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TDMS Study 88124-02 Pathology Tables

NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54

                                                  FINAL#2,  13 WEEK SUBCHRONIC




       Facility:  Battelle Northwest

       Chemical CAS #:  22398-80-7

       Lock Date:  01/24/96

       Cage Range:  All

       Reasons For Removal:    All

       Removal Date Range:     All

       Treatment Groups:       Include All




































                                                              Page   1



NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |      A     |
    CONTROL                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Gallbladder                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Inflammation, Focal                  |    1           1     1                                                   |      3  1.0|

                                            __________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       | M  +  +  +  M  M  M  M  M  +                                             |   4        |

                                            __________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Inflammation                         |                      1                                                   |      1  1.0|

 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Clitoral Gland                          | +  +  +  +  +  +  M  +  +  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  I  +  +  +  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Oviduct                                 |          +                                                               |   1        |

                                            __________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Bronchial                   | +  +  +  +  +  +  +  M  +  +                                             |   9        |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |      A     |
    CONTROL                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  M  +  +  +  +  +  +  +  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Mediastinal                 | M  M  M  M  M  M  M  M  M  M                                             |            |

                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hematopoietic Cell Proliferation     |                            2                                             |      1  2.0|

                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Inflammation, Suppurative            |                1                                                         |      1  1.0|
      Necrosis                             |                1                                                         |      1  1.0|

                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Nephropathy                          |                      1                                                   |      1  1.0|

                                            __________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|                                            |      A     |
    1.0                                    | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Bronchial                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hyperplasia                          | 3  2  2  2  2  3  2  2  3  2                                             |     10  2.3|
      Pigmentation                         | 1  1  1  1  1  1  1  1  1  1                                             |     10  1.0|

                                            __________________________________________________________________________|____________|
   Lymph Node, Mediastinal                 | M  M  M  +  M  M  +  M  M  M                                             |   2        |
      Hyperplasia                          |                   1                                                      |      1  1.0|

                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hematopoietic Cell Proliferation     | 2              1  2                                                      |      3  1.7|

                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Skin                                    |             +                                                            |   1        |

 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Skeletal Muscle                         |             +                                                            |   1        |

 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|                                            |      A     |
    1.0                                    | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |                                                                          |            |
      Foreign Body                         | 2  2  3  2  2  2  2  3  2  2                                             |     10  2.2|
      Inflammation, Chronic Active         | 3  2  3  3  3  2  3  3  2  1                                             |     10  2.5|
      Alveolar Epithelium, Hyperplasia     | 1  1  2  2  1  1  1  1  2  1                                             |     10  1.3|
      Alveolus, Proteinosis                | 3  4  4  4  3  3  3  3  3  4                                             |     10  3.4|
      Interstitium, Fibrosis               | 1  1  1  1  1  1  1  1  1  1                                             |     10  1.0|

                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    

 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|                                            |      A     |
    3.0                                    | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Vagina                                  |    +                                                                     |   1        |

 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Bronchial                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hyperplasia                          | 3  3  2  2  2  2  3  2  2  2                                             |     10  2.3|
      Pigmentation                         | 1  1  2  1  1  1  1  1  1  1                                             |     10  1.1|

                                            __________________________________________________________________________|____________|
   Lymph Node, Mediastinal                 | +  M  +  M  M  M  M  +  M  M                                             |   3        |
      Hyperplasia                          | 2                                                                        |      1  2.0|

                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hematopoietic Cell Proliferation     |    2           1        1                                                |      3  1.3|

                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |                      1                                                   |      1  1.0|

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5|                                            |      A     |
    3.0                                    | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |                                                                          |            |
      Squamous Epithelium, Hyperplasia     | 1                                                                        |      1  1.0|

                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         | 3  3  3  3  3  3  3  3  3  3                                             |     10  3.0|
      Inflammation, Chronic Active         | 3  2  2  2  1  2  3  2  3  2                                             |     10  2.2|
      Alveolar Epithelium, Hyperplasia     | 2  2  2  2  1  1  1  1  2  2                                             |     10  1.6|
      Alveolus, Proteinosis                | 4  3  3  4  3  3  4  4  3  4                                             |     10  3.5|
      Interstitium, Fibrosis               | 2  1  1  1  1  2  1  1  2  2                                             |     10  1.4|

