https://ntp.niehs.nih.gov/go/17261

TDMS Study 61529-02 Pathology Tables

NTP                                    STATISTICAL ANALYSIS OF NON-NEOPLASTIC LESIONS                          REPORT: PEIRPT10     
LAB: Battelle Columbus                                      M-CHLOROANILINE                                    DATE: 10/20/04       
EXPERIMENT: 61529 TEST: 02                                                                                     TIME: 11:22:27       
TEST TYPE:  SUBCHRON 90-DAY                                                                                    PAGE:       1        
CONT: N01-ES-15320                              ROUTE: GAVAGE                                                  NTP C#: 61529B       
PATHOLOGIST: RYAN, M.                                                                                          CAS: 108-42-09       
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               REASONS FOR REMOVAL:    ALL                                                                                          
               REMOVAL DATE RANGE:     ALL                                                                                          
               TREATMENT GROUPS:       INCLUDE ALL                                                                                  
NTP                                    STATISTICAL ANALYSIS OF NON-NEOPLASTIC LESIONS                          REPORT: PEIRPT10     
LAB: Battelle Columbus                                      M-CHLOROANILINE                                    DATE: 10/20/04       
EXPERIMENT: 61529 TEST: 02                                                                                     TIME: 11:22:27       
TEST TYPE:  SUBCHRON 90-DAY                                                                                                         
CONT: N01-ES-15320                              ROUTE: GAVAGE                                                  NTP C#: 61529B       
PATHOLOGIST: RYAN, M.                                                                                          CAS: 108-42-09       
SUMMARY OF STATISTICALLY SIGNIFICANT (P<=.05) RESULTS                                                                               
IN THE ANALYSIS OF                    M-CHLOROANILINE                                                                               
===============================================================                                                                     
Male Mice                                                                                                                           
------------                                                                                                                        
Organ                                 Morphology                                                                                    
-----                                 ----------                                                                                    
Bone Marrow                            Pigmentation Hemosiderin                                                                     
Bone Marrow: Erythroid Cell            Hyperplasia                                                                                  
Heart                                  Inflammation                                                                                 
Liver                                  Hematopoietic Cell Proliferation                                                             
Liver: Kupffer Cell                    Pigmentation                                                                                 
Lung: Serosa                           Inflammation                                                                                 
Spleen                                 Hematopoietic Cell Proliferation                                                             
                                       Pigmentation Hemosiderin                                                                     
===============================================================                                                                     
Female Mice                                                                                                                         
------------                                                                                                                        
Organ                                  Morphology                                                                                   
-----                                  ----------                                                                                   
Bone Marrow                            Pigmentation Hemosiderin                                                                     
Bone Marrow: Erythroid Cell            Hyperplasia                                                                                  
Kidney                                 Pigmentation                                                                                 
Liver                                  Hematopoietic Cell Proliferation                                                             
Liver: Kupffer Cell                    Pigmentation                                                                                 
Lung                                   Foreign Body                                                                                 
Lung: Serosa                           Inflammation                                                                                 
Spleen                                 Hematopoietic Cell Proliferation                                                             
                                       Pigmentation Hemosiderin                                                                     
===============================================================                                                                     
       Date:  10/20/04                           EXPERIMENT: 61529 TEST: 02                                            Page 1       
