https://ntp.niehs.nih.gov/go/16126

TDMS Study 88139-05 Pathology Tables

NTP                                    STATISTICAL ANALYSIS OF NON-NEOPLASTIC LESIONS                          REPORT: PEIRPT10     
LAB: BIORELIANCE                                    BENZYLTRIMETHYL AMMONIUM CHLORIDE                          DATE: 10/25/04       
EXPERIMENT: 88139 TEST: 05                                                                                     TIME: 10:34:54       
TEST TYPE:  SUBCHRON 90-DAY                                                                                    PAGE:       1        
CONT: NO1-ES-15319                              ROUTE: GAVAGE                                                  NTP C#: 88139C       
PATHOLOGIST: MISSING                                                                                           CAS: 56-93-9         
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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: BIORELIANCE                                    BENZYLTRIMETHYL AMMONIUM CHLORIDE                          DATE: 10/25/04       
EXPERIMENT: 88139 TEST: 05                                                                                     TIME: 10:34:54       
TEST TYPE:  SUBCHRON 90-DAY                                                                                                         
CONT: NO1-ES-15319                              ROUTE: GAVAGE                                                  NTP C#: 88139C       
PATHOLOGIST: MISSING                                                                                           CAS: 56-93-9         
SUMMARY OF STATISTICALLY SIGNIFICANT (P<=.05) RESULTS                                                                               
IN THE ANALYSIS OF            BENZYLTRIMETHYL AMMONIUM CHLORI                                                                       
===============================================================                                                                     
Male Rats                                                                                                                           
------------                                                                                                                        
Organ                                 Morphology                                                                                    
-----                                 ----------                                                                                    
Lung                                   Inflammation Focal                                                                           
===============================================================                                                                     
Female Rats                                                                                                                         
------------                                                                                                                        
Organ                                  Morphology                                                                                   
-----                                  ----------                                                                                   
Uterus                                 Cyst                                                                                         
Uterus: Bilateral                      Cyst                                                                                         
===============================================================                                                                     
       Date:  10/25/04                           EXPERIMENT: 88139 TEST: 05                                            Page 1       
Statistical Analysis of Non-neoplastic Lesions in        Rats(FISCHER 344)  -             BENZYLTRIMETHYL AMMONIUM CHLORI           
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Heart                                                                                                                            | 
|     Inflammation Focal                                                                                                          | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        8/10 (80%)       0/0 (0%)         0/0 (0%)         0/0 (0%)         5/10 (50%)                       | 
|POLY-3 RATE (b)    |        8/10.00          0/0.00           0/0.00           0/0.00           5/10.00                          | 
|POLY-3 PERCENT (g) |        80.0%            0.0%             0.0%             0.0%             50.0%                            | 
|TERMINAL (d)       |        8/10 (80%)       0/0 (0%)         0/0 (0%)         0/0 (0%)         5/10 (50%)                       | 
|FIRST INCIDENCE    |        92 (T)           ---              ---              ---              92 (T)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.127N         P=1.000          P=1.000N         P=1.000          P=0.180N                         | 
|POLY 3             |        (e)              (e)              (e)              (e)              P=0.174N                         | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              P=0.174N                         | 
|POLY 6             |        (e)              (e)              (e)              (e)              P=0.174N                         | 
|LOGISTIC REGRESSION|        P=0.127N         (e)              (e)              (e)              P=0.180N                         | 
|COCH-ARM / FISHERS |        P=0.121N         P=1.000          P=1.000          P=1.000          P=0.175N                         | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Heart                                                                                                                            | 
