https://ntp.niehs.nih.gov/go/17271

TDMS Study 91001-01 Pathology Tables

NTP                                    STATISTICAL ANALYSIS OF NON-NEOPLASTIC LESIONS                          REPORT: PEIRPT10     
LAB: Battelle Columbus                                      O-CHLOROANILINE                                    DATE: 10/20/04       
EXPERIMENT: 91001 TEST: 01                                                                                     TIME: 13:23:01       
TEST TYPE:  SUBCHRON 90-DAY                                                                                    PAGE:       1        
CONT: N01-ES-15320                              ROUTE: GAVAGE                                                  NTP C#: C91001       
PATHOLOGIST: R. PERSING                      ELWELL, MICHAEL                 LE                                CAS: 95-51-2         
------------------------------------------------------------------------------------------------------------------------------------
               REASONS FOR REMOVAL:    ALL                                                                                          
               REMOVAL DATE RANGE:     ALL                                                                                          
               TREATMENT GROUPS:       INCLUDE 001    0 MG/KG                                                                       
                                       INCLUDE 002    0 MG/KG                                                                       
                                       INCLUDE 003    10 MG/KG                                                                      
                                       INCLUDE 004    10 MG/KG                                                                      
                                       INCLUDE 005    20 MG/KG                                                                      
                                       INCLUDE 006    20 MG/KG                                                                      
                                       INCLUDE 007    40 MG/KG                                                                      
                                       INCLUDE 008    40 MG/KG                                                                      
                                       INCLUDE 009    80 MG/KG                                                                      
                                       INCLUDE 010    80 MG/KG                                                                      
                                       INCLUDE 011    160     MG/KG                                                                 
                                       INCLUDE 012    160     MG/KG                                                                 
NTP                                    STATISTICAL ANALYSIS OF NON-NEOPLASTIC LESIONS                          REPORT: PEIRPT10     
LAB: Battelle Columbus                                      O-CHLOROANILINE                                    DATE: 10/20/04       
EXPERIMENT: 91001 TEST: 01                                                                                     TIME: 13:23:01       
TEST TYPE:  SUBCHRON 90-DAY                                                                                                         
CONT: N01-ES-15320                              ROUTE: GAVAGE                                                  NTP C#: C91001       
PATHOLOGIST: R. PERSING                      ELWELL, MICHAEL                 LE                                CAS: 95-51-2         
SUMMARY OF STATISTICALLY SIGNIFICANT (P<=.05) RESULTS                                                                               
IN THE ANALYSIS OF                    O-CHLOROANILINE                                                                               
===============================================================                                                                     
Male Rats                                                                                                                           
------------                                                                                                                        
Organ                                 Morphology                                                                                    
-----                                 ----------                                                                                    
Bone Marrow: Erythroid Cell            Hyperplasia                                                                                  
Kidney: Cortex                         Pigmentation Diffuse Hemosiderin                                                             
Liver                                  Pigmentation Hemosiderin                                                                     
Spleen                                 Hematopoietic Cell Proliferation                                                             
                                       Pigmentation Hemosiderin                                                                     
Spleen: Capsule                        Fibrosis                                                                                     
===============================================================                                                                     
Female Rats                                                                                                                         
------------                                                                                                                        
Organ                                  Morphology                                                                                   
-----                                  ----------                                                                                   
Bone Marrow: Erythroid Cell            Hyperplasia                                                                                  
Kidney: Cortex                         Pigmentation Diffuse Hemosiderin                                                             
Liver                                  Pigmentation Hemosiderin                                                                     
Spleen                                 Hematopoietic Cell Proliferation                                                             
                                       Pigmentation Hemosiderin                                                                     
Spleen: Capsule                        Fibrosis                                                                                     
===============================================================                                                                     
       Date:  10/20/04                           EXPERIMENT: 91001 TEST: 01                                            Page 1       
Statistical Analysis of Non-neoplastic Lesions in        Rats(FISCHER 344)  -                     O-CHLOROANILINE                   
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Bone Marrow: Erythroid Cell                                                                                                      | 
|     Hyperplasia                                                                                                                 | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/10 (0%)        0/10 (0%)        1/10 (10%)       10/10 (100%)     10/10 (100%)    | 
|POLY-3 RATE (b)    |        0/10.00          0/10.00          0/10.00          1/10.00          10/10.00         10/10.00        | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             10.0%            100.0%           100.0%          | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/9 (0%)         10/10 (100%)     10/10 (100%)    | 