                     Statistical Analysis of Non-neoplastic Lesions in        Mice(B6C3F1)  -                     M-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                                                                                                                      | 
|     Pigmentation Hemosiderin                                                                                                    | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/10 (0%)        0/10 (0%)        10/10 (100%)     10/10 (100%)     10/10 (100%)    | 
|POLY-3 RATE (b)    |        0/9.00           0/10.00          0/7.00           10/10.00         10/10.00         10/10.00        | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             100.0%           100.0%           100.0%          | 
|TERMINAL (d)       |        0/9 (0%)         0/10 (0%)        0/7 (0%)         10/10 (100%)     10/10 (100%)     10/10 (100%)    | 
|FIRST INCIDENCE    |        ---              ---              ---              93 (T)           93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 3             |        P<0.001 **       (e)              (e)              P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       (e)              (e)              P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 6             |        P<0.001 **       (e)              (e)              P<0.001 **       P<0.001 **       P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              P<0.001 **       P<0.001 **       P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              P<0.001 **       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                                                                                                                      | 
|     Pigmentation Hemosiderin                                                                                                    | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        4/10 (40%)       8/10 (80%)       7/10 (70%)       10/10 (100%)     9/10 (90%)      | 
|POLY-3 RATE (b)    |        0/9.00           4/9.00           8/10.00          7/8.00           10/10.00         9/9.00          | 
|POLY-3 PERCENT (g) |        0.0%             44.4%            80.0%            87.5%            100.0%           100.0%          | 
|TERMINAL (d)       |        0/9 (0%)         4/9 (44%)        8/10 (80%)       7/8 (88%)        10/10 (100%)     9/9 (100%)      | 
|FIRST INCIDENCE    |        ---              93 (T)           93 (T)           93 (T)           93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       P=0.049 *        P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 3             |        P<0.001 **       P=0.031 *        P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       P=0.031 *        P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 6             |        P<0.001 **       P=0.031 *        P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              P=0.049 *        P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       P=0.043 *        P<0.001 **       P=0.002 **       P<0.001 **       P<0.001 **      | 
|ORDER RESTRICTED   |        P<0.001 **       (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 61529 TEST: 02                                            Page 2       
                     Statistical Analysis of Non-neoplastic Lesions in       Mice(B6C3F1)  -                     M-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%)        0/10 (0%)        0/10 (0%)        4/10 (40%)      | 
|POLY-3 RATE (b)    |        0/9.00           0/10.00          0/7.00           0/10.00          0/10.00          4/10.00         | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%             40.0%           | 
|TERMINAL (d)       |        0/9 (0%)         0/10 (0%)        0/7 (0%)         0/10 (0%)        0/10 (0%)        4/10 (40%)      | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              ---              93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              (e)              (e)              P=0.063         | 
|POLY 3             |        P<0.001 **       (e)              (e)              (e)              (e)              P=0.045 *       | 
|POLY 1.5           |        P<0.001 **       (e)              (e)              (e)              (e)              P=0.045 *       | 
|POLY 6             |        P<0.001 **       (e)              (e)              (e)              (e)              P=0.045 *       | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)              P=0.063         | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              (e)              P=0.043 *       | 
|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%)        0/10 (0%)        2/10 (20%)      | 
|POLY-3 RATE (b)    |        0/9.00           0/9.00           0/10.00          0/8.00           0/10.00          2/9.00          | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%             22.2%           | 
|TERMINAL (d)       |        0/9 (0%)         0/9 (0%)         0/10 (0%)        0/8 (0%)         0/10 (0%)        2/9 (22%)       | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              ---              93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.011 *        (e)              (e)              (e)              (e)              P=0.233         | 
|POLY 3             |        P=0.008 **       (e)              (e)              (e)              (e)              P=0.225         | 
|POLY 1.5           |        P=0.008 **       (e)              (e)              (e)              (e)              P=0.225         | 
|POLY 6             |        P=0.008 **       (e)              (e)              (e)              (e)              P=0.225         | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)              P=0.227         | 
|COCH-ARM / FISHERS |        P=0.010 *        (e)              (e)              (e)              (e)              P=0.237         | 
|ORDER RESTRICTED   |        P=0.007 **       (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 61529 TEST: 02                                            Page 3       