|     Inflammation Focal                                                                                                          | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        5/10 (50%)       0/0 (0%)         1/1 (100%)       0/0 (0%)         4/10 (40%)                       | 
|POLY-3 RATE (b)    |        5/10.00          0/0.00           1/1.00           0/0.00           4/9.18                           | 
|POLY-3 PERCENT (g) |        50.0%            0.0%             100.0%           0.0%             43.6%                            | 
|TERMINAL (d)       |        5/10 (50%)       0/0 (0%)         0/0 (0%)         0/0 (0%)         4/8 (50%)                        | 
|FIRST INCIDENCE    |        92 (T)           ---              83               ---              92 (T)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.548N         P=1.000          P=0.500          P=1.000N         P=0.678                          | 
|POLY 3             |        (e)              (e)              P=0.536          (e)              P=0.568N                         | 
|POLY 1.5           |        (e)              (e)              P=0.536          (e)              P=0.538N                         | 
|POLY 6             |        (e)              (e)              P=0.536          (e)              P=0.606N                         | 
|LOGISTIC REGRESSION|        P=0.448N         (e)              (e)              (e)              P=0.678                          | 
|COCH-ARM / FISHERS |        P=0.367N         P=1.000          P=0.545          P=1.000          P=0.500N                         | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/25/04                           EXPERIMENT: 88139 TEST: 05                                            Page 2       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -             BENZYLTRIMETHYL AMMONIUM CHLORI            
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Liver                                                                                                                            | 
|     Inflammation Focal                                                                                                          | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        4/10 (40%)       0/2 (0%)         0/0 (0%)         0/0 (0%)         5/10 (50%)                       | 
|POLY-3 RATE (b)    |        4/10.00          0/2.00           0/0.00           0/0.00           5/10.00                          | 
|POLY-3 PERCENT (g) |        40.0%            0.0%             0.0%             0.0%             50.0%                            | 
|TERMINAL (d)       |        4/10 (40%)       0/2 (0%)         0/0 (0%)         0/0 (0%)         5/10 (50%)                       | 
|FIRST INCIDENCE    |        92 (T)           ---              ---              ---              92 (T)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.315          P=0.397N         P=1.000N         P=1.000          P=0.500                          | 
|POLY 3             |        (e)              P=0.396N         (e)              (e)              P=0.500                          | 
|POLY 1.5           |        (e)              P=0.396N         (e)              (e)              P=0.500                          | 
|POLY 6             |        (e)              P=0.396N         (e)              (e)              P=0.500                          | 
|LOGISTIC REGRESSION|        P=0.315          (e)              (e)              (e)              P=0.500                          | 
|COCH-ARM / FISHERS |        P=0.311          P=0.424N         P=1.000          P=1.000          P=0.500                          | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Liver                                                                                                                            | 
|     Inflammation Focal                                                                                                          | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        5/10 (50%)       0/1 (0%)         0/1 (0%)         0/0 (0%)         4/10 (40%)                       | 
|POLY-3 RATE (b)    |        5/10.00          0/1.00           0/0.73           0/0.00           4/9.18                           | 
|POLY-3 PERCENT (g) |        50.0%            0.0%             0.0%             0.0%             43.6%                            | 
|TERMINAL (d)       |        5/10 (50%)       0/1 (0%)         0/0 (0%)         0/0 (0%)         4/8 (50%)                        | 
|FIRST INCIDENCE    |        92 (T)           ---              ---              ---              92 (T)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.536          P=0.536N         P=1.000N         P=1.000N         P=0.678                          | 
|POLY 3             |        (e)              P=0.536N         P=0.623N         (e)              P=0.568N                         | 
|POLY 1.5           |        (e)              P=0.536N         P=0.583N         (e)              P=0.538N                         | 
|POLY 6             |        (e)              P=0.536N         P=0.685N         (e)              P=0.606N                         | 
|LOGISTIC REGRESSION|        P=0.536          (e)              (e)              (e)              P=0.678                          | 
|COCH-ARM / FISHERS |        P=0.502N         P=0.545N         P=0.545N         P=1.000          P=0.500N                         | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/25/04                           EXPERIMENT: 88139 TEST: 05                                            Page 3       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -             BENZYLTRIMETHYL AMMONIUM CHLORI            
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Lung                                                                                                                             | 
|     Inflammation Focal                                                                                                          | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        6/10 (60%)       0/0 (0%)         0/0 (0%)         1/10 (10%)       5/10 (50%)                       | 