|FIRST INCIDENCE    |        ---              ---              ---              12               93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              P=0.500          P<0.001 **       P<0.001 **      | 
|POLY 3             |        P<0.001 **       (e)              (e)              P=0.500          P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       (e)              (e)              P=0.500          P<0.001 **       P<0.001 **      | 
|POLY 6             |        P<0.001 **       (e)              (e)              P=0.500          P<0.001 **       P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              P=0.500          P<0.001 **       P<0.001 **      | 
|ORDER RESTRICTED   |        P<0.001 **       (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Bone Marrow: Erythroid Cell                                                                                                      | 
|     Hyperplasia                                                                                                                 | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        10/10 (100%)     10/10 (100%)    | 
|POLY-3 RATE (b)    |        0/10.00          0/10.00          0/9.09           0/10.00          10/10.00         10/10.00        | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             100.0%           100.0%          | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/9 (0%)         0/10 (0%)        10/10 (100%)     10/10 (100%)    | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 3             |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 6             |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|ORDER RESTRICTED   |        P<0.001 **       (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 91001 TEST: 01                                            Page 2       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -                     O-CHLOROANILINE                    
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Clitoral Gland                                                                                                                   | 
|     Inflammation Chronic                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |                                                                                                             | 
|POLY-3 RATE (b)    |                                                                                                             | 
|POLY-3 PERCENT (g) |                                                                                                             | 
|TERMINAL (d)       |                                                                                                             | 
|FIRST INCIDENCE    |                                                                                                             | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |                                                                                                             | 
|POLY 3             |                                                                                                             | 
|POLY 1.5           |                                                                                                             | 
|POLY 6             |                                                                                                             | 
|LOGISTIC REGRESSION|                                                                                                             | 
|COCH-ARM / FISHERS |                                                                                                             | 
|ORDER RESTRICTED   |                                                                                                             | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Clitoral Gland                                                                                                                   | 
|     Inflammation Chronic                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        3/10 (30%)       0/0 (0%)         0/1 (0%)         0/0 (0%)         0/0 (0%)         1/10 (10%)      | 
|POLY-3 RATE (b)    |        3/10.00          0/0.00           0/0.09           0/0.00           0/0.00           1/10.00         | 
|POLY-3 PERCENT (g) |        30.0%            0.0%             0.0%             0.0%             0.0%             10.0%           | 
|TERMINAL (d)       |        3/10 (30%)       0/0 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         1/10 (10%)      | 
|FIRST INCIDENCE    |        93 (T)           ---              ---              ---              ---              93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.207N         P=1.000N         P=1.000          P=1.000N         P=1.000N         P=0.293N        | 
|POLY 3             |        (e)              (e)              P=0.838N         (e)              (e)              P=0.292N        | 
|POLY 1.5           |        (e)              (e)              P=0.809N         (e)              (e)              P=0.292N        | 
|POLY 6             |        (e)              (e)              P=0.849N         (e)              (e)              P=0.292N        | 
|LOGISTIC REGRESSION|        P=0.207N         (e)              (e)              (e)              (e)              P=0.293N        | 
|COCH-ARM / FISHERS |        P=0.223N         P=1.000          P=0.727N         P=1.000          P=1.000          P=0.291N        | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 91001 TEST: 01                                            Page 3       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -                     O-CHLOROANILINE                    
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Heart: Myocardium                                                                                                                | 
|     Degeneration Chronic Focal                                                                                                  | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        2/10 (20%)       0/0 (0%)         0/0 (0%)         0/1 (0%)         0/0 (0%)         2/10 (20%)      | 
|POLY-3 RATE (b)    |        2/10.00          0/0.00           0/0.00           0/0.00           0/0.00           2/10.00         | 
|POLY-3 PERCENT (g) |        20.0%            0.0%             0.0%             0.0%             0.0%             20.0%           | 
|TERMINAL (d)       |        2/10 (20%)       0/0 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         2/10 (20%)      | 
|FIRST INCIDENCE    |        93 (T)           ---              ---              ---              ---              93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.607          P=1.000N         P=1.000N         P=1.000N         P=1.000N         P=0.707         | 
|POLY 3             |        (e)              (e)              (e)              P=0.882N         (e)              P=0.702         | 
|POLY 1.5           |        (e)              (e)              (e)              P=0.879N         (e)              P=0.702         | 
|POLY 6             |        (e)              (e)              (e)              P=0.882N         (e)              P=0.702         | 
|LOGISTIC REGRESSION|        P=0.607          (e)              (e)              (e)              (e)              P=0.707         | 
|COCH-ARM / FISHERS |        P=0.591          P=1.000          P=1.000          P=0.818N         P=1.000          P=0.709N        | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Heart: Myocardium                                                                                                                | 