                     Statistical Analysis of Non-neoplastic Lesions in       Mice(B6C3F1)  -                     M-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                                                                                                                            | 
|     Inflammation                                                                                                                | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/0 (0%)         2/3 (67%)        0/0 (0%)         0/0 (0%)         0/10 (0%)       | 
|POLY-3 RATE (b)    |        0/9.00           0/0.00           2/2.00           0/0.00           0/0.00           0/10.00         | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             100.0%           0.0%             0.0%             0.0%            | 
|TERMINAL (d)       |        0/9 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/10 (0%)       | 
|FIRST INCIDENCE    |        ---              ---              9                ---              ---              ---             | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.376N         (e)              P=0.210          (e)              (e)              (e)             | 
|POLY 3             |        (e)              (e)              P<0.001 **       (e)              (e)              (e)             | 
|POLY 1.5           |        (e)              (e)              P<0.001 **       (e)              (e)              (e)             | 
|POLY 6             |        (e)              (e)              P<0.001 **       (e)              (e)              (e)             | 
|LOGISTIC REGRESSION|        P=0.979          (e)              P=0.498          (e)              (e)              (e)             | 
|COCH-ARM / FISHERS |        P=0.269N         (e)              P=0.038 *        (e)              (e)              (e)             | 
|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                                                                                                                            | 
|     Inflammation                                                                                                                | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/1 (0%)         0/0 (0%)         0/2 (0%)         0/0 (0%)         0/10 (0%)       | 
|POLY-3 RATE (b)    |        0/9.00           0/0.00           0/0.00           0/0.00           0/0.00           0/9.00          | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%             0.0%            | 
|TERMINAL (d)       |        0/9 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/9 (0%)        | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              ---              ---             | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|POLY 3             |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|POLY 6             |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)              (e)             | 
|COCH-ARM / FISHERS |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 61529 TEST: 02                                            Page 4       
                     Statistical Analysis of Non-neoplastic Lesions in       Mice(B6C3F1)  -                     M-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                                                                                                                           | 
|     Pigmentation                                                                                                                | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/0 (0%)         0/3 (0%)         0/0 (0%)         0/0 (0%)         0/10 (0%)       | 
|POLY-3 RATE (b)    |        0/9.00           0/0.00           0/0.00           0/0.00           0/0.00           0/10.00         | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%             0.0%            | 
|TERMINAL (d)       |        0/9 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/10 (0%)       | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              ---              ---             | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|POLY 3             |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|POLY 6             |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)              (e)             | 
|COCH-ARM / FISHERS |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|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           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Kidney                                                                                                                           | 
|     Pigmentation                                                                                                                | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/1 (0%)         0/0 (0%)         0/2 (0%)         0/0 (0%)         6/10 (60%)      | 
|POLY-3 RATE (b)    |        0/9.00           0/0.00           0/0.00           0/0.00           0/0.00           6/9.00          | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%             66.7%           | 
|TERMINAL (d)       |        0/9 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         6/9 (67%)       | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              ---              93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.004 **       (e)              (e)              (e)              (e)              P=0.008 **      | 
|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=0.008 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              (e)              P=0.005 **      | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 61529 TEST: 02                                            Page 5       
                     Statistical Analysis of Non-neoplastic Lesions in       Mice(B6C3F1)  -                     M-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                                                                                                                            | 
|     Hematopoietic Cell Proliferation                                                                                            | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/0 (0%)         0/3 (0%)         0/0 (0%)         0/3 (0%)         8/10 (80%)      | 