|POLY-3 RATE (b)    |        6/10.00          0/0.00           0/0.00           1/10.00          5/10.00                          | 
|POLY-3 PERCENT (g) |        60.0%            0.0%             0.0%             10.0%            50.0%                            | 
|TERMINAL (d)       |        6/10 (60%)       0/0 (0%)         0/0 (0%)         1/10 (10%)       5/10 (50%)                       | 
|FIRST INCIDENCE    |        92 (T)           ---              ---              92 (T)           92 (T)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.411N         P=1.000N         P=1.000N         P=0.034N*        P=0.500N                         | 
|POLY 3             |        (e)              (e)              (e)              P=0.018N*        P=0.500N                         | 
|POLY 1.5           |        (e)              (e)              (e)              P=0.018N*        P=0.500N                         | 
|POLY 6             |        (e)              (e)              (e)              P=0.018N*        P=0.500N                         | 
|LOGISTIC REGRESSION|        P=0.411N         (e)              (e)              P=0.034N*        P=0.500N                         | 
|COCH-ARM / FISHERS |        P=0.410N         P=1.000          P=1.000          P=0.029N*        P=0.500N                         | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Lung                                                                                                                             | 
|     Inflammation Focal                                                                                                          | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        3/10 (30%)       0/0 (0%)         1/1 (100%)       3/10 (30%)       6/10 (60%)                       | 
|POLY-3 RATE (b)    |        3/10.00          0/0.00           1/1.00           3/10.00          6/10.00                          | 
|POLY-3 PERCENT (g) |        30.0%            0.0%             100.0%           30.0%            60.0%                            | 
|TERMINAL (d)       |        3/10 (30%)       0/0 (0%)         0/0 (0%)         3/10 (30%)       4/8 (50%)                        | 
|FIRST INCIDENCE    |        92 (T)           ---              83               92 (T)           70                               | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.070          P=1.000N         P=0.500          P=0.683          P=0.133                          | 
|POLY 3             |        (e)              (e)              P=0.384          P=0.678          P=0.186                          | 
|POLY 1.5           |        (e)              (e)              P=0.384          P=0.678          P=0.186                          | 
|POLY 6             |        (e)              (e)              P=0.384          P=0.678          P=0.186                          | 
|LOGISTIC REGRESSION|        P=0.070          (e)              (e)              P=0.683          (e)                              | 
|COCH-ARM / FISHERS |        P=0.160          P=1.000          P=0.364          P=0.686N         P=0.185                          | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/25/04                           EXPERIMENT: 88139 TEST: 05                                            Page 4       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -             BENZYLTRIMETHYL AMMONIUM CHLORI            
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Nose                                                                                                                             | 
|     Inflammation                                                                                                                | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        2/10 (20%)       0/0 (0%)         0/0 (0%)         0/0 (0%)         0/10 (0%)                        | 
|POLY-3 RATE (b)    |        2/10.00          0/0.00           0/0.00           0/0.00           0/10.00                          | 
|POLY-3 PERCENT (g) |        20.0%            0.0%             0.0%             0.0%             0.0%                             | 
|TERMINAL (d)       |        2/10 (20%)       0/0 (0%)         0/0 (0%)         0/0 (0%)         0/10 (0%)                        | 
|FIRST INCIDENCE    |        92 (T)           ---              ---              ---              ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.138N         P=1.000N         P=1.000N         P=1.000N         P=0.234N                         | 
|POLY 3             |        (e)              (e)              (e)              (e)              P=0.227N                         | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              P=0.227N                         | 
|POLY 6             |        (e)              (e)              (e)              (e)              P=0.227N                         | 
|LOGISTIC REGRESSION|        P=0.138N         (e)              (e)              (e)              (e)                              | 
|COCH-ARM / FISHERS |        P=0.132N         P=1.000          P=1.000          P=1.000          P=0.237N                         | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Nose                                                                                                                             | 
|     Inflammation                                                                                                                | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        0/0 (0%)         0/0 (0%)         0/0 (0%)         0/10 (0%)                        | 
|POLY-3 RATE (b)    |        0/10.00          0/0.00           0/0.00           0/0.00           0/9.18                           | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%                             | 
|TERMINAL (d)       |        0/10 (0%)        0/0 (0%)         0/0 (0%)         0/0 (0%)         0/8 (0%)                         | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        (e)              (e)              (e)              (e)              (e)                              | 
