TR 371 Rat Pathology Tables
NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 Facility: International Research and Development Corp. Chemical CAS #: 108883 Lock Date: None Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 4| 7| 4| 6| 7| 4| 7| 7| 7| 4| 7| 6| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 5| 3| 3| 3| 5| 2| 3| 2| 3| 5| 1| 0| 3| 5| 2| 4| 1| 3| 2| 3| 3| 3| 3| | 0| 2| 8| 3| 0| 2| 9| 9| 0| 6| 2| 8| 0| 8| 1| 8| 9| 4| 9| 8| 9| 3| 2| 3| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + M +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + +| Erosion | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Developmental Malformation | X X X X X | Fatty Change | 2 2 | Focal Cellular Change | X 2 X X X X X X X X X X X| Granuloma | 2 2 2 1 2 2 | Hematopoietic Cell Proliferation | | Necrosis | 2 2 2 | Arteriole, Thrombosis | | Bile Duct, Hyperplasia | 2 2 1 3 2 2 1 2 2 1 3 2 1 2 1| Portal, Inflammation, Chronic | 1 2 2 2 2 1 2 1 2 2 2 2 2 2 2 2 2 2 1 2 | Venule, Thrombosis | | __________________________________________________________________________| Mesentery | + | Fat, Necrosis | 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 1 4 3 2 2 2 2 | Acinus, Hyperplasia | | Duct, Ectasia | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 3 | Inflammation, Chronic Active | | Ulcer | 4 3 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + +| Mucosa, Dilatation | 2 1 2 2 1 2 2 2 1 2 2 2 1 | Mucosa, Erosion | 2 1 | Mucosa, Pigmentation | 2 | Mucosa, Ulcer | 4 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 4| 7| 4| 6| 7| 4| 7| 7| 7| 4| 7| 6| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 5| 3| 3| 3| 5| 2| 3| 2| 3| 5| 1| 0| 3| 5| 2| 4| 1| 3| 2| 3| 3| 3| 3| | 0| 2| 8| 3| 0| 2| 9| 9| 0| 6| 2| 8| 0| 8| 1| 8| 9| 4| 9| 8| 9| 3| 2| 3| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy, Chronic | 1 2 2 2 2 2 1 1 3 3 1 1 2 2 2 2 1 1 1 2 2| Inflammation, Acute | | Mineralization | 2 | Atrium, Thrombosis | | Ventricle, Thrombosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + +| Degeneration, Fatty | 3 4 2 2 1 2 2 2 1 1 2 1 4 2 2| Hyperplasia | 2 2 2 2 2 2 1 2 | Hypertrophy | 2 | Pigmentation | 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + M + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 3| Pars Distalis, Cyst | X X X X | Pars Distalis, Hemorrhage | | Pars Distalis, Hyperplasia | 3 3 2 2 | Pars Intermedia, Angiectasis | | Pars Intermedia, Cyst | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Acute | 1 | C-Cell, Hyperplasia | 1 1 2 2 2 1 2 2 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Inflammation, Acute | | Inflammation, Chronic | 2 1 2 2 2 2 2 2 2| Inflammation, Chronic Active | 3 3 2 2 | Duct, Ectasia | 3 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + +| Periovarian Tissue, Cyst | X X | _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 4| 7| 4| 6| 7| 4| 7| 7| 7| 4| 7| 6| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 5| 3| 3| 3| 5| 2| 3| 2| 3| 5| 1| 0| 3| 5| 2| 4| 1| 3| 2| 3| 3| 3| 3| | 0| 2| 8| 3| 0| 2| 9| 9| 0| 6| 2| 8| 0| 8| 1| 8| 9| 4| 9| 8| 9| 3| 2| 3| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + +| Ectasia | 2 | Hemorrhage | | Prolapse | | Endometrium, Hyperplasia, Cystic | 2 2 | __________________________________________________________________________| Vagina | + + + | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 2 2 | Myeloid Cell, Hyperplasia | 4 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hyperplasia, Lymphoid | 2 2 2 2 | Inflammation, Acute | | Mediastinal, Hemorrhage | | Mesenteric, Congestion | 2 | Mesenteric, Edema | | Mesenteric, Hyperplasia, Lymphoid | 2 2 2 1 2 2 2 2 2 | Mesenteric, Inflammation, Acute | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + M M + + + + + + + + + + + + +| Congestion | 2 | Cyst | | Hyperplasia, Lymphoid | 2 3 2 2 2 2 2 2 2 2 2 2 2 2 3 2 2| Inflammation, Acute | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 1 3 4 2 2 2 3 2 2 1 2 2 2 2 2 2 | Hyperplasia, Lymphoid | | Hyperplasia, Reticulum Cell | 3 | Pigmentation | 2 2 2 2 1 2 2 3 3 3 2 1 2 3 3 3 2 2 1| __________________________________________________________________________| Thymus | + + + + + + + + + + M + + + + M + + + + +| Congestion | 2 | Cyst | X | Mediastinum, Inflammation, Chronic | | Active | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | Inflammation, Chronic Active | | Acinus, Ectasia | 2 2 3 2 3 3 2 2 3 3 2 4 4 3 2 2 3 2| Acinus, Hyperplasia | | Duct, Ectasia | 2 4 2 2 2 2 2 3 | _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 4| 7| 4| 6| 7| 4| 7| 7| 7| 4| 7| 6| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 5| 3| 3| 3| 5| 2| 3| 2| 3| 5| 1| 0| 3| 5| 2| 4| 1| 3| 2| 3| 3| 3| 3| | 0| 2| 8| 3| 0| 2| 9| 9| 0| 6| 2| 8| 0| 8| 1| 8| 9| 4| 9| 8| 9| 3| 2| 3| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + +| Head, Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + +| Cranium, Fibrous Osteodystrophy | X | Cranium, Osteopetrosis | 3 4 | Femur, Fibrous Osteodystrophy | X | Femur, Osteopetrosis | 3 2 4 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + +| Compression | X X X X X X | Gliosis | 3 | Hemorrhage | | Hydrocephalus | 2 | Lateral Ventricle, Hemorrhage | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 2 | Hemorrhage | 2 1 2 | Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| Pigmentation, Cholesterol | | Alveolus, Infiltration Cellular, | | Histiocyte | 2 1 2 1 2 1 1 2 1 2 2 1| Alveolus, Mineralization | | Arteriole, Mineralization | 2 2 2 2 2 2 2 2 2 2 2 2 1 2| Interstitium, Inflammation, Chronic | 1 1 1 1 1 2 1 1| Interstitium, Inflammation, Chronic | | Active | | Peribronchiolar, Inflammation, Acute | 4 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + +| Lumen, Foreign Body | 3 | Lumen, Hemorrhage | 3 2 2 2 2 2 2 2 2 1 2 3| Mucosa, Inflammation, Acute | 2 2 2 2 1 2 4 2 2 | Nasolacrimal Duct, Hemorrhage | | Nasolacrimal Duct, Inflammation, | | Acute | 2 1 3 1 2 | Olfactory Epithelium, Degeneration | 2 2 2 2 2 3 1 2 2 2 2 2 2 2 2 2 2 2 2| Olfactory Epithelium, Erosion | 2 2 | Respiratory Epithelium, Degeneration | 3 2 1 1 2 2 1 1 2 1 2 | Respiratory Epithelium, Erosion | 3 | Respiratory Epithelium, Metaplasia, | | _____________________________________________________________________________________________________________________| Page 5 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 4| 7| 4| 6| 7| 4| 7| 7| 7| 4| 7| 6| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 5| 3| 3| 3| 5| 2| 3| 2| 3| 5| 1| 0| 3| 5| 2| 4| 1| 3| 2| 3| 3| 3| 3| | 0| 2| 8| 3| 0| 2| 9| 9| 0| 6| 2| 8| 0| 8| 1| 8| 9| 4| 9| 8| 9| 3| 2| 3| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Squamous | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Acute | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Atrophy | | Cataract | 4 | Retina, Degeneration | 4 | Sclera, Mineralization | | __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | Nephropathy, Chronic | 3 2 4 2 2 3 1 2 2 4 2 2 2 3 2 2 2 3 2 3 2| Pelvis, Calculus Micro Observation | | Only | | Renal Tubule, Cyst | X | Renal Tubule, Hyperplasia | 3 | Renal Tubule, Pigmentation | 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | 2 | Inflammation, Chronic | | _____________________________________________________________________________________________________________________| Page 6 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 7| 6| 6| 7| 6| 7| 4| 7| 7| 7| 7| 7| 5| 4| 6| 4| 7| 7| 7| 7| 4| DAY ON TEST | 4| 3| 3| 5| 3| 9| 7| 3| 3| 3| 5| 2| 2| 3| 3| 3| 6| 5| 7| 5| 3| 3| 3| 3| 5| | 2| 0| 1| 9| 0| 7| 5| 0| 9| 2| 9| 9| 9| 3| 1| 1| 8| 8| 5| 8| 3| 1| 1| 3| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 0 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + | Inflammation, Acute | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + | Parasite Metazoan | X X X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + | Parasite Metazoan | X | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + | Erosion | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + | Angiectasis | 2 | Developmental Malformation | X | Fatty Change | 2 | Focal Cellular Change | X X X X X X X X X X X X | Granuloma | 2 2 1 1 2 2 | Hematopoietic Cell Proliferation | 2 | Necrosis | | Arteriole, Thrombosis | | Bile Duct, Hyperplasia | 1 2 1 2 1 2 1 2 1 2 2 2 2 1 2 1 | Portal, Inflammation, Chronic | 2 2 2 2 1 1 1 2 1 2 2 2 2 2 2 2 2 1 2 | Venule, Thrombosis | | __________________________________________________________________________| Mesentery | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + | Acinus, Atrophy | 2 4 2 3 4 1 1 2 | Acinus, Hyperplasia | | Duct, Ectasia | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + | Hyperplasia, Squamous | | Inflammation, Chronic Active | 1 4 | Ulcer | 4 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + | Mucosa, Dilatation | 2 1 2 2 2 2 1 2 1 | Mucosa, Erosion | 1 | Mucosa, Pigmentation | | Mucosa, Ulcer | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 7 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 7| 6| 6| 7| 6| 7| 4| 7| 7| 7| 7| 7| 5| 4| 6| 4| 7| 7| 7| 7| 4| DAY ON TEST | 4| 3| 3| 5| 3| 9| 7| 3| 3| 3| 5| 2| 2| 3| 3| 3| 6| 5| 7| 5| 3| 3| 3| 3| 5| | 2| 0| 1| 9| 0| 7| 5| 0| 9| 2| 9| 9| 9| 3| 1| 1| 8| 8| 5| 8| 3| 1| 1| 3| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 0 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + | Cardiomyopathy, Chronic | 3 2 2 2 2 1 1 2 1 1 3 3 2 2 2 3 2 2 3 | Inflammation, Acute | | Mineralization | | Atrium, Thrombosis | | Ventricle, Thrombosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + | Degeneration, Fatty | 2 1 2 2 2 1 2 1 2 1 2 | Hyperplasia | 2 1 1 2 1 | Hypertrophy | 2 1 2 | Pigmentation | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + M + + + + + | Hyperplasia | 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + | Hyperplasia | 3 | __________________________________________________________________________| Parathyroid Gland | M + + + + + + + + + + + + + + M + + + M | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + | Pars Distalis, Angiectasis | | Pars Distalis, Cyst | X X X X X X | Pars Distalis, Hemorrhage | 3 | Pars Distalis, Hyperplasia | 2 2 3 | Pars Intermedia, Angiectasis | | Pars Intermedia, Cyst | X | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + | Hemorrhage | | Inflammation, Acute | | C-Cell, Hyperplasia | 2 1 2 2 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + M + + + + + + + + + | Cyst | | Inflammation, Acute | 3 | Inflammation, Chronic | 2 2 2 2 1 2 1 2 | Inflammation, Chronic Active | 2 2 2 2 | Duct, Ectasia | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + | Periovarian Tissue, Cyst | | _____________________________________________________________________________________________________________________| Page 8 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 7| 6| 6| 7| 6| 7| 4| 7| 7| 7| 7| 7| 5| 4| 6| 4| 7| 7| 7| 7| 4| DAY ON TEST | 4| 3| 3| 5| 3| 9| 7| 3| 3| 3| 5| 2| 2| 3| 3| 3| 6| 5| 7| 5| 3| 3| 3| 3| 5| | 2| 0| 1| 9| 0| 7| 5| 0| 9| 2| 9| 9| 9| 3| 1| 1| 8| 8| 5| 8| 3| 1| 1| 3| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 0 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + | Ectasia | 2 | Hemorrhage | 4 | Prolapse | X | Endometrium, Hyperplasia, Cystic | | __________________________________________________________________________| Vagina | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + | Myelofibrosis | 1 1 2 2 | Myeloid Cell, Hyperplasia | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + | Congestion | 2 | Hyperplasia, Lymphoid | 2 2 | Inflammation, Acute | | Mediastinal, Hemorrhage | | Mesenteric, Congestion | 1 2 | Mesenteric, Edema | 3 | Mesenteric, Hyperplasia, Lymphoid | 2 2 2 2 2 2 2 | Mesenteric, Inflammation, Acute | 3 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + M + + + + + + + + + + + + | Congestion | 2 3 | Cyst | X | Hyperplasia, Lymphoid | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | Inflammation, Acute | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + | Hematopoietic Cell Proliferation | 2 2 3 1 2 2 2 2 3 2 3 2 2 3 3 2 | Hyperplasia, Lymphoid | 2 | Hyperplasia, Reticulum Cell | | Pigmentation | 3 2 2 2 2 2 3 2 2 3 2 2 3 2 2 2 2 2 | __________________________________________________________________________| Thymus | + + + + + M + + + + + + + + M + + + + + | Congestion | 2 | Cyst | X | Mediastinum, Inflammation, Chronic | | Active | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + | Inflammation, Acute | | Inflammation, Chronic Active | 3 | Acinus, Ectasia | 3 2 2 4 2 3 3 2 3 2 3 3 | Acinus, Hyperplasia | 2 2 | Duct, Ectasia | 2 2 2 2 2 3 2 3 | _____________________________________________________________________________________________________________________| Page 9 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 7| 6| 6| 7| 6| 7| 4| 7| 7| 7| 7| 7| 5| 4| 6| 4| 7| 7| 7| 7| 4| DAY ON TEST | 4| 3| 3| 5| 3| 9| 7| 3| 3| 3| 5| 2| 2| 3| 3| 3| 6| 5| 7| 5| 3| 3| 3| 3| 5| | 2| 0| 1| 9| 0| 7| 5| 0| 9| 2| 9| 9| 9| 3| 1| 1| 8| 8| 5| 8| 3| 1| 1| 3| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 0 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + | Head, Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + | Cranium, Fibrous Osteodystrophy | | Cranium, Osteopetrosis | | Femur, Fibrous Osteodystrophy | | Femur, Osteopetrosis | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + | Compression | X X X | Gliosis | | Hemorrhage | 3 2 2 2 | Hydrocephalus | | Lateral Ventricle, Hemorrhage | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + | Congestion | | Hemorrhage | 1 2 1 | Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | Pigmentation, Cholesterol | | Alveolus, Infiltration Cellular, | | Histiocyte | 2 2 2 1 2 1 2 2 | Alveolus, Mineralization | | Arteriole, Mineralization | 2 2 2 2 2 1 2 | Interstitium, Inflammation, Chronic | 1 1 1 2 1 1 2 | Interstitium, Inflammation, Chronic | | Active | | Peribronchiolar, Inflammation, Acute | 4 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + | Lumen, Foreign Body | | Lumen, Hemorrhage | 3 2 3 2 2 2 1 1 3 2 2 2 4 | Mucosa, Inflammation, Acute | 2 2 2 1 2 2 2 3 1 2 1 2 | Nasolacrimal Duct, Hemorrhage | | Nasolacrimal Duct, Inflammation, | | Acute | | Olfactory Epithelium, Degeneration | 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 | Olfactory Epithelium, Erosion | | Respiratory Epithelium, Degeneration | 1 1 1 2 1 1 2 1 1 1 1 2 2 1 | Respiratory Epithelium, Erosion | 2 | Respiratory Epithelium, Metaplasia, | | _____________________________________________________________________________________________________________________| Page 10 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 7| 6| 6| 7| 6| 7| 4| 7| 7| 7| 7| 7| 5| 4| 6| 4| 7| 7| 7| 7| 4| DAY ON TEST | 4| 3| 3| 5| 3| 9| 7| 3| 3| 3| 5| 2| 2| 3| 3| 3| 6| 5| 7| 5| 3| 3| 3| 3| 5| | 2| 0| 1| 9| 0| 7| 5| 0| 9| 2| 9| 9| 9| 3| 1| 1| 8| 8| 5| 8| 3| 1| 1| 3| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 0 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Squamous | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + | Hemorrhage | 2 | Inflammation, Acute | 3 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + + + | Atrophy | 4 | Cataract | 4 3 | Retina, Degeneration | 4 2 4 | Sclera, Mineralization | 3 2 | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + | Inflammation, Acute | | Nephropathy, Chronic | 2 3 2 2 3 2 2 1 2 3 3 3 2 2 3 3 2 2 3 3 | Pelvis, Calculus Micro Observation | | Only | X | Renal Tubule, Cyst | X | Renal Tubule, Hyperplasia | | Renal Tubule, Pigmentation | 2 2 2 2 3 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + | Infiltration Cellular, Lymphocyte | | Inflammation, Chronic | 2 | _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 7| 7| 6| 4| 7| 7| 7| | | DAY ON TEST | 8| 9| 3| 2| 3| 5| 5| 2| 2| 3| | | | 3| 1| 2| 9| 3| 5| 9| 9| 2| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | A | 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + | 49 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + | 50 | Inflammation, Acute | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + | 50 | Parasite Metazoan | | 5 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + | 50 | Parasite Metazoan | X | 4 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + | 50 | Erosion | 3 | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + | 50 | __________________________________________________________________________|____________| Liver | + + + + + + + + + | 50 | Angiectasis | | 2 2.0| Developmental Malformation | | 6 | Fatty Change | | 3 2.0| Focal Cellular Change | X X X X | 29 2.0| Granuloma | | 12 1.8| Hematopoietic Cell Proliferation | | 1 2.0| Necrosis | 2 | 4 2.0| Arteriole, Thrombosis | X | 1 | Bile Duct, Hyperplasia | 3 1 1 2 2 2 2 | 38 1.7| Portal, Inflammation, Chronic | 2 1 2 2 2 1 3 2 | 47 1.8| Venule, Thrombosis | X | 1 | __________________________________________________________________________|____________| Mesentery | | 1 | Fat, Necrosis | | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + | 50 | Acinus, Atrophy | 2 2 1 | 18 2.2| Acinus, Hyperplasia | 3 | 1 3.0| Duct, Ectasia | 2 | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + | 50 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + | 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + | 50 | Hyperplasia, Squamous | | 1 3.0| Inflammation, Chronic Active | | 2 2.5| Ulcer | 4 | 6 3.8| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + | 50 | Mucosa, Dilatation | 2 2 1 2 2 | 27 1.7| __________________________________________________________________________________________________________________________________ * : 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 Page 12 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 7| 7| 6| 4| 7| 7| 7| | | DAY ON TEST | 8| 9| 3| 2| 3| 5| 5| 2| 2| 3| | | | 3| 1| 2| 9| 3| 5| 9| 9| 2| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | A | 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Mucosa, Erosion | 3 3 3 | 6 2.2| Mucosa, Pigmentation | | 1 2.0| Mucosa, Ulcer | 2 | 2 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + | 50 | __________________________________________________________________________|____________| Heart | + + + + + + + + + | 50 | Cardiomyopathy, Chronic | 2 2 3 2 2 2 2 2 | 48 1.9| Inflammation, Acute | 4 | 1 4.0| Mineralization | | 1 2.0| Atrium, Thrombosis | X X | 2 | Ventricle, Thrombosis | X | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + | 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + | 50 | Degeneration, Fatty | 1 1 2 2 2 2 2 | 33 1.8| Hyperplasia | 1 1 3 | 16 1.7| Hypertrophy | | 4 1.8| Pigmentation | 2 2 2 2 2 2 2 2 2 | 50 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + | 49 | Hyperplasia | | 4 1.5| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + | 50 | Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | M M + + M + + + M | 42 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + | 50 | Pars Distalis, Angiectasis | | 1 3.0| Pars Distalis, Cyst | | 10 | Pars Distalis, Hemorrhage | 3 4 | 3 3.3| Pars Distalis, Hyperplasia | | 7 2.4| Pars Intermedia, Angiectasis | 3 | 1 3.0| Pars Intermedia, Cyst | | 1 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + | 50 | Hemorrhage | 3 | 1 3.0| Inflammation, Acute | | 1 1.0| C-Cell, Hyperplasia | 1 1 1 | 17 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY 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 Page 13 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 7| 7| 6| 4| 7| 7| 7| | | DAY ON TEST | 8| 9| 3| 2| 3| 5| 5| 2| 2| 3| | | | 3| 1| 2| 9| 3| 5| 9| 9| 2| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | A | 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + | 49 | Cyst | | 1 | Inflammation, Acute | | 1 3.0| Inflammation, Chronic | 2 2 2 1 | 21 1.8| Inflammation, Chronic Active | 2 3 | 10 2.3| Duct, Ectasia | | 2 2.5| __________________________________________________________________________|____________| Ovary | + + + + + + + + + | 50 | Periovarian Tissue, Cyst | | 2 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + | 50 | Ectasia | | 2 2.0| Hemorrhage | | 1 4.0| Prolapse | | 1 | Endometrium, Hyperplasia, Cystic | | 2 2.0| __________________________________________________________________________|____________| Vagina | + | 4 | Inflammation, Chronic Active | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + M + + + + + + + | 49 | Myelofibrosis | 2 4 | 8 2.0| Myeloid Cell, Hyperplasia | | 1 4.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + | 50 | Congestion | | 1 2.0| Hyperplasia, Lymphoid | | 6 2.0| Inflammation, Acute | 4 | 1 4.0| Mediastinal, Hemorrhage | 4 | 1 4.0| Mesenteric, Congestion | 2 | 4 1.8| Mesenteric, Edema | | 1 3.0| Mesenteric, Hyperplasia, Lymphoid | 2 | 17 1.9| Mesenteric, Inflammation, Acute | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + | 47 | Congestion | 2 2 | 5 2.2| Cyst | | 1 | Hyperplasia, Lymphoid | 2 2 2 2 2 2 2 | 41 2.0| Inflammation, Acute | 4 | 1 4.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + | 50 | Hematopoietic Cell Proliferation | 2 3 3 2 2 3 2 2 | 41 2.2| Hyperplasia, Lymphoid | | 1 2.0| Hyperplasia, Reticulum Cell | | 1 3.0| Pigmentation | 3 2 2 2 1 1 2 | 44 2.1| __________________________________________________________________________________________________________________________________ * : 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 Page 14 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 7| 7| 6| 4| 7| 7| 7| | | DAY ON TEST | 8| 9| 3| 2| 3| 5| 5| 2| 2| 3| | | | 3| 1| 2| 9| 3| 5| 9| 9| 2| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | A | 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Thymus | + + + + + + + + + | 46 | Congestion | 3 2 | 4 2.3| Cyst | | 2 | Mediastinum, Inflammation, Chronic | | | Active | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + | 50 | Inflammation, Acute | 2 | 1 2.0| Inflammation, Chronic Active | | 1 3.0| Acinus, Ectasia | 2 2 3 2 2 2 3 | 37 2.6| Acinus, Hyperplasia | 3 | 3 2.3| Duct, Ectasia | 2 2 2 2 3 | 21 2.3| __________________________________________________________________________|____________| Skin | + + + + + + + + + | 50 | Head, Inflammation, Chronic Active | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + M + + + + + + + | 49 | Cranium, Fibrous Osteodystrophy | | 1 | Cranium, Osteopetrosis | | 2 3.5| Femur, Fibrous Osteodystrophy | | 1 | Femur, Osteopetrosis | | 3 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + | 50 | Compression | X X | 11 | Gliosis | | 1 3.0| Hemorrhage | 2 | 5 2.2| Hydrocephalus | | 1 2.0| Lateral Ventricle, Hemorrhage | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + | 50 | Congestion | 2 3 3 | 5 2.6| Hemorrhage | 2 | 7 1.6| Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 2 | 49 2.0| Pigmentation, Cholesterol | 2 | 1 2.0| Alveolus, Infiltration Cellular, | | | Histiocyte | 2 2 1 1 1 1 2 3 | 28 1.6| __________________________________________________________________________________________________________________________________ * : 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 Page 15 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 7| 7| 6| 4| 7| 7| 7| | | DAY ON TEST | 8| 9| 3| 2| 3| 5| 5| 2| 2| 3| | | | 3| 1| 2| 9| 3| 5| 9| 9| 2| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | A | 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Alveolus, Mineralization | 1 | 1 1.0| Arteriole, Mineralization | 1 2 2 2 | 25 1.9| Interstitium, Inflammation, Chronic | 2 1 | 17 1.2| Interstitium, Inflammation, Chronic | | | Active | 3 | 1 3.0| Peribronchiolar, Inflammation, Acute | | 2 4.0| __________________________________________________________________________|____________| Nose | + M + + + + + + + | 49 | Lumen, Foreign Body | 2 2 3 | 4 2.5| Lumen, Hemorrhage | 2 2 1 2 2 | 30 2.1| Mucosa, Inflammation, Acute | 3 2 2 2 1 4 | 27 2.0| Nasolacrimal Duct, Hemorrhage | 1 | 1 1.0| Nasolacrimal Duct, Inflammation, | | | Acute | | 5 1.8| Olfactory Epithelium, Degeneration | 2 2 2 2 1 2 2 | 44 2.0| Olfactory Epithelium, Erosion | | 2 2.0| Respiratory Epithelium, Degeneration | 1 1 1 2 | 29 1.4| Respiratory Epithelium, Erosion | 2 2 | 4 2.3| Respiratory Epithelium, Metaplasia, | | | Squamous | 2 | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + | 50 | Hemorrhage | | 1 2.0| Inflammation, Acute | | 1 3.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 5 | Atrophy | | 1 4.0| Cataract | | 3 3.7| Retina, Degeneration | | 4 3.5| Sclera, Mineralization | | 2 2.5| __________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + | 50 | Inflammation, Acute | 3 | 1 3.0| Nephropathy, Chronic | 2 3 4 2 1 2 3 4 | 49 2.4| Pelvis, Calculus Micro Observation | | | Only | | 1 | Renal Tubule, Cyst | | 2 | Renal Tubule, Hyperplasia | | 1 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 Page 16 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 7| 7| 6| 4| 7| 7| 7| | | DAY ON TEST | 8| 9| 3| 2| 3| 5| 5| 2| 2| 3| | | | 3| 1| 2| 9| 3| 5| 9| 9| 2| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | A | 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Renal Tubule, Pigmentation | 2 3 2 2 1 2 2 3 2 | 49 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + | 50 | Infiltration Cellular, Lymphocyte | | 1 2.0| Inflammation, Chronic | | 1 2.0| __________________________________________________________________________________________________________________________________ * : 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 Page 17 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 4| 7| 7| 7| 7| 4| 7| 7| 4| 7| 5| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 4| 4| DAY ON TEST | 8| 5| 3| 3| 2| 3| 5| 3| 3| 5| 3| 5| 3| 2| 5| 2| 3| 3| 3| 3| 3| 5| 3| 5| 5| | 1| 7| 0| 3| 9| 2| 8| 2| 3| 8| 2| 4| 0| 9| 3| 9| 3| 1| 1| 3| 0| 8| 1| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + | Inflammation, Chronic | 2 | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + | Inflammation, Acute | 3 3 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + | Inflammation, Acute | 3 | Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + | Parasite Metazoan | X X X | Ulcer | 3 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + | Edema | | Erosion | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + | Edema | | Ulcer | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + | Edema | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + | Angiectasis | 2 | Congestion | 2 | Developmental Malformation | X X | Fatty Change | 3 | Focal Cellular Change | X X X X X X X X X X X X X X X X X | Granuloma | 2 2 2 2 2 2 | Hematopoietic Cell Proliferation | 1 | Hemorrhage | | Necrosis | 4 | Bile Duct, Hyperplasia | 2 2 1 2 1 1 1 1 2 1 1 1 2 3 1 | Portal, Inflammation, Chronic | 2 2 2 2 1 1 2 2 1 2 1 2 2 2 2 2 3 2 1 1 | __________________________________________________________________________| Mesentery | + | Fat, Necrosis | 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + | Acinus, Atrophy | 2 2 4 3 3 3 2 1 1 | Acinus, Hyperplasia | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + | Hyperkeratosis | 2 | Hyperplasia, Squamous | | Inflammation, Acute | | Inflammation, Chronic Active | 3 | _____________________________________________________________________________________________________________________| Page 18 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 4| 7| 7| 7| 7| 4| 7| 7| 4| 7| 5| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 4| 4| DAY ON TEST | 8| 5| 3| 3| 2| 3| 5| 3| 3| 5| 3| 5| 3| 2| 5| 2| 3| 3| 3| 3| 3| 5| 3| 5| 5| | 1| 7| 0| 3| 9| 2| 8| 2| 3| 8| 2| 4| 0| 9| 3| 9| 3| 1| 1| 3| 0| 8| 1| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Ulcer | 4 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + | Inflammation, Acute | | Mucosa, Dilatation | 2 2 1 1 1 1 2 2 2 2 2 2 2 2 | Mucosa, Erosion | 2 2 | __________________________________________________________________________| Tooth | | Pulp, Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + | Cardiomyopathy, Chronic | 2 2 2 2 2 1 2 2 1 2 2 2 3 2 2 2 2 1 2 1 2 | Atrium, Thrombosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + | Degeneration, Fatty | 1 2 2 2 4 2 1 2 1 1 3 | Hematopoietic Cell Proliferation | 1 | Hemorrhage | 4 | Hyperplasia | 2 2 2 2 2 2 2 2 1 2 2 2 | Hypertrophy | 2 2 2 2 | Pigmentation | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + M + | Hyperplasia | 3 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + | Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + M + + + + + + + + + M + + + + + + M + + | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + | Pars Distalis, Angiectasis | 2 2 3 | Pars Distalis, Cyst | X X X X X X | Pars Distalis, Hyperplasia | 3 3 3 3 3 3 2 3 | Pars Distalis, Metaplasia, Osseous | 2 | Pars Intermedia, Angiectasis | 3 | Pars Nervosa, Cyst | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + | Ultimobranchial Cyst | | C-Cell, Hyperplasia | 2 1 4 2 1 2 1 1 1 2 2 2 | Follicle, Ectasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 19 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 4| 7| 7| 7| 7| 4| 7| 7| 4| 7| 5| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 4| 4| DAY ON TEST | 8| 5| 3| 3| 2| 3| 5| 3| 3| 5| 3| 5| 3| 2| 5| 2| 3| 3| 3| 3| 3| 5| 3| 5| 5| | 1| 7| 0| 3| 9| 2| 8| 2| 3| 8| 2| 4| 0| 9| 3| 9| 3| 1| 1| 3| 0| 8| 1| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + | Hyperplasia | | Inflammation, Chronic | 2 1 2 2 2 1 | Inflammation, Chronic Active | 2 2 2 2 4 1 2 3 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + | Periovarian Tissue, Cyst | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + | Ectasia | 2 | Endometrium, Hyperplasia, Cystic | | Endometrium, Inflammation, Chronic | 2 | __________________________________________________________________________| Vagina | + + | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + | Myelofibrosis | 2 2 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + | Congestion | | Hyperplasia, Lymphoid | 2 2 | Pigmentation | | Mediastinal, Congestion | | Mediastinal, Hyperplasia, Lymphoid | | Mesenteric, Congestion | | Mesenteric, Hyperplasia, Lymphoid | 2 2 2 2 2 2 2 2 2 3 2 2 2 2 2 2 2 | Mesenteric, Inflammation, Acute | 3 | Renal, Congestion | | __________________________________________________________________________| Lymph Node, Mandibular | + M + + + + + + + + + + + + + + + + + + + | Congestion | 2 3 2 | Cyst | | Hyperplasia, Lymphoid | 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2 2 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + | Fibrosis | 3 | Hematopoietic Cell Proliferation | 1 4 3 3 3 2 2 2 4 2 3 1 3 2 2 4 4 3 2 2 | Hyperplasia, Lymphoid | | Infarct | | Pigmentation | 3 2 2 2 2 2 2 1 2 2 2 3 2 2 2 2 3 2 3 2 | Capsule, Fibrosis | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + M + M + + + | Congestion | 4 | Cyst | X | Hyperplasia, Lymphoid | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| Page 20 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 4| 7| 7| 7| 7| 4| 7| 7| 4| 7| 5| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 4| 4| DAY ON TEST | 8| 5| 3| 3| 2| 3| 5| 3| 3| 5| 3| 5| 3| 2| 5| 2| 3| 3| 3| 3| 3| 5| 3| 5| 5| | 1| 7| 0| 3| 9| 2| 8| 2| 3| 8| 2| 4| 0| 9| 3| 9| 3| 1| 1| 3| 0| 8| 1| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Acinus, Ectasia | 2 2 4 2 2 2 2 2 2 2 2 2 2 4 | Acinus, Hyperplasia | | Duct, Ectasia | 2 3 3 2 3 2 2 2 3 2 2 2 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + | Head, Inflammation, Chronic Active | | Lip, Inflammation, Chronic Active | 2 | Subcutaneous Tissue, Head, Granuloma | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + | Cranium, Osteopetrosis | 4 | Femur, Osteopetrosis | 4 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + | Compression | X X | Hemorrhage | 1 2 2 | Hydrocephalus | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + | Congestion | 4 | Hemorrhage | 1 3 1 1 | Infiltration Cellular | 2 | Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | Metaplasia, Osseous | | Alveolar Epithelium, Hyperplasia | | Alveolus, Infiltration Cellular, | | Histiocyte | 1 2 2 1 1 1 2 2 1 | Arteriole, Mineralization | 2 2 2 2 2 2 2 1 2 2 2 | Interstitium, Inflammation, Chronic | 1 1 1 | Interstitium, Inflammation, Chronic | | Active | | Peribronchiolar, Inflammation, Acute | | Peribronchiolar, Inflammation, | | Chronic | 4 1 1 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + | Lumen, Foreign Body | | Lumen, Hemorrhage | 1 3 2 2 2 4 3 2 3 2 2 2 2 2 2 2 | Mucosa, Inflammation, Acute | 1 1 3 1 2 2 3 2 2 2 2 3 2 3 2 2 3 | Mucosa, Inflammation | 2 | Nasolacrimal Duct, Inflammation, | | Acute | | Nasolacrimal Duct, Inflammation, | | _____________________________________________________________________________________________________________________| Page 21 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 4| 7| 7| 7| 7| 4| 7| 7| 4| 7| 5| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 4| 4| DAY ON TEST | 8| 5| 3| 3| 2| 3| 5| 3| 3| 5| 3| 5| 3| 2| 5| 2| 3| 3| 3| 3| 3| 5| 3| 5| 5| | 1| 7| 0| 3| 9| 2| 8| 2| 3| 8| 2| 4| 0| 9| 3| 9| 3| 1| 1| 3| 0| 8| 1| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Chronic Active | | Olfactory Epithelium, Degeneration | 2 2 2 3 2 2 3 2 3 1 3 3 2 3 2 3 2 2 2 2 3 | Olfactory Epithelium, Erosion | 2 2 2 2 2 | Olfactory Epithelium, Metaplasia | | Olfactory Epithelium, Metaplasia, | | Squamous | 2 | Respiratory Epithelium, Degeneration | 1 1 1 1 1 3 1 1 3 3 1 1 3 3 1 1 3 2 1 1 | Respiratory Epithelium, Erosion | 2 | Respiratory Epithelium, Metaplasia, | | Squamous | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Atrophy | | Cataract | 3 | Hemorrhage | 3 | Retina, Degeneration | 4 4 | Sclera, Mineralization | 2 | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + | Nephropathy, Chronic | 1 2 3 1 3 3 3 3 1 3 2 2 3 3 2 3 2 3 2 3 4 | Pelvis, Calculus Micro Observation | | Only | | Renal Tubule, Hyperplasia | | Renal Tubule, Hypertrophy | 2 | Renal Tubule, Pigmentation | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| Page 22 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 4| 7| 7| 7| 7| 5| 7| 7| 4| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 4| DAY ON TEST | 2| 5| 5| 3| 5| 1| 3| 2| 3| 3| 3| 3| 5| 7| 1| 3| 3| 7| 3| 3| 2| 8| 2| 3| 5| | 9| 3| 3| 3| 9| 7| 0| 9| 1| 7| 0| 2| 8| 6| 1| 2| 1| 9| 2| 3| 9| 1| 9| 1| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 600 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + | Inflammation, Chronic | | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + | Inflammation, Acute | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + | Inflammation, Acute | | Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + | Parasite Metazoan | X X | Ulcer | | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + | Edema | 3 | Erosion | 3 | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + | Edema | 3 | Ulcer | 3 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + | Edema | 3 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + | Angiectasis | 3 2 2 2 | Congestion | | Developmental Malformation | X | Fatty Change | 1 4 | Focal Cellular Change | X X X X X X X X X X X X X X X X X X | Granuloma | 2 1 1 2 2 3 | Hematopoietic Cell Proliferation | | Hemorrhage | 2 | Necrosis | | Bile Duct, Hyperplasia | 2 2 2 2 2 2 2 2 1 2 2 2 2 1 2 2 | Portal, Inflammation, Chronic | 2 2 2 2 1 2 2 1 1 1 2 2 2 2 2 2 3 1 2 2 | __________________________________________________________________________| Mesentery | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + | Acinus, Atrophy | 3 4 2 2 2 2 1 3 2 3 2 2 | Acinus, Hyperplasia | 2 2 2 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + | Hyperkeratosis | | Hyperplasia, Squamous | 2 3 | Inflammation, Acute | 2 4 4 | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| Page 23 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 4| 7| 7| 7| 7| 5| 7| 7| 4| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 4| DAY ON TEST | 2| 5| 5| 3| 5| 1| 3| 2| 3| 3| 3| 3| 5| 7| 1| 3| 3| 7| 3| 3| 2| 8| 2| 3| 5| | 9| 3| 3| 3| 9| 7| 0| 9| 1| 7| 0| 2| 8| 6| 1| 2| 1| 9| 2| 3| 9| 1| 9| 1| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 600 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Ulcer | 4 4 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + | Inflammation, Acute | 3 | Mucosa, Dilatation | 1 1 1 2 2 2 2 2 2 2 | Mucosa, Erosion | 2 4 | __________________________________________________________________________| Tooth | + | Pulp, Inflammation, Chronic Active | 4 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + | Cardiomyopathy, Chronic | 2 2 3 2 2 1 2 2 2 2 2 1 3 2 2 2 2 2 2 2 2 2 | Atrium, Thrombosis | X | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + | Degeneration, Fatty | 2 2 1 2 2 1 2 2 2 2 2 1 1 2 2 1 1 | Hematopoietic Cell Proliferation | | Hemorrhage | | Hyperplasia | 2 2 2 1 1 2 2 | Hypertrophy | 1 2 2 | Pigmentation | 2 2 2 1 2 2 2 2 1 2 2 1 2 2 2 2 2 2 2 2 2 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + | Hyperplasia | 2 1 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + | Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + M + M + + + + + + + + | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + | Pars Distalis, Angiectasis | | Pars Distalis, Cyst | X X X | Pars Distalis, Hyperplasia | 3 2 2 3 2 3 | Pars Distalis, Metaplasia, Osseous | | Pars Intermedia, Angiectasis | 3 | Pars Nervosa, Cyst | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + | Ultimobranchial Cyst | | C-Cell, Hyperplasia | 2 1 2 1 2 1 1 2 2 | Follicle, Ectasia | 2 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 24 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 4| 7| 7| 7| 7| 5| 7| 7| 4| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 4| DAY ON TEST | 2| 5| 5| 3| 5| 1| 3| 2| 3| 3| 3| 3| 5| 7| 1| 3| 3| 7| 3| 3| 2| 8| 2| 3| 5| | 9| 3| 3| 3| 9| 7| 0| 9| 1| 7| 0| 2| 8| 6| 1| 2| 1| 9| 2| 3| 9| 1| 9| 1| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 600 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + | Hyperplasia | 2 2 | Inflammation, Chronic | 2 2 2 2 1 2 1 2 1 2 2 | Inflammation, Chronic Active | 2 2 3 2 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + | Periovarian Tissue, Cyst | X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + | Ectasia | | Endometrium, Hyperplasia, Cystic | 3 2 | Endometrium, Inflammation, Chronic | | __________________________________________________________________________| Vagina | + | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + | Myelofibrosis | 1 1 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + | Congestion | | Hyperplasia, Lymphoid | | Pigmentation | | Mediastinal, Congestion | 2 | Mediastinal, Hyperplasia, Lymphoid | 2 | Mesenteric, Congestion | 2 2 2 | Mesenteric, Hyperplasia, Lymphoid | 2 2 2 2 2 2 2 2 2 2 2 | Mesenteric, Inflammation, Acute | | Renal, Congestion | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + | Congestion | 2 2 2 2 | Cyst | X | Hyperplasia, Lymphoid | 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + | Fibrosis | 3 | Hematopoietic Cell Proliferation | 2 2 2 3 2 3 2 3 2 2 2 2 1 2 2 2 2 4 2 3 | Hyperplasia, Lymphoid | 2 | Infarct | 4 | Pigmentation | 2 3 2 2 3 2 3 2 2 2 1 1 2 3 2 2 2 2 | Capsule, Fibrosis | 3 3 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + M M + + + | Congestion | | Cyst | X | Hyperplasia, Lymphoid | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| Page 25 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 4| 7| 7| 7| 7| 5| 7| 7| 4| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 4| DAY ON TEST | 2| 5| 5| 3| 5| 1| 3| 2| 3| 3| 3| 3| 5| 7| 1| 3| 3| 7| 3| 3| 2| 8| 2| 3| 5| | 9| 3| 3| 3| 9| 7| 0| 9| 1| 7| 0| 2| 8| 6| 1| 2| 1| 9| 2| 3| 9| 1| 9| 1| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 600 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Acinus, Ectasia | 4 2 4 2 3 2 2 2 2 2 2 2 2 2 2 | Acinus, Hyperplasia | 2 | Duct, Ectasia | 2 2 2 3 2 2 2 2 2 2 3 2 3 4 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + | Head, Inflammation, Chronic Active | 3 | Lip, Inflammation, Chronic Active | | Subcutaneous Tissue, Head, Granuloma | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + | Cranium, Osteopetrosis | | Femur, Osteopetrosis | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + | Compression | X X X X | Hemorrhage | 1 4 | Hydrocephalus | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + | Congestion | 3 3 | Hemorrhage | 1 3 2 | Infiltration Cellular | | Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | Metaplasia, Osseous | 2 | Alveolar Epithelium, Hyperplasia | 2 | Alveolus, Infiltration Cellular, | | Histiocyte | 2 1 2 1 2 2 1 1 | Arteriole, Mineralization | 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 1 | Interstitium, Inflammation, Chronic | 1 1 1 1 1 | Interstitium, Inflammation, Chronic | | Active | 1 2 | Peribronchiolar, Inflammation, Acute | 1 | Peribronchiolar, Inflammation, | | Chronic | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + | Lumen, Foreign Body | 2 | Lumen, Hemorrhage | 2 2 2 2 1 1 3 2 2 1 2 2 2 2 | Mucosa, Inflammation, Acute | 2 2 2 2 2 3 2 2 2 2 2 2 2 3 2 3 2 2 2 | Mucosa, Inflammation | | Nasolacrimal Duct, Inflammation, | | Acute | 1 2 | Nasolacrimal Duct, Inflammation, | | _____________________________________________________________________________________________________________________| Page 26 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 4| 7| 7| 7| 7| 5| 7| 7| 4| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 4| DAY ON TEST | 2| 5| 5| 3| 5| 1| 3| 2| 3| 3| 3| 3| 5| 7| 1| 3| 3| 7| 3| 3| 2| 8| 2| 3| 5| | 9| 3| 3| 3| 9| 7| 0| 9| 1| 7| 0| 2| 8| 6| 1| 2| 1| 9| 2| 3| 9| 1| 9| 1| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 600 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Chronic Active | 2 | Olfactory Epithelium, Degeneration | 2 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 2 2 3 | Olfactory Epithelium, Erosion | 2 1 2 | Olfactory Epithelium, Metaplasia | 2 | Olfactory Epithelium, Metaplasia, | | Squamous | | Respiratory Epithelium, Degeneration | 2 1 1 1 1 1 3 2 1 1 2 1 1 2 3 1 1 1 1 3 | Respiratory Epithelium, Erosion | | Respiratory Epithelium, Metaplasia, | | Squamous | 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + | Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Atrophy | 4 | Cataract | 3 | Hemorrhage | | Retina, Degeneration | 4 | Sclera, Mineralization | 3 | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + | Nephropathy, Chronic | 2 1 2 3 3 2 3 2 2 3 3 3 2 3 3 2 4 2 2 4 3 4 | Pelvis, Calculus Micro Observation | | Only | X | Renal Tubule, Hyperplasia | 1 | Renal Tubule, Hypertrophy | | Renal Tubule, Pigmentation | 2 2 2 2 2 2 2 2 1 1 2 2 2 2 2 2 2 2 2 2 2 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| Page 27 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 7| 5| 4| 7| 4| 7| 4| 7| 7| | | DAY ON TEST | 1| 3| 4| 5| 3| 5| 3| 5| 3| 3| | | | 4| 1| 0| 8| 0| 9| 2| 9| 3| 3| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | A | 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + | 50 | Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Intestine Large | + + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | A + + + + + + | 49 | Inflammation, Acute | | 2 3.0| __________________________________________________________________________|____________| Intestine Large, Colon | A + + + + + + | 49 | Inflammation, Acute | | 1 3.0| Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + | 50 | Parasite Metazoan | | 5 | Ulcer | | 1 3.0| __________________________________________________________________________|____________| Intestine Small | A + + + + + + | 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | A + + + + + + | 49 | Edema | | 1 3.0| Erosion | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Ileum | A + + + + + + | 49 | Edema | | 1 3.0| Ulcer | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | A + + + + + + | 49 | Edema | | 1 3.0| __________________________________________________________________________|____________| Liver | + + + + + + + | 50 | Angiectasis | 2 | 6 2.2| Congestion | | 1 2.0| Developmental Malformation | X X | 5 | Fatty Change | | 3 2.7| Focal Cellular Change | X X X X X 1 | 41 1.0| Granuloma | 2 | 13 1.9| Hematopoietic Cell Proliferation | 1 | 2 1.0| Hemorrhage | | 1 2.0| Necrosis | | 1 4.0| Bile Duct, Hyperplasia | 1 1 3 2 1 | 36 1.7| Portal, Inflammation, Chronic | 2 2 2 2 2 2 | 46 1.8| __________________________________________________________________________|____________| Mesentery | | 1 | Fat, Necrosis | | 1 4.0| __________________________________________________________________________|____________| Pancreas | M + + + + + + | 49 | Acinus, Atrophy | 2 2 2 | 24 2.3| Acinus, Hyperplasia | | 4 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + | 50 | __________________________________________________________________________|____________| Stomach | + + + + + + + | 50 | __________________________________________________________________________________________________________________________________ * : 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 Page 28 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 7| 5| 4| 7| 4| 7| 4| 7| 7| | | DAY ON TEST | 1| 3| 4| 5| 3| 5| 3| 5| 3| 3| | | | 4| 1| 0| 8| 0| 9| 2| 9| 3| 3| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | A | 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + | 50 | Hyperkeratosis | | 1 2.0| Hyperplasia, Squamous | | 2 2.5| Inflammation, Acute | | 3 3.3| Inflammation, Chronic Active | | 1 3.0| Ulcer | | 5 3.8| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + | 50 | Inflammation, Acute | | 1 3.0| Mucosa, Dilatation | 2 2 | 26 1.7| Mucosa, Erosion | | 4 2.5| __________________________________________________________________________|____________| Tooth | | 1 | Pulp, Inflammation, Chronic Active | | 1 4.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + | 50 | __________________________________________________________________________|____________| Heart | + + + + + + + | 50 | Cardiomyopathy, Chronic | 2 1 3 2 2 2 3 | 50 2.0| Atrium, Thrombosis | | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + M + + + | 49 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + M + + + | 49 | Degeneration, Fatty | 3 1 1 | 31 1.7| Hematopoietic Cell Proliferation | | 1 1.0| Hemorrhage | | 1 4.0| Hyperplasia | | 19 1.8| Hypertrophy | 2 2 | 9 1.9| Pigmentation | 2 2 2 2 2 | 48 1.9| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + M + + + | 48 | Hyperplasia | | 4 1.8| __________________________________________________________________________|____________| Islets, Pancreatic | M + + + + + + | 49 | Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + M + + | 44 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + | 50 | Pars Distalis, Angiectasis | | 3 2.3| Pars Distalis, Cyst | X X X X X | 14 | Pars Distalis, Hyperplasia | 2 3 2 | 17 2.6| Pars Distalis, Metaplasia, Osseous | | 1 2.0| Pars Intermedia, Angiectasis | | 2 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 Page 29 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 7| 5| 4| 7| 4| 7| 4| 7| 7| | | DAY ON TEST | 1| 3| 4| 5| 3| 5| 3| 5| 3| 3| | | | 4| 1| 0| 8| 0| 9| 2| 9| 3| 3| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | A | 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Pars Nervosa, Cyst | X | 1 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + | 50 | Ultimobranchial Cyst | X | 1 | C-Cell, Hyperplasia | 1 2 | 23 1.7| Follicle, Ectasia | 3 | 4 2.3| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + | 50 | Hyperplasia | | 2 2.0| Inflammation, Chronic | 2 1 2 | 20 1.7| Inflammation, Chronic Active | 2 | 14 2.2| __________________________________________________________________________|____________| Ovary | + + + + + + + | 50 | Periovarian Tissue, Cyst | | 1 | __________________________________________________________________________|____________| Uterus | + + + + + + + | 50 | Ectasia | | 1 2.0| Endometrium, Hyperplasia, Cystic | | 2 2.5| Endometrium, Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Vagina | + | 4 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | | 1 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + | 50 | Myelofibrosis | 2 1 2 1 | 9 1.6| __________________________________________________________________________|____________| Lymph Node | + + + + + + + | 50 | Congestion | 2 | 1 2.0| Hyperplasia, Lymphoid | 2 | 3 2.0| Pigmentation | 2 | 1 2.0| Mediastinal, Congestion | | 1 2.0| Mediastinal, Hyperplasia, Lymphoid | | 1 2.0| Mesenteric, Congestion | | 3 2.0| Mesenteric, Hyperplasia, Lymphoid | 2 3 2 2 | 32 2.1| Mesenteric, Inflammation, Acute | | 1 3.0| Renal, Congestion | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + M + + + + | 48 | Congestion | 2 | 8 2.1| Cyst | | 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 Page 30 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 7| 5| 4| 7| 4| 7| 4| 7| 7| | | DAY ON TEST | 1| 3| 4| 5| 3| 5| 3| 5| 3| 3| | | | 4| 1| 0| 8| 0| 9| 2| 9| 3| 3| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | A | 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Hyperplasia, Lymphoid | 3 3 2 2 | 42 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + | 50 | Fibrosis | 4 | 3 3.3| Hematopoietic Cell Proliferation | 3 2 2 3 3 3 | 46 2.5| Hyperplasia, Lymphoid | | 1 2.0| Infarct | | 1 4.0| Pigmentation | 2 2 2 2 2 1 | 44 2.1| Capsule, Fibrosis | | 2 3.0| __________________________________________________________________________|____________| Thymus | + + + + + + + | 46 | Congestion | 3 | 2 3.5| Cyst | | 2 | Hyperplasia, Lymphoid | 2 | 3 2.3| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + | 50 | Acinus, Ectasia | 1 3 2 2 4 | 34 2.3| Acinus, Hyperplasia | | 1 2.0| Duct, Ectasia | 2 3 2 | 31 2.4| __________________________________________________________________________|____________| Skin | + + + + + + + | 50 | Head, Inflammation, Chronic Active | | 1 3.0| Lip, Inflammation, Chronic Active | | 1 2.0| Subcutaneous Tissue, Head, Granuloma | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + | 50 | Cranium, Osteopetrosis | | 1 4.0| Femur, Osteopetrosis | | 1 4.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + | 50 | Compression | | 6 | Hemorrhage | 1 | 6 1.8| Hydrocephalus | | 2 2.5| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + | 50 | Congestion | 1 2 | 5 2.6| Hemorrhage | | 7 1.7| Infiltration Cellular | | 1 2.0| __________________________________________________________________________________________________________________________________ * : 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 Page 31 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 7| 5| 4| 7| 4| 7| 4| 7| 7| | | DAY ON TEST | 1| 3| 4| 5| 3| 5| 3| 5| 3| 3| | | | 4| 1| 0| 8| 0| 9| 2| 9| 3| 3| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | A | 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 | 49 2.0| Metaplasia, Osseous | | 1 2.0| Alveolar Epithelium, Hyperplasia | | 1 2.0| Alveolus, Infiltration Cellular, | | | Histiocyte | 2 2 2 | 20 1.6| Arteriole, Mineralization | 2 2 2 | 30 1.9| Interstitium, Inflammation, Chronic | 2 | 9 1.1| Interstitium, Inflammation, Chronic | | | Active | | 2 1.5| Peribronchiolar, Inflammation, Acute | | 1 1.0| Peribronchiolar, Inflammation, | | | Chronic | 1 | 5 1.6| __________________________________________________________________________|____________| Nose | + + + + + + + | 50 | Lumen, Foreign Body | | 1 2.0| Lumen, Hemorrhage | 2 2 2 4 | 34 2.1| Mucosa, Inflammation, Acute | 2 1 2 2 2 | 41 2.1| Mucosa, Inflammation | | 1 2.0| Nasolacrimal Duct, Inflammation, | | | Acute | | 2 1.5| Nasolacrimal Duct, Inflammation, | | | Chronic Active | | 1 2.0| Olfactory Epithelium, Degeneration | 2 3 3 2 2 3 | 48 2.3| Olfactory Epithelium, Erosion | 2 2 2 | 11 1.9| Olfactory Epithelium, Metaplasia | | 1 2.0| Olfactory Epithelium, Metaplasia, | | | Squamous | | 1 2.0| Respiratory Epithelium, Degeneration | 1 1 1 1 1 | 45 1.5| Respiratory Epithelium, Erosion | | 1 2.0| Respiratory Epithelium, Metaplasia, | | | Squamous | | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + | 50 | Inflammation, Chronic Active | | 1 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 4 | Atrophy | | 1 4.0| Cataract | | 2 3.0| Hemorrhage | | 1 3.0| Retina, Degeneration | | 3 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 Page 32 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 7| 5| 4| 7| 4| 7| 4| 7| 7| | | DAY ON TEST | 1| 3| 4| 5| 3| 5| 3| 5| 3| 3| | | | 4| 1| 0| 8| 0| 9| 2| 9| 3| 3| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | A | 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | Sclera, Mineralization | | 2 2.5| __________________________________________________________________________|____________| Zymbal's Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + | 50 | Nephropathy, Chronic | 3 2 3 2 3 | 48 2.6| Pelvis, Calculus Micro Observation | | | Only | | 1 | Renal Tubule, Hyperplasia | | 1 1.0| Renal Tubule, Hypertrophy | | 1 2.0| Renal Tubule, Pigmentation | 1 2 2 2 2 2 2 | 50 1.9| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + | 50 | __________________________________________________________________________________________________________________________________ * : 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 Page 33 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 5| 6| 1| 4| 4| 6| 7| 7| 7| 6| 7| 4| 6| 7| 6| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 2| 7| 