|POLY-3 RATE (b)    |        0/9.00           0/0.00           0/0.00           0/0.00           0/3.00           8/10.00         | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%             80.0%           | 
|TERMINAL (d)       |        0/9 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/3 (0%)         8/10 (80%)      | 
|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                                                                                                                            | 
|     Hematopoietic Cell Proliferation                                                                                            | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/1 (0%)         0/0 (0%)         0/2 (0%)         1/9 (11%)        7/10 (70%)      | 
|POLY-3 RATE (b)    |        0/9.00           0/0.00           0/0.00           0/0.00           1/9.00           7/9.00          | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             11.1%            77.8%           | 
|TERMINAL (d)       |        0/9 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         1/9 (11%)        7/9 (78%)       | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              (e)              P=0.500          P=0.002 **      | 
|POLY 3             |        (e)              (e)              (e)              (e)              P=0.500          P<0.001 **      | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              P=0.500          P<0.001 **      | 
|POLY 6             |        (e)              (e)              (e)              (e)              P=0.500          P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              P=0.500          P=0.002 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              P=0.474          P=0.002 **      | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 61529 TEST: 02                                            Page 6       
                     Statistical Analysis of Non-neoplastic Lesions in       Mice(B6C3F1)  -                     M-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: Kupffer Cell                                                                                                              | 
|     Pigmentation                                                                                                                | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/0 (0%)         0/3 (0%)         0/0 (0%)         3/3 (100%)       9/10 (90%)      | 
|POLY-3 RATE (b)    |        0/9.00           0/0.00           0/0.00           0/0.00           3/3.00           9/10.00         | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             100.0%           90.0%           | 
|TERMINAL (d)       |        0/9 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         3/3 (100%)       9/10 (90%)      | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              (e)              (e)              P=0.005 **       P<0.001 **      | 
|POLY 3             |        (e)              (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 6             |        (e)              (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|LOGISTIC REGRESSION|        P<0.001 **       (e)              (e)              (e)              P=0.005 **       P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              (e)              (e)              P=0.003 **       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: Kupffer Cell                                                                                                              | 
|     Pigmentation                                                                                                                | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/1 (0%)         0/0 (0%)         0/2 (0%)         9/9 (100%)       9/10 (90%)      | 
|POLY-3 RATE (b)    |        0/9.00           0/0.00           0/0.00           0/0.00           9/9.00           9/9.00          | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             100.0%           100.0%          | 
|TERMINAL (d)       |        0/9 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         9/9 (100%)       9/9 (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             |        (e)              (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              P<0.001 **       P<0.001 **      | 
|POLY 6             |        (e)              (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   |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 61529 TEST: 02                                            Page 7       
                     Statistical Analysis of Non-neoplastic Lesions in       Mice(B6C3F1)  -                     M-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           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Lung                                                                                                                             | 
|     Foreign Body                                                                                                                | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        1/10 (10%)       0/0 (0%)         1/3 (33%)        0/0 (0%)         0/0 (0%)         0/10 (0%)       | 
|POLY-3 RATE (b)    |        1/10.00          0/0.00           1/1.00           0/0.00           0/0.00           0/10.00         | 
|POLY-3 PERCENT (g) |        10.0%            0.0%             99.9%            0.0%             0.0%             0.0%            | 
|TERMINAL (d)       |        0/9 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/10 (0%)       | 
|FIRST INCIDENCE    |        9                ---              9                ---              ---              ---             | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.283N         P=0.500N         P=0.743          P=0.500N         P=0.500N         P=0.500N        | 
|POLY 3             |        (e)              (e)              P=0.285          (e)              (e)              P=0.500N        | 
|POLY 1.5           |        (e)              (e)              P=0.289          (e)              (e)              P=0.500N        | 
