |                                                             X            |             
                                            __________________________________________________________________________|             
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Lymphoma Malignant Mixed             |          X                                               X               |             
                                            __________________________________________________________________________|             
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +|             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  +  M  +  +  +  +  +  +  M  +  +  +  +  +  M  +  M  +  +  +  M  +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page   6                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 6| 3| 7| 7| 7| 7| 3| 7| 7| 7| 5| 3| 7| 7| 7| 6| 5| 7| 7| 6| 5| 3|             
                             DAY ON TEST   | 2| 2| 2| 6| 0| 2| 2| 2| 2| 0| 2| 2| 2| 4| 6| 2| 2| 2| 3| 3| 2| 2| 3| 4| 9|             
                                           | 9| 9| 9| 9| 2| 9| 9| 9| 9| 4| 9| 9| 9| 0| 5| 9| 9| 9| 2| 7| 9| 9| 9| 4| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|             
    CONTROL                                | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6|             
    FEMALE                                 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Pars Distalis, Adenoma               |    X                                                                 X   |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ovary                                   | +  M  M  +  +  +  M  +  +  +  +  +  +  +  +  +  +  M  +  +  +  M  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Periovarian Tissue, Lymphoma         |                                                                          |             
          Malignant Lymphocytic            |                                                                   X      |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Axillary, Lymphoma Malignant Mixed   |                                                             X            |             
      Iliac, Lymphoma Malignant Mixed      |                                                                          |             
      Inguinal, Lymphoma Malignant Mixed   |          X                                                               |             
      Mediastinal, Lymphoma Malignant      |                                                                          |             
          Lymphocytic                      |                                                                          |             
      Mediastinal, Lymphoma Malignant Mixed|                                                             X            |             
      Renal, Lymphoma Malignant Mixed      |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
      Lymphoma Malignant Mixed             |          X                          X                 X  X  X            |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  M  +  +  +  +  M  +  +  +  +  +  +  +  +  M  +|             
      Histiocytic Sarcoma                  |                                                                          |             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
      Lymphoma Malignant Mixed             |          X                          X                 X  X  X            |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
      Lymphoma Malignant Mixed             |          X                          X                 X  X  X            |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  +  +  +  +  +  M  +  M  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
      Lymphoma Malignant Mixed             |          X                                               X  X            |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fibroadenoma                         |                                  X                                       |             
 _____________________________________________________________________________________________________________________|             
                                                             Page   7                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 6| 3| 7| 7| 7| 7| 3| 7| 7| 7| 5| 3| 7| 7| 7| 6| 5| 7| 7| 6| 5| 3|             
                             DAY ON TEST   | 2| 2| 2| 6| 0| 2| 2| 2| 2| 0| 2| 2| 2| 4| 6| 2| 2| 2| 3| 3| 2| 2| 3| 4| 9|             
                                           | 9| 9| 9| 9| 2| 9| 9| 9| 9| 4| 9| 9| 9| 0| 5| 9| 9| 9| 2| 7| 9| 9| 9| 4| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|             
    CONTROL                                | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6|             
    FEMALE                                 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
      Lymphoma Malignant Mixed             |          X                                                               |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Alveolar/Bronchiolar Adenoma         |                                                       X                  |             
      Alveolar/Bronchiolar Carcinoma       |                         X                                                |             
      Hepatocellular Carcinoma, Metastatic,|                                                                          |             
           Liver                           |                                                                          |             
      Histiocytic Sarcoma                  |                                                                          |             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
      Lymphoma Malignant Mixed             |          X                          X                    X  X            |             
      Squamous Cell Carcinoma, Metastatic, |                                                                          |             
           Ear                             |                                                                         X|             
      Mediastinum, Lymphoma Malignant      |                                                                          |             
          Lymphocytic                      |                                                                   X      |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ear                                     |                                           +                             +|             
      External Ear, Squamous Cell Carcinoma|                                                                         X|             
                                            __________________________________________________________________________|             
   Eye                                     |             +                             +              +              +|             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Adenoma                              |                                                    X                     |             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
      Lymphoma Malignant Mixed             |          X                                                               |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
      Lymphoma Malignant Mixed             |          X                          X                 X  X  X            |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
      Lymphoma Malignant Mixed             |          X                                                               |             
 _____________________________________________________________________________________________________________________|             
                                                             Page   8                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 6| 3| 7| 7| 7| 7| 3| 7| 7| 7| 5| 3| 7| 7| 7| 6| 5| 7| 7| 6| 5| 3|             
                             DAY ON TEST   | 2| 2| 2| 6| 0| 2| 2| 2| 2| 0| 2| 2| 2| 4| 6| 2| 2| 2| 3| 3| 2| 2| 3| 4| 9|             
                                           | 9| 9| 9| 9| 2| 9| 9| 9| 9| 4| 9| 9| 9| 0| 5| 9| 9| 9| 2| 7| 9| 9| 9| 4| 7|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|             
    CONTROL                                | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6|             
    FEMALE                                 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 SYSTEMIC LESIONS                          |                                                                          |             
                                            __________________________________________________________________________|             
   Multiple Organs                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                                                                          |             
      Lymphoma Malignant Lymphocytic       |                                                                   X      |             
      Lymphoma Malignant Mixed             |          X                          X                 X  X  X            |             
 _____________________________________________________________________________________________________________________|             
                                                             Page   9                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 2|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 9|                                            |            |
                                           | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |     A      |
    CONTROL                                | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8|                                            |     L      |
    FEMALE                                 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Esophagus                               |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Gallbladder                             |                                                                          |  41        |
      Lymphoma Malignant Mixed             |                                                                          |          2 |
                                            __________________________________________________________________________|____________|
   Intestine Large                         |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  |                                                                          |  49        |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 |                                                                          |  47        |
                                            __________________________________________________________________________|____________|
   Intestine Small                         |                                                                          |  45        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               |                                                                          |   8        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  |                                                                          |  43        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                |                                                                          |  45        |
                                            __________________________________________________________________________|____________|
   Liver                                   |                                                                          |  50        |
      Hepatocellular Carcinoma             |                                                                          |          2 |
      Hepatocellular Adenoma               |                                                                          |          3 |
      Lymphoma Malignant Lymphocytic       |                                                                          |          2 |
      Lymphoma Malignant Mixed             |                                                                          |          4 |
                                            __________________________________________________________________________|____________|
   Mesentery                               |                                                                          |   7        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          2 |
                                            __________________________________________________________________________|____________|
   Pancreas                                |                                                                          |  49        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          2 |
      Lymphoma Malignant Mixed             |                                                                          |          4 |
                                            __________________________________________________________________________|____________|
   Salivary Glands                         |                                                                          |  50        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          2 |
                                            __________________________________________________________________________|____________|
   Stomach                                 |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    |                                                                          |  49        |
      Squamous Cell Papilloma              |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      |                                                                          |  48        |
                                            __________________________________________________________________________|____________|
   Tooth                                   |                                                                          |  49        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Heart                                   |                                                                          |  50        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Adrenal Gland                           |                                                                          |  49        |
      Capsule, Lymphoma Malignant Mixed    |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Adrenal Gland, Cortex                   |                                                                          |  49        |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  10                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 2|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 9|                                            |            |
                                           | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |     A      |
    CONTROL                                | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8|                                            |     L      |
    FEMALE                                 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
                                           |                                                                          |            |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          2 |
                                            __________________________________________________________________________|____________|
   Adrenal Gland, Medulla                  |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      |                                                                          |  48        |
                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       |                                                                          |  39        |
                                            __________________________________________________________________________|____________|
   Pituitary Gland                         |                                                                          |  48        |
      Pars Distalis, Adenoma               |                                                                          |          4 |
                                            __________________________________________________________________________|____________|
   Thyroid Gland                           |                                                                          |  50        |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Ovary                                   |                                                                          |  37        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
      Periovarian Tissue, Lymphoma         |                                                                          |            |
          Malignant Lymphocytic            |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Uterus                                  |                                                                          |  50        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          2 |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone Marrow                             |                                                                          |  49        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Lymph Node                              |                                                                          |  49        |
      Axillary, Lymphoma Malignant Mixed   |                                                                          |          1 |
      Iliac, Lymphoma Malignant Mixed      |                                                                          |          1 |
      Inguinal, Lymphoma Malignant Mixed   |                                                                          |          1 |
      Mediastinal, Lymphoma Malignant      |                                                                          |            |
          Lymphocytic                      |                                                                          |          1 |
      Mediastinal, Lymphoma Malignant Mixed|                                                                          |          1 |
      Renal, Lymphoma Malignant Mixed      |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  |                                                                          |  47        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          3 |
      Lymphoma Malignant Mixed             |                                                                          |          7 |
                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  |                                                                          |  45        |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Lymphoma Malignant Lymphocytic       |                                                                          |          3 |
      Lymphoma Malignant Mixed             |                                                                          |          7 |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  11                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 2|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 9|                                            |            |
                                           | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |     A      |
    CONTROL                                | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8|                                            |     L      |
    FEMALE                                 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Spleen                                  |                                                                          |  50        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          2 |
      Lymphoma Malignant Mixed             |                                                                          |          6 |
                                            __________________________________________________________________________|____________|
   Thymus                                  |                                                                          |  45        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          5 |
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Mammary Gland                           |                                                                          |  48        |
      Fibroadenoma                         |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Skin                                    |                                                                          |  50        |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone                                    |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Skeletal Muscle                         |                                                                          |  49        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          3 |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Brain                                   |                                                                          |  50        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Lung                                    |                                                                          |  50        |
      Alveolar/Bronchiolar Adenoma         |                                                                          |          2 |
      Alveolar/Bronchiolar Carcinoma       |                                                                          |          1 |
      Hepatocellular Carcinoma, Metastatic,|                                                                          |            |
           Liver                           |                                                                          |          2 |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Lymphoma Malignant Lymphocytic       |                                                                          |          3 |
      Lymphoma Malignant Mixed             |                                                                          |          5 |
      Squamous Cell Carcinoma, Metastatic, |                                                                          |            |
           Ear                             |                                                                          |          1 |
      Mediastinum, Lymphoma Malignant      |                                                                          |            |
          Lymphocytic                      |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Nose                                    |                                                                          |  49        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          2 |
                                            __________________________________________________________________________|____________|
   Trachea                                 |                                                                          |  50        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  12                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 2|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 9|                                            |            |
                                           | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |     A      |
    CONTROL                                | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8|                                            |     L      |
    FEMALE                                 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 SPECIAL SENSES SYSTEM - cont              |                                                                          |            |
                                           |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Ear                                     |                                                                          |   2        |
      External Ear, Squamous Cell Carcinoma|                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Eye                                     |                                                                          |   8        |
                                            __________________________________________________________________________|____________|
   Harderian Gland                         |                                                                          |  49        |
      Adenoma                              |                                                                          |          3 |
      Lymphoma Malignant Lymphocytic       |                                                                          |          3 |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Kidney                                  |                                                                          |  50        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          2 |
      Lymphoma Malignant Mixed             |                                                                          |          6 |
                                            __________________________________________________________________________|____________|
   Urinary Bladder                         |                                                                          |  49        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          3 |
      Lymphoma Malignant Mixed             |                                                                          |          2 |
 __________________________________________________________________________________________________________________________________ 
 SYSTEMIC LESIONS                          |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Multiple Organs                         |                                                                          |  50        |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Lymphoma Malignant Lymphocytic       |                                                                          |          3 |
      Lymphoma Malignant Mixed             |                                                                          |          7 |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  13                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6|             
                             DAY ON TEST   | 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 2| 3| 3| 3| 3| 3| 3| 6| 2|             
                                           | 0| 0| 0| 0| 4| 0| 0| 0| 0| 0| 0| 0| 0| 0| 8| 0| 6| 0| 0| 0| 0| 0| 0| 6| 2|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    175MG/KG                               | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|             
    LOW FEM                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               |             +                             +     +                    +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             |             +                             +     +                    +  A|             
                                            __________________________________________________________________________|             
   Intestine Large                         |             +                             +     +                    +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  |             +                             +     A                    +  A|             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  |             +                             +     +                    +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 |             +                             +     A                    +  +|             
                                            __________________________________________________________________________|             
   Intestine Small                         |             +                             +     +                    +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               |             M                             M     +                    M  A|             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  |             +                             +     M                    +  A|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                |             +                             +     +                    +  +|             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hepatocellular Carcinoma             |                                                                          |             
      Hepatocellular Adenoma               |                      X                                                   |             
      Hepatocellular Adenoma, Multiple     |                                                 X                        |             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Lymphoma Malignant Mixed             |                                           X                    X         |             
                                            __________________________________________________________________________|             
   Mesentery                               |                   +  +                          +              +        +|             
      Hemangiosarcoma, Metastatic,         |                                                                          |             
          Skeletal Muscle                  |                                                                          |             
      Mesothelioma Malignant               |                                                                          |             
                                            __________________________________________________________________________|             
   Pancreas                                |             +                             +     +                    +  +|             
      Fibrosarcoma, Metastatic, Skin       |                                                                         X|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         |             +                             +     +                    +  +|             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Spleen               |                                                 X                        |             