|     Degeneration Chronic Focal                                                                                                  | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/0 (0%)         0/1 (0%)         0/0 (0%)         0/0 (0%)         1/10 (10%)      | 
|POLY-3 RATE (b)    |        0/10.00          0/0.00           0/0.09           0/0.00           0/0.00           1/10.00         | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%             10.0%           | 
|TERMINAL (d)       |        0/10 (0%)        0/0 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         1/10 (10%)      | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              ---              93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.309          (e)              (e)              (e)              (e)              P=0.500         | 
|POLY 3             |        (e)              (e)              (e)              (e)              (e)              P=0.500         | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              (e)              P=0.500         | 
|POLY 6             |        (e)              (e)              (e)              (e)              (e)              P=0.500         | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)              P=0.500         | 
|COCH-ARM / FISHERS |        P=0.289          (e)              (e)              (e)              (e)              P=0.500         | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 91001 TEST: 01                                            Page 4       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -                     O-CHLOROANILINE                    
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Kidney                                                                                                                           | 
|     Mineralization Diffuse                                                                                                      | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        9/10 (90%)       10/10 (100%)     10/10 (100%)     10/10 (100%)     10/10 (100%)     9/10 (90%)      | 
|POLY-3 RATE (b)    |        9/10.00          10/10.00         10/10.00         10/10.00         10/10.00         9/10.00         | 
|POLY-3 PERCENT (g) |        90.0%            100.0%           100.0%           100.0%           100.0%           90.0%           | 
|TERMINAL (d)       |        9/10 (90%)       10/10 (100%)     10/10 (100%)     9/9 (100%)       10/10 (100%)     9/10 (90%)      | 
|FIRST INCIDENCE    |        93 (T)           93 (T)           93 (T)           12               93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.384N         P=0.500          P=0.500          P=0.251          P=0.500          P=0.766         | 
|POLY 3             |        P=0.415N         P=0.500          P=0.500          P=0.500          P=0.500          P=0.760         | 
|POLY 1.5           |        P=0.415N         P=0.500          P=0.500          P=0.500          P=0.500          P=0.760         | 
|POLY 6             |        P=0.415N         P=0.500          P=0.500          P=0.500          P=0.500          P=0.760         | 
|LOGISTIC REGRESSION|        P=0.384N         P=0.500          P=0.500          (e)              P=0.500          P=0.766         | 
|COCH-ARM / FISHERS |        P=0.414N         P=0.500          P=0.500          P=0.500          P=0.500          P=0.763N        | 
|ORDER RESTRICTED   |        P=0.292          (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Kidney                                                                                                                           | 
|     Mineralization Diffuse                                                                                                      | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        10/10 (100%)     10/10 (100%)     9/10 (90%)       10/10 (100%)     10/10 (100%)     9/10 (90%)      | 
|POLY-3 RATE (b)    |        10/10.00         10/10.00         9/10.00          10/10.00         10/10.00         9/10.00         | 
|POLY-3 PERCENT (g) |        100.0%           100.0%           90.0%            100.0%           100.0%           90.0%           | 
|TERMINAL (d)       |        10/10 (100%)     10/10 (100%)     8/9 (89%)        10/10 (100%)     10/10 (100%)     9/10 (90%)      | 
|FIRST INCIDENCE    |        93 (T)           93 (T)           42               93 (T)           93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.239N         (e)              P=0.749N         (e)              (e)              P=0.500N        | 
|POLY 3             |        P=0.318N         (e)              P=0.500N         (e)              (e)              P=0.500N        | 
|POLY 1.5           |        P=0.318N         (e)              P=0.500N         (e)              (e)              P=0.500N        | 
|POLY 6             |        P=0.318N         (e)              P=0.500N         (e)              (e)              P=0.500N        | 
|LOGISTIC REGRESSION|        P=0.239N         (e)              (e)              (e)              (e)              P=0.500N        | 
|COCH-ARM / FISHERS |        P=0.315N         (e)              P=0.500N         (e)              (e)              P=0.500N        | 
|ORDER RESTRICTED   |        P=0.191N         (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 91001 TEST: 01                                            Page 5       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -                     O-CHLOROANILINE                    
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Kidney: Cortex                                                                                                                   | 
|     Pigmentation Diffuse Hemosiderin                                                                                            | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        10/10 (100%)    | 
|POLY-3 RATE (b)    |        0/10.00          0/10.00          0/10.00          0/9.00           0/10.00          10/10.00        | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%             100.0%          | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/9 (0%)         0/10 (0%)        10/10 (100%)    | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              ---              93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 3             |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 6             |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)              P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|ORDER RESTRICTED   |        P<0.001 **       (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Kidney: Cortex                                                                                                                   | 
|     Pigmentation Diffuse Hemosiderin                                                                                            | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        10/10 (100%)    | 
|POLY-3 RATE (b)    |        0/10.00          0/10.00          0/9.09           0/10.00          0/10.00          10/10.00        | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%             100.0%          | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/9 (0%)         0/10 (0%)        0/10 (0%)        10/10 (100%)    | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              ---              93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 3             |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 6             |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)              P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|ORDER RESTRICTED   |        P<0.001 **       (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 91001 TEST: 01                                            Page 6       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -                     O-CHLOROANILINE                    