3| 6| 9| 6| 5| 5| 4| 3| 3| 3| 4| 3| 5| 4| 3| 0| 2| 0| 5| 3| 3| 3| 3| | 9| 3| 1| 3| 3| 5| 8| 8| 0| 0| 3| 0| 8| 2| 8| 8| 1| 6| 9| 8| 8| 0| 0| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + M + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + M + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + M + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + M + + + + + + + + + + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + M + + M + + + + + + + + + + + + + +| Ulcer | | __________________________________________________________________________| Intestine Small | + + + + + + M + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + M + + + + + + + + + + + + + +| Erosion | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + M + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + M + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 1 2 | Developmental Malformation | X X | Fatty Change | 1 2 | Focal Cellular Change | 1 X X X X X X X X X X X X X X X| Granuloma | 2 2 2 | Hematopoietic Cell Proliferation | 2 | Hemorrhage | | Bile Duct, Hyperplasia | 2 1 1 1 2 1 1 2 2 2 2| Portal, Hyperplasia | 2 | Portal, Inflammation, Chronic | 2 2 2 1 1 1 1 2 2 2 1 1 2 2 2| Portal, Inflammation, Chronic Active | 2 | __________________________________________________________________________| Mesentery | + | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | 2 | Inflammation, Chronic Active | | Acinus, Atrophy | 1 2 2 2 2 2| Acinus, Vacuolization Cytoplasmic | 2 | Arteriole, Inflammation, Chronic | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | 2| Acinus, Atrophy | | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 3 | Inflammation, Chronic Active | 3 2 | Ulcer | 3 3 4 4 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + +| Foreign Body | | Inflammation, Acute | | Inflammation, Chronic Active | 2 2 | _____________________________________________________________________________________________________________________| Page 34 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 5| 6| 1| 4| 4| 6| 7| 7| 7| 6| 7| 4| 6| 7| 6| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 2| 7| 3| 6| 9| 6| 5| 5| 4| 3| 3| 3| 4| 3| 5| 4| 3| 0| 2| 0| 5| 3| 3| 3| 3| | 9| 3| 1| 3| 3| 5| 8| 8| 0| 0| 3| 0| 8| 2| 8| 8| 1| 6| 9| 8| 8| 0| 0| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Mucosa, Dilatation | 2 2 1 2 2 2 2 2 1 2 1 | Mucosa, Erosion | 3 1 | Mucosa, Mineralization | 2 | Serosa, Inflammation, Chronic Active | | __________________________________________________________________________| Tooth | | Peridontal Tissue, Inflammation, | | Chronic | | Pulp, Inflammation, Chronic | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + +| Aorta, Mineralization | 4 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy, Chronic | 1 1 2 1 3 2 2 3 2 2 2 2 2 1 3 3 3 2 2 2| Mineralization | 4 | Artery, Mineralization | 4 | Atrium, Thrombosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + M + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + M + + + + + + + + + +| Congestion | 3 | Degeneration, Fatty | 1 2 1 3 2 2 2 2 2 1 3 2 2 1 2| Hyperplasia | 2 2 1 2 1 1 | Hypertrophy | 2 | Inflammation, Chronic | | Pigmentation | 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + M + + + + + + + + + +| Hematopoietic Cell Proliferation | | Hyperplasia | 2 2 2| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + M + + + + + M| Hypertrophy | 3 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 3 | Pars Distalis, Congestion | 2 | Pars Distalis, Cyst | X X X X X| Pars Distalis, Hemorrhage | 4 | Pars Distalis, Hyperplasia | 3 2 2| Pars Intermedia, Angiectasis | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + +| Ultimobranchial Cyst | | C-Cell, Hyperplasia | 2 2 2 1 1 1 2 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| Page 35 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 5| 6| 1| 4| 4| 6| 7| 7| 7| 6| 7| 4| 6| 7| 6| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 2| 7| 3| 6| 9| 6| 5| 5| 4| 3| 3| 3| 4| 3| 5| 4| 3| 0| 2| 0| 5| 3| 3| 3| 3| | 9| 3| 1| 3| 3| 5| 8| 8| 0| 0| 3| 0| 8| 2| 8| 8| 1| 6| 9| 8| 8| 0| 0| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + M + + + + + + + + + + + + + +| Hyperplasia | 3 | Inflammation, Acute | 4 | Inflammation, Chronic | 1 2 2 2 1 2 2 2 2 2 1 1 2| Inflammation, Chronic Active | 2 3 | Duct, Ectasia | 4 | Duct, Hyperplasia, Squamous | 3 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + +| Follicle, Cyst | | Periovarian Tissue, Cyst | X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + +| Ectasia | | Endometrium, Ectasia | | Endometrium, Hyperplasia, Cystic | 2 1 | Endometrium, Inflammation, Chronic | 2 | Myometrium, Inflammation, Chronic | 2 | __________________________________________________________________________| Vagina | + + | Inflammation, Acute | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Myelofibrosis | 1 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + +| Congestion | 2 | Hyperplasia, Lymphoid | 2 2 2 3 | Inflammation, Acute | 4 | Mediastinal, Hyperplasia, Lymphoid | 2 | Mediastinal, Pigmentation | 2 | Mesenteric, Congestion | 2 2 2| Mesenteric, Hyperplasia, Lymphoid | 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2| __________________________________________________________________________| Lymph Node, Mandibular | + + + M + + M + + + + + + + M + + + + + +| Congestion | 2 2| Cyst | X X | Hyperplasia, Lymphoid | 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2| Inflammation, Acute | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 3 | Hematopoietic Cell Proliferation | 3 2 2 2 2 2 3 2 1 3 2 2 1 3 2 3 1| Hyperplasia, Lymphoid | | Infarct | | Pigmentation | 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 3 3 3| Capsule, Inflammation, Acute | | __________________________________________________________________________| Thymus | + M + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 36 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 5| 6| 1| 4| 4| 6| 7| 7| 7| 6| 7| 4| 6| 7| 6| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 2| 7| 3| 6| 9| 6| 5| 5| 4| 3| 3| 3| 4| 3| 5| 4| 3| 0| 2| 0| 5| 3| 3| 3| 3| | 9| 3| 1| 3| 3| 5| 8| 8| 0| 0| 3| 0| 8| 2| 8| 8| 1| 6| 9| 8| 8| 0| 0| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Congestion | 2 | Cyst | X X X | Hyperplasia, Lymphoid | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Acinus, Ectasia | 3 4 2 3 4 2 3 4 3 3 2 2| Acinus, Hyperplasia, Cystic | | Duct, Ectasia | 4 2 2 2 2 2 2 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | X | Head, Ulcer | 3 | Subcutaneous Tissue, Abscess | 4 | Subcutaneous Tissue, Head, Abscess | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + +| Cranium, Fibrous Osteodystrophy | 4 | Femur, Fibrous Osteodystrophy | 4 X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + +| Compression | X X X X X X X | Hemorrhage | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + +| Congestion | 2 2 3 | Hemorrhage | 1 2 | Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| Pigmentation, Cholesterol | 1 | Alveolar Epithelium, Hyperplasia | 3 | Alveolus, Infiltration Cellular, | | Histiocyte | 2 1 2 2 1 1 1 2 2 2 2 1 2 | Arteriole, Mineralization | 2 2 2 2 2 2 2 2 2 2| Interstitium, Inflammation, Chronic | | Interstitium, Inflammation, Chronic | | Active | 2 2 | Peribronchiolar, Inflammation, | | Chronic | 2 | Peribronchiolar, Inflammation, | | Chronic Active | | Pleura, Fibrosis | | _____________________________________________________________________________________________________________________| Page 37 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 5| 6| 1| 4| 4| 6| 7| 7| 7| 6| 7| 4| 6| 7| 6| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 2| 7| 3| 6| 9| 6| 5| 5| 4| 3| 3| 3| 4| 3| 5| 4| 3| 0| 2| 0| 5| 3| 3| 3| 3| | 9| 3| 1| 3| 3| 5| 8| 8| 0| 0| 3| 0| 8| 2| 8| 8| 1| 6| 9| 8| 8| 0| 0| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Smooth Muscle, Hyperplasia | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + +| Glands, Hyperplasia | | Lumen, Foreign Body | | Lumen, Hemorrhage | 2 2 1 3 2 3 1 2 3 2 2 3 2| Mucosa, Inflammation, Acute | 2 2 2 1 3 3 1 3 3 3 1 1 2 2 2| Nasolacrimal Duct, Inflammation, | | Acute | 2 2 | Olfactory Epithelium, Degeneration | 2 2 3 2 2 2 2 2 2 2 2 3 2 2 2 3 3 3 2| Olfactory Epithelium, Erosion | 2 2 2 1 2 2 | Olfactory Epithelium, Hemorrhage | | Olfactory Epithelium, Metaplasia | 2 | Olfactory Epithelium, Metaplasia, | | Squamous | 2 | Respiratory Epithelium, Degeneration | 1 2 1 1 1 2 2 2 2 3 1 1 1 3 2 2| Respiratory Epithelium, Erosion | 3 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Cataract | 3 | Anterior Chamber, Hemorrhage | 3 | Lids, Inflammation, Chronic Active | 2 | Retina, Degeneration | 4 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + +| Hydronephrosis | | Nephropathy, Chronic | 1 3 4 2 4 2 2 3 3 2 4 4 3 2 4 4 4 2 2 3| Capsule, Inflammation, Chronic | | Renal Tubule, Cyst | | Renal Tubule, Pigmentation | 1 2 2 2 1 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | | Inflammation, Chronic | | _____________________________________________________________________________________________________________________| Page 38 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 5| 4| 5| 4| 7| 5| 4| 7| 7| 4| 7| 7| 7| 4| 7| 6| 6| 4| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 6| 5| 6| 5| 3| 8| 5| 2| 3| 2| 3| 3| 3| 5| 3| 5| 6| 5| 2| 3| 2| 0| 0| 3| 3| | 1| 9| 4| 8| 3| 4| 9| 3| 2| 1| 0| 1| 2| 9| 3| 2| 7| 9| 9| 2| 9| 6| 6| 2| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 1200 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + +| Ulcer | 2 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + +| Erosion | 3 | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Developmental Malformation | X X | Fatty Change | | Focal Cellular Change | X X X X X X X X X X X X X X X X X X| Granuloma | 2 2 1 2 2 | Hematopoietic Cell Proliferation | 2 | Hemorrhage | 3| Bile Duct, Hyperplasia | 2 2 2 2 3 2 2 2 2 1 2 1 2 2 1| Portal, Hyperplasia | | Portal, Inflammation, Chronic | 1 2 1 1 2 3 2 1 1 2 2 2 2 2 1 2 2 1| Portal, Inflammation, Chronic Active | | __________________________________________________________________________| Mesentery | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | | Inflammation, Chronic Active | | Acinus, Atrophy | 1 2 2 2 2 2 2 | Acinus, Vacuolization Cytoplasmic | | Arteriole, Inflammation, Chronic | 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | | Acinus, Atrophy | 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 4 | Inflammation, Chronic Active | 3 | Ulcer | 4 4 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + +| Foreign Body | | Inflammation, Acute | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| Page 39 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 5| 4| 5| 4| 7| 5| 4| 7| 7| 4| 7| 7| 7| 4| 7| 6| 6| 4| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 6| 5| 6| 5| 3| 8| 5| 2| 3| 2| 3| 3| 3| 5| 3| 5| 6| 5| 2| 3| 2| 0| 0| 3| 3| | 1| 9| 4| 8| 3| 4| 9| 3| 2| 1| 0| 1| 2| 9| 3| 2| 7| 9| 9| 2| 9| 6| 6| 2| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 1200 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Mucosa, Dilatation | 2 2 2 2 2 2 2 2 2 2 2 2 2 1| Mucosa, Erosion | 1 | Mucosa, Mineralization | | Serosa, Inflammation, Chronic Active | | __________________________________________________________________________| Tooth | + | Peridontal Tissue, Inflammation, | | Chronic | | Pulp, Inflammation, Chronic | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + +| Aorta, Mineralization | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy, Chronic | 1 2 2 2 2 2 3 2 2 2 1 2 2 3 2 3 2 1| Mineralization | | Artery, Mineralization | | Atrium, Thrombosis | X | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + +| Congestion | | Degeneration, Fatty | 1 1 1 2 3 1 2 1 4 2 1 1 2 1| Hyperplasia | 1 2 1| Hypertrophy | 2 1 | Inflammation, Chronic | 2 | Pigmentation | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 1| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 | Hyperplasia | 2 3 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + M M + M + + M M + + + + + +| Hypertrophy | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | | Pars Distalis, Congestion | | Pars Distalis, Cyst | X X X X | Pars Distalis, Hemorrhage | | Pars Distalis, Hyperplasia | 3 2 3 | Pars Intermedia, Angiectasis | 4 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + +| Ultimobranchial Cyst | X X | C-Cell, Hyperplasia | 2 1 1 2 2 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| Page 40 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 5| 4| 5| 4| 7| 5| 4| 7| 7| 4| 7| 7| 7| 4| 7| 6| 6| 4| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 6| 5| 6| 5| 3| 8| 5| 2| 3| 2| 3| 3| 3| 5| 3| 5| 6| 5| 2| 3| 2| 0| 0| 3| 3| | 1| 9| 4| 8| 3| 4| 9| 3| 2| 1| 0| 1| 2| 9| 3| 2| 7| 9| 9| 2| 9| 6| 6| 2| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 1200 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | M M + + + + M M + + + + + + + + + M + +| Hyperplasia | | Inflammation, Acute | 4 | Inflammation, Chronic | 1 1 1 2 1 2 | Inflammation, Chronic Active | 2 2 1 | Duct, Ectasia | | Duct, Hyperplasia, Squamous | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + +| Follicle, Cyst | X | Periovarian Tissue, Cyst | X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + +| Ectasia | | Endometrium, Ectasia | 2 | Endometrium, Hyperplasia, Cystic | 2 4 1 2 | Endometrium, Inflammation, Chronic | | Myometrium, Inflammation, Chronic | | __________________________________________________________________________| Vagina | + | Inflammation, Acute | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 | Myelofibrosis | 1 1 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + +| Congestion | | Hyperplasia, Lymphoid | 2 2 2 2| Inflammation, Acute | | Mediastinal, Hyperplasia, Lymphoid | 2 | Mediastinal, Pigmentation | | Mesenteric, Congestion | 2 | Mesenteric, Hyperplasia, Lymphoid | 2 1 2 2 3 2 2 2 2 2| __________________________________________________________________________| Lymph Node, Mandibular | M M + M + + + + + + + M + + + + + + + +| Congestion | 2| Cyst | | Hyperplasia, Lymphoid | 2 2 1 2 2 2 2 2 2 2 2 2 1 2 2| Inflammation, Acute | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + +| Fibrosis | 3 | Hematopoietic Cell Proliferation | 3 2 2 2 2 2 2 2 2 4 1 2 3 1 2 2 2 2 2| Hyperplasia, Lymphoid | 2 | Infarct | 3 | Pigmentation | 2 2 2 2 2 2 2 2 2 1 4 2 1 2 2 2 2 2 2 2| Capsule, Inflammation, Acute | 2 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + M + M M +| _____________________________________________________________________________________________________________________| Page 41 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 5| 4| 5| 4| 7| 5| 4| 7| 7| 4| 7| 7| 7| 4| 7| 6| 6| 4| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 6| 5| 6| 5| 3| 8| 5| 2| 3| 2| 3| 3| 3| 5| 3| 5| 6| 5| 2| 3| 2| 0| 0| 3| 3| | 1| 9| 4| 8| 3| 4| 9| 3| 2| 1| 0| 1| 2| 9| 3| 2| 7| 9| 9| 2| 9| 6| 6| 2| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 1200 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Congestion | | Cyst | | Hyperplasia, Lymphoid | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Acinus, Ectasia | 4 2 3 2 3 3 2 4 2 2 2 2| Acinus, Hyperplasia, Cystic | | Duct, Ectasia | 3 3 2 2 3 2 4 3 2 2 2| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | | Head, Ulcer | | Subcutaneous Tissue, Abscess | | Subcutaneous Tissue, Head, Abscess | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + +| Cranium, Fibrous Osteodystrophy | X | Femur, Fibrous Osteodystrophy | 2 X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + +| Compression | X X X X | Hemorrhage | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + +| Congestion | 3 2| Hemorrhage | 3 | Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2 2 2| Pigmentation, Cholesterol | 2 | Alveolar Epithelium, Hyperplasia | 3 | Alveolus, Infiltration Cellular, | | Histiocyte | 1 1 1 1 2 2 1 1 2 2 3 1 1 1 1 2 2| Arteriole, Mineralization | 2 2 2 2 1 2 2 2 2 2 2 2 1| Interstitium, Inflammation, Chronic | 1 | Interstitium, Inflammation, Chronic | | Active | 1 1 | Peribronchiolar, Inflammation, | | Chronic | | Peribronchiolar, Inflammation, | | Chronic Active | 4 | Pleura, Fibrosis | 4 | _____________________________________________________________________________________________________________________| Page 42 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 5| 4| 5| 4| 7| 5| 4| 7| 7| 4| 7| 7| 7| 4| 7| 6| 6| 4| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 6| 5| 6| 5| 3| 8| 5| 2| 3| 2| 3| 3| 3| 5| 3| 5| 6| 5| 2| 3| 2| 0| 0| 3| 3| | 1| 9| 4| 8| 3| 4| 9| 3| 2| 1| 0| 1| 2| 9| 3| 2| 7| 9| 9| 2| 9| 6| 6| 2| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 1200 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Smooth Muscle, Hyperplasia | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + +| Glands, Hyperplasia | 4 | Lumen, Foreign Body | 2 | Lumen, Hemorrhage | 2 3 2 2 2 2 2 3 2 1 2 2| Mucosa, Inflammation, Acute | 1 2 2 2 2 2 2 2 3 2 2 2 2 2 2 1 2 2| Nasolacrimal Duct, Inflammation, | | Acute | 3 2 | Olfactory Epithelium, Degeneration | 1 2 2 2 2 2 2 2 2 2 2 2 2 3 3 2 2 3 2| Olfactory Epithelium, Erosion | 1 | Olfactory Epithelium, Hemorrhage | | Olfactory Epithelium, Metaplasia | 2 2 | Olfactory Epithelium, Metaplasia, | | Squamous | | Respiratory Epithelium, Degeneration | 1 1 1 1 1 1 1 1 2 1 3 2 2 2 1| Respiratory Epithelium, Erosion | 2 3 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Cataract | | Anterior Chamber, Hemorrhage | | Lids, Inflammation, Chronic Active | | Retina, Degeneration | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + +| Hydronephrosis | | Nephropathy, Chronic | 1 4 2 2 2 2 1 3 3 2 3 3 4 4 4 2 3 2 2 1| Capsule, Inflammation, Chronic | | Renal Tubule, Cyst | X | Renal Tubule, Pigmentation | 1 2 2 1 2 2 1 2 1 2 2 2 1 1 2 2 2 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | 2| Inflammation, Chronic | 2 | _____________________________________________________________________________________________________________________| Page 43 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 6| 7| 7| 7| 6| 7| 7| 7| 7| | | DAY ON TEST | 5| 5| 3| 3| 2| 3| 3| 2| 3| 3| | | | 9| 4| 3| 2| 9| 0| 3| 9| 3| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | A | 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + | 49 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + | 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + | 49 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + | 49 | Parasite Metazoan | | 2 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + | 48 | Ulcer | | 1 2.0| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + | 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + | 49 | Erosion | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + | 49 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + | 49 | __________________________________________________________________________|____________| Liver | + + + + + + + + + | 50 | Angiectasis | 2 2 1 | 6 1.7| Developmental Malformation | X | 5 | Fatty Change | | 2 1.5| Focal Cellular Change | X X X X X X X | 41 1.0| Granuloma | 2 2 | 10 1.9| Hematopoietic Cell Proliferation | | 2 2.0| Hemorrhage | | 1 3.0| Bile Duct, Hyperplasia | 1 2 2 2 2 | 31 1.7| Portal, Hyperplasia | | 1 2.0| Portal, Inflammation, Chronic | 1 1 2 1 2 2 2 | 40 1.6| Portal, Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Mesentery | + | 2 | Fat, Necrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + | 50 | Infiltration Cellular, Lymphocyte | | 1 2.0| Inflammation, Chronic Active | 2 | 1 2.0| Acinus, Atrophy | 2 2 | 15 1.9| Acinus, Vacuolization Cytoplasmic | | 1 2.0| Arteriole, Inflammation, Chronic | | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + | 50 | Infiltration Cellular, Lymphocyte | | 1 2.0| Acinus, Atrophy | | 1 2.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + | 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + | 50 | Hyperplasia, Squamous | 3 3 | 4 3.3| Inflammation, Chronic Active | | 3 2.7| __________________________________________________________________________________________________________________________________ * : 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 Page 44 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 6| 7| 7| 7| 6| 7| 7| 7| 7| | | DAY ON TEST | 5| 5| 3| 3| 2| 3| 3| 2| 3| 3| | | | 9| 4| 3| 2| 9| 0| 3| 9| 3| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | A | 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Ulcer | 4 | 9 3.8| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + | 50 | Foreign Body | 3 | 1 3.0| Inflammation, Acute | 2 | 1 2.0| Inflammation, Chronic Active | | 2 2.0| Mucosa, Dilatation | 2 2 2 | 28 1.9| Mucosa, Erosion | 2 2 | 5 1.8| Mucosa, Mineralization | | 1 2.0| Serosa, Inflammation, Chronic Active | 2 | 1 2.0| __________________________________________________________________________|____________| Tooth | + | 2 | Peridontal Tissue, Inflammation, | | | Chronic | 3 | 1 3.0| Pulp, Inflammation, Chronic | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + | 50 | Aorta, Mineralization | | 1 4.0| __________________________________________________________________________|____________| Heart | + + + + + + + + + | 50 | Cardiomyopathy, Chronic | 2 2 3 2 2 3 2 2 1 | 47 2.0| Mineralization | | 1 4.0| Artery, Mineralization | | 1 4.0| Atrium, Thrombosis | | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + | 49 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + | 49 | Congestion | | 1 3.0| Degeneration, Fatty | 2 2 2 3 1 2 3 1 | 37 1.8| Hyperplasia | | 9 1.4| Hypertrophy | 2 | 4 1.8| Inflammation, Chronic | | 1 2.0| Pigmentation | 2 2 2 2 2 2 2 2 2 | 48 1.9| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + | 49 | Hematopoietic Cell Proliferation | | 1 2.0| Hyperplasia | 1 | 6 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + | 50 | __________________________________________________________________________|____________| Parathyroid Gland | + M M + + + + + + | 41 | Hypertrophy | | 1 3.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + | 50 | __________________________________________________________________________________________________________________________________ * : 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 Page 45 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 6| 7| 7| 7| 6| 7| 7| 7| 7| | | DAY ON TEST | 5| 5| 3| 3| 2| 3| 3| 2| 3| 3| | | | 9| 4| 3| 2| 9| 0| 3| 9| 3| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | A | 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Pars Distalis, Angiectasis | | 1 3.0| Pars Distalis, Congestion | | 1 2.0| Pars Distalis, Cyst | X X | 11 | Pars Distalis, Hemorrhage | | 1 4.0| Pars Distalis, Hyperplasia | 2 | 7 2.4| Pars Intermedia, Angiectasis | 2 | 2 3.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + | 50 | Ultimobranchial Cyst | | 2 | C-Cell, Hyperplasia | 2 | 15 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + | 44 | Hyperplasia | 3 | 2 3.0| Inflammation, Acute | | 2 4.0| Inflammation, Chronic | 1 2 | 21 1.6| Inflammation, Chronic Active | 2 1 | 7 1.9| Duct, Ectasia | | 1 4.0| Duct, Hyperplasia, Squamous | | 1 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + | 50 | Follicle, Cyst | | 1 | Periovarian Tissue, Cyst | | 2 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + | 50 | Ectasia | 2 | 1 2.0| Endometrium, Ectasia | | 1 2.0| Endometrium, Hyperplasia, Cystic | 1 | 7 1.9| Endometrium, Inflammation, Chronic | | 1 2.0| Myometrium, Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Vagina | | 3 | Inflammation, Acute | | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + | 50 | Hyperplasia | | 1 4.0| Myelofibrosis | 1 | 4 1.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + | 50 | Congestion | | 1 2.0| __________________________________________________________________________________________________________________________________ * : 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 Page 46 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 6| 7| 7| 7| 6| 7| 7| 7| 7| | | DAY ON TEST | 5| 5| 3| 3| 2| 3| 3| 2| 3| 3| | | | 9| 4| 3| 2| 9| 0| 3| 9| 3| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | A | 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Hyperplasia, Lymphoid | 2 2 | 10 2.1| Inflammation, Acute | | 1 4.0| Mediastinal, Hyperplasia, Lymphoid | | 2 2.0| Mediastinal, Pigmentation | | 1 2.0| Mesenteric, Congestion | | 4 2.0| Mesenteric, Hyperplasia, Lymphoid | 1 2 2 | 29 1.9| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + M + + + + | 42 | Congestion | | 3 2.0| Cyst | | 2 | Hyperplasia, Lymphoid | 2 2 3 2 2 2 2 | 39 1.9| Inflammation, Acute | 3 | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + | 50 | Fibrosis | | 3 2.7| Hematopoietic Cell Proliferation | 2 2 2 3 2 2 1 2 | 44 2.1| Hyperplasia, Lymphoid | | 1 2.0| Infarct | | 1 3.0| Pigmentation | 2 2 1 4 1 2 1 2 | 47 2.0| Capsule, Inflammation, Acute | | 1 2.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + | 46 | Congestion | | 1 2.0| Cyst | | 3 | Hyperplasia, Lymphoid | | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + | 50 | Inflammation, Chronic | 3 | 1 3.0| Acinus, Ectasia | 2 4 2 | 27 2.7| Acinus, Hyperplasia, Cystic | 4 | 1 4.0| Duct, Ectasia | 2 1 3 2 | 23 2.4| __________________________________________________________________________|____________| Skin | + + + + + + + + + | 50 | Cyst Epithelial Inclusion | | 1 | Head, Ulcer | | 1 3.0| Subcutaneous Tissue, Abscess | | 1 4.0| Subcutaneous Tissue, Head, Abscess | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + | 50 | Cranium, Fibrous Osteodystrophy | | 2 4.0| Femur, Fibrous Osteodystrophy | | 4 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 Page 47 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 6| 7| 7| 7| 6| 7| 7| 7| 7| | | DAY ON TEST | 5| 5| 3| 3| 2| 3| 3| 2| 3| 3| | | | 9| 4| 3| 2| 9| 0| 3| 9| 3| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | A | 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + | 49 | Compression | X X | 13 | Hemorrhage | 2 | 3 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + | 50 | Congestion | 1 | 6 2.2| Hemorrhage | 1 | 4 1.8| Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 2 2 | 50 2.0| Pigmentation, Cholesterol | | 2 1.5| Alveolar Epithelium, Hyperplasia | | 2 3.0| Alveolus, Infiltration Cellular, | | | Histiocyte | 2 2 1 2 1 2 | 36 1.6| Arteriole, Mineralization | 2 2 2 | 26 1.9| Interstitium, Inflammation, Chronic | 1 | 2 1.0| Interstitium, Inflammation, Chronic | | | Active | | 4 1.5| Peribronchiolar, Inflammation, | | | Chronic | | 1 2.0| Peribronchiolar, Inflammation, | | | Chronic Active | | 1 4.0| Pleura, Fibrosis | | 1 4.0| Smooth Muscle, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + | 50 | Glands, Hyperplasia | | 1 4.0| Lumen, Foreign Body | | 1 2.0| Lumen, Hemorrhage | 2 3 2 1 2 2 2 | 32 2.1| Mucosa, Inflammation, Acute | 1 2 2 2 2 2 2 2 | 41 2.0| Nasolacrimal Duct, Inflammation, | | | Acute | 2 1 | 6 2.0| Olfactory Epithelium, Degeneration | 2 3 2 2 2 2 2 2 2 | 47 2.2| Olfactory Epithelium, Erosion | 1 2 2 | 10 1.7| Olfactory Epithelium, Hemorrhage | 2 | 1 2.0| Olfactory Epithelium, Metaplasia | 2 1 | 5 1.8| Olfactory Epithelium, Metaplasia, | | | Squamous | | 1 2.0| Respiratory Epithelium, Degeneration | 2 1 1 1 1 3 2 1 | 39 1.5| __________________________________________________________________________________________________________________________________ * : 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 Page 48 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 6| 7| 7| 7| 6| 7| 7| 7| 7| | | DAY ON TEST | 5| 5| 3| 3| 2| 3| 3| 2| 3| 3| | | | 9| 4| 3| 2| 9| 0| 3| 9| 3| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | A | 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Respiratory Epithelium, Erosion | | 3 2.7| __________________________________________________________________________|____________| Trachea | + + + + + + + + + | 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 3 | Cataract | 2 | 2 2.5| Anterior Chamber, Hemorrhage | | 1 3.0| Lids, Inflammation, Chronic Active | | 1 2.0| Retina, Degeneration | 4 | 2 4.