|POLY 3             |        (e)              (e)              (e)              (e)              (e)                              | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              (e)                              | 
|POLY 6             |        (e)              (e)              (e)              (e)              (e)                              | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)                              | 
|COCH-ARM / FISHERS |        (e)              (e)              (e)              (e)              (e)                              | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/25/04                           EXPERIMENT: 88139 TEST: 05                                            Page 5       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -             BENZYLTRIMETHYL AMMONIUM CHLORI            
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Spleen                                                                                                                           | 
|     Hematopoietic Cell Proliferation                                                                                            | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        3/10 (30%)       0/0 (0%)         0/0 (0%)         0/0 (0%)         4/10 (40%)                       | 
|POLY-3 RATE (b)    |        3/10.00          0/0.00           0/0.00           0/0.00           4/10.00                          | 
|POLY-3 PERCENT (g) |        30.0%            0.0%             0.0%             0.0%             40.0%                            | 
|TERMINAL (d)       |        3/10 (30%)       0/0 (0%)         0/0 (0%)         0/0 (0%)         4/10 (40%)                       | 
|FIRST INCIDENCE    |        92 (T)           ---              ---              ---              92 (T)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.410          P=1.000N         P=1.000N         P=1.000N         P=0.500                          | 
|POLY 3             |        (e)              (e)              (e)              (e)              P=0.500                          | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              P=0.500                          | 
|POLY 6             |        (e)              (e)              (e)              (e)              P=0.500                          | 
|LOGISTIC REGRESSION|        P=0.410          (e)              (e)              (e)              P=0.500                          | 
|COCH-ARM / FISHERS |        P=0.407          P=1.000          P=1.000          P=1.000          P=0.500                          | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Spleen                                                                                                                           | 
|     Hematopoietic Cell Proliferation                                                                                            | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        1/10 (10%)       0/0 (0%)         1/1 (100%)       0/0 (0%)         0/10 (0%)                        | 
|POLY-3 RATE (b)    |        1/10.00          0/0.00           1/1.00           0/0.00           0/9.18                           | 
|POLY-3 PERCENT (g) |        10.0%            0.0%             100.0%           0.0%             0.0%                             | 
|TERMINAL (d)       |        1/10 (10%)       0/0 (0%)         0/0 (0%)         0/0 (0%)         0/8 (0%)                         | 
|FIRST INCIDENCE    |        92 (T)           ---              83               ---              ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.306N         P=1.000          P=0.500          P=1.000          P=0.545N                         | 
|POLY 3             |        (e)              (e)              P=0.146          (e)              P=0.517N                         | 
|POLY 1.5           |        (e)              (e)              P=0.146          (e)              P=0.510N                         | 
|POLY 6             |        (e)              (e)              P=0.146          (e)              P=0.527N                         | 
|LOGISTIC REGRESSION|        P=0.157N         (e)              (e)              (e)              (e)                              | 
|COCH-ARM / FISHERS |        P=0.235N         P=1.000          P=0.182          P=1.000          P=0.500N                         | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/25/04                           EXPERIMENT: 88139 TEST: 05                                            Page 6       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -             BENZYLTRIMETHYL AMMONIUM CHLORI            
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Thyroid Gland: Follicle                                                                                                          | 
|     Cyst                                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        2/10 (20%)       0/0 (0%)         0/0 (0%)         0/0 (0%)         1/10 (10%)                       | 
|POLY-3 RATE (b)    |        2/10.00          0/0.00           0/0.00           0/0.00           1/10.00                          | 
|POLY-3 PERCENT (g) |        20.0%            0.0%             0.0%             0.0%             10.0%                            | 
|TERMINAL (d)       |        2/10 (20%)       0/0 (0%)         0/0 (0%)         0/0 (0%)         1/10 (10%)                       | 
|FIRST INCIDENCE    |        92 (T)           ---              ---              ---              92 (T)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.380N         P=1.000N         P=1.000N         P=1.000N         P=0.500N                         | 
|POLY 3             |        (e)              (e)              (e)              (e)              P=0.500N                         | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              P=0.500N                         | 
|POLY 6             |        (e)              (e)              (e)              (e)              P=0.500N                         | 