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Liver                                                                                                                            | 
|     Pigmentation Hemosiderin                                                                                                    | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/0 (0%)         0/1 (0%)         0/1 (0%)         0/0 (0%)         10/10 (100%)    | 
|POLY-3 RATE (b)    |        0/10.00          0/0.00           0/1.00           0/0.00           0/0.00           10/10.00        | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%             100.0%          | 
|TERMINAL (d)       |        0/10 (0%)        0/0 (0%)         0/1 (0%)         0/0 (0%)         0/0 (0%)         10/10 (100%)    | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              ---              93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 3             |        (e)              (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 6             |        (e)              (e)              (e)              (e)              (e)              P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)              P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Liver                                                                                                                            | 
|     Pigmentation Hemosiderin                                                                                                    | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/0 (0%)         0/1 (0%)         0/0 (0%)         0/0 (0%)         10/10 (100%)    | 
|POLY-3 RATE (b)    |        0/10.00          0/0.00           0/0.09           0/0.00           0/0.00           10/10.00        | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%             100.0%          | 
|TERMINAL (d)       |        0/10 (0%)        0/0 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         10/10 (100%)    | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              ---              93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 3             |        (e)              (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 6             |        (e)              (e)              (e)              (e)              (e)              P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)              P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 91001 TEST: 01                                            Page 7       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -                     O-CHLOROANILINE                    
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Preputial Gland                                                                                                                  | 
|     Inflammation Chronic                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        6/10 (60%)       0/0 (0%)         0/0 (0%)         0/1 (0%)         0/0 (0%)         6/10 (60%)      | 
|POLY-3 RATE (b)    |        6/10.00          0/0.00           0/0.00           0/0.00           0/0.00           6/10.00         | 
|POLY-3 PERCENT (g) |        60.0%            0.0%             0.0%             0.0%             0.0%             60.0%           | 
|TERMINAL (d)       |        6/10 (60%)       0/0 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         6/10 (60%)      | 
|FIRST INCIDENCE    |        93 (T)           ---              ---              ---              ---              93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.588          P=1.000N         P=1.000N         P=1.000N         P=1.000N         P=0.672         | 
|POLY 3             |        (e)              (e)              (e)              P=0.833N         (e)              P=0.667         | 
|POLY 1.5           |        (e)              (e)              (e)              P=0.821N         (e)              P=0.667         | 
|POLY 6             |        (e)              (e)              (e)              P=0.834N         (e)              P=0.667         | 
|LOGISTIC REGRESSION|        P=0.588          (e)              (e)              (e)              (e)              P=0.672         | 
|COCH-ARM / FISHERS |        P=0.538          P=1.000          P=1.000          P=0.455N         P=1.000          P=0.675N        | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Preputial Gland                                                                                                                  | 
|     Inflammation Chronic                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |                                                                                                             | 
|POLY-3 RATE (b)    |                                                                                                             | 
|POLY-3 PERCENT (g) |                                                                                                             | 
|TERMINAL (d)       |                                                                                                             | 
|FIRST INCIDENCE    |                                                                                                             | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |                                                                                                             | 
|POLY 3             |                                                                                                             | 
|POLY 1.5           |                                                                                                             | 
|POLY 6             |                                                                                                             | 
|LOGISTIC REGRESSION|                                                                                                             | 
|COCH-ARM / FISHERS |                                                                                                             | 
|ORDER RESTRICTED   |                                                                                                             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 91001 TEST: 01                                            Page 8       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -                     O-CHLOROANILINE                    
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Spleen                                                                                                                           | 
|     Hematopoietic Cell Proliferation                                                                                            | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        10/10 (100%)     10/10 (100%)    | 
|POLY-3 RATE (b)    |        0/10.00          0/10.00          0/10.00          0/9.00           10/10.00         10/10.00        | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             100.0%           100.0%          | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/9 (0%)         10/10 (100%)     10/10 (100%)    | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 3             |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 6             |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|ORDER RESTRICTED   |        P<0.001 **       (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Spleen                                                                                                                           | 
|     Hematopoietic Cell Proliferation                                                                                            | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        10/10 (100%)     10/10 (100%)    | 