                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  I  +  +  +  +  +  +                                             |   9        |
      Foreign Body                         |                      1                                                   |      1  1.0|

 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Zymbal's Gland                          |    +                                                                     |   1        |

 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    

 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                                            |      A     |
    10.0                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Bronchial                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hyperplasia                          | 2  2  2  2  2  2  1  2  3  2                                             |     10  2.0|
      Pigmentation                         | 2  1  2  1  1  1  1  1  1  1                                             |     10  1.2|

                                            __________________________________________________________________________|____________|
   Lymph Node, Mediastinal                 | M  M  M  M  M  M  M  M  M  +                                             |   1        |

                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |          2  1     1  1  1                                                |      5  1.2|
      Epiglottis, Metaplasia, Squamous     |       1     1  1  2                                                      |      4  1.3|
      Squamous Epithelium, Hyperplasia     | 1        1  2        1                                                   |      4  1.3|

                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                                            |      A     |
    10.0                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |                                                                          |            |
      Foreign Body                         | 3  3  3  3  3  3  3  3  3  3                                             |     10  3.0|
      Inflammation, Chronic Active         | 3  2  3  4  3  3  3  3  3  3                                             |     10  3.0|
      Alveolar Epithelium, Hyperplasia     | 2  1  2  2  2  2  1  2  2  2                                             |     10  1.8|
      Alveolus, Proteinosis                | 4  4  3  4  4  4  4  4  3  4                                             |     10  3.8|
      Interstitium, Fibrosis               | 3  2  3  3  2  3  3  3  2  3                                             |     10  2.7|

                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         | 1                    1                                                   |      2  1.0|

                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |       1  1     1     1  1  1                                             |      6  1.0|

 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    

 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 2| 9| 9| 9| 9| 9| 9| 8| 9| 7|                                            |            |
                                           | 4| 6| 4| 6| 6| 6| 6| 0| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |      A     |
    30.0                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Gallbladder                             | +  +  A  +  +  +  +  M  +  +                                             |   8        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  A  +  +  +  +  A  +  +                                             |   8        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  A  +  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  A  +  +  +  +  A  +  +                                             |   8        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  A  +  +  +  +  A  +  +                                             |   8        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  M  +  +  +  +  A  +  +                                             |   8        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  A  +  +  +  +  A  +  +                                             |   8        |

                                            __________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  A  +  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Degeneration                         |       1              1     1                                             |      3  1.0|

                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  A  +  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  A  +  +                                             |   9        |

 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Degeneration                         |    2  2  2  2  2     2  2  2                                             |      8  2.0|

                                            __________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  M  +  +  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  A  +  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       | +  +  M  M  M  M  +  +  +  +                                             |   6        |

                                            __________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Clitoral Gland                          | +  +  +  +  +  +  +  +  +  M                                             |   9        |

                                            __________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Atrophy                              |    2  2  2  2  2  2  2  2  2                                             |      9  2.0|

                                            __________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Atrophy                              |       2     1        2     1                                             |      4  1.5|

 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 2| 9| 9| 9| 9| 9| 9| 8| 9| 7|                                            |            |
                                           | 4| 6| 4| 6| 6| 6| 6| 0| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |      A     |
    30.0                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Lymph Node, Bronchial                   | +  +  M  +  +  M  +  +  +  +                                             |   8        |
      Hyperplasia                          | 1  3     2  2     3     3                                                |      6  2.3|
      Pigmentation                         | 1  2     2  2     3  2  2  2                                             |      8  2.0|

                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | M  +  M  +  +  M  +  M  +  +                                             |   6        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  M  +  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Mediastinal                 | +  M  +  M  M  M  M  +  M  +                                             |   4        |
      Hyperplasia                          |       3              2     2                                             |      3  2.3|
      Pigmentation                         |       2              2     2                                             |      3  2.0|

                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  A  +  +                                             |   9        |
      Hematopoietic Cell Proliferation     |    1     1  1  2        2  1                                             |      6  1.3|