                                            __________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Tooth                                   |             +                             +     +                    +  +|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   |             +                             +     +                    +  +|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland                           |             +                             +     +                    +  +|             
                                            __________________________________________________________________________|             
   Adrenal Gland, Cortex                   |             +                             +     +                    +  +|             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland, Medulla                  |             +                             +     +                    +  +|             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      |             +                             +     +                    +  +|             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       |             +                             +     +                    +  +|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         |             +                          +  +     +                    +  M|             
      Pars Distalis, Adenoma               |                                        X                                 |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           |             +                             +     +                    +  +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page  14                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6|             
                             DAY ON TEST   | 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 2| 3| 3| 3| 3| 3| 3| 6| 2|             
                                           | 0| 0| 0| 0| 4| 0| 0| 0| 0| 0| 0| 0| 0| 0| 8| 0| 6| 0| 0| 0| 0| 0| 0| 6| 2|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    175MG/KG                               | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|             
    LOW FEM                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
      Follicular Cell, Adenoma             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ovary                                   |             +  +                          +     +        +           M  +|             
      Cystadenoma                          |                                                                          |             
      Lymphoma Malignant Mixed             |                                                                          |             
      Periovarian Tissue, Mesothelioma     |                                                                          |             
          Malignant                        |                                                                          |             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +     +  +  +  +  +  +  +  +  +     +  +  +  +        +  +  +  +  +|             
      Deciduoma Benign                     |                               X                                          |             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Endometrium, Polyp Stromal           |    X                                                                     |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             |             +                             +     +                    +  +|             
                                            __________________________________________________________________________|             
   Lymph Node                              |             +                             +     +              +     +  +|             
      Inguinal, Lymphoma Malignant Mixed   |                                                                          |             
      Mediastinal, Lymphoma Malignant Mixed|                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  |             +                             +     +                    M  +|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Lymphoma Malignant Mixed             |                                           X                              |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  |             +                             +     +              +     +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Lymphoma Malignant Mixed             |                                           X                    X         |             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Spleen               |                                                 X                        |             
                                            __________________________________________________________________________|             
   Spleen                                  |    +  +     +                    +  +     +     +              +     +  +|             
      Hemangiosarcoma                      |                                     X                                    |             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Lymphoma Malignant Mixed             |                                           X                    X         |             
      Mast Cell Tumor Malignant            |                                                 X                        |             
                                            __________________________________________________________________________|             
   Thymus                                  |             +                             M     +                    I  +|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Lymphoma Malignant Mixed             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           |    +        +  +        +  +  +  +        +     +     +  +  +  +     +  +|             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Spleen               |                                                 X                        |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  15                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6|             
                             DAY ON TEST   | 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 2| 3| 3| 3| 3| 3| 3| 6| 2|             
                                           | 0| 0| 0| 0| 4| 0| 0| 0| 0| 0| 0| 0| 0| 0| 8| 0| 6| 0| 0| 0| 0| 0| 0| 6| 2|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    175MG/KG                               | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|             
    LOW FEM                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Trichoepithelioma                    |                                                                          |             
      Subcutaneous Tissue, Fibrosarcoma    |                                                                         X|             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    |             +                             +     +                    +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |             +                             +     +                    +  +|             
      Hemangiosarcoma                      |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   |             +                             +     +                    +  +|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Alveolar/Bronchiolar Adenoma         |                                                                          |             
      Fibrosarcoma, Metastatic, Skin       |                                                                         X|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Lymphoma Malignant Mixed             |                                                                          |             
      Mediastinum, Lymphoma Malignant      |                                                                          |             
          Lymphocytic                      |                                                                          |             
                                            __________________________________________________________________________|             
   Nose                                    |             +                             +     +                    +  +|             
      Leukemia                             |                                                                          |             
                                            __________________________________________________________________________|             
   Trachea                                 |             +                             +     +                    +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |    +                                                                     |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Adenoma                              |    X                 X                    X              X               |             
      Adenoma, Multiple                    | X                                                                        |             
      Carcinoma                            |                                  X                                       |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Mixed             |                                                                          |             
      Renal Tubule, Adenoma                |                                                                          |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         |             +                             +     +                    M  +|             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Lymphoma Malignant Mixed             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 SYSTEMIC LESIONS                          |                                                                          |             
                                            __________________________________________________________________________|             
   Multiple Organs                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Leukemia                             |                                                                          |             
      Lymphoma Malignant Lymphocytic       |                                                                          |             
      Lymphoma Malignant Mixed             |                                           X                    X         |             
      Mesothelioma Malignant               |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  16                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 3| 1| 3| 3| 9| 7| 6| 3| 3| 3| 3| 6| 3| 3| 3| 9| 5| 3| 3| 3| 3| 4|             
                                           | 0| 0| 0| 0| 4| 0| 0| 4| 0| 6| 1| 1| 1| 1| 9| 1| 1| 1| 0| 4| 1| 1| 1| 1| 2|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    175MG/KG                               | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8|             
    LOW FEM                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               |             +        +  +  +              +           +  +              +|             
                                            __________________________________________________________________________|             
   Gallbladder                             |             M        M  +  +              +           +  A              A|             
                                            __________________________________________________________________________|             
   Intestine Large                         |             +        +  +  +              +           +  +              +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  |             +        +  +  +              +           M  +              +|             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  |             +        +  +  +              +           +  +              +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 |             +        +  +  +              +           M  +              +|             
                                            __________________________________________________________________________|             
   Intestine Small                         |             +        +  +  +              +           +  A              +|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               |             +        M  M  M              M           M  A              A|             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  |             +        +  +  +              +           +  A              A|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                |             +        +  +  +              +           +  A              +|             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hepatocellular Carcinoma             |             X           X                                                |             
      Hepatocellular Adenoma               |                                                    X                     |             
      Hepatocellular Adenoma, Multiple     |                                                                          |             
      Lymphoma Malignant Lymphocytic       |                            X                                             |             
      Lymphoma Malignant Mixed             |                      X                                X                  |             
                                            __________________________________________________________________________|             
   Mesentery                               |                         +                 +        +              +      |             
      Hemangiosarcoma, Metastatic,         |                                                                          |             
          Skeletal Muscle                  |                                                                   X      |             
      Mesothelioma Malignant               |                         X                                                |             
                                            __________________________________________________________________________|             
   Pancreas                                |             +        +  +  +              +           +  +              +|             
      Fibrosarcoma, Metastatic, Skin       |                                                                          |             
      Lymphoma Malignant Lymphocytic       |                            X                             X               |             
                                            __________________________________________________________________________|             
   Salivary Glands                         |             +        +  +  +              +           +  +              +|             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Spleen               |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Tooth                                   |             +        +  +  +              +           +  +              +|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   |             +        +  +  +              +           +  +              +|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland                           |             +        +  +  +              M           +  +              +|             
                                            __________________________________________________________________________|             
   Adrenal Gland, Cortex                   |             +        +  +  +              M           +  +              +|             
      Lymphoma Malignant Mixed             |                      X                                                   |             
                                            __________________________________________________________________________|             
   Adrenal Gland, Medulla                  |             +        +  +  +              M           +  +              +|             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      |             +        +  +  M              +           +  +              +|             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       |             +        +  +  M              +           +  M              +|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +           +        +  +  +              M           +  +        +     +|             
      Pars Distalis, Adenoma               | X                                                                 X      |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           |             +        +  +  +              +           +  M              +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page  17                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 3| 1| 3| 3| 9| 7| 6| 3| 3| 3| 3| 6| 3| 3| 3| 9| 5| 3| 3| 3| 3| 4|             
                                           | 0| 0| 0| 0| 4| 0| 0| 4| 0| 6| 1| 1| 1| 1| 9| 1| 1| 1| 0| 4| 1| 1| 1| 1| 2|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    175MG/KG                               | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8|             
    LOW FEM                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
      Follicular Cell, Adenoma             |                            X                                             |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ovary                                   | +     +     +        +  +  +        +     +           M  +              +|             
      Cystadenoma                          |                                     X                                    |             
      Lymphoma Malignant Mixed             |                      X                                                   |             
      Periovarian Tissue, Mesothelioma     |                                                                          |             
          Malignant                        |                         X                                                |             
                                            __________________________________________________________________________|             
   Uterus                                  |    +  +  +  +  +  +  +  +  +  +  +        +  +  +  +  +  +  +  +  +  +  +|             
      Deciduoma Benign                     |                                                                          |             
      Lymphoma Malignant Lymphocytic       |                            X                             X               |             
      Endometrium, Polyp Stromal           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             |             +        +  +  +              +           +  +              +|             
                                            __________________________________________________________________________|             
   Lymph Node                              |             +        +  +  +        +     +        +  +  +        +     +|             
      Inguinal, Lymphoma Malignant Mixed   |                      X                                                   |             
      Mediastinal, Lymphoma Malignant Mixed|                                                    X                     |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  |             +        +  +  +              +           +  +              +|             
      Lymphoma Malignant Lymphocytic       |                            X                                             |             
      Lymphoma Malignant Mixed             |                      X                                                   |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  |             +        +  +  +        +     +        +  M  +        +     +|             
      Lymphoma Malignant Lymphocytic       |                            X                                             |             
      Lymphoma Malignant Mixed             |                      X                             X                     |             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Spleen               |                                                                          |             
                                            __________________________________________________________________________|             
   Spleen                                  |             +        +  +  +        +     M        +  +  +        +     +|             
      Hemangiosarcoma                      |                                                                          |             
      Lymphoma Malignant Lymphocytic       |                            X                                             |             
      Lymphoma Malignant Mixed             |                      X                                X                  |             
      Mast Cell Tumor Malignant            |                                                                          |             
                                            __________________________________________________________________________|             
   Thymus                                  |             M        +  +  +              M           +  M              +|             
      Lymphoma Malignant Lymphocytic       |                            X                                             |             
      Lymphoma Malignant Mixed             |                      X                                                   |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           |       +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +              +|             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +        +  +|             
      Lymphoma Malignant Lymphocytic       |                                                          X               |             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Spleen               |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  18                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 3| 1| 3| 3| 9| 7| 6| 3| 3| 3| 3| 6| 3| 3| 3| 9| 5| 3| 3| 3| 3| 4|             
                                           | 0| 0| 0| 0| 4| 0| 0| 4| 0| 6| 1| 1| 1| 1| 9| 1| 1| 1| 0| 4| 1| 1| 1| 1| 2|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|             
    175MG/KG                               | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8|             
    LOW FEM                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
      Trichoepithelioma                    |                   X                                                      |             
      Subcutaneous Tissue, Fibrosarcoma    |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    |             +        +  +  +              +           +  +              +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |             +        +  +  +              +           +  +        +     +|             
      Hemangiosarcoma                      |                                                                   X      |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   |             +        +  +  +              +           +  +              +|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Alveolar/Bronchiolar Adenoma         |          X                                                     X         |             
      Fibrosarcoma, Metastatic, Skin       |                                                                          |             
      Lymphoma Malignant Lymphocytic       |                            X                                             |             
      Lymphoma Malignant Mixed             |                                                       X                  |             
      Mediastinum, Lymphoma Malignant      |                                                                          |             
          Lymphocytic                      |                                                          X               |             
                                            __________________________________________________________________________|             
   Nose                                    |             +  +     +  +  +              +           +  +              +|             
      Leukemia                             |                X                                                         |             
                                            __________________________________________________________________________|             
   Trachea                                 |             +        +  +  +              +           +  M              +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                                                                          |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Adenoma                              |          X                                                        X      |             
      Adenoma, Multiple                    |                                                                          |             
      Carcinoma                            |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Mixed             |                      X                                                   |             
      Renal Tubule, Adenoma                |                            X                                             |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         |             +        +  +  +              +           +  +              +|             
      Lymphoma Malignant Lymphocytic       |                                                          X               |             
      Lymphoma Malignant Mixed             |                      X                                                   |             
 _____________________________________________________________________________________________________________________|             
 SYSTEMIC LESIONS                          |                                                                          |             
                                            __________________________________________________________________________|             
   Multiple Organs                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Leukemia                             |                X                                                         |             
      Lymphoma Malignant Lymphocytic       |                            X                             X               |             
      Lymphoma Malignant Mixed             |                      X                             X  X                  |             
      Mesothelioma Malignant               |                         X                                                |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  19                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|                                            |            |
                                           | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6|                                            |     A      |
    175MG/KG                               | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|                                            |     L      |
    LOW FEM                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Esophagus                               |                                                                          |  13        |
                                            __________________________________________________________________________|____________|
   Gallbladder                             |                                                                          |   8        |
                                            __________________________________________________________________________|____________|
   Intestine Large                         |                                                                          |  13        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  |                                                                          |  10        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  |                                                                          |  13        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 |                                                                          |  11        |
                                            __________________________________________________________________________|____________|
   Intestine Small                         |                                                                          |  12        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               |                                                                          |   2        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  |                                                                          |   9        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                |                                                                          |  12        |
                                            __________________________________________________________________________|____________|
   Liver                                   |                                                                          |  50        |
      Hepatocellular Carcinoma             |                                                                          |          2 |
      Hepatocellular Adenoma               |                                                                          |          2 |
      Hepatocellular Adenoma, Multiple     |                                                                          |          1 |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          4 |
                                            __________________________________________________________________________|____________|
   Mesentery                               |                                                                          |   9        |
      Hemangiosarcoma, Metastatic,         |                                                                          |            |
          Skeletal Muscle                  |                                                                          |          1 |
      Mesothelioma Malignant               |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Pancreas                                |                                                                          |  13        |
      Fibrosarcoma, Metastatic, Skin       |                                                                          |          1 |