|POLY-3 RATE (b)    |        0/10.00          0/10.00          0/9.09           0/10.00          10/10.00         10/10.00        | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             100.0%           100.0%          | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/9 (0%)         0/10 (0%)        10/10 (100%)     10/10 (100%)    | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 3             |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 6             |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|ORDER RESTRICTED   |        P<0.001 **       (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 91001 TEST: 01                                            Page 9       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -                     O-CHLOROANILINE                    
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Spleen                                                                                                                           | 
|     Pigmentation Hemosiderin                                                                                                    | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        9/10 (90%)      | 
|POLY-3 RATE (b)    |        0/10.00          0/10.00          0/10.00          0/9.00           0/10.00          9/10.00         | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%             90.0%           | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/9 (0%)         0/10 (0%)        9/10 (90%)      | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              ---              93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 3             |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|POLY 6             |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)              P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              (e)              P<0.001 **      | 
|ORDER RESTRICTED   |        P<0.001 **       (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Spleen                                                                                                                           | 
|     Pigmentation Hemosiderin                                                                                                    | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        9/10 (90%)       9/10 (90%)      | 
|POLY-3 RATE (b)    |        0/10.00          0/10.00          0/9.09           0/10.00          9/10.00          9/10.00         | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             90.0%            90.0%           | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/9 (0%)         0/10 (0%)        9/10 (90%)       9/10 (90%)      | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 3             |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 6             |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|ORDER RESTRICTED   |        P<0.001 **       (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 91001 TEST: 01                                            Page 10      
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -                     O-CHLOROANILINE                    
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Spleen: Capsule                                                                                                                  | 
|     Fibrosis                                                                                                                    | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        10/10 (100%)     9/10 (90%)      | 
|POLY-3 RATE (b)    |        0/10.00          0/10.00          0/10.00          0/9.00           10/10.00         9/10.00         | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             100.0%           90.0%           | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/9 (0%)         10/10 (100%)     9/10 (90%)      | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 3             |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 6             |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|ORDER RESTRICTED   |        P<0.001 **       (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        0 MG/KG          10 MG/KG         20 MG/KG         40 MG/KG         80 MG/KG         160             | 
|                   |                                                                                             MG/KG           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Spleen: Capsule                                                                                                                  | 
|     Fibrosis                                                                                                                    | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        10/10 (100%)     10/10 (100%)    | 
|POLY-3 RATE (b)    |        0/10.00          0/10.00          0/9.09           0/10.00          10/10.00         10/10.00        | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             100.0%           100.0%          | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/9 (0%)         0/10 (0%)        10/10 (100%)     10/10 (100%)    | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 3             |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 6             |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|ORDER RESTRICTED   |        P<0.001 **       (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
(a)  Number of tumor-bearing animals /  number of animals examined at site.                                                         
(b)  Number of tumor-bearing animals / Poly-3 number                                                                                
(d)  Observed incidence at terminal kill.                                                                                           
(f)  Beneath the control incidence are the P-values associated with the trend                                                       
test.  Beneath the dosed group incidence are the P-values corresponding to                                                          
pairwise comparisons between the controls and that dosed group.  The life                                                           
table analysis regards tumors in animals dying prior to  terminal kill as                                                           
 being (directly or indirectly) the cause of death.                                                                                 
Logistic regression is an alternative                                                                                               
 method for analyzing the incidence of non-fatal tumors. The Cochran-Armitage                                                       
and Fishers exact tests compare directly the overall incidence rates                                                                
For all tests a negative trend is indicated by N                                                                                    
(e)  Value of Statistic cannot be computed.                                                                                         
(g)  Poly-3 adjusted lifetime tumor incidence.                                                                                      
(I)  Interim sacrifice                                                                                                              
(T)  Terminal sacrifice                                                                                                             
#   Tumor rates based on number of animals necropsied.                                                                              
*   To the right of any statistical result, indicates significance at (P<=0.05).                                                    
**  To the right of any statistical result, indicates significance at (P<=0.01).