                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  M  +  +  +  +  +  +  +                                             |   9        |
      Atrophy                              |                1     4     1                                             |      3  2.0|

 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Fat, Atrophy                         |       4        2     4                                                   |      3  3.3|

                                            __________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Subcutaneous Tissue, Hemorrhage      | 2                                                                        |      1  2.0|

 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hemorrhage                           | 2                                                                        |      1  2.0|
      Necrosis, Focal                      |             1                                                            |      1  1.0|

 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         | 1     2  2              1                                                |      4  1.5|
      Inflammation, Suppurative            |                1                                                         |      1  1.0|
      Necrosis                             |          1           1     1                                             |      3  1.0|
      Epiglottis, Metaplasia, Squamous     | 2  1        1        1     1                                             |      5  1.2|
      Squamous Epithelium, Hyperplasia     | 3  2     2     2     3  2  2                                             |      7  2.3|

                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         | 4  4  4  4  4  4  4  3  4  4                                             |     10  3.9|
      Inflammation, Chronic Active         |    2  3  2  3  3  3  3  2  3                                             |      9  2.7|
      Alveolar Epithelium, Hyperplasia     | 1  3  4  3  4  4  3  2  3  4                                             |     10  3.1|
      Alveolus, Proteinosis                | 3  3  4  4  4  4  4  4  3  4                                             |     10  3.7|

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 2| 9| 9| 9| 9| 9| 9| 8| 9| 7|                                            |            |
                                           | 4| 6| 4| 6| 6| 6| 6| 0| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE FEMALE                      | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |      A     |
    30.0                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |                                                                          |            |
      Interstitium, Fibrosis               |    4  4  4  4  4  4  4  4  4                                             |      9  4.0|

                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |    2                    1  1                                             |      3  1.3|

                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |          1                                                               |      1  1.0|

 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Eye                                     |    +                                                                     |   1        |

 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Infarct                              |             2                                                            |      1  2.0|

                                            __________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  A  +  +                                             |   9        |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 5| 6| 5| 6| 6| 5| 6| 5| 6| 5|                                            |            |
                                           | 7| 3| 7| 0| 2| 9| 1| 8| 0| 7|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE FEMALE                      | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |      T     |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |      A     |
    100.0                                  | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Gallbladder                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Degeneration                         | 1  2     2  1  1  2  1  1  2                                             |      9  1.4|

                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Cardiomyopathy                       |             1                                                            |      1  1.0|

 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Degeneration                         | 2  2  2  2  2  2  2  2  2  2                                             |     10  2.0|

                                            __________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       | M  M  M  M  M  +  +  M  +  +                                             |   4        |

                                            __________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  M  +  +                                             |   9        |

 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Clitoral Gland                          | +  M  +  +  +  M  +  +  M  +                                             |   7        |

                                            __________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Atrophy                              | 2  2     2  2  2  2  2  2  2                                             |      9  2.0|
      Cyst                                 |                   1                                                      |      1  1.0|

                                            __________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Atrophy                              | 2  3  3  2  2  3  2  2                                                   |      8  2.4|

 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 5| 6| 5| 6| 6| 5| 6| 5| 6| 5|                                            |            |
                                           | 7| 3| 7| 0| 2| 9| 1| 8| 0| 7|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE FEMALE                      | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |      T     |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |      A     |
    100.0                                  | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Bronchial                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hyperplasia                          |    2  2  2  2  2     3  2  3                                             |      8  2.3|
      Pigmentation                         |    3  2  3  2  2  1  3  2  3                                             |      9  2.3|

                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  M  +  +  +  +  +  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  M                                             |   9        |
      Hyperplasia                          |    2                                                                     |      1  2.0|

                                            __________________________________________________________________________|____________|
   Lymph Node, Mediastinal                 | M  +  +  M  M  +  M  +  +  +                                             |   6        |
      Hyperplasia                          |                2                                                         |      1  2.0|
      Pigmentation                         |                2     1  2                                                |      3  1.7|

                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hematopoietic Cell Proliferation     | 1  1              1     2  1                                             |      5  1.2|

                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  M  +  +  +  +                                             |   9        |
      Atrophy                              | 3  3  2  3  2     4  3  3  4                                             |      9  3.0|