      Lymphoma Malignant Lymphocytic       |                                                                          |          2 |
                                            __________________________________________________________________________|____________|
   Salivary Glands                         |                                                                          |  13        |
      Mast Cell Tumor Malignant,           |                                                                          |            |
          Metastatic, Spleen               |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Stomach                                 |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Tooth                                   |                                                                          |  13        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Heart                                   |                                                                          |  13        |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Adrenal Gland                           |                                                                          |  12        |
                                            __________________________________________________________________________|____________|
   Adrenal Gland, Cortex                   |                                                                          |  12        |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Adrenal Gland, Medulla                  |                                                                          |  12        |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  20                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|                                            |            |
                                           | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6|                                            |     A      |
    175MG/KG                               | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|                                            |     L      |
    LOW FEM                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      |                                                                          |  12        |
                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       |                                                                          |  11        |
                                            __________________________________________________________________________|____________|
   Pituitary Gland                         |                                                                          |  14        |
      Pars Distalis, Adenoma               |                                                                          |          3 |
                                            __________________________________________________________________________|____________|
   Thyroid Gland                           |                                                                          |  12        |
      Follicular Cell, Adenoma             |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Ovary                                   |                                                                          |  16        |
      Cystadenoma                          |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
      Periovarian Tissue, Mesothelioma     |                                                                          |            |
          Malignant                        |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Uterus                                  |                                                                          |  43        |
      Deciduoma Benign                     |                                                                          |          1 |
      Lymphoma Malignant Lymphocytic       |                                                                          |          2 |
      Endometrium, Polyp Stromal           |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone Marrow                             |                                                                          |  13        |
                                            __________________________________________________________________________|____________|
   Lymph Node                              |                                                                          |  17        |
      Inguinal, Lymphoma Malignant Mixed   |                                                                          |          1 |
      Mediastinal, Lymphoma Malignant Mixed|                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  |                                                                          |  12        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          2 |
                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  |                                                                          |  16        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          4 |
      Mast Cell Tumor Malignant,           |                                                                          |            |
          Metastatic, Spleen               |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Spleen                                  |                                                                          |  20        |
      Hemangiosarcoma                      |                                                                          |          1 |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          4 |
      Mast Cell Tumor Malignant            |                                                                          |          1 |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  21                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|                                            |            |
                                           | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6|                                            |     A      |
    175MG/KG                               | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|                                            |     L      |
    LOW FEM                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Thymus                                  |                                                                          |   8        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Mammary Gland                           |                                                                          |  33        |
                                            __________________________________________________________________________|____________|
   Skin                                    |                                                                          |  48        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
      Mast Cell Tumor Malignant,           |                                                                          |            |
          Metastatic, Spleen               |                                                                          |          1 |
      Trichoepithelioma                    |                                                                          |          1 |
      Subcutaneous Tissue, Fibrosarcoma    |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone                                    |                                                                          |  13        |
                                            __________________________________________________________________________|____________|
   Skeletal Muscle                         |                                                                          |  14        |
      Hemangiosarcoma                      |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Brain                                   |                                                                          |  13        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Lung                                    |                                                                          |  50        |
      Alveolar/Bronchiolar Adenoma         |                                                                          |          2 |
      Fibrosarcoma, Metastatic, Skin       |                                                                          |          1 |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
      Mediastinum, Lymphoma Malignant      |                                                                          |            |
          Lymphocytic                      |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Nose                                    |                                                                          |  14        |
      Leukemia                             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Trachea                                 |                                                                          |  12        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Eye                                     |                                                                          |   1        |
                                            __________________________________________________________________________|____________|
   Harderian Gland                         |                                                                          |  49        |
      Adenoma                              |                                                                          |          6 |
      Adenoma, Multiple                    |                                                                          |          1 |
      Carcinoma                            |                                                                          |          1 |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  22                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|                                            |            |
                                           | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6|                                            |     A      |
    175MG/KG                               | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|                                            |     L      |
    LOW FEM                                | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 SPECIAL SENSES SYSTEM - cont              |                                                                          |            |
                                           |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Kidney                                  |                                                                          |  49        |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
      Renal Tubule, Adenoma                |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Urinary Bladder                         |                                                                          |  12        |
      Lymphoma Malignant Lymphocytic       |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
 __________________________________________________________________________________________________________________________________ 
 SYSTEMIC LESIONS                          |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Multiple Organs                         |                                                                          |  50        |
      Leukemia                             |                                                                          |          1 |
      Lymphoma Malignant Lymphocytic       |                                                                          |          2 |
      Lymphoma Malignant Mixed             |                                                                          |          5 |
      Mesothelioma Malignant               |                                                                          |          1 |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  23                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 4| 4| 7| 7| 6| 6| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 8| 8| 3| 3| 9| 7| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 9|             
                                           | 1| 1| 1| 9| 2| 1| 1| 8| 6| 2| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 4| 1| 1| 1| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    350MG/KG                               | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
     HIGHFEM                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  M  +  M  A  +  +  +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Mixed             |                X                                                         |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small                         | +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | M  +  M  M  A  +  M  M  M  A  M  +  M  M  M  M  M  M  M  M  A  M  M  M  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  A  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hepatocellular Carcinoma             |                                                             X            |             
      Hepatocellular Adenoma               |                                  X  X           X                        |             
      Hepatocellular Adenoma, Multiple     |                                                                         X|             
      Histiocytic Sarcoma                  |                                                                          |             
      Lymphoma Malignant Mixed             |       X        X                                                         |             
                                            __________________________________________________________________________|             
   Mesentery                               |                      +                          +                        |             
      Fibrosarcoma, Metastatic, Skin       |                                                                          |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  I  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                                                                          |             
      Lymphoma Malignant Mixed             |                X                                                         |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Mixed             |                X                                                         |             
                                            __________________________________________________________________________|             
   Stomach                                 | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Squamous Cell Papilloma              |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Tooth                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +|             
      Pheochromocytoma Benign              |                   X                                                      |             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  I  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  M  M  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  M  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M|             
      Pars Distalis, Adenoma               |                                                                          |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page  24                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 4| 4| 7| 7| 6| 6| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 8| 8| 3| 3| 9| 7| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 9|             
                                           | 1| 1| 1| 9| 2| 1| 1| 8| 6| 2| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 4| 1| 1| 1| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    350MG/KG                               | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
     HIGHFEM                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ovary                                   | +  M  +  +  +  M  +  +  M  +  M  M  +  +  +  +  M  +  +  +  +  M  M  M  +|             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                                                                      X   |             
      Cervix, Hemangiosarcoma              |                                                                          |             
      Endometrium, Adenocarcinoma          |                                                                          |             
      Endometrium, Polyp Stromal           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                                                                          |             
      Mast Cell Tumor Malignant            |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fibrosarcoma, Metastatic, Ear        |             X                                                            |             
      Lymphoma Malignant Mixed             |                X                                                         |             
      Mast Cell Tumor Malignant            |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | M  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                                                                          |             
      Lymphoma Malignant Mixed             |       X        X                                                         |             
                                            __________________________________________________________________________|             
   Spleen                                  | M  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fibrosarcoma, Metastatic, Skin       |                                                                          |             
      Histiocytic Sarcoma                  |                                                                          |             
      Lymphoma Malignant Mixed             |                X                                                         |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  +  M  +  +  M  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  M  +  +|             
      Lymphoma Malignant Mixed             |                X                                                         |             
      Mast Cell Tumor Malignant            |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  M  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Adenocarcinoma                       |                      X                             X                     |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Subcutaneous Tissue, Fibrosarcoma    |                                           X                              |             
      Subcutaneous Tissue, Fibrosarcoma,   |                                                                          |             
           Multiple                        |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page  25                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 4| 4| 7| 7| 6| 6| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6|             
                             DAY ON TEST   | 3| 3| 3| 8| 8| 3| 3| 9| 7| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 9|             
                                           | 1| 1| 1| 9| 2| 1| 1| 8| 6| 2| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 4| 1| 1| 1| 6|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|             
    350MG/KG                               | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
     HIGHFEM                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Alveolar/Bronchiolar Adenoma         |                                  X           X  X                        |             
      Fibrosarcoma, Metastatic, Skin       |                                                                          |             
      Hepatocellular Carcinoma, Metastatic,|                                                                          |             
           Liver                           |                                                             X            |             
      Histiocytic Sarcoma                  |                                                                          |             
      Lymphoma Malignant Mixed             |                X                                                         |             
      Squamous Cell Carcinoma, Metastatic, |                                                                          |             
           Ear                             |                                                                          |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ear                                     |             +                                                            |             
      Fibrosarcoma                         |                                                                          |             
      Squamous Cell Carcinoma              |                                                                          |             
      Pinna, Fibrosarcoma                  |             X                                                            |             
                                            __________________________________________________________________________|             
   Eye                                     |          +                                                               |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Adenoma                              |    X                          X        X                          X      |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                                                                          |             
      Lymphoma Malignant Mixed             |       X        X                                                         |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SYSTEMIC LESIONS                          |                                                                          |             
                                            __________________________________________________________________________|             
   Multiple Organs                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                                                                      X   |             
      Lymphoma Malignant Mixed             |       X        X                                                         |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  26                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 5| 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6|             
                             DAY ON TEST   | 3| 3| 3| 8| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 1| 2| 3| 3| 3| 7| 7|             
                                           | 1| 1| 1| 3| 9| 1| 1| 1| 1| 7| 1| 1| 1| 1| 6| 1| 1| 1| 9| 7| 1| 1| 1| 6| 0|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7|             
    350MG/KG                               | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|             
     HIGHFEM                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
      Histiocytic Sarcoma                  |                   X                                                      |             
                                            __________________________________________________________________________|             
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  M  +  +  M  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small                         | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | M  M  M  A  A  M  M  M  M  M  M  M  M  +  M  M  M  M  M  M  +  +  M  A  M|             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +|             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hepatocellular Carcinoma             | X        X                                                               |             
      Hepatocellular Adenoma               |                                                    X                     |             
      Hepatocellular Adenoma, Multiple     |                                                                          |             
      Histiocytic Sarcoma                  |                   X                                                      |             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Mesentery                               |                                     +  +        +  +     +     +     +   |             
      Fibrosarcoma, Metastatic, Skin       |                                                          X               |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                   X                                                      |             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach                                 | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Squamous Cell Papilloma              |                   X                                                      |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  A  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Tooth                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Pheochromocytoma Benign              |                                                                          |             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  M  +  +  +  M  +  M  +  M  +  +  +  +  +  +  +  M  +  +  +  +  M  +  +|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  M  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|             
      Pars Distalis, Adenoma               |                                        X                                 |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page  27                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 5| 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6|             
                             DAY ON TEST   | 3| 3| 3| 8| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 1| 2| 3| 3| 3| 7| 7|             
                                           | 1| 1| 1| 3| 9| 1| 1| 1| 1| 7| 1| 1| 1| 1| 6| 1| 1| 1| 9| 7| 1| 1| 1| 6| 0|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7|             
    350MG/KG                               | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|             
     HIGHFEM                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ovary                                   | M  +  +  M  +  +  +  +  +  M  M  +  +  +  +  +  +  +  +  +  +  +  M  +  M|             
                                            __________________________________________________________________________|             
   Uterus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                                                                          |             
      Cervix, Hemangiosarcoma              |                                                                   X      |             
      Endometrium, Adenocarcinoma          |                                              X                           |             
      Endometrium, Polyp Stromal           |             X                                      X  X                  |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                   X                                                      |             
      Mast Cell Tumor Malignant            |                            X                                             |             
                                            __________________________________________________________________________|             
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +|             
      Fibrosarcoma, Metastatic, Ear        |                                                                          |             
      Lymphoma Malignant Mixed             |                                                                          |             
      Mast Cell Tumor Malignant            |                            X                                             |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                   X                                                      |             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fibrosarcoma, Metastatic, Skin       |                                                          X               |             
      Histiocytic Sarcoma                  |                   X                                                      |             
      Lymphoma Malignant Mixed             |                                     X                                    |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  M  +  M  +  +  M  +  +  +  +  +  M  +  M  +  +  +  M  +  +  +  +  +  +|             
      Lymphoma Malignant Mixed             |                                                                          |             
      Mast Cell Tumor Malignant            |                            X                                             |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  M  +  +  +  +  +|             
      Adenocarcinoma                       |                         X                                                |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Subcutaneous Tissue, Fibrosarcoma    |                                                          X               |             
      Subcutaneous Tissue, Fibrosarcoma,   |                                                                          |             
           Multiple                        |                                           X                              |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page  28                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 5| 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6|             
                             DAY ON TEST   | 3| 3| 3| 8| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 1| 2| 3| 3| 3| 7| 7|             
                                           | 1| 1| 1| 3| 9| 1| 1| 1| 1| 7| 1| 1| 1| 1| 6| 1| 1| 1| 9| 7| 1| 1| 1| 6| 0|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7|             
    350MG/KG                               | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|             
     HIGHFEM                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Alveolar/Bronchiolar Adenoma         |    X                             X                                       |             
      Fibrosarcoma, Metastatic, Skin       |                                                          X               |             