|POLY 6             |        (e)              (e)              P=0.285          (e)              (e)              P=0.500N        | 
|LOGISTIC REGRESSION|        P=0.960N         (e)              P=0.502N         (e)              (e)              (e)             | 
|COCH-ARM / FISHERS |        P=0.210N         P=1.000          P=0.423          P=1.000          P=1.000          P=0.500N        | 
|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           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Lung                                                                                                                             | 
|     Foreign Body                                                                                                                | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/1 (0%)         0/0 (0%)         2/2 (100%)       0/0 (0%)         1/10 (10%)      | 
|POLY-3 RATE (b)    |        0/9.00           0/0.00           0/0.00           2/2.00           0/0.00           1/10.00         | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             100.0%           0.0%             10.0%           | 
|TERMINAL (d)       |        0/9 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/9 (0%)        | 
|FIRST INCIDENCE    |        ---              ---              ---              7                ---              7               | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.316          (e)              (e)              P=0.240          (e)              P=0.500         | 
|POLY 3             |        (e)              (e)              (e)              P<0.001 **       (e)              P=0.521         | 
|POLY 1.5           |        (e)              (e)              (e)              P<0.001 **       (e)              P=0.520         | 
|POLY 6             |        (e)              (e)              (e)              P<0.001 **       (e)              P=0.521         | 
|LOGISTIC REGRESSION|        P=0.215          (e)              (e)              P=0.323          (e)              P=0.250         | 
|COCH-ARM / FISHERS |        P=0.566          (e)              (e)              P=0.015 *        (e)              P=0.500         | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 61529 TEST: 02                                            Page 8       
                     Statistical Analysis of Non-neoplastic Lesions in       Mice(B6C3F1)  -                     M-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           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Lung: Serosa                                                                                                                     | 
|     Inflammation                                                                                                                | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        1/10 (10%)       0/0 (0%)         3/3 (100%)       0/0 (0%)         0/0 (0%)         0/10 (0%)       | 
|POLY-3 RATE (b)    |        1/10.00          0/0.00           3/3.00           0/0.00           0/0.00           0/10.00         | 
|POLY-3 PERCENT (g) |        10.0%            0.0%             100.0%           0.0%             0.0%             0.0%            | 
|TERMINAL (d)       |        0/9 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/10 (0%)       | 
|FIRST INCIDENCE    |        9                ---              5                ---              ---              ---             | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.160N         P=0.500N         P=0.272          P=0.500N         P=0.500N         P=0.500N        | 
|POLY 3             |        (e)              (e)              P<0.001 **       (e)              (e)              P=0.500N        | 
|POLY 1.5           |        (e)              (e)              P<0.001 **       (e)              (e)              P=0.500N        | 
|POLY 6             |        (e)              (e)              P<0.001 **       (e)              (e)              P=0.500N        | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)              (e)             | 
|COCH-ARM / FISHERS |        P=0.090N         P=1.000          P=0.014 *        P=1.000          P=1.000          P=0.500N        | 
|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           | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Lung: Serosa                                                                                                                     | 
|     Inflammation                                                                                                                | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        1/1 (100%)       0/0 (0%)         2/2 (100%)       0/0 (0%)         1/10 (10%)      | 
|POLY-3 RATE (b)    |        0/9.00           1/1.00           0/0.00           2/2.00           0/0.00           1/10.00         | 
|POLY-3 PERCENT (g) |        0.0%             100.0%           0.0%             100.0%           0.0%             10.0%           | 
|TERMINAL (d)       |        0/9 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/0 (0%)         0/9 (0%)        | 
|FIRST INCIDENCE    |        ---              7                ---              7                ---              7               | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.487          P=0.500          (e)              P=0.240          (e)              P=0.500         | 
|POLY 3             |        (e)              P<0.001 **       (e)              P<0.001 **       (e)              P=0.521         | 
|POLY 1.5           |        (e)              P<0.001 **       (e)              P<0.001 **       (e)              P=0.520         | 
|POLY 6             |        (e)              P<0.001 **       (e)              P<0.001 **       (e)              P=0.521         | 
|LOGISTIC REGRESSION|        P=0.424          P=0.250          (e)              P=0.323          (e)              P=0.250         | 
|COCH-ARM / FISHERS |        P=0.489N         P=0.091          (e)              P=0.015 *        (e)              P=0.500         | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 61529 TEST: 02                                            Page 9       