|LOGISTIC REGRESSION|        P=0.380N         (e)              (e)              (e)              P=0.500N                         | 
|COCH-ARM / FISHERS |        P=0.377N         P=1.000          P=1.000          P=1.000          P=0.500N                         | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Thyroid Gland: Follicle                                                                                                          | 
|     Cyst                                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        1/10 (10%)       0/0 (0%)         0/1 (0%)         0/0 (0%)         0/10 (0%)                        | 
|POLY-3 RATE (b)    |        1/10.00          0/0.00           0/0.73           0/0.00           0/9.18                           | 
|POLY-3 PERCENT (g) |        10.0%            0.0%             0.0%             0.0%             0.0%                             | 
|TERMINAL (d)       |        1/10 (10%)       0/0 (0%)         0/0 (0%)         0/0 (0%)         0/8 (0%)                         | 
|FIRST INCIDENCE    |        92 (T)           ---              ---              ---              ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.348N         P=1.000N         P=1.000N         P=1.000N         P=0.545N                         | 
|POLY 3             |        (e)              (e)              P=0.923N         (e)              P=0.517N                         | 
|POLY 1.5           |        (e)              (e)              P=0.919N         (e)              P=0.510N                         | 
|POLY 6             |        (e)              (e)              P=0.930N         (e)              P=0.527N                         | 
|LOGISTIC REGRESSION|        P=0.348N         (e)              (e)              (e)              (e)                              | 
|COCH-ARM / FISHERS |        P=0.310N         P=1.000          P=0.909N         P=1.000          P=0.500N                         | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/25/04                           EXPERIMENT: 88139 TEST: 05                                            Page 7       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -             BENZYLTRIMETHYL AMMONIUM CHLORI            
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Uterus                                                                                                                           | 
|     Cyst                                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|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               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Uterus                                                                                                                           | 
|     Cyst                                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        2/2 (100%)       0/1 (0%)         1/1 (100%)       0/10 (0%)                        | 
|POLY-3 RATE (b)    |        0/10.00          2/2.00           0/0.73           1/1.00           0/9.18                           | 
|POLY-3 PERCENT (g) |        0.0%             100.0%           0.0%             100.0%           0.0%                             | 
|TERMINAL (d)       |        0/10 (0%)        2/2 (100%)       0/0 (0%)         1/1 (100%)       0/8 (0%)                         | 
|FIRST INCIDENCE    |        ---              92 (T)           ---              92 (T)           ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.373N         P=0.010 *        (e)              P=0.077          (e)                              | 
|POLY 3             |        P<0.001N**       P=0.015N*        (e)              P=0.091N         (e)                              | 
|POLY 1.5           |        P<0.001N**       P=0.015N*        (e)              P=0.091N         (e)                              | 
|POLY 6             |        P<0.001N**       P=0.015N*        (e)              P=0.091N         (e)                              | 
|LOGISTIC REGRESSION|        (e)              P=0.010 *        (e)              P=0.077          (e)                              | 
|COCH-ARM / FISHERS |        P=0.311N         P=0.015 *        (e)              P=0.091          (e)                              | 
|ORDER RESTRICTED   |        P=0.011 *        (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/25/04                           EXPERIMENT: 88139 TEST: 05                                            Page 8       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -             BENZYLTRIMETHYL AMMONIUM CHLORI            
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Uterus                                                                                                                           | 
|     Dilatation                                                                                                                  | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|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               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Uterus                                                                                                                           | 
|     Dilatation                                                                                                                  | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        2/10 (20%)       0/2 (0%)         0/1 (0%)         0/1 (0%)         2/10 (20%)                       | 
|POLY-3 RATE (b)    |        2/10.00          0/2.00           0/0.73           0/1.00           2/9.18                           | 
|POLY-3 PERCENT (g) |        20.0%            0.0%             0.0%             0.0%             21.8%                            | 
|TERMINAL (d)       |        2/10 (20%)       0/2 (0%)         0/0 (0%)         0/1 (0%)         2/8 (25%)                        | 
|FIRST INCIDENCE    |        92 (T)           ---              ---              ---              92 (T)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.462          P=0.630N         P=1.000N         P=0.795N         P=0.621                          | 