      Hepatocellular Carcinoma, Metastatic,|                                                                          |             
           Liver                           |                                                                          |             
      Histiocytic Sarcoma                  |                   X                                                      |             
      Lymphoma Malignant Mixed             |                                                                          |             
      Squamous Cell Carcinoma, Metastatic, |                                                                          |             
           Ear                             |                                                                         X|             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ear                                     |                                                                      +  +|             
      Fibrosarcoma                         |                                                                      X   |             
      Squamous Cell Carcinoma              |                                                                         X|             
      Pinna, Fibrosarcoma                  |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |             +              +                                             |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Adenoma                              |                X                                   X                 X   |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                   X                                                      |             
      Lymphoma Malignant Mixed             |                                     X                                    |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SYSTEMIC LESIONS                          |                                                                          |             
                                            __________________________________________________________________________|             
   Multiple Organs                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                   X                                                      |             
      Lymphoma Malignant Mixed             |                                     X                                    |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  29                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|                                            |            |
                                           | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                                            |     A      |
    350MG/KG                               | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|                                            |     L      |
     HIGHFEM                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Esophagus                               |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Gallbladder                             |                                                                          |  43        |
      Histiocytic Sarcoma                  |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Intestine Large                         |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  |                                                                          |  49        |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 |                                                                          |  47        |
                                            __________________________________________________________________________|____________|
   Intestine Small                         |                                                                          |  46        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               |                                                                          |   7        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  |                                                                          |  46        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                |                                                                          |  46        |
                                            __________________________________________________________________________|____________|
   Liver                                   |                                                                          |  50        |
      Hepatocellular Carcinoma             |                                                                          |          3 |
      Hepatocellular Adenoma               |                                                                          |          4 |
      Hepatocellular Adenoma, Multiple     |                                                                          |          1 |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          2 |
                                            __________________________________________________________________________|____________|
   Mesentery                               |                                                                          |   9        |
      Fibrosarcoma, Metastatic, Skin       |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Pancreas                                |                                                                          |  48        |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Salivary Glands                         |                                                                          |  48        |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Stomach                                 |                                                                          |  48        |
                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    |                                                                          |  48        |
      Squamous Cell Papilloma              |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      |                                                                          |  47        |
                                            __________________________________________________________________________|____________|
   Tooth                                   |                                                                          |  50        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Heart                                   |                                                                          |  49        |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Adrenal Gland                           |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Adrenal Gland, Cortex                   |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Adrenal Gland, Medulla                  |                                                                          |  48        |
      Pheochromocytoma Benign              |                                                                          |          1 |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  30                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|                                            |            |
                                           | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                                            |     A      |
    350MG/KG                               | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|                                            |     L      |
     HIGHFEM                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      |                                                                          |  48        |
                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       |                                                                          |  41        |
                                            __________________________________________________________________________|____________|
   Pituitary Gland                         |                                                                          |  44        |
      Pars Distalis, Adenoma               |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Thyroid Gland                           |                                                                          |  49        |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Ovary                                   |                                                                          |  35        |
                                            __________________________________________________________________________|____________|
   Uterus                                  |                                                                          |  50        |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Cervix, Hemangiosarcoma              |                                                                          |          1 |
      Endometrium, Adenocarcinoma          |                                                                          |          1 |
      Endometrium, Polyp Stromal           |                                                                          |          3 |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone Marrow                             |                                                                          |  50        |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Mast Cell Tumor Malignant            |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Lymph Node                              |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  |                                                                          |  47        |
      Fibrosarcoma, Metastatic, Ear        |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
      Mast Cell Tumor Malignant            |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  |                                                                          |  48        |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          2 |
                                            __________________________________________________________________________|____________|
   Spleen                                  |                                                                          |  48        |
      Fibrosarcoma, Metastatic, Skin       |                                                                          |          1 |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          2 |
                                            __________________________________________________________________________|____________|
   Thymus                                  |                                                                          |  40        |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
      Mast Cell Tumor Malignant            |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Mammary Gland                           |                                                                          |  45        |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  31                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|                                            |            |
                                           | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                                            |     A      |
    350MG/KG                               | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|                                            |     L      |
     HIGHFEM                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 INTEGUMENTARY SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |
      Adenocarcinoma                       |                                                                          |          3 |
                                            __________________________________________________________________________|____________|
   Skin                                    |                                                                          |  50        |
      Subcutaneous Tissue, Fibrosarcoma    |                                                                          |          2 |
      Subcutaneous Tissue, Fibrosarcoma,   |                                                                          |            |
           Multiple                        |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone                                    |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Skeletal Muscle                         |                                                                          |  50        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Brain                                   |                                                                          |  49        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Lung                                    |                                                                          |  49        |
      Alveolar/Bronchiolar Adenoma         |                                                                          |          5 |
      Fibrosarcoma, Metastatic, Skin       |                                                                          |          1 |
      Hepatocellular Carcinoma, Metastatic,|                                                                          |            |
           Liver                           |                                                                          |          1 |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
      Squamous Cell Carcinoma, Metastatic, |                                                                          |            |
           Ear                             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Nose                                    |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Trachea                                 |                                                                          |  50        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Ear                                     |                                                                          |   3        |
      Fibrosarcoma                         |                                                                          |          1 |
      Squamous Cell Carcinoma              |                                                                          |          1 |
      Pinna, Fibrosarcoma                  |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Eye                                     |                                                                          |   3        |
                                            __________________________________________________________________________|____________|
   Harderian Gland                         |                                                                          |  49        |
      Adenoma                              |                                                                          |          7 |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Kidney                                  |                                                                          |  50        |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          3 |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  32                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|                                            |            |
                                           | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                                            |     A      |
    350MG/KG                               | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|                                            |     L      |
     HIGHFEM                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
   Urinary Bladder                         |                                                                          |  49        |
 __________________________________________________________________________________________________________________________________ 
 SYSTEMIC LESIONS                          |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Multiple Organs                         |                                                                          |  50        |
      Histiocytic Sarcoma                  |                                                                          |          2 |
      Lymphoma Malignant Mixed             |                                                                          |          3 |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  33                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 6| 6| 7| 7| 6| 6| 2| 7| 7| 7| 7| 6| 7| 7| 7| 4| 4| 7| 6| 6| 2| 2|             
                             DAY ON TEST   | 2| 2| 2| 9| 6| 1| 1| 8| 5| 5| 2| 2| 2| 2| 7| 2| 2| 2| 8| 5| 2| 8| 5| 9| 9|             
                                           | 9| 9| 9| 7| 5| 5| 4| 8| 4| 0| 9| 9| 9| 9| 5| 9| 9| 9| 5| 1| 9| 1| 6| 8| 8|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
    CONTROL                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    MALE                                   | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | +  +  +  +  +  +  M  +  +  +  +  +  +  +  A  M  +  +  A  +  +  +  +  +  M|             
                                            __________________________________________________________________________|             
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +     +  +  +  +  M  +  M  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  A  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | M  M  +  M  M  +  A  M  M  M  M  M  +  M  M  +  +  M  A  M  M  +  +  M  A|             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  A  +  +  +  +  +  +  +  M  +  +  +  A  +  +  A  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +  A|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemangiosarcoma                      |                               X                                          |             
      Hemangiosarcoma, Metastatic          |                                                                          |             
      Hemangiosarcoma, Metastatic, Spleen  |                                                                          |             
      Hepatocellular Carcinoma             |                      X                                                   |             
      Hepatocellular Carcinoma, Multiple   |                                                                          |             
      Hepatocellular Adenoma               |          X     X  X                    X                    X            |             
      Hepatocellular Adenoma, Multiple     |    X                                X     X                              |             
      Histiocytic Sarcoma                  |                X                                                         |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
      Sarcoma, Metastatic, Spleen          |          X                                                               |             
                                            __________________________________________________________________________|             
   Mesentery                               | +        +  +                       +  +     +              +  +         |             
      Lipoma                               |                                              X                           |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
                                            __________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
                                            __________________________________________________________________________|             
   Tooth                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page  34                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 6| 6| 7| 7| 6| 6| 2| 7| 7| 7| 7| 6| 7| 7| 7| 4| 4| 7| 6| 6| 2| 2|             
                             DAY ON TEST   | 2| 2| 2| 9| 6| 1| 1| 8| 5| 5| 2| 2| 2| 2| 7| 2| 2| 2| 8| 5| 2| 8| 5| 9| 9|             
                                           | 9| 9| 9| 7| 5| 5| 4| 8| 4| 0| 9| 9| 9| 9| 5| 9| 9| 9| 5| 1| 9| 1| 6| 8| 8|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
    CONTROL                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    MALE                                   | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Carcinoma, Metastatic, Uncertain     |                                                                          |             
          Primary Site                     |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland                           | +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +|             
                                            __________________________________________________________________________|             
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  M  M  +  +  +|             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  +  +  +  +  +  M  M  +  +  +  +  +  +  +  M  +  M  M  M  +  +  +|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Epididymis                              | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Preputial Gland                         |                                                                +         |             
                                            __________________________________________________________________________|             
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M|             
                                            __________________________________________________________________________|             
   Seminal Vesicle                         |    +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
                                            __________________________________________________________________________|             
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
      Interstitial Cell, Adenoma           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemangiosarcoma, Metastatic          |                                                                X         |             
      Hemangiosarcoma, Metastatic, Spleen  |                                                                          |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
                                            __________________________________________________________________________|             
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Mixed             |                                                                          |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  35                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 6| 6| 7| 7| 6| 6| 2| 7| 7| 7| 7| 6| 7| 7| 7| 4| 4| 7| 6| 6| 2| 2|             
                             DAY ON TEST   | 2| 2| 2| 9| 6| 1| 1| 8| 5| 5| 2| 2| 2| 2| 7| 2| 2| 2| 8| 5| 2| 8| 5| 9| 9|             
                                           | 9| 9| 9| 7| 5| 5| 4| 8| 4| 0| 9| 9| 9| 9| 5| 9| 9| 9| 5| 1| 9| 1| 6| 8| 8|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
    CONTROL                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    MALE                                   | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
          Cell Type                        |                   X                                                      |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                X                                                         |             
      Lymphoma Malignant Mixed             |                         X                                                |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemangiosarcoma                      |                                                                X  X      |             
      Histiocytic Sarcoma                  |                X                                                         |             
      Lymphoma Malignant Mixed             |                         X                                                |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
      Sarcoma                              |          X                                                               |             
                                            __________________________________________________________________________|             
   Thymus                                  | M  M  +  +  +  M  +  M  +  +  M  +  +  M  +  +  M  M  +  +  +  +  +  +  M|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | M  M  M  M  M  M  M  M  M  M  M  M  +  M  M  +  M  M  M  M  +  M  M  M  +|             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
      Subcutaneous Tissue, Fibrosarcoma    |                                                 X                        |             
      Subcutaneous Tissue, Sarcoma         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Alveolar/Bronchiolar Adenoma         | X                                                           X            |             
      Alveolar/Bronchiolar Carcinoma       |                                        X                                 |             
      Carcinoma, Metastatic, Uncertain     |                                                                          |             
          Primary Site                     |                                                                          |             
      Hepatocellular Carcinoma, Metastatic,|                                                                          |             
           Liver                           |                      X                                                   |             
      Histiocytic Sarcoma                  |                X                                                         |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page  36                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 6| 6| 7| 7| 6| 6| 2| 7| 7| 7| 7| 6| 7| 7| 7| 4| 4| 7| 6| 6| 2| 2|             
                             DAY ON TEST   | 2| 2| 2| 9| 6| 1| 1| 8| 5| 5| 2| 2| 2| 2| 7| 2| 2| 2| 8| 5| 2| 8| 5| 9| 9|             
                                           | 9| 9| 9| 7| 5| 5| 4| 8| 4| 0| 9| 9| 9| 9| 5| 9| 9| 9| 5| 1| 9| 1| 6| 8| 8|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
    CONTROL                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5|             
    MALE                                   | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM - cont                 |                                                                          |             
                                           |                                                                          |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ear                                     |                                        +                                 |             
                                            __________________________________________________________________________|             
   Eye                                     |          +                 +                             +           +  +|             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +|             
      Adenoma                              |          X                          X                          X         |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
      Bilateral, Adenoma                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Carcinoma, Metastatic, Uncertain     |                                                                          |             
          Primary Site                     |                                                                          |             
      Hemangiosarcoma                      |                                                                          |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
      Renal Tubule, Adenoma                |                                                                          |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
 _____________________________________________________________________________________________________________________|             
 SYSTEMIC LESIONS                          |                                                                          |             
                                            __________________________________________________________________________|             
   Multiple Organs                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                X                                                         |             
      Lymphoma Malignant Mixed             |                         X                                                |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                   X                                                      |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  37                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 6| 6| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 6| 7| 6| 6| 6| 0|             
                             DAY ON TEST   | 2| 2| 2| 2| 7| 2| 2| 3| 3| 2| 2| 2| 2| 9| 2| 2| 2| 2| 2| 7| 2| 9| 7| 3| 2|             
                                           | 9| 9| 9| 9| 0| 9| 9| 8| 6| 0| 9| 9| 9| 0| 6| 9| 9| 9| 9| 5| 9| 4| 4| 2| 3|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|             
    CONTROL                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|             
    MALE                                   | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | M  +  +  +  +  +  +  A  A  A  +  +  +  +  +  +  M  +  +  +  +  M  +  M  +|             
                                            __________________________________________________________________________|             
   Intestine Large                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                X         |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  M  M  M  +  M  +  M  A  M  +  +  +  M  M  M  M  M  M  +  M  M  +  +  A|             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  A  A|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  A|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                X         |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemangiosarcoma                      |             X                                                            |             
      Hemangiosarcoma, Metastatic          |                                                                      X   |             