 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Fat, Atrophy                         | 4  3  3  4  3  4  4  4  3  4                                             |     10  3.6|

                                            __________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |          1  2  1  1     1  1                                             |      6  1.2|
      Inflammation, Suppurative            |    1     1  1     1     2  1                                             |      6  1.2|
      Necrosis                             |    1  1  1        1     2                                                |      5  1.2|
      Epiglottis, Metaplasia, Squamous     |    1  2  1  2           2                                                |      5  1.6|
      Squamous Epithelium, Hyperplasia     | 1  2  3  3  3  3  2  1  3  3                                             |     10  2.4|

                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         | 4  4  4  4  4  4  4  4  4  4                                             |     10  4.0|
      Inflammation, Chronic Active         | 3  3  3  3  3  3  3  3  3  3                                             |     10  3.0|
      Alveolar Epithelium, Hyperplasia     | 4  4  4  4  4  4  4  4  4  4                                             |     10  4.0|
      Alveolus, Proteinosis                | 4  4  4  4  4  4  4  4  4  4                                             |     10  4.0|

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 5| 6| 5| 6| 6| 5| 6| 5| 6| 5|                                            |            |
                                           | 7| 3| 7| 0| 2| 9| 1| 8| 0| 7|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE FEMALE                      | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |      T     |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |      A     |
    100.0                                  | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |                                                                          |            |
      Interstitium, Fibrosis               | 4  4  4  4  4  4  4  4  4  4                                             |     10  4.0|

                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         | 2  2  1  1  2  1  2  1  2  1                                             |     10  1.5|

                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |    1        1  1  1     2                                                |      5  1.2|

 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      A     |
    CONTROL                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Gallbladder                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Necrosis, Focal                      |                      1                                                   |      1  1.0|

                                            __________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hypertrophy                          | 1                                                                        |      1  1.0|

                                            __________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       | +  +  +  M  +  +  M  +  M  +                                             |   7        |

                                            __________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Epididymis                              | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Preputial Gland                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Prostate                                | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Testes                                  | +  +  +  +  +  +  M  +  +  +                                             |   9        |

 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      A     |
    CONTROL                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Lymph Node, Bronchial                   | +  +  +  +  +  M  M  +  +  +                                             |   8        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | M  +  M  M  +  +  +  +  +  +                                             |   7        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Mediastinal                 | M  +  M  M  +  M  M  M  +  +                                             |   4        |

                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Mammary Gland                           | M  M  M  M  M  M  M  M  M  M                                             |            |

                                            __________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Inflammation, Suppurative            |                1                                                         |      1  1.0|
      Necrosis                             | 1              1                                                         |      2  1.0|
      Epiglottis, Metaplasia, Squamous     |                      1                                                   |      1  1.0|
      Respiratory Epithelium, Degeneration,|                                                                          |            |
           Hyaline                         |                      1                                                   |      1  1.0|

                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Nephropathy                          |                1  1                                                      |      2  1.0|

                                            __________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Inflammation, Chronic                | 1                                                                        |      1  1.0|

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                                            |      A     |
    1.0                                    | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Bronchial                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hyperplasia                          | 3  3  3  2  3  3  3  2  2  2                                             |     10  2.6|
      Pigmentation                         | 1  1  1  1  1  1  1  1  1  1                                             |     10  1.0|

                                            __________________________________________________________________________|____________|
   Lymph Node, Mediastinal                 | +  +  +  +  M  +  +  M  M  M                                             |   6        |
      Hyperplasia                          |                   2                                                      |      1  2.0|
      Pigmentation                         | 1                 1                                                      |      2  1.0|

                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hematopoietic Cell Proliferation     | 1     1        1  2  1                                                   |      5  1.2|

                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  I  +  +                                             |   9        |

 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |          1        1                                                      |      2  1.0|
      Inflammation, Suppurative            |       1           1  1                                                   |      3  1.0|

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                                            |      A     |
    1.0                                    | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |                                                                          |            |
      Necrosis                             |       1           1  1  1                                                |      4  1.0|