|POLY 3             |        P=0.507          P=0.627N         P=0.816N         P=0.786N         P=0.671                          | 
|POLY 1.5           |        P=0.519          P=0.627N         P=0.802N         P=0.786N         P=0.685                          | 
|POLY 6             |        P=0.490          P=0.627N         P=0.836N         P=0.786N         P=0.652                          | 
|LOGISTIC REGRESSION|        P=0.462          (e)              (e)              (e)              P=0.621                          | 
|COCH-ARM / FISHERS |        P=0.539          P=0.682N         P=0.818N         P=0.818N         P=0.709N                         | 
|ORDER RESTRICTED   |        P=0.489          (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/25/04                           EXPERIMENT: 88139 TEST: 05                                            Page 9       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -             BENZYLTRIMETHYL AMMONIUM CHLORI            
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Uterus: Bilateral                                                                                                                | 
|     Cyst                                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|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               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Uterus: Bilateral                                                                                                                | 
|     Cyst                                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/10 (0%)        2/2 (100%)       0/1 (0%)         1/1 (100%)       0/10 (0%)                        | 
|POLY-3 RATE (b)    |        0/10.00          2/2.00           0/0.73           1/1.00           0/9.18                           | 
|POLY-3 PERCENT (g) |        0.0%             100.0%           0.0%             100.0%           0.0%                             | 
|TERMINAL (d)       |        0/10 (0%)        2/2 (100%)       0/0 (0%)         1/1 (100%)       0/8 (0%)                         | 
|FIRST INCIDENCE    |        ---              92 (T)           ---              92 (T)           ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.373N         P=0.010 *        (e)              P=0.077          (e)                              | 
|POLY 3             |        P<0.001N**       P=0.015N*        (e)              P=0.091N         (e)                              | 
|POLY 1.5           |        P<0.001N**       P=0.015N*        (e)              P=0.091N         (e)                              | 
|POLY 6             |        P<0.001N**       P=0.015N*        (e)              P=0.091N         (e)                              | 
|LOGISTIC REGRESSION|        (e)              P=0.010 *        (e)              P=0.077          (e)                              | 
|COCH-ARM / FISHERS |        P=0.311N         P=0.015 *        (e)              P=0.091          (e)                              | 
|ORDER RESTRICTED   |        P=0.011 *        (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/25/04                           EXPERIMENT: 88139 TEST: 05                                            Page 10      
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -             BENZYLTRIMETHYL AMMONIUM CHLORI            
                                         Terminal Sacrifice at 14 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Uterus: Bilateral                                                                                                                | 
|     Dilatation                                                                                                                  | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|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               |        CONTROL          12.5             25.0             50.0             100.0                            | 
|                   |                         MG/KG            MG/KG            MG/KG            MG/KG                            | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Uterus: Bilateral                                                                                                                | 
|     Dilatation                                                                                                                  | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        2/10 (20%)       0/2 (0%)         0/1 (0%)         0/1 (0%)         2/10 (20%)                       | 
|POLY-3 RATE (b)    |        2/10.00          0/2.00           0/0.73           0/1.00           2/9.18                           | 
|POLY-3 PERCENT (g) |        20.0%            0.0%             0.0%             0.0%             21.8%                            | 
|TERMINAL (d)       |        2/10 (20%)       0/2 (0%)         0/0 (0%)         0/1 (0%)         2/8 (25%)                        | 
|FIRST INCIDENCE    |        92 (T)           ---              ---              ---              92 (T)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.462          P=0.630N         P=1.000N         P=0.795N         P=0.621                          | 
|POLY 3             |        P=0.507          P=0.627N         P=0.816N         P=0.786N         P=0.671                          | 
|POLY 1.5           |        P=0.519          P=0.627N         P=0.802N         P=0.786N         P=0.685                          | 
|POLY 6             |        P=0.490          P=0.627N         P=0.836N         P=0.786N         P=0.652                          | 
|LOGISTIC REGRESSION|        P=0.462          (e)              (e)              (e)              P=0.621                          | 
|COCH-ARM / FISHERS |        P=0.539          P=0.682N         P=0.818N         P=0.818N         P=0.709N                         | 
|ORDER RESTRICTED   |        P=0.489          (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).