      Hemangiosarcoma, Metastatic, Spleen  |                                                                      X   |             
      Hepatocellular Carcinoma             |             X           X  X           X     X           X               |             
      Hepatocellular Carcinoma, Multiple   |                               X           X                          X   |             
      Hepatocellular Adenoma               |    X  X                          X     X     X           X  X            |             
      Hepatocellular Adenoma, Multiple     | X              X        X           X                             X      |             
      Histiocytic Sarcoma                  |                                                                          |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                X         |             
      Sarcoma, Metastatic, Spleen          |                                                                          |             
                                            __________________________________________________________________________|             
   Mesentery                               |                                        +                                 |             
      Lipoma                               |                                                                          |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
                                            __________________________________________________________________________|             
   Tooth                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page  38                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 6| 6| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 6| 7| 6| 6| 6| 0|             
                             DAY ON TEST   | 2| 2| 2| 2| 7| 2| 2| 3| 3| 2| 2| 2| 2| 9| 2| 2| 2| 2| 2| 7| 2| 9| 7| 3| 2|             
                                           | 9| 9| 9| 9| 0| 9| 9| 8| 6| 0| 9| 9| 9| 0| 6| 9| 9| 9| 9| 5| 9| 4| 4| 2| 3|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|             
    CONTROL                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|             
    MALE                                   | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM - cont                  |                                                                          |             
                                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Carcinoma, Metastatic, Uncertain     |                                                                          |             
          Primary Site                     |                            X                                             |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                X         |             
                                            __________________________________________________________________________|             
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +|             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | M  +  +  M  M  M  +  M  +  +  +  M  +  +  +  +  +  +  +  +  +  +  M  M  +|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  M  M  +  +  +  +  +  +  +  +  M  +  +  M  +  +  +|             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Epididymis                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Preputial Gland                         |    +  +     +                                            +  +     +      |             
                                            __________________________________________________________________________|             
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Seminal Vesicle                         |    +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
                                            __________________________________________________________________________|             
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
      Interstitial Cell, Adenoma           |    X                                                           X         |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemangiosarcoma, Metastatic          |                                                                      X   |             
      Hemangiosarcoma, Metastatic, Spleen  |                                                                      X   |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  M  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  M|             
      Lymphoma Malignant Mixed             |                                              X                           |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  39                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 6| 6| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 6| 7| 6| 6| 6| 0|             
                             DAY ON TEST   | 2| 2| 2| 2| 7| 2| 2| 3| 3| 2| 2| 2| 2| 9| 2| 2| 2| 2| 2| 7| 2| 9| 7| 3| 2|             
                                           | 9| 9| 9| 9| 0| 9| 9| 8| 6| 0| 9| 9| 9| 0| 6| 9| 9| 9| 9| 5| 9| 4| 4| 2| 3|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|             
    CONTROL                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|             
    MALE                                   | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
          Cell Type                        |                                                                X         |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                                                                          |             
      Lymphoma Malignant Mixed             |                                              X                           |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                X         |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemangiosarcoma                      |                                                                      X   |             
      Histiocytic Sarcoma                  |                                                                          |             
      Lymphoma Malignant Mixed             |                                              X                           |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                X         |             
      Sarcoma                              |                                                                          |             
                                            __________________________________________________________________________|             
   Thymus                                  | M  M  M  M  M  M  +  +  M  M  +  +  +  M  +  +  +  +  M  +  M  +  +  M  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                X         |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  M  M  M  +  M  +  M  M  M  M  M  +  M  M  M  M  M  M  M  M  +  M  M  M|             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
      Subcutaneous Tissue, Fibrosarcoma    |                                                                          |             
      Subcutaneous Tissue, Sarcoma         |                                                 X                        |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Alveolar/Bronchiolar Adenoma         |          X                       X  X        X        X                  |             
      Alveolar/Bronchiolar Carcinoma       |                         X                          X                     |             
      Carcinoma, Metastatic, Uncertain     |                                                                          |             
          Primary Site                     |                            X                                             |             
      Hepatocellular Carcinoma, Metastatic,|                                                                          |             
           Liver                           |                                           X                              |             
      Histiocytic Sarcoma                  |                                                                          |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page  40                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 6| 6| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| 6| 7| 6| 6| 6| 0|             
                             DAY ON TEST   | 2| 2| 2| 2| 7| 2| 2| 3| 3| 2| 2| 2| 2| 9| 2| 2| 2| 2| 2| 7| 2| 9| 7| 3| 2|             
                                           | 9| 9| 9| 9| 0| 9| 9| 8| 6| 0| 9| 9| 9| 0| 6| 9| 9| 9| 9| 5| 9| 4| 4| 2| 3|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1|             
    CONTROL                                | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0|             
    MALE                                   | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM - cont                 |                                                                          |             
                                           |                                                                          |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ear                                     |                                     +                                    |             
                                            __________________________________________________________________________|             
   Eye                                     |                                                                         +|             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Adenoma                              |                                                    X           X         |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
      Bilateral, Adenoma                   |                                     X                                    |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Carcinoma, Metastatic, Uncertain     |                                                                          |             
          Primary Site                     |                            X                                             |             
      Hemangiosarcoma                      |                                                    X                     |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                X         |             
      Renal Tubule, Adenoma                |                               X                                          |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 SYSTEMIC LESIONS                          |                                                                          |             
                                            __________________________________________________________________________|             
   Multiple Organs                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Histiocytic Sarcoma                  |                                                                          |             
      Lymphoma Malignant Mixed             |                                              X                           |             
      Lymphoma Malignant Undifferentiated  |                                                                          |             
          Cell Type                        |                                                                X         |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  41                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 2| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 4| 9| 5| 5| 5| 5| 5|                                            |            |
                                           | 8| 8| 8| 2| 7| 8| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |     A      |
    CONTROL                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|                                            |     L      |
    MALE                                   | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Esophagus                               |                                                                          |  48        |
                                            __________________________________________________________________________|____________|
   Gallbladder                             |                                                                          |  38        |
                                            __________________________________________________________________________|____________|
   Intestine Large                         |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  |                                                                          |  47        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  |                                                                          |  49        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 |                                                                          |  48        |
                                            __________________________________________________________________________|____________|
   Intestine Small                         |                                                                          |  48        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               |                                                                          |  16        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  |                                                                          |  43        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                |                                                                          |  45        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Liver                                   |                                                                          |  50        |
      Hemangiosarcoma                      |                                                                          |          2 |
      Hemangiosarcoma, Metastatic          |                                                                          |          1 |
      Hemangiosarcoma, Metastatic, Spleen  |                                                                          |          1 |
      Hepatocellular Carcinoma             |                                                                          |          7 |
      Hepatocellular Carcinoma, Multiple   |                                                                          |          3 |
      Hepatocellular Adenoma               |                                                                          |         12 |
      Hepatocellular Adenoma, Multiple     |                                                                          |          8 |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          2 |
      Sarcoma, Metastatic, Spleen          |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Mesentery                               |                                                                          |   9        |
      Lipoma                               |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Pancreas                                |                                                                          |  49        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Salivary Glands                         |                                                                          |  49        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Stomach                                 |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    |                                                                          |  49        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  42                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 2| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 4| 9| 5| 5| 5| 5| 5|                                            |            |
                                           | 8| 8| 8| 2| 7| 8| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |     A      |
    CONTROL                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|                                            |     L      |
    MALE                                   | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
                                           |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      |                                                                          |  50        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Tooth                                   |                                                                          |  50        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Heart                                   |                                                                          |  50        |
      Carcinoma, Metastatic, Uncertain     |                                                                          |            |
          Primary Site                     |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Adrenal Gland                           |                                                                          |  48        |
                                            __________________________________________________________________________|____________|
   Adrenal Gland, Cortex                   |                                                                          |  48        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Adrenal Gland, Medulla                  |                                                                          |  46        |
                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       |                                                                          |  36        |
                                            __________________________________________________________________________|____________|
   Pituitary Gland                         |                                                                          |  45        |
                                            __________________________________________________________________________|____________|
   Thyroid Gland                           |                                                                          |  49        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Epididymis                              |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Preputial Gland                         |                                                                          |   7        |
                                            __________________________________________________________________________|____________|
   Prostate                                |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Seminal Vesicle                         |                                                                          |  48        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Testes                                  |                                                                          |  50        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
      Interstitial Cell, Adenoma           |                                                                          |          2 |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  43                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 2| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 4| 9| 5| 5| 5| 5| 5|                                            |            |
                                           | 8| 8| 8| 2| 7| 8| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |     A      |
    CONTROL                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|                                            |     L      |
    MALE                                   | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone Marrow                             |                                                                          |  50        |
      Hemangiosarcoma, Metastatic          |                                                                          |          2 |
      Hemangiosarcoma, Metastatic, Spleen  |                                                                          |          1 |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Lymph Node                              |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  |                                                                          |  46        |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          2 |
                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  |                                                                          |  48        |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          2 |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          2 |
                                            __________________________________________________________________________|____________|
   Spleen                                  |                                                                          |  50        |
      Hemangiosarcoma                      |                                                                          |          3 |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          2 |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          2 |
      Sarcoma                              |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Thymus                                  |                                                                          |  29        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          2 |
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Mammary Gland                           |                                                                          |   9        |
                                            __________________________________________________________________________|____________|
   Skin                                    |                                                                          |  50        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
      Subcutaneous Tissue, Fibrosarcoma    |                                                                          |          1 |
      Subcutaneous Tissue, Sarcoma         |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone                                    |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Skeletal Muscle                         |                                                                          |  50        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  44                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 2| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 4| 9| 5| 5| 5| 5| 5|                                            |            |
                                           | 8| 8| 8| 2| 7| 8| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |     A      |
    CONTROL                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|                                            |     L      |
    MALE                                   | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 NERVOUS SYSTEM - cont                     |                                                                          |            |
                                           |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Brain                                   |                                                                          |  50        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Lung                                    |                                                                          |  50        |
      Alveolar/Bronchiolar Adenoma         |                                                                          |          7 |
      Alveolar/Bronchiolar Carcinoma       |                                                                          |          3 |
      Carcinoma, Metastatic, Uncertain     |                                                                          |            |
          Primary Site                     |                                                                          |          1 |
      Hepatocellular Carcinoma, Metastatic,|                                                                          |            |
           Liver                           |                                                                          |          2 |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Nose                                    |                                                                          |  50        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Trachea                                 |                                                                          |  49        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Ear                                     |                                                                          |   2        |
                                            __________________________________________________________________________|____________|
   Eye                                     |                                                                          |   6        |
                                            __________________________________________________________________________|____________|
   Harderian Gland                         |                                                                          |  48        |
      Adenoma                              |                                                                          |          5 |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
      Bilateral, Adenoma                   |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Kidney                                  |                                                                          |  50        |
      Carcinoma, Metastatic, Uncertain     |                                                                          |            |
          Primary Site                     |                                                                          |          1 |
      Hemangiosarcoma                      |                                                                          |          1 |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          2 |
      Renal Tubule, Adenoma                |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Urinary Bladder                         |                                                                          |  50        |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          1 |
 __________________________________________________________________________________________________________________________________ 
 SYSTEMIC LESIONS                          |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Multiple Organs                         |                                                                          |  50        |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  45                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 2| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 4| 9| 5| 5| 5| 5| 5|                                            |            |
                                           | 8| 8| 8| 2| 7| 8| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |     A      |
    CONTROL                                | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|                                            |     L      |
    MALE                                   | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 SYSTEMIC LESIONS - cont                   |                                                                          |            |
                                           |                                                                          |            |
      Histiocytic Sarcoma                  |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          2 |
      Lymphoma Malignant Undifferentiated  |                                                                          |            |
          Cell Type                        |                                                                          |          2 |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  46                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 6| 2| 7| 6| 6| 6| 4| 7| 7| 7| 6| 6| 7| 7| 7| 6| 3|             
                             DAY ON TEST   | 2| 2| 2| 2| 2| 3| 3| 3| 9| 9| 3| 6| 5| 3| 8| 3| 3| 3| 6| 2| 3| 3| 3| 2| 8|             
                                           | 9| 9| 9| 9| 3| 0| 0| 0| 4| 7| 0| 3| 3| 8| 0| 0| 0| 0| 3| 6| 0| 0| 0| 0| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    175MG/KG                               | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7|             
    LOW MALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               |             M           +  +     +  +  +  +           +  +           +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             |             +           M  +     +  M  M  M           +  +           +  A|             
                                            __________________________________________________________________________|             
   Intestine Large                         |             +           +  +     +  +  +  +           +  +  +        +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  |             +           +  +     +  +  +  +           +  +  +        +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  |             +           +  +     +  +  +  +           +  +  +        +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 |             +           +  +     +  +  +  +           +  +  +        +  +|             
                                            __________________________________________________________________________|             
   Intestine Small                         |             +           +  +     +  A  +  +     +     +  +  +        +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               |             A           M  M     M  A  M  A           M  M  M        M  A|             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  |             +           +  +     +  A  +  +           +  +  +        +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                |             A           +  +     +  A  +  +     +     +  +  +        +  +|             
      Adenocarcinoma                       |                                                 X                        |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemangiosarcoma                      | X        X  X                          X                                 |             