                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         | 2  3  2  3  2  2  2  3  2  3                                             |     10  2.4|
      Inflammation, Chronic Active         | 3  3  3  3  2  3  2  3  2  3                                             |     10  2.7|
      Alveolar Epithelium, Hyperplasia     | 2  2  1  1  2  1  1  1  1  1                                             |     10  1.3|
      Alveolus, Proteinosis                | 4  3  4  4  4  4  3  4  3  3                                             |     10  3.6|
      Interstitium, Fibrosis               | 1  1  1  1  1  1  1  1  1  1                                             |     10  1.0|

                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    

 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |      A     |
    3.0                                    | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Bronchial                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hyperplasia                          | 3  2  2  2  2  2  2  2  2  2                                             |     10  2.1|
      Pigmentation                         | 1  1  1  1  1  1  2  1  1  1                                             |     10  1.1|

                                            __________________________________________________________________________|____________|
   Lymph Node, Mediastinal                 | +  M  M  M  M  M  M  M  M  M                                             |   1        |

                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hematopoietic Cell Proliferation     |             1        1     1                                             |      3  1.0|

                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |          1        1                                                      |      2  1.0|
      Necrosis                             |                            1                                             |      1  1.0|

                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         | 3  3  3  3  3  3  3  3  3  3                                             |     10  3.0|

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                                            |      A     |
    3.0                                    | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |                                                                          |            |
      Inflammation, Chronic Active         | 3  2  3  2  3  2  2  3  3  3                                             |     10  2.6|
      Alveolar Epithelium, Hyperplasia     | 2  2  1  1  1  1  1  2  1  2                                             |     10  1.4|
      Alveolus, Proteinosis                | 4  4  4  4  4  4  4  4  4  4                                             |     10  4.0|
      Interstitium, Fibrosis               | 2  2  1  1  1  1  1  2  2  3                                             |     10  1.6|

                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Inflammation, Suppurative            |    1                                                                     |      1  1.0|

                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |             1     1                                                      |      2  1.0|

 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Kidney                                  |                            +                                             |   1        |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      A     |
    10.0                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Liver                                   |                            +                                             |   1        |
      Necrosis, Focal                      |                            1                                             |      1  1.0|

 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Bronchial                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hyperplasia                          | 1  2  2  3  2  2  2  3  3  2                                             |     10  2.2|
      Pigmentation                         | 1  1  1  1  2  2  2  1  1  1                                             |     10  1.3|

                                            __________________________________________________________________________|____________|
   Lymph Node, Mediastinal                 | +  M  +  M  +  M  M  M  M  M                                             |   3        |
      Hyperplasia                          | 3                                                                        |      1  3.0|
      Pigmentation                         | 1                                                                        |      1  1.0|

                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  I  +                                             |   9        |
      Hematopoietic Cell Proliferation     | 1  1  2                                                                  |      3  1.3|

                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |       1  1  2  1     1     1                                             |      6  1.2|

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      A     |
    10.0                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |                                                                          |            |
      Inflammation, Suppurative            |          1                                                               |      1  1.0|
      Necrosis                             |          1           1                                                   |      2  1.0|
      Epiglottis, Metaplasia, Squamous     |    1  1  1  1  1  1  1  1  1                                             |      9  1.0|
      Squamous Epithelium, Hyperplasia     |       1     2        1                                                   |      3  1.3|

                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         | 3  4  3  4  4  4  3  3  3  3                                             |     10  3.4|
      Inflammation, Chronic Active         | 3  3  3  2  2  2  2  3  2  3                                             |     10  2.5|
      Alveolar Epithelium, Hyperplasia     | 4  3  3  4  4  3  3  3  2  2                                             |     10  3.1|
      Alveolus, Proteinosis                | 4  4  4  4  4  4  4  4  4  4                                             |     10  4.0|
      Interstitium, Fibrosis               | 4  3  4  3  4  2  3  3  2  3                                             |     10  3.1|

                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         | 1              1                                                         |      2  1.0|

                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |       1     1              1                                             |      3  1.0|

 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Eye                                     |    +                                                                     |   1        |

 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    

 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 1| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|                                            |      A     |
    30.0                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Gallbladder                             | +  +  M  +  +  +  +  +  +  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Necrosis, Focal                      |             1                                                            |      1  1.0|