                     Statistical Analysis of Non-neoplastic Lesions in       Mice(B6C3F1)  -                     M-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%)        3/10 (30%)       10/10 (100%)     10/10 (100%)     10/10 (100%)    | 
|POLY-3 RATE (b)    |        0/9.00           0/10.00          3/8.00           10/10.00         10/10.00         10/10.00        | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             37.5%            100.0%           100.0%           100.0%          | 
|TERMINAL (d)       |        0/9 (0%)         0/10 (0%)        2/7 (29%)        10/10 (100%)     10/10 (100%)     10/10 (100%)    | 
|FIRST INCIDENCE    |        ---              ---              9                93 (T)           93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       (e)              P=0.086          P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 3             |        P<0.001 **       (e)              P=0.071          P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       (e)              P=0.071          P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 6             |        P<0.001 **       (e)              P=0.071          P<0.001 **       P<0.001 **       P<0.001 **      | 
|LOGISTIC REGRESSION|        P<0.001 **       (e)              P=0.123          P<0.001 **       P<0.001 **       P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       (e)              P=0.105          P<0.001 **       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%)        2/10 (20%)       7/10 (70%)       7/10 (70%)       10/10 (100%)     9/10 (90%)      | 
|POLY-3 RATE (b)    |        0/9.00           2/9.00           7/10.00          7/8.00           10/10.00         9/9.00          | 
|POLY-3 PERCENT (g) |        0.0%             22.2%            70.0%            87.5%            100.0%           100.0%          | 
|TERMINAL (d)       |        0/9 (0%)         2/9 (22%)        7/10 (70%)       7/8 (88%)        10/10 (100%)     9/9 (100%)      | 
|FIRST INCIDENCE    |        ---              93 (T)           93 (T)           93 (T)           93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       P=0.233          P=0.005 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 3             |        P<0.001 **       P=0.225          P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       P=0.225          P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 6             |        P<0.001 **       P=0.225          P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              P=0.227          P=0.005 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       P=0.237          P=0.002 **       P=0.002 **       P<0.001 **       P<0.001 **      | 
|ORDER RESTRICTED   |        P<0.001 **       (e)              (e)              (e)              (e)              (e)             | 
|=================================================================================================================================| 
       Date:  10/20/04                           EXPERIMENT: 61529 TEST: 02                                            Page 10      
                     Statistical Analysis of Non-neoplastic Lesions in       Mice(B6C3F1)  -                     M-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%)        1/10 (10%)       4/10 (40%)       10/10 (100%)     10/10 (100%)     10/10 (100%)    | 
|POLY-3 RATE (b)    |        0/9.00           1/10.00          4/7.00           10/10.00         10/10.00         10/10.00        | 
|POLY-3 PERCENT (g) |        0.0%             10.0%            57.1%            100.0%           100.0%           100.0%          | 
|TERMINAL (d)       |        0/9 (0%)         1/10 (10%)       4/7 (57%)        10/10 (100%)     10/10 (100%)     10/10 (100%)    | 
|FIRST INCIDENCE    |        ---              93 (T)           93 (T)           93 (T)           93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P<0.001 **       P=0.521          P=0.024 *        P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 3             |        P<0.001 **       P=0.521          P=0.010 *        P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       P=0.520          P=0.010 *        P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 6             |        P<0.001 **       P=0.521          P=0.010 *        P<0.001 **       P<0.001 **       P<0.001 **      | 
|LOGISTIC REGRESSION|        P<0.001 **       P=0.521          P=0.024 *        P<0.001 **       P<0.001 **       P<0.001 **      | 
|COCH-ARM / FISHERS |        P<0.001 **       P=0.500          P=0.043 *        P<0.001 **       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                                                                                                                           | 
|     Pigmentation Hemosiderin                                                                                                    | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        9/10 (90%)       10/10 (100%)     8/10 (80%)       10/10 (100%)     9/10 (90%)      | 
|POLY-3 RATE (b)    |        0/9.00           9/9.00           10/10.00         8/8.00           10/10.00         9/9.00          | 
|POLY-3 PERCENT (g) |        0.0%             100.0%           100.0%           100.0%           100.0%           100.0%          | 
|TERMINAL (d)       |        0/9 (0%)         9/9 (100%)       10/10 (100%)     8/8 (100%)       10/10 (100%)     9/9 (100%)      | 
|FIRST INCIDENCE    |        ---              93 (T)           93 (T)           93 (T)           93 (T)           93 (T)          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.002 **       P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 3             |        P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 1.5           |        P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|POLY 6             |        P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|LOGISTIC REGRESSION|        (e)              P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **       P<0.001 **      | 
|COCH-ARM / FISHERS |        P=0.008 **       P<0.001 **       P<0.001 **       P<0.001 **       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).