      Hepatocellular Carcinoma             |          X           X        X  X  X                                X   |             
      Hepatocellular Adenoma               |                         X     X        X        X     X        X  X      |             
      Hepatocellular Adenoma, Multiple     |             X     X                          X     X                     |             
                                            __________________________________________________________________________|             
   Mesentery                               |                                              +                           |             
                                            __________________________________________________________________________|             
   Pancreas                                | +           +           +  +     +  +  +  +           +  +           +  +|             
      Lymphoma Malignant Mixed             | X                                                                        |             
                                            __________________________________________________________________________|             
   Salivary Glands                         |             +           +  +     +  +  +  +           +  +           +  +|             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Squamous Cell Papilloma              |                                                                   X      |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Tooth                                   |             +           +  +     +  +  +  +           +  +           +  +|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   |             +           +  +     +  +  +  +           +  +           +  +|             
      Hepatocellular Carcinoma, Metastatic,|                                                                          |             
           Liver                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland                           |             +           +  +     +  M  +  +           +  +           +  +|             
                                            __________________________________________________________________________|             
   Adrenal Gland, Cortex                   |             +           +  +     +  M  +  +           +  +           +  +|             
                                            __________________________________________________________________________|             
   Adrenal Gland, Medulla                  |             +           +  +     +  M  +  +           +  +           +  +|             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      |             +           +  +     +  +  +  +           +  +           +  +|             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       |             +           +  +     +  M  +  +           +  +           +  +|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         |             +           +  +     +  +  +  +           M  +           +  +|             
                                            __________________________________________________________________________|             
   Thyroid Gland                           |             +           +  +     +  +  +  +           +  +           +  +|             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  47                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 6| 2| 7| 6| 6| 6| 4| 7| 7| 7| 6| 6| 7| 7| 7| 6| 3|             
                             DAY ON TEST   | 2| 2| 2| 2| 2| 3| 3| 3| 9| 9| 3| 6| 5| 3| 8| 3| 3| 3| 6| 2| 3| 3| 3| 2| 8|             
                                           | 9| 9| 9| 9| 3| 0| 0| 0| 4| 7| 0| 3| 3| 8| 0| 0| 0| 0| 3| 6| 0| 0| 0| 0| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    175MG/KG                               | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7|             
    LOW MALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Epididymis                              |             +           +  +     +  +  +  +           +  +           +  +|             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Preputial Gland                         |                         +  +                                             |             
      Carcinoma                            |                         X                                                |             
                                            __________________________________________________________________________|             
   Prostate                                |             +           +  +     +  +  +  +           M  +           M  +|             
                                            __________________________________________________________________________|             
   Seminal Vesicle                         |             +           +  +     +  +  +  +           +  +           +  +|             
                                            __________________________________________________________________________|             
   Testes                                  |             +           +  +     +  +  +  +           +  +           +  +|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             |             +           +  +     +  +  +  +           +  +           +  +|             
      Hemangiosarcoma, Metastatic, Spleen  |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node                              | +           +           +  +     +  +  +  +           +  +           +  +|             
      Inguinal, Lymphoma Malignant Mixed   |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  |             +           +  +     +  +  +  M           +  +           +  +|             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +           +           +  +     +  +  M  +           +  M           +  +|             
      Lymphoma Malignant Mixed             | X                                                                        |             
                                            __________________________________________________________________________|             
   Spleen                                  |             +           +  +     +  +  +  +           +  +           +  +|             
      Hemangioma                           |                                                                          |             
      Hemangiosarcoma, Multiple            |                                                                          |             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Thymus                                  |             M           M  M     +  M  +  +           M  +           +  +|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           |             M     +     M  M     M  M  M  M           M  M           M  M|             
                                            __________________________________________________________________________|             
   Skin                                    | +        +  +  +  +     +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemangiosarcoma, Metastatic, Spleen  |                                                                          |             
      Subcutaneous Tissue, Fibroma         |                                           X                    X  X      |             
      Subcutaneous Tissue, Fibrosarcoma    |                         X                             X                  |             
      Subcutaneous Tissue, Hemangiosarcoma |          X                                                               |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    |             +           +  +     +  +  +  +           +  +           +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |             +           +  +     +  +  +  +           +  +           +  +|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   |             +           +  +     +  +  +  +           +  +           +  +|             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                         +                                                |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Alveolar/Bronchiolar Adenoma         |       X  X                                         X           X         |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  48                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 6| 7| 7| 7| 6| 2| 7| 6| 6| 6| 4| 7| 7| 7| 6| 6| 7| 7| 7| 6| 3|             
                             DAY ON TEST   | 2| 2| 2| 2| 2| 3| 3| 3| 9| 9| 3| 6| 5| 3| 8| 3| 3| 3| 6| 2| 3| 3| 3| 2| 8|             
                                           | 9| 9| 9| 9| 3| 0| 0| 0| 4| 7| 0| 3| 3| 8| 0| 0| 0| 0| 3| 6| 0| 0| 0| 0| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|             
    175MG/KG                               | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7|             
    LOW MALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM - cont                 |                                                                          |             
                                           |                                                                          |             
      Alveolar/Bronchiolar Adenoma,        |                                                                          |             
          Multiple                         |                      X                                                   |             
      Alveolar/Bronchiolar Carcinoma       |                                                          X               |             
      Fibrosarcoma, Metastatic, Skin       |                                                                          |             
      Hepatocellular Carcinoma, Metastatic,|                                                                          |             
           Liver                           |                      X           X                                       |             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Nose                                    |             +           +  +     +  +  +  +           +  +           +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 |             +           +  +     +  +  +  +           +  +           +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ear                                     |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |                            +                                            +|             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +     +  +  +  +  +  +  +  +  +  +|             
      Adenoma                              |                X  X                    X                          X      |             
      Lymphoma Malignant Mixed             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hepatocellular Carcinoma, Metastatic |                                                                          |             
      Hepatocellular Carcinoma, Metastatic,|                                                                          |             
           Liver                           |                                                                          |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         |             +           +  +     +  +  +  +           +  +           +  +|             
 _____________________________________________________________________________________________________________________|             
 SYSTEMIC LESIONS                          |                                                                          |             
                                            __________________________________________________________________________|             
   Multiple Organs                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Mixed             | X                                                                        |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  49                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 5| 5| 7| 7| 7| 6| 2| 7| 7| 6| 6| 6| 7| 7| 7| 6| 0| 7| 7| 6| 6| 6|             
                             DAY ON TEST   | 3| 3| 3| 7| 3| 3| 3| 1| 6| 8| 3| 3| 7| 6| 2| 3| 3| 1| 8| 0| 3| 3| 7| 5| 4|             
                                           | 0| 0| 0| 2| 2| 0| 0| 2| 4| 9| 0| 0| 3| 9| 6| 0| 0| 8| 8| 3| 0| 0| 9| 5| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    175MG/KG                               | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|             
    LOW MALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               |          +  +        +  M  +        +  +  +        +  +  +        +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             |          +  M        +  M  A        M  M  +        M  +  +        +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large                         |          +  +        +  +  +        +  +  +        +  +  +        +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  |          +  +        +  +  +        M  +  +        +  +  +        +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  |          +  +        +  +  +        +  +  +        +  +  +        +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 |          +  +        +  +  +        +  +  +        +  +  +        +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small                         |          +  A        +  +  +        +  +  +        +  +  +        +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               |          +  A        +  +  M        M  M  M        +  +  +        M  +  M|             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  |          +  A        +  M  +        +  +  +        +  +  +        +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                |          +  A        +  +  +        +  +  +        +  +  +        +  A  +|             
      Adenocarcinoma                       |                                                                          |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemangiosarcoma                      |                                                                          |             
      Hepatocellular Carcinoma             |          X  X                    X                    X                  |             
      Hepatocellular Adenoma               |    X                    X              X           X                     |             
      Hepatocellular Adenoma, Multiple     | X                    X                       X                           |             
                                            __________________________________________________________________________|             
   Mesentery                               |                                  +                                       |             
                                            __________________________________________________________________________|             
   Pancreas                                |          +  +        +  +  +        +  +  +        +  +  +        +  +  +|             
      Lymphoma Malignant Mixed             |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         |          +  +        M  +  +        +  +  +        +  +  +        +  +  +|             
      Lymphoma Malignant Mixed             |             X                                                            |             
                                            __________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Squamous Cell Papilloma              |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M|             
                                            __________________________________________________________________________|             
   Tooth                                   |          +  +        +  +  +        +  +  +        +  +  +        +  +  +|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   |          +  +        +  +  +        +  +  +        +  +  +        +  +  +|             
      Hepatocellular Carcinoma, Metastatic,|                                                                          |             
           Liver                           |                                                       X                  |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland                           |          +  +        +  +  +        +  +  +        +  +  +        M  +  +|             
                                            __________________________________________________________________________|             
   Adrenal Gland, Cortex                   |          +  +        +  +  +        +  +  +        +  +  +        M  +  +|             
                                            __________________________________________________________________________|             
   Adrenal Gland, Medulla                  |          +  +        +  +  +        +  +  +        +  +  +        M  +  +|             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      |          +  +        +  +  +        +  +  +        +  +  +        +  +  +|             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       |          +  M        +  M  M        +  M  M        +  +  M        +  +  +|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         |          +  +        +  +  +        M  +  +        +  M  +        +  +  +|             
                                            __________________________________________________________________________|             
   Thyroid Gland                           |          +  +        +  M  M        +  +  +        +  +  +        +  +  +|             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  50                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 5| 5| 7| 7| 7| 6| 2| 7| 7| 6| 6| 6| 7| 7| 7| 6| 0| 7| 7| 6| 6| 6|             
                             DAY ON TEST   | 3| 3| 3| 7| 3| 3| 3| 1| 6| 8| 3| 3| 7| 6| 2| 3| 3| 1| 8| 0| 3| 3| 7| 5| 4|             
                                           | 0| 0| 0| 2| 2| 0| 0| 2| 4| 9| 0| 0| 3| 9| 6| 0| 0| 8| 8| 3| 0| 0| 9| 5| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    175MG/KG                               | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|             
    LOW MALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Epididymis                              |          +  +        +  +  M        +  +  +        +  +  +        +  +  +|             
      Lymphoma Malignant Mixed             |             X                                                            |             
                                            __________________________________________________________________________|             
   Preputial Gland                         |                                                          +               |             
      Carcinoma                            |                                                                          |             
                                            __________________________________________________________________________|             
   Prostate                                |          +  +        +  +  +        +  +  +        +  +  +        +  +  +|             
                                            __________________________________________________________________________|             
   Seminal Vesicle                         |          +  +     +  +  +  +        +  +  +        +  +  +        +  +  +|             
                                            __________________________________________________________________________|             
   Testes                                  |          +  +        +  +  M        +  +  +        +  +  +        +  +  +|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             |          +  +        +  +  +        +  +  +        +  +  +        +  +  +|             
      Hemangiosarcoma, Metastatic, Spleen  |                      X                                                   |             
                                            __________________________________________________________________________|             
   Lymph Node                              |          +  +  +     +  +  +        +  +  +        +  +  +        +  +  +|             
      Inguinal, Lymphoma Malignant Mixed   |             X                                                            |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  |          +  +        M  +  +        +  +  +        +  +  +        M  +  +|             
      Lymphoma Malignant Mixed             |             X                                                            |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  |          +  +  +     +  +  +        +  +  +        +  +  +        +  M  +|             
      Lymphoma Malignant Mixed             |             X           X                                                |             
                                            __________________________________________________________________________|             
   Spleen                                  | +        +  +  +     +  +  +        +  +  +        +  +  +     +  +  +  +|             
      Hemangioma                           |                X                                                         |             
      Hemangiosarcoma, Multiple            |                      X                                                   |             
      Lymphoma Malignant Mixed             |                         X                                                |             
                                            __________________________________________________________________________|             
   Thymus                                  |          M  M        +  +  +        +  M  +        +  +  +        +  +  +|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           |          M  M        M  M  +        M  +  +        +  M  +        M  M  M|             
                                            __________________________________________________________________________|             
   Skin                                    |          +  +     +  +  +  +        +  +  +        +  +  +        +  M  +|             
      Hemangiosarcoma, Metastatic, Spleen  |                      X                                                   |             
      Subcutaneous Tissue, Fibroma         |                                                                          |             
      Subcutaneous Tissue, Fibrosarcoma    |                                           X                             X|             
      Subcutaneous Tissue, Hemangiosarcoma |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    |          +  +        +  +  +        +  +  +        +  +  +        +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |          +  +        +  +  +        +  +  +        +  +  +        +  +  +|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   |          +  +        +  +  +        +  +  +        +  +  +        +  +  +|             
      Lymphoma Malignant Mixed             |             X                                                            |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Alveolar/Bronchiolar Adenoma         | X     X                                         X              X     X   |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  51                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 5| 5| 7| 7| 7| 6| 2| 7| 7| 6| 6| 6| 7| 7| 7| 6| 0| 7| 7| 6| 6| 6|             
                             DAY ON TEST   | 3| 3| 3| 7| 3| 3| 3| 1| 6| 8| 3| 3| 7| 6| 2| 3| 3| 1| 8| 0| 3| 3| 7| 5| 4|             
                                           | 0| 0| 0| 2| 2| 0| 0| 2| 4| 9| 0| 0| 3| 9| 6| 0| 0| 8| 8| 3| 0| 0| 9| 5| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    175MG/KG                               | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2|             
    LOW MALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM - cont                 |                                                                          |             
                                           |                                                                          |             
      Alveolar/Bronchiolar Adenoma,        |                                                                          |             
          Multiple                         |                         X                                                |             
      Alveolar/Bronchiolar Carcinoma       |                                                                          |             
      Fibrosarcoma, Metastatic, Skin       |                                                                         X|             
      Hepatocellular Carcinoma, Metastatic,|                                                                          |             
           Liver                           |                                                       X                  |             
      Lymphoma Malignant Mixed             |             X                                                            |             
                                            __________________________________________________________________________|             
   Nose                                    |          +  +        +  +  +        +  +  +        +  +  +        +  +  +|             
                                            __________________________________________________________________________|             
   Trachea                                 |          +  +        +  M  +        +  +  +        +  +  +        +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ear                                     |                                                       +                  |             
                                            __________________________________________________________________________|             
   Eye                                     |             +              +                          +                  |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Adenoma                              |                      X  X              X                       X         |             
      Lymphoma Malignant Mixed             |             X                                                            |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hepatocellular Carcinoma, Metastatic |                                                       X                  |             
      Hepatocellular Carcinoma, Metastatic,|                                                                          |             
           Liver                           |                                                       X                  |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         |          +  +        +  +  +        +  +  +        +  I  +        +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SYSTEMIC LESIONS                          |                                                                          |             
                                            __________________________________________________________________________|             
   Multiple Organs                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Mixed             |             X           X                                                |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  52                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|                                            |            |
                                           | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                                            |     A      |
    175MG/KG                               | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|                                            |     L      |
    LOW MALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Esophagus                               |                                                                          |  23        |
                                            __________________________________________________________________________|____________|
   Gallbladder                             |                                                                          |  14        |
                                            __________________________________________________________________________|____________|
   Intestine Large                         |                                                                          |  26        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  |                                                                          |  25        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  |                                                                          |  26        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 |                                                                          |  26        |
                                            __________________________________________________________________________|____________|
   Intestine Small                         |                                                                          |  25        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               |                                                                          |   7        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  |                                                                          |  23        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                |                                                                          |  23        |
      Adenocarcinoma                       |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Liver                                   |                                                                          |  50        |
      Hemangiosarcoma                      |                                                                          |          4 |
      Hepatocellular Carcinoma             |                                                                          |         10 |
      Hepatocellular Adenoma               |                                                                          |         11 |
      Hepatocellular Adenoma, Multiple     |                                                                          |          7 |
                                            __________________________________________________________________________|____________|
   Mesentery                               |                                                                          |   2        |
                                            __________________________________________________________________________|____________|