                                            __________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Cardiomyopathy                       |    1                                                                     |      1  1.0|

 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       | M  +  M  +  +  M  M  M  +  M                                             |   4        |

                                            __________________________________________________________________________|____________|
   Pituitary Gland                         | M  +  +  +  +  +  +  +  +  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Epididymis                              | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Penis                                   |    +                                                                     |   1        |
      Inflammation                         |    2                                                                     |      1  2.0|

                                            __________________________________________________________________________|____________|
   Preputial Gland                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Prostate                                | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Testes                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 1| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|                                            |      A     |
    30.0                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Bronchial                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hyperplasia                          | 3  2     1     2  2  3  2  2                                             |      8  2.1|
      Pigmentation                         | 2  2  1  2  1  2  2  2  2  2                                             |     10  1.8|

                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | M  M  +  +  +  +  +  M  +  +                                             |   7        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  M  +  +  +  M  +  +  +  +                                             |   8        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Mediastinal                 | +  M  M  +  +  +  M  M  +  M                                             |   5        |
      Hyperplasia                          |          2              3                                                |      2  2.5|
      Pigmentation                         |          2              3                                                |      2  2.5|

                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  M  +  +  +  +  +  +  +                                             |   9        |
      Hematopoietic Cell Proliferation     |          3  1  1  1  2     2                                             |      6  1.7|

                                            __________________________________________________________________________|____________|
   Thymus                                  | +  M  M  M  +  +  +  +  +  +                                             |   7        |
      Atrophy                              | 2                                                                        |      1  2.0|

 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Mammary Gland                           | M  M  M  M  M  M  M  M  M  M                                             |            |

                                            __________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |       1  1  1  1  1        2                                             |      6  1.2|
      Inflammation, Suppurative            | 1        1     1  1     1                                                |      5  1.0|
      Necrosis                             |             1     1     1                                                |      3  1.0|
      Epiglottis, Metaplasia, Squamous     | 1  1     1  1  1  1     1  1                                             |      8  1.0|
      Squamous Epithelium, Hyperplasia     | 2  2     3  3  3  2  1  1  2                                             |      9  2.1|

                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         | 4  4  4  4  4  4  4  4  4  4                                             |     10  4.0|
      Inflammation, Chronic Active         |    3  3  3  3  3  3  3  3  3                                             |      9  3.0|
      Alveolar Epithelium, Hyperplasia     | 4  4  4  4  4  4  4  4  3  4                                             |     10  3.9|
      Alveolus, Proteinosis                | 4  4  4  4  4  4  4  4  4  4                                             |     10  4.0|
      Interstitium, Fibrosis               | 4  4  4  4  3  4  4  4  4  4                                             |     10  3.9|

                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9|                                            |            |
                                           | 6| 1| 6| 6| 6| 6| 6| 6| 6| 6|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE MALE                        | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      T     |
                               ANIMAL ID   | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|                                            |      A     |
    30.0                                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |                                                                          |            |
      Foreign Body                         | 1                                                                        |      1  1.0|

                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |       1  1     1                                                         |      3  1.0|

 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 4| 5| 7| 4| 6| 5| 6| 6| 5| 5|                                            |            |
                                           | 7| 6| 3| 7| 1| 3| 0| 3| 1| 3|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE MALE                        | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      A     |
    100.0                                  | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Gallbladder                             | +  +  +  +  +  +  I  +  A  +                                             |   8        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  A  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  A  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  A  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Inflammation, Focal                  |                      1                                                   |      1  1.0|

                                            __________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Ulcer                                |             1                                                            |      1  1.0|
      Epithelium, Hyperplasia              |             3                                                            |      1  3.0|

                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Cardiomyopathy                       |       1                                                                  |      1  1.0|

 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  M  +  +  +  +  +  +  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       | M  M  +  +  M  M  M  +  +  M                                             |   4        |

                                            __________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Epididymis                              | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Penis                                   |                   +  +                                                   |   2        |
      Congestion                           |                   1                                                      |      1  1.0|

                                            __________________________________________________________________________|____________|
   Preputial Gland                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Prostate                                | +  +  +  +  +  +  +  +  +  +                                             |  10        |