   Pancreas                                |                                                                          |  26        |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Salivary Glands                         |                                                                          |  24        |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Stomach                                 |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    |                                                                          |  50        |
      Squamous Cell Papilloma              |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      |                                                                          |  47        |
                                            __________________________________________________________________________|____________|
   Tooth                                   |                                                                          |  25        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Heart                                   |                                                                          |  25        |
      Hepatocellular Carcinoma, Metastatic,|                                                                          |            |
           Liver                           |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Adrenal Gland                           |                                                                          |  23        |
                                            __________________________________________________________________________|____________|
   Adrenal Gland, Cortex                   |                                                                          |  23        |
                                            __________________________________________________________________________|____________|
   Adrenal Gland, Medulla                  |                                                                          |  23        |
                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      |                                                                          |  25        |
                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       |                                                                          |  18        |
                                            __________________________________________________________________________|____________|
   Pituitary Gland                         |                                                                          |  22        |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  53                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|                                            |            |
                                           | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                                            |     A      |
    175MG/KG                               | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|                                            |     L      |
    LOW MALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 ENDOCRINE SYSTEM - cont                   |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Thyroid Gland                           |                                                                          |  23        |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Epididymis                              |                                                                          |  24        |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Preputial Gland                         |                                                                          |   3        |
      Carcinoma                            |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Prostate                                |                                                                          |  23        |
                                            __________________________________________________________________________|____________|
   Seminal Vesicle                         |                                                                          |  26        |
                                            __________________________________________________________________________|____________|
   Testes                                  |                                                                          |  24        |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone Marrow                             |                                                                          |  25        |
      Hemangiosarcoma, Metastatic, Spleen  |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Lymph Node                              |                                                                          |  27        |
      Inguinal, Lymphoma Malignant Mixed   |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  |                                                                          |  22        |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  |                                                                          |  24        |
      Lymphoma Malignant Mixed             |                                                                          |          3 |
                                            __________________________________________________________________________|____________|
   Spleen                                  |                                                                          |  28        |
      Hemangioma                           |                                                                          |          1 |
      Hemangiosarcoma, Multiple            |                                                                          |          1 |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Thymus                                  |                                                                          |  17        |
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Mammary Gland                           |                                                                          |   6        |
                                            __________________________________________________________________________|____________|
   Skin                                    |                                                                          |  35        |
      Hemangiosarcoma, Metastatic, Spleen  |                                                                          |          1 |
      Subcutaneous Tissue, Fibroma         |                                                                          |          3 |
      Subcutaneous Tissue, Fibrosarcoma    |                                                                          |          4 |
      Subcutaneous Tissue, Hemangiosarcoma |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone                                    |                                                                          |  25        |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  54                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|                                            |            |
                                           | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                                            |     A      |
    175MG/KG                               | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|                                            |     L      |
    LOW MALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 MUSCULOSKELETAL SYSTEM - cont             |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Skeletal Muscle                         |                                                                          |  25        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Brain                                   |                                                                          |  25        |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Spinal Cord                             |                                                                          |   1        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Lung                                    |                                                                          |  50        |
      Alveolar/Bronchiolar Adenoma         |                                                                          |          9 |
      Alveolar/Bronchiolar Adenoma,        |                                                                          |            |
          Multiple                         |                                                                          |          2 |
      Alveolar/Bronchiolar Carcinoma       |                                                                          |          1 |
      Fibrosarcoma, Metastatic, Skin       |                                                                          |          1 |
      Hepatocellular Carcinoma, Metastatic,|                                                                          |            |
           Liver                           |                                                                          |          3 |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Nose                                    |                                                                          |  25        |
                                            __________________________________________________________________________|____________|
   Trachea                                 |                                                                          |  24        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Ear                                     |                                                                          |   1        |
                                            __________________________________________________________________________|____________|
   Eye                                     |                                                                          |   5        |
                                            __________________________________________________________________________|____________|
   Harderian Gland                         |                                                                          |  49        |
      Adenoma                              |                                                                          |          8 |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Kidney                                  |                                                                          |  50        |
      Hepatocellular Carcinoma, Metastatic |                                                                          |          1 |
      Hepatocellular Carcinoma, Metastatic,|                                                                          |            |
           Liver                           |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Urinary Bladder                         |                                                                          |  24        |
 __________________________________________________________________________________________________________________________________ 
 SYSTEMIC LESIONS                          |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Multiple Organs                         |                                                                          |  50        |
      Lymphoma Malignant Mixed             |                                                                          |          3 |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  55                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 6| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 5| 5| 7| 7| 6| 6| 1|             
                             DAY ON TEST   | 3| 3| 6| 0| 8| 3| 3| 3| 3| 7| 3| 3| 3| 6| 2| 3| 3| 3| 7| 1| 3| 3| 7| 6| 3|             
                                           | 0| 0| 6| 4| 8| 0| 0| 0| 0| 3| 0| 0| 0| 6| 7| 0| 0| 0| 1| 1| 0| 0| 3| 6| 4|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    350MG/KG                               | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9|             
    HIGHMALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | M  +  +  M  M  +  M  +  M  M  +  M  +  +  +  +  +  +  M  A  +  +  +  M  A|             
                                            __________________________________________________________________________|             
   Intestine Large                         | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A|             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  A  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  A|             
                                            __________________________________________________________________________|             
   Intestine Small                         | +  +  +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  A|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | M  +  M  A  A  M  M  +  M  M  M  M  M  M  M  M  M  M  +  A  M  M  M  M  A|             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  A|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  A  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  A|             
      Adenocarcinoma                       |                                                                          |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Adenocarcinoma, Metastatic           |                                                                          |             
      Adenocarcinoma, Metastatic,          |                                                                          |             
          Intestine Small                  |                                                                          |             
      Fibrosarcoma, Metastatic, Skin       |                                                                      X   |             
      Hepatoblastoma                       |                                                                          |             
      Hepatocellular Carcinoma             |             X        X                                X  X               |             
      Hepatocellular Carcinoma, Multiple   |                         X                                                |             
      Hepatocellular Adenoma               |    X                 X        X                    X  X                  |             
      Hepatocellular Adenoma, Multiple     | X     X        X  X     X        X     X     X  X                 X      |             
                                            __________________________________________________________________________|             
   Mesentery                               |                                                    +                 +   |             
      Adenocarcinoma, Metastatic,          |                                                                          |             
          Intestine Small                  |                                                                          |             
      Fibrosarcoma, Metastatic, Skin       |                                                                      X   |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A|             
      Fibrosarcoma, Metastatic, Skin       |                                                                      X   |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A|             
      Squamous Cell Papilloma              |                                                                          |             
      Glandular, Mast Cell Tumor Malignant,|                                                                          |             
           Metastatic, Skin                |       X                                                                  |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +     +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A|             
      Adenocarcinoma, Metastatic           |                                                                          |             
      Adenocarcinoma, Metastatic,          |                                                                          |             
          Intestine Small                  |                                                                          |             
                                            __________________________________________________________________________|             
   Tooth                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  M  +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page  56                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 6| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 5| 5| 7| 7| 6| 6| 1|             
                             DAY ON TEST   | 3| 3| 6| 0| 8| 3| 3| 3| 3| 7| 3| 3| 3| 6| 2| 3| 3| 3| 7| 1| 3| 3| 7| 6| 3|             
                                           | 0| 0| 6| 4| 8| 0| 0| 0| 0| 3| 0| 0| 0| 6| 7| 0| 0| 0| 1| 1| 0| 0| 3| 6| 4|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    350MG/KG                               | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9|             
    HIGHMALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  M  +|             
                                            __________________________________________________________________________|             
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  M  +|             
      Pheochromocytoma Malignant           |                                                                          |             
      Pheochromocytoma Benign              |                                                                          |             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A|             
      Adenoma                              |                                                                          |             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Skin                 |       X                                                                  |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  M  M  +  +  M  +  +  +  +  M  M  M  M  M  M  +  +  M  +  +  M  +  M  M|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  I  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +|             
      Follicular Cell, Adenoma             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Epididymis                              | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Preputial Gland                         |                      +                          +                        |             
                                            __________________________________________________________________________|             
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood                                   |                                           +                              |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Skin                 |       X                                                                  |             
                                            __________________________________________________________________________|             
   Lymph Node                              | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  M  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Skin                 |       X                                                                  |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  M  +  +  +  +  +  +  +  +  M  +  +  +  M  +  +  +  +  +  +  +  +  M  M|             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Skin                 |       X                                                                  |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  +  M  M  +  +  +  +  +  M  +  +  M  M  +  M  +  +  +  +  M  +  M  M|             
      Lymphoma Malignant Mixed             |       X                                                                  |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | M  M  M  M  +  M  M  M  M  M  M  M  M  +  M  M  M  M  M  M  +  M  +  +  M|             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Mast Cell Tumor Malignant            |       X                                                                  |             
      Subcutaneous Tissue, Fibroma,        |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  57                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 6| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 5| 5| 7| 7| 6| 6| 1|             
                             DAY ON TEST   | 3| 3| 6| 0| 8| 3| 3| 3| 3| 7| 3| 3| 3| 6| 2| 3| 3| 3| 7| 1| 3| 3| 7| 6| 3|             
                                           | 0| 0| 6| 4| 8| 0| 0| 0| 0| 3| 0| 0| 0| 6| 7| 0| 0| 0| 1| 1| 0| 0| 3| 6| 4|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    350MG/KG                               | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9|             
    HIGHMALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
          Multiple                         |                                              X                           |             
      Subcutaneous Tissue, Fibrosarcoma    |                                                                      X   |             
      Subcutaneous Tissue, Fibrosarcoma,   |                                                                          |             
           Multiple                        |                                           X                              |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Alveolar/Bronchiolar Adenoma         |                         X                             X                  |             
      Alveolar/Bronchiolar Adenoma,        |                                                                          |             
          Multiple                         |       X                                                                  |             
      Alveolar/Bronchiolar Carcinoma       |          X                                                               |             
      Fibrosarcoma, Metastatic, Skin       |                                                                      X   |             
      Hepatocellular Carcinoma, Metastatic,|                                                                          |             
           Liver                           |                                                          X               |             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Skin                 |       X                                                                  |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Carcinoma, Metastatic, Harderian     |                                                                          |             
          Gland                            |                                                                          |             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ear                                     |                                                                          |             
                                            __________________________________________________________________________|             
   Eye                                     |       +                          +                       +               |             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Skin                 |       X                                                                  |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M|             
      Adenoma                              |                               X                                          |             
      Adenoma, Mild                        | X                                                                        |             
      Adenoma, Multiple                    |                                                                          |             
      Carcinoma                            |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Skin                 |       X                                                                  |             
      Renal Tubule, Adenoma                | X                                                                        |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  58                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 6| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 5| 5| 7| 7| 6| 6| 1|             
                             DAY ON TEST   | 3| 3| 6| 0| 8| 3| 3| 3| 3| 7| 3| 3| 3| 6| 2| 3| 3| 3| 7| 1| 3| 3| 7| 6| 3|             
                                           | 0| 0| 6| 4| 8| 0| 0| 0| 0| 3| 0| 0| 0| 6| 7| 0| 0| 0| 1| 1| 0| 0| 3| 6| 4|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    350MG/KG                               | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9|             
    HIGHMALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
      Renal Tubule, Carcinoma              |                            X                                             |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SYSTEMIC LESIONS                          |                                                                          |             
                                            __________________________________________________________________________|             
   Multiple Organs                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Mixed             |       X                                                                  |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  59                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 6| 2| 7| 7| 6| 6| 4| 7| 7| 7| 7| 0| 7| 7| 7| 7| 1| 7| 7| 6| 6| 5|             
                             DAY ON TEST   | 3| 3| 3| 8| 9| 3| 1| 3| 3| 6| 3| 3| 1| 0| 6| 3| 3| 3| 1| 1| 3| 3| 9| 9| 9|             
                                           | 0| 0| 0| 3| 3| 0| 2| 5| 4| 9| 0| 0| 7| 6| 0| 0| 0| 0| 9| 7| 0| 0| 9| 8| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
    350MG/KG                               | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|             
    HIGHMALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Gallbladder                             | M  M  +  +  A  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  M  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large                         | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  M  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  M  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small                         | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | M  M  M  +  A  M  M  M  M  M  +  +  +  M  A  M  +  M  M  +  M  M  +  +  M|             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  A  +  +  M  +  +  +  +  +  M  A  +  +  +  +  A  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  M  +  +  +  +  +  +  A  +  +  +  +  +  +  +  +  +  +|             
      Adenocarcinoma                       |    X                                                  X                  |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Adenocarcinoma, Metastatic           |                                                       X                  |             
      Adenocarcinoma, Metastatic,          |                                                                          |             
          Intestine Small                  |                                                       X                  |             
      Fibrosarcoma, Metastatic, Skin       |                                                                          |             
      Hepatoblastoma                       |                                                                         X|             
      Hepatocellular Carcinoma             | X  X                    X  X                                             |             
      Hepatocellular Carcinoma, Multiple   |                                        X                                 |             
      Hepatocellular Adenoma               |    X  X                          X           X                       X  X|             
      Hepatocellular Adenoma, Multiple     | X        X           X              X                       X  X  X      |             
                                            __________________________________________________________________________|             
   Mesentery                               |                +                                      +                  |             
      Adenocarcinoma, Metastatic,          |                                                                          |             
          Intestine Small                  |                                                       X                  |             
      Fibrosarcoma, Metastatic, Skin       |                                                                          |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fibrosarcoma, Metastatic, Skin       |                                                                          |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Squamous Cell Papilloma              |                               X                                          |             
      Glandular, Mast Cell Tumor Malignant,|                                                                          |             
           Metastatic, Skin                |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  A  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Adenocarcinoma, Metastatic           |                                                       X                  |             
      Adenocarcinoma, Metastatic,          |                                                                          |             
          Intestine Small                  |                                                       X                  |             
                                            __________________________________________________________________________|             
   Tooth                                   | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page  60                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 6| 2| 7| 7| 6| 6| 4| 7| 7| 7| 7| 0| 7| 7| 7| 7| 1| 7| 7| 6| 6| 5|             
                             DAY ON TEST   | 3| 3| 3| 8| 9| 3| 1| 3| 3| 6| 3| 3| 1| 0| 6| 3| 3| 3| 1| 1| 3| 3| 9| 9| 9|             
                                           | 0| 0| 0| 3| 3| 0| 2| 5| 4| 9| 0| 0| 7| 6| 0| 0| 0| 0| 9| 7| 0| 0| 9| 8| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
    350MG/KG                               | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|             
    HIGHMALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM - cont                   |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Gland, Cortex                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Adrenal Gland, Medulla                  | +  +  +  +  +  +  +  +  M  +  M  +  M  M  +  +  +  +  M  +  +  +  +  +  +|             
      Pheochromocytoma Malignant           |                                                 X                        |             
      Pheochromocytoma Benign              |                                                    X                     |             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Adenoma                              |                                                                   X      |             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Skin                 |                                                                          |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  M  +  +  +  +  +  +  +  +  +  M  M  +  M  +  M  +  +  +  M  +  +  +  M|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Follicular Cell, Adenoma             |                               X                                          |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Epididymis                              | M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +     +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Preputial Gland                         | +           +           +                                                |             
                                            __________________________________________________________________________|             
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  M  +  +|             
                                            __________________________________________________________________________|             
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood                                   |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Skin                 |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  M  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  M  M  +  +|             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Skin                 |                                                                          |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  I  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Skin                 |                                                                          |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  +  M  +  M  M  M  +  +  +  +  M  M  +  +  +  +  +  M  +  M  +  +  +|             
      Lymphoma Malignant Mixed             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | M  M  +  M  M  +  M  M  +  +  +  M  +  M  M  +  M  M  +  M  M  M  +  M  M|             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M|             
      Mast Cell Tumor Malignant            |                                                                          |             
      Subcutaneous Tissue, Fibroma,        |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  61                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 6| 2| 7| 7| 6| 6| 4| 7| 7| 7| 7| 0| 7| 7| 7| 7| 1| 7| 7| 6| 6| 5|             
                             DAY ON TEST   | 3| 3| 3| 8| 9| 3| 1| 3| 3| 6| 3| 3| 1| 0| 6| 3| 3| 3| 1| 1| 3| 3| 9| 9| 9|             
                                           | 0| 0| 0| 3| 3| 0| 2| 5| 4| 9| 0| 0| 7| 6| 0| 0| 0| 0| 9| 7| 0| 0| 9| 8| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
    350MG/KG                               | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|             
    HIGHMALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
          Multiple                         |                                                                          |             
      Subcutaneous Tissue, Fibrosarcoma    |                      X                                                   |             
      Subcutaneous Tissue, Fibrosarcoma,   |                                                                          |             
           Multiple                        |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Alveolar/Bronchiolar Adenoma         | X        X                                   X     X        X            |             
      Alveolar/Bronchiolar Adenoma,        |                                                                          |             
          Multiple                         |       X                                                                  |             
      Alveolar/Bronchiolar Carcinoma       |                                                    X                     |             
      Fibrosarcoma, Metastatic, Skin       |                                                                          |             
      Hepatocellular Carcinoma, Metastatic,|                                                                          |             
           Liver                           |                                        X                                 |             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Skin                 |                                                                          |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Carcinoma, Metastatic, Harderian     |                                                                          |             
          Gland                            |                                                                      X   |             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Ear                                     |                                                 +                        |             
                                            __________________________________________________________________________|             
   Eye                                     |                            +              +     +                    +   |             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Skin                 |                                                                          |             
                                            __________________________________________________________________________|             
   Harderian Gland                         | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  A  +  +  +  +  +|             
      Adenoma                              |       X                 X                                                |             
      Adenoma, Mild                        |                                                                          |             
      Adenoma, Multiple                    |                X                                                         |             
      Carcinoma                            |                                                                      X   |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Mast Cell Tumor Malignant,           |                                                                          |             
          Metastatic, Skin                 |                                                                          |             
      Renal Tubule, Adenoma                |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  62                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 6| 2| 7| 7| 6| 6| 4| 7| 7| 7| 7| 0| 7| 7| 7| 7| 1| 7| 7| 6| 6| 5|             
                             DAY ON TEST   | 3| 3| 3| 8| 9| 3| 1| 3| 3| 6| 3| 3| 1| 0| 6| 3| 3| 3| 1| 1| 3| 3| 9| 9| 9|             
                                           | 0| 0| 0| 3| 3| 0| 2| 5| 4| 9| 0| 0| 7| 6| 0| 0| 0| 0| 9| 7| 0| 0| 9| 8| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|             
    350MG/KG                               | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4|             
    HIGHMALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM - cont                     |                                                                          |             
                                           |                                                                          |             
      Renal Tubule, Carcinoma              |                                                                          |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SYSTEMIC LESIONS                          |                                                                          |             
                                            __________________________________________________________________________|             
   Multiple Organs                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Lymphoma Malignant Mixed             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  63                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 1| 1| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 2| 1| 5| 5| 5| 5|                                            |            |
                                           | 8| 8| 8| 8| 2| 5| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|                                            |     A      |
    350MG/KG                               | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6|                                            |     L      |
    HIGHMALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Esophagus                               |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Gallbladder                             |                                                                          |  34        |
                                            __________________________________________________________________________|____________|
   Intestine Large                         |                                                                          |  47        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  |                                                                          |  46        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  |                                                                          |  47        |
                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 |                                                                          |  45        |
                                            __________________________________________________________________________|____________|
   Intestine Small                         |                                                                          |  45        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               |                                                                          |  11        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  |                                                                          |  41        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                |                                                                          |  44        |
      Adenocarcinoma                       |                                                                          |          2 |
                                            __________________________________________________________________________|____________|
   Liver                                   |                                                                          |  50        |
      Adenocarcinoma, Metastatic           |                                                                          |          1 |
      Adenocarcinoma, Metastatic,          |                                                                          |            |
          Intestine Small                  |                                                                          |          1 |
      Fibrosarcoma, Metastatic, Skin       |                                                                          |          1 |
      Hepatoblastoma                       |                                                                          |          1 |
      Hepatocellular Carcinoma             |                                                                          |          8 |
      Hepatocellular Carcinoma, Multiple   |                                                                          |          2 |
      Hepatocellular Adenoma               |                                                                          |         11 |
      Hepatocellular Adenoma, Multiple     |                                                                          |         17 |
                                            __________________________________________________________________________|____________|
   Mesentery                               |                                                                          |   4        |
      Adenocarcinoma, Metastatic,          |                                                                          |            |
          Intestine Small                  |                                                                          |          1 |
      Fibrosarcoma, Metastatic, Skin       |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Pancreas                                |                                                                          |  49        |
      Fibrosarcoma, Metastatic, Skin       |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Salivary Glands                         |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Stomach                                 |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    |                                                                          |  49        |
      Squamous Cell Papilloma              |                                                                          |          1 |
      Glandular, Mast Cell Tumor Malignant,|                                                                          |            |
           Metastatic, Skin                |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      |                                                                          |  47        |
      Adenocarcinoma, Metastatic           |                                                                          |          1 |
      Adenocarcinoma, Metastatic,          |                                                                          |            |
          Intestine Small                  |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Tooth                                   |                                                                          |  49        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  64                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 1| 1| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 2| 1| 5| 5| 5| 5|                                            |            |
                                           | 8| 8| 8| 8| 2| 5| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|                                            |     A      |
    350MG/KG                               | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6|                                            |     L      |
    HIGHMALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 CARDIOVASCULAR SYSTEM - cont              |                                                                          |            |
                                           |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Heart                                   |                                                                          |  50        |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Adrenal Gland                           |                                                                          |  48        |
                                            __________________________________________________________________________|____________|
   Adrenal Gland, Cortex                   |                                                                          |  48        |
                                            __________________________________________________________________________|____________|
   Adrenal Gland, Medulla                  |                                                                          |  43        |
      Pheochromocytoma Malignant           |                                                                          |          1 |
      Pheochromocytoma Benign              |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      |                                                                          |  49        |
      Adenoma                              |                                                                          |          1 |
      Mast Cell Tumor Malignant,           |                                                                          |            |
          Metastatic, Skin                 |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       |                                                                          |  30        |
                                            __________________________________________________________________________|____________|
   Pituitary Gland                         |                                                                          |  48        |
                                            __________________________________________________________________________|____________|
   Thyroid Gland                           |                                                                          |  49        |
      Follicular Cell, Adenoma             |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Epididymis                              |                                                                          |  47        |
                                            __________________________________________________________________________|____________|
   Preputial Gland                         |                                                                          |   5        |
                                            __________________________________________________________________________|____________|
   Prostate                                |                                                                          |  47        |
                                            __________________________________________________________________________|____________|
   Seminal Vesicle                         |                                                                          |  50        |
                                            __________________________________________________________________________|____________|
   Testes                                  |                                                                          |  50        |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Blood                                   |                                                                          |   1        |
                                            __________________________________________________________________________|____________|
   Bone Marrow                             |                                                                          |  49        |
      Mast Cell Tumor Malignant,           |                                                                          |            |
          Metastatic, Skin                 |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Lymph Node                              |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  |                                                                          |  44        |
      Mast Cell Tumor Malignant,           |                                                                          |            |
          Metastatic, Skin                 |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  |                                                                          |  44        |
                                            __________________________________________________________________________|____________|
   Spleen                                  |                                                                          |  49        |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  65                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 1| 1| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 2| 1| 5| 5| 5| 5|                                            |            |
                                           | 8| 8| 8| 8| 2| 5| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|                                            |     A      |
    350MG/KG                               | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6|                                            |     L      |
    HIGHMALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |
      Mast Cell Tumor Malignant,           |                                                                          |            |
          Metastatic, Skin                 |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Thymus                                  |                                                                          |  33        |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Mammary Gland                           |                                                                          |  14        |
                                            __________________________________________________________________________|____________|
   Skin                                    |                                                                          |  49        |
      Mast Cell Tumor Malignant            |                                                                          |          1 |
      Subcutaneous Tissue, Fibroma,        |                                                                          |            |
          Multiple                         |                                                                          |          1 |
      Subcutaneous Tissue, Fibrosarcoma    |                                                                          |          2 |
      Subcutaneous Tissue, Fibrosarcoma,   |                                                                          |            |
           Multiple                        |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone                                    |                                                                          |  49        |
                                            __________________________________________________________________________|____________|
   Skeletal Muscle                         |                                                                          |  50        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Brain                                   |                                                                          |  50        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Lung                                    |                                                                          |  50        |
      Alveolar/Bronchiolar Adenoma         |                                                                          |          7 |
      Alveolar/Bronchiolar Adenoma,        |                                                                          |            |
          Multiple                         |                                                                          |          2 |
      Alveolar/Bronchiolar Carcinoma       |                                                                          |          2 |
      Fibrosarcoma, Metastatic, Skin       |                                                                          |          1 |
      Hepatocellular Carcinoma, Metastatic,|                                                                          |            |
           Liver                           |                                                                          |          2 |
      Mast Cell Tumor Malignant,           |                                                                          |            |
          Metastatic, Skin                 |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Nose                                    |                                                                          |  50        |
      Carcinoma, Metastatic, Harderian     |                                                                          |            |
          Gland                            |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Trachea                                 |                                                                          |  49        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  66                                                               
NTP Experiment-Test: 05042-02                        NEOPLASMS BY INDIVIDUAL ANIMAL                               Report: PEIRPT04
Study Type: CHRONIC                                   TRIS (2-CHLOROETHYL) PHOSPHATE                              Date: 04/15/97  
Route: GAVAGE                                                                                                     Time: 16:14:55  
 __________________________________________________________________________________________________________________________________ 
                                           | 4| 4| 4| 4| 1| 1| 4| 4| 4| 4|                                            |            |
                             DAY ON TEST   | 5| 5| 5| 5| 2| 1| 5| 5| 5| 5|                                            |            |
                                           | 8| 8| 8| 8| 2| 5| 8| 8| 8| 8|                                            |            |
 _____________________________________________________________________________________________________________________|     T (*)  |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     O      |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |     T      |
                               ANIMAL ID   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|                                            |     A      |
    350MG/KG                               | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6|                                            |     L      |
    HIGHMALE                               | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5|                                            |            |
 __________________________________________________________________________________________________________________________________ 
 SPECIAL SENSES SYSTEM - cont              |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Ear                                     |                                                                          |   1        |
                                            __________________________________________________________________________|____________|
   Eye                                     |                                                                          |   7        |
      Mast Cell Tumor Malignant,           |                                                                          |            |
          Metastatic, Skin                 |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Harderian Gland                         |                                                                          |  47        |
      Adenoma                              |                                                                          |          3 |
      Adenoma, Mild                        |                                                                          |          1 |
      Adenoma, Multiple                    |                                                                          |          1 |
      Carcinoma                            |                                                                          |          1 |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Kidney                                  |                                                                          |  50        |
      Mast Cell Tumor Malignant,           |                                                                          |            |
          Metastatic, Skin                 |                                                                          |          1 |
      Renal Tubule, Adenoma                |                                                                          |          1 |
      Renal Tubule, Carcinoma              |                                                                          |          1 |
                                            __________________________________________________________________________|____________|
   Urinary Bladder                         |                                                                          |  49        |
 __________________________________________________________________________________________________________________________________ 
 SYSTEMIC LESIONS                          |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Multiple Organs                         |                                                                          |  50        |
      Lymphoma Malignant Mixed             |                                                                          |          1 |
 __________________________________________________________________________________________________________________________________ 
                         * : Total animals with tissue examined microscopically; total animals with tumor                           
                         + : Tissue examined microscopically                      M : Missing tissue                                
                         X : Lesion present                                       A : Autolysis precludes evaluation                
                         I : Insufficient tissue                              BLANK : Not examined microscopically                  
                                                             Page  67                                                               
                                  ------------------------------------------------------------                                      
                                  ----------              END OF REPORT             ----------                                      
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