                                            __________________________________________________________________________|____________|
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 4| 5| 7| 4| 6| 5| 6| 6| 5| 5|                                            |            |
                                           | 7| 6| 3| 7| 1| 3| 0| 3| 1| 3|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE MALE                        | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      A     |
    100.0                                  | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 GENITAL SYSTEM - cont                     |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Testes                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hyperplasia                          |       1     1                                                            |      2  1.0|

                                            __________________________________________________________________________|____________|
   Lymph Node, Bronchial                   | M  +  +  +  M  +  +  +  M  +                                             |   7        |
      Hyperplasia                          |    2  2  2     2  1  2     2                                             |      7  1.9|
      Pigmentation                         |    3  3  2     2  2  2     3                                             |      7  2.4|

                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  M  M  +  +  M  +                                             |   7        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | M  +  +  +  +  +  +  +  +  +                                             |   9        |

                                            __________________________________________________________________________|____________|
   Lymph Node, Mediastinal                 | +  M  +  +  +  M  M  M  +  +                                             |   6        |
      Hyperplasia                          | 2           1           2                                                |      3  1.7|
      Pigmentation                         | 3           2           2  2                                             |      4  2.3|

                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Hematopoietic Cell Proliferation     | 2  2  3  1  2  2  2  1     2                                             |      9  1.9|

                                            __________________________________________________________________________|____________|
   Thymus                                  | +  M  M  +  +  M  +  +  +  +                                             |   7        |
      Atrophy                              | 1        1  3     3  3  3  3                                             |      7  2.4|

 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Mammary Gland                           | M  M  M  M  M  M  M  M  M  M                                             |            |

                                            __________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |    3  1        2     1                                                   |      4  1.8|
      Inflammation, Suppurative            | 1        1  1     1                                                      |      4  1.0|
      Necrosis                             | 1  1     1        1                                                      |      4  1.0|
      Epiglottis, Metaplasia, Squamous     |    1  1  2  2  2  2  2  1  2                                             |      9  1.7|
      Squamous Epithelium, Hyperplasia     | 2  3  2  3  3  2  2        2                                             |      8  2.4|

                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         | 4  4  4  4  4  4  4  4  4  4                                             |     10  4.0|
      Inflammation, Chronic Active         | 3  3  3  3  3  3  3  3  3  3                                             |     10  3.0|
      Alveolar Epithelium, Hyperplasia     | 4  3  4  4  4  3  4  3  3  4                                             |     10  3.6|

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
NTP Experiment-Test: 88124-02                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: SUBCHRON 90-DAY                                  INDIUM PHOSPHIDE                                     Date: 02/22/00  
Route: RESPIRATORY EXPOSURE WHOLE BODY                                                                            Time: 09:04:54  
                                                                                                                                    

 __________________________________________________________________________________________________________________________________ 
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |            |
                             DAY ON TEST   | 4| 5| 7| 4| 6| 5| 6| 6| 5| 5|                                            |            |
                                           | 7| 6| 3| 7| 1| 3| 0| 3| 1| 3|                                            |      T (*) |

 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      O     |
   B6C3F1 MICE MALE                        | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                                            |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                                            |      A     |
    100.0                                  | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1|                                            |      L     |
    MG/M3                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                                            |            |

 __________________________________________________________________________________________________________________________________ 
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |                                                                          |            |
      Alveolus, Proteinosis                | 4  4  4  4  4  4  4  4  4  4                                             |     10  4.0|
      Interstitium, Fibrosis               | 3  4  4  4  4  4  4  3  3  4                                             |     10  3.7|

                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         | 2  3     3  2  2  2  2  2  2                                             |      9  2.2|
      Inflammation                         |       1                                                                  |      1  1.0|

                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Foreign Body                         |    3  1              2                                                   |      3  2.0|

 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |

 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |

                                            __________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +                                             |  10        |
      Infarct                              |       2                                                                  |      1  2.0|
      Nephropathy                          |                            1                                             |      1  1.0|

                                            __________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +                                             |  10        |

 __________________________________________________________________________________________________________________________________ 

  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                             ------------------------------------------------------------                                           
                             ----------              END OF REPORT             ----------                                           
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