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + | 50 | Hydronephrosis | 4 | 1 4.0| Nephropathy, Chronic | 2 3 3 4 3 4 3 2 4 | 49 2.8| Capsule, Inflammation, Chronic | 2 | 1 2.0| Renal Tubule, Cyst | | 1 | Renal Tubule, Pigmentation | 2 2 2 1 2 2 2 2 1 | 48 1.7| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + | 50 | Infiltration Cellular, Lymphocyte | | 1 2.0| Inflammation, Chronic | 2 | 2 2.0| __________________________________________________________________________________________________________________________________ * : 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 Page 49 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 3| 7| 5| 6| 7| 7| 6| 7| 4| 7| 4| 7| DAY ON TEST | 5| 3| 2| 3| 3| 3| 3| 3| 3| 4| 3| 3| 0| 3| 3| 8| 5| 3| 3| 2| 3| 5| 3| 7| 2| | 9| 0| 9| 0| 3| 0| 2| 2| 3| 5| 3| 1| 1| 8| 1| 9| 2| 3| 1| 5| 0| 9| 3| 3| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + M + + + + + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | 3 | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + M + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 1 | Congestion | | Developmental Malformation | X | Fatty Change | 2 | Focal Cellular Change | X X X X X X X X X X X X| Granuloma | | Necrosis | 3 | Bile Duct, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 2 2| Portal, Inflammation, Chronic | 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| __________________________________________________________________________| Mesentery | + | Fat, Necrosis | 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 1 2 2 2 2 2 2 3 2 2 2 1 3| Acinus, Hyperplasia | | Artery, Inflammation, Chronic | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Erosion | 3 | Hyperplasia, Squamous | 2 2 | Inflammation, Acute | 2 3 | Inflammation, Chronic Active | 2 3 | Ulcer | 4 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 3 | Mucosa, Dilatation | 2 2 2 1 2 1 2 2 | Mucosa, Ectasia | 2 2 | Mucosa, Erosion | 2 | _____________________________________________________________________________________________________________________| Page 50 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 3| 7| 5| 6| 7| 7| 6| 7| 4| 7| 4| 7| DAY ON TEST | 5| 3| 2| 3| 3| 3| 3| 3| 3| 4| 3| 3| 0| 3| 3| 8| 5| 3| 3| 2| 3| 5| 3| 7| 2| | 9| 0| 9| 0| 3| 0| 2| 2| 3| 5| 3| 1| 1| 8| 1| 9| 2| 3| 1| 5| 0| 9| 3| 3| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Mucosa, Ulcer | 4 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy, Chronic | 2 2 2 2 2 2 2 2 2 3 2 3 2 2 2 3 2 2 3 3 3 1 3| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Fatty | 1 2 2 2 2 2 2 2 2 2 3 2 1 2 3 2 | Hyperplasia | 2 1 1 2 1 2 2 2 2 | Hypertrophy | 1 2 2 | Pigmentation | 2 1 1 1 1 1 2 1 1 2 1 2 2 1 1 2 1 2 2 1| __________________________________________________________________________| Adrenal Gland, Medulla | M + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 2 2| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + M M + + + M + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + M + + + + + + + + + + + + + +| Pars Distalis, Atrophy | | Pars Distalis, Cyst | X | Pars Distalis, Hemorrhage | 4 | Pars Distalis, Hyperplasia | 2 2 1 2 3 1 2 2 2 3 | Pars Intermedia, Cyst | X X | Pars Nervosa, Pigmentation | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | 2 | Ultimobranchial Cyst | X | C-Cell, Hyperplasia | 2 2 3 1 1 3 2| Follicle, Ectasia | 2 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + +| Abscess | 3 3 4 | Inflammation, Acute | 4 | Inflammation, Chronic | 2 2 2 1 2 1 2 2 2 2 2 2| Inflammation, Chronic Active | 3 2 | Duct, Ectasia | | _____________________________________________________________________________________________________________________| Page 51 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 3| 7| 5| 6| 7| 7| 6| 7| 4| 7| 4| 7| DAY ON TEST | 5| 3| 2| 3| 3| 3| 3| 3| 3| 4| 3| 3| 0| 3| 3| 8| 5| 3| 3| 2| 3| 5| 3| 7| 2| | 9| 0| 9| 0| 3| 0| 2| 2| 3| 5| 3| 1| 1| 8| 1| 9| 2| 3| 1| 5| 0| 9| 3| 3| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 | Hyperplasia | 2 2 2 | Inflammation, Acute | 3 4 2 | Inflammation, Chronic | | Inflammation, Chronic Active | 2 2 1 2 3 2 3| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 2 3 2 | Interstitial Cell, Hyperplasia | 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 3 2| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + +| Edema | 2 | Hyperplasia, Lymphoid | | Mediastinal, Congestion | 2 | Mesenteric, Congestion | 1 | Mesenteric, Hyperplasia, Lymphoid | 2 2 1 2 2 2 2 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + M + + + M + M M + + M + + M +| Congestion | 2 2 3 3 2 2 | Cyst | X | Hyperplasia, Lymphoid | 2 2 2 2 2 2 2 2 2 2 2 2 2 2| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 3 | Hematopoietic Cell Proliferation | 2 2 2 3 2 2 2 2 2 2 2 2 3 3 2 2 3 2 2 2 2 2| Hyperplasia, Lymphoid | 2 | Mineralization | | Pigmentation | 2 2 2 3 2 2 2 2 2 2 2 2 3 2 2 2 2 2 1 2 2| __________________________________________________________________________| Thymus | + + M + M + + + + + + + + + + M + + + + + + +| Congestion | 3 | Cyst | X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 2 | Inflammation, Chronic | | Acinus, Ectasia | 2 2 2 1 2 3 4 2 2 2 2 1 3 2| Duct, Ectasia | 2 2 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | X | Epidermis, Cyst | 3 | Hair Follicle, Head, Hemorrhage | | _____________________________________________________________________________________________________________________| Page 52 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 3| 7| 5| 6| 7| 7| 6| 7| 4| 7| 4| 7| DAY ON TEST | 5| 3| 2| 3| 3| 3| 3| 3| 3| 4| 3| 3| 0| 3| 3| 8| 5| 3| 3| 2| 3| 5| 3| 7| 2| | 9| 0| 9| 0| 3| 0| 2| 2| 3| 5| 3| 1| 1| 8| 1| 9| 2| 3| 1| 5| 0| 9| 3| 3| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Hair Follicle, Head, Inflammation, | | Acute | 2 | Head, Inflammation, Acute | | Head, Inflammation, Chronic Active | | Tail, Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + +| Cranium, Fibrous Osteodystrophy | 3 | Femur, Fibrous Osteodystrophy | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + +| Compression | X | Hemorrhage | 3 3 2 2 | Necrosis | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 2 3 | Hemorrhage | 3 1 | Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2| Pigmentation, Cholesterol | 1 | Alveolar Epithelium, Hyperplasia | 2 | Alveolus, Infiltration Cellular, | | Histiocyte | 2 2 2 2 2 2 2 2 2 1 1 1 2 1 1| Arteriole, Mineralization | 2 2 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2| Bronchiole, Mineralization | 1 | Interstitium, Inflammation, Chronic | 2 2 1 | Interstitium, Inflammation, Chronic | | Active | 1 1 1 | Pleura, Inflammation, Chronic Active | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Lumen, Foreign Body | | Lumen, Hemorrhage | 3 3 2 2 2 2 2 2 2 3 3 4 2 2 4 2 2 3| Mucosa, Inflammation, Acute | 2 2 2 1 1 2 2 1 2 2 2 2| Mucosa, Inflammation, Chronic Active | | Nasolacrimal Duct, Inflammation, | | Acute | 1 3 2 | Nasolacrimal Duct, Inflammation | 2 | Nasopharyngeal Duct, Inflammation, | | Acute | 2 | Olfactory Epithelium, Degeneration | 2 2 2 2 1 1 2 2 2 1 2 2 2 2 2 2 2 1| _____________________________________________________________________________________________________________________| Page 53 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 3| 7| 5| 6| 7| 7| 6| 7| 4| 7| 4| 7| DAY ON TEST | 5| 3| 2| 3| 3| 3| 3| 3| 3| 4| 3| 3| 0| 3| 3| 8| 5| 3| 3| 2| 3| 5| 3| 7| 2| | 9| 0| 9| 0| 3| 0| 2| 2| 3| 5| 3| 1| 1| 8| 1| 9| 2| 3| 1| 5| 0| 9| 3| 3| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Respiratory Epithelium, Degeneration | 2 2 2 1 1 3 1 2 1 2 | Respiratory Epithelium, Erosion | 2 | Respiratory Epithelium, Metaplasia, | | Squamous | | Vomeronasal Organ, Inflammation, | | Acute | 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Cataract | 4 | Retina, Degeneration | 4 | Sclera, Mineralization | | __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | 2 | Nephropathy, Chronic | 3 3 2 2 2 4 2 2 2 3 2 4 2 4 2 3 2 4 2 4 3 3| Renal Tubule, Cyst | | Renal Tubule, Hyperplasia | 1 | Renal Tubule, Pigmentation | 2 2 2 1 2 2 2 2 2 2 2 2 1 1 2 2 1 2 2 2 2 2 2| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + +| Calculus Gross Observation | | Hemorrhage | | Inflammation, Acute | | Inflammation, Chronic | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| Page 54 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 6| 4| 7| 7| 4| 6| 6| 7| 6| 4| 6| 7| 6| 7| 4| 6| 7| 7| 4| 7| 6| 6| 6| 4| DAY ON TEST | 5| 3| 5| 3| 3| 7| 1| 6| 3| 7| 5| 2| 3| 7| 2| 5| 2| 3| 3| 5| 3| 1| 0| 7| 5| | 9| 1| 8| 2| 2| 2| 4| 3| 2| 3| 8| 5| 2| 2| 9| 9| 2| 1| 3| 8| 0| 8| 2| 6| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 0 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + | Inflammation, Acute | 2 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + | Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + | Parasite Metazoan | X X | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + | Ulcer | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + | Angiectasis | 2 2 3 | Congestion | 3 3 2 | Developmental Malformation | | Fatty Change | 3 | Focal Cellular Change | X X X X X X X X X X | Granuloma | 2 | Necrosis | 2 | Bile Duct, Hyperplasia | 3 2 2 2 2 2 2 2 2 2 2 2 2 2 3 1 2 4 | Portal, Inflammation, Chronic | 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 1 2 2 | __________________________________________________________________________| Mesentery | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + | Acinus, Atrophy | 2 4 4 4 4 3 4 3 2 2 1 1 3 | Acinus, Hyperplasia | | Artery, Inflammation, Chronic | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + | Infiltration Cellular, Lymphocyte | 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + | Cyst | X | Erosion | | Hyperplasia, Squamous | | Inflammation, Acute | 3 2 | Inflammation, Chronic Active | 3 | Ulcer | 3 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + | Inflammation, Acute | | Mucosa, Dilatation | 2 2 2 2 1 | Mucosa, Ectasia | | Mucosa, Erosion | 1 | _____________________________________________________________________________________________________________________| Page 55 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 6| 4| 7| 7| 4| 6| 6| 7| 6| 4| 6| 7| 6| 7| 4| 6| 7| 7| 4| 7| 6| 6| 6| 4| DAY ON TEST | 5| 3| 5| 3| 3| 7| 1| 6| 3| 7| 5| 2| 3| 7| 2| 5| 2| 3| 3| 5| 3| 1| 0| 7| 5| | 9| 1| 8| 2| 2| 2| 4| 3| 2| 3| 8| 5| 2| 2| 9| 9| 2| 1| 3| 8| 0| 8| 2| 6| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 0 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Mucosa, Ulcer | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + | Cardiomyopathy, Chronic | 2 3 3 2 2 2 3 3 3 3 3 3 3 3 3 3 4 2 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + | Degeneration, Fatty | 2 2 2 1 2 2 2 2 2 1 2 2 3 2 | Hyperplasia | 2 2 2 | Hypertrophy | | Pigmentation | 2 1 2 2 2 2 1 2 2 2 2 1 1 2 2 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + | Hyperplasia | 1 2 2 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + | Hyperplasia | 3 | __________________________________________________________________________| Parathyroid Gland | + + + M + + + M + + M + + + + + + M + | Hyperplasia | 2 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + | Pars Distalis, Atrophy | 2 | Pars Distalis, Cyst | X | Pars Distalis, Hemorrhage | | Pars Distalis, Hyperplasia | 2 2 2 3 2 | Pars Intermedia, Cyst | | Pars Nervosa, Pigmentation | 3 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + | Infiltration Cellular, Lymphocyte | | Ultimobranchial Cyst | | C-Cell, Hyperplasia | 1 1 2 1 | Follicle, Ectasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + | Abscess | | Inflammation, Acute | | Inflammation, Chronic | 2 2 2 2 2 2 2 2 2 2 2 2 2 | Inflammation, Chronic Active | 2 2 2 3 | Duct, Ectasia | | _____________________________________________________________________________________________________________________| Page 56 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 6| 4| 7| 7| 4| 6| 6| 7| 6| 4| 6| 7| 6| 7| 4| 6| 7| 7| 4| 7| 6| 6| 6| 4| DAY ON TEST | 5| 3| 5| 3| 3| 7| 1| 6| 3| 7| 5| 2| 3| 7| 2| 5| 2| 3| 3| 5| 3| 1| 0| 7| 5| | 9| 1| 8| 2| 2| 2| 4| 3| 2| 3| 8| 5| 2| 2| 9| 9| 2| 1| 3| 8| 0| 8| 2| 6| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 0 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + | Atrophy | | Hyperplasia | 2 2 2 3 | Inflammation, Acute | 2 2 | Inflammation, Chronic | 4 | Inflammation, Chronic Active | 3 3 3 3 3 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + | Atrophy | 2 3 1 3 2 3 | Interstitial Cell, Hyperplasia | 2 2 2 1 2 2 2 1 2 2 2 2 2 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + | Myelofibrosis | 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + | Edema | | Hyperplasia, Lymphoid | 2 | Mediastinal, Congestion | | Mesenteric, Congestion | | Mesenteric, Hyperplasia, Lymphoid | 2 2 2 1 2 2 2 | __________________________________________________________________________| Lymph Node, Mandibular | M + + M + + M + M + + + M + + + M M + | Congestion | 2 2 2 | Cyst | | Hyperplasia, Lymphoid | 2 2 1 2 3 2 2 2 2 2 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + | Fibrosis | 3 3 | Hematopoietic Cell Proliferation | 2 2 1 2 2 3 3 2 2 2 2 2 2 2 2 | Hyperplasia, Lymphoid | 2 | Mineralization | 2 | Pigmentation | 2 2 2 3 2 2 2 2 2 2 2 2 2 1 | __________________________________________________________________________| Thymus | + + + + + + + M + + M + + + + + + + + | Congestion | 2 | Cyst | X X X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + | Inflammation, Acute | 2 | Inflammation, Chronic | | Acinus, Ectasia | 2 3 4 4 3 3 2 2 2 2 2 2 2 3 2 | Duct, Ectasia | 1 2 3 2 2 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + | Cyst Epithelial Inclusion | | Epidermis, Cyst | | Hair Follicle, Head, Hemorrhage | 2 | _____________________________________________________________________________________________________________________| Page 57 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 6| 4| 7| 7| 4| 6| 6| 7| 6| 4| 6| 7| 6| 7| 4| 6| 7| 7| 4| 7| 6| 6| 6| 4| DAY ON TEST | 5| 3| 5| 3| 3| 7| 1| 6| 3| 7| 5| 2| 3| 7| 2| 5| 2| 3| 3| 5| 3| 1| 0| 7| 5| | 9| 1| 8| 2| 2| 2| 4| 3| 2| 3| 8| 5| 2| 2| 9| 9| 2| 1| 3| 8| 0| 8| 2| 6| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 0 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Hair Follicle, Head, Inflammation, | | Acute | | Head, Inflammation, Acute | | Head, Inflammation, Chronic Active | | Tail, Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + | Cranium, Fibrous Osteodystrophy | | Femur, Fibrous Osteodystrophy | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + | Compression | X X X X | Hemorrhage | 4 2 2 3 2 | Necrosis | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + | Congestion | 3 4 3 2 | Hemorrhage | 2 1 3 1 2 1 | Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | Pigmentation, Cholesterol | | Alveolar Epithelium, Hyperplasia | 1 | Alveolus, Infiltration Cellular, | | Histiocyte | 2 1 2 2 2 1 | Arteriole, Mineralization | 2 2 2 2 2 1 2 2 1 2 2 2 2 1 2 | Bronchiole, Mineralization | | Interstitium, Inflammation, Chronic | 1 | Interstitium, Inflammation, Chronic | | Active | 1 1 | Pleura, Inflammation, Chronic Active | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + | Inflammation, Chronic Active | 2 | Lumen, Foreign Body | 2 2 2 | Lumen, Hemorrhage | 1 2 2 2 2 2 1 2 3 2 1 | Mucosa, Inflammation, Acute | 2 1 1 2 2 1 3 2 2 2 2 1 | Mucosa, Inflammation, Chronic Active | 2 | Nasolacrimal Duct, Inflammation, | | Acute | 2 | Nasolacrimal Duct, Inflammation | | Nasopharyngeal Duct, Inflammation, | | Acute | | Olfactory Epithelium, Degeneration | 1 2 2 2 2 2 2 2 2 2 2 2 2 | _____________________________________________________________________________________________________________________| Page 58 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 6| 4| 7| 7| 4| 6| 6| 7| 6| 4| 6| 7| 6| 7| 4| 6| 7| 7| 4| 7| 6| 6| 6| 4| DAY ON TEST | 5| 3| 5| 3| 3| 7| 1| 6| 3| 7| 5| 2| 3| 7| 2| 5| 2| 3| 3| 5| 3| 1| 0| 7| 5| | 9| 1| 8| 2| 2| 2| 4| 3| 2| 3| 8| 5| 2| 2| 9| 9| 2| 1| 3| 8| 0| 8| 2| 6| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 0 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Respiratory Epithelium, Degeneration | 1 2 1 | Respiratory Epithelium, Erosion | 2 | Respiratory Epithelium, Metaplasia, | | Squamous | 2 | Vomeronasal Organ, Inflammation, | | Acute | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Cataract | | Retina, Degeneration | | Sclera, Mineralization | 3 | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + | Infiltration Cellular, Lymphocyte | | Nephropathy, Chronic | 4 3 2 2 2 4 4 3 2 3 2 3 2 3 4 2 4 3 4 | Renal Tubule, Cyst | X | Renal Tubule, Hyperplasia | 1 | Renal Tubule, Pigmentation | 2 2 2 1 2 1 2 2 3 2 2 2 1 2 2 2 1 2 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + | Calculus Gross Observation | X | Hemorrhage | 2 | Inflammation, Acute | 3 | Inflammation, Chronic | 3 | Inflammation, Chronic Active | 3 | _____________________________________________________________________________________________________________________| Page 59 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 7| 6| 4| 4| 4| 7| 7| 7| 7| 7| | | DAY ON TEST | 2| 7| 1| 5| 5| 3| 2| 3| 3| 2| | | | 9| 7| 6| 8| 9| 1| 9| 1| 0| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | A | 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + | 50 | Inflammation, Acute | | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + | 50 | Parasite Metazoan | | 2 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + | 49 | Parasite Metazoan | | 2 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + | 50 | Ulcer | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + | 49 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + | 50 | __________________________________________________________________________|____________| Liver | + + + + + + + + | 50 | Angiectasis | 1 | 7 1.9| Congestion | | 3 2.7| Developmental Malformation | | 1 | Fatty Change | 2 | 3 2.3| Focal Cellular Change | X X X X X X | 28 | Granuloma | | 1 2.0| Necrosis | | 2 2.5| Bile Duct, Hyperplasia | 2 2 2 4 3 1 1 2 | 48 2.1| Portal, Inflammation, Chronic | 2 2 2 2 1 2 1 2 | 48 1.9| __________________________________________________________________________|____________| Mesentery | + | 2 | Fat, Necrosis | 3 | 2 3.5| __________________________________________________________________________|____________| Pancreas | + + + + + + + + | 50 | Acinus, Atrophy | 2 2 3 2 | 30 2.4| Acinus, Hyperplasia | 2 | 1 2.0| Artery, Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + | 50 | Infiltration Cellular, Lymphocyte | | 1 2.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + | 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + | 50 | Cyst | | 1 | Erosion | | 1 3.0| Hyperplasia, Squamous | | 2 2.0| Inflammation, Acute | | 4 2.5| Inflammation, Chronic Active | | 3 2.7| Ulcer | | 4 3.8| __________________________________________________________________________________________________________________________________ * : 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 Page 60 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 7| 6| 4| 4| 4| 7| 7| 7| 7| 7| | | DAY ON TEST | 2| 7| 1| 5| 5| 3| 2| 3| 3| 2| | | | 9| 7| 6| 8| 9| 1| 9| 1| 0| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | A | 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + | 50 | Inflammation, Acute | | 1 3.0| Mucosa, Dilatation | 2 2 1 1 | 17 1.7| Mucosa, Ectasia | | 2 2.0| Mucosa, Erosion | 3 3 | 4 2.3| Mucosa, Ulcer | | 2 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + | 50 | __________________________________________________________________________|____________| Heart | + + + + + + + + | 50 | Cardiomyopathy, Chronic | 3 2 3 3 3 2 3 | 49 2.5| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + | 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + | 50 | Degeneration, Fatty | 2 3 2 2 2 | 35 2.0| Hyperplasia | 1 2 1 | 15 1.7| Hypertrophy | 1 | 4 1.5| Pigmentation | 1 2 1 1 2 2 1 | 43 1.5| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + | 49 | Hyperplasia | 1 2 | 10 1.8| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + | 50 | Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + M + + + + + | 42 | Hyperplasia | | 2 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + | 49 | Pars Distalis, Atrophy | | 1 2.0| Pars Distalis, Cyst | X | 3 | Pars Distalis, Hemorrhage | | 1 4.0| Pars Distalis, Hyperplasia | 1 2 2 | 18 2.0| Pars Intermedia, Cyst | | 2 | Pars Nervosa, Pigmentation | | 1 3.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + | 50 | Infiltration Cellular, Lymphocyte | | 1 2.0| Ultimobranchial Cyst | | 1 | C-Cell, Hyperplasia | 1 | 12 1.7| Follicle, Ectasia | | 3 2.3| _____________________________________________________________________________________________________________________| | GENERAL BODY 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 Page 61 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 7| 6| 4| 4| 4| 7| 7| 7| 7| 7| | | DAY ON TEST | 2| 7| 1| 5| 5| 3| 2| 3| 3| 2| | | | 9| 7| 6| 8| 9| 1| 9| 1| 0| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | A | 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + | 50 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + | 50 | Abscess | | 3 3.3| Inflammation, Acute | | 1 4.0| Inflammation, Chronic | 2 2 2 2 | 29 1.9| Inflammation, Chronic Active | 3 2 2 2 | 10 2.3| Duct, Ectasia | 4 | 1 4.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + | 50 | Atrophy | | 1 2.0| Hyperplasia | 2 2 2 | 10 2.1| Inflammation, Acute | 2 3 | 7 2.6| Inflammation, Chronic | | 1 4.0| Inflammation, Chronic Active | 2 3 | 14 2.5| __________________________________________________________________________|____________| Testes | + + + + + + + + | 50 | Atrophy | 1 | 11 2.2| Interstitial Cell, Hyperplasia | 2 2 2 2 2 2 | 35 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | | 4 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + | 50 | Myelofibrosis | | 3 2.3| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + | 50 | Edema | | 1 2.0| Hyperplasia, Lymphoid | | 1 2.0| Mediastinal, Congestion | | 1 2.0| Mesenteric, Congestion | | 1 1.0| Mesenteric, Hyperplasia, Lymphoid | 2 2 | 17 1.9| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + M + + + + + | 36 | Congestion | 3 | 10 2.3| Cyst | | 1 | Hyperplasia, Lymphoid | 2 2 2 2 2 2 1 | 32 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + | 50 | Fibrosis | 3 3 | 5 3.0| Hematopoietic Cell Proliferation | 1 2 2 2 2 | 42 2.1| Hyperplasia, Lymphoid | | 2 2.0| Mineralization | | 1 2.0| Pigmentation | 2 2 1 2 | 39 2.0| __________________________________________________________________________|____________| Thymus | + M + + + + + + | 44 | Congestion | | 2 2.5| __________________________________________________________________________________________________________________________________ * : 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 Page 62 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 7| 6| 4| 4| 4| 7| 7| 7| 7| 7| | | DAY ON TEST | 2| 7| 1| 5| 5| 3| 2| 3| 3| 2| | | | 9| 7| 6| 8| 9| 1| 9| 1| 0| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | A | 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Cyst | | 4 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + | 50 | Inflammation, Acute | | 2 2.0| Inflammation, Chronic | 2 | 1 2.0| Acinus, Ectasia | 3 3 2 3 2 | 34 2.4| Duct, Ectasia | 3 | 10 2.1| __________________________________________________________________________|____________| Skin | + + + + + + + + | 50 | Cyst Epithelial Inclusion | | 1 | Epidermis, Cyst | | 1 3.0| Hair Follicle, Head, Hemorrhage | | 1 2.0| Hair Follicle, Head, Inflammation, | | | Acute | | 1 2.0| Head, Inflammation, Acute | 2 | 1 2.0| Head, Inflammation, Chronic Active | 2 | 1 2.0| Tail, Inflammation, Chronic Active | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + | 50 | Cranium, Fibrous Osteodystrophy | | 1 3.0| Femur, Fibrous Osteodystrophy | | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + | 50 | Compression | | 5 | Hemorrhage | 3 1 | 11 2.5| Necrosis | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + | 50 | Congestion | | 6 2.8| Hemorrhage | | 8 1.8| Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 2 | 50 2.0| Pigmentation, Cholesterol | | 1 1.0| Alveolar Epithelium, Hyperplasia | | 2 1.5| Alveolus, Infiltration Cellular, | | | Histiocyte | 1 2 1 2 2 | 26 1.7| Arteriole, Mineralization | 2 2 1 2 2 2 1 | 41 1.8| __________________________________________________________________________________________________________________________________ * : 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 Page 63 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 7| 6| 4| 4| 4| 7| 7| 7| 7| 7| | | DAY ON TEST | 2| 7| 1| 5| 5| 3| 2| 3| 3| 2| | | | 9| 7| 6| 8| 9| 1| 9| 1| 0| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | A | 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Bronchiole, Mineralization | | 1 1.0| Interstitium, Inflammation, Chronic | 2 | 5 1.6| Interstitium, Inflammation, Chronic | | | Active | | 5 1.0| Pleura, Inflammation, Chronic Active | 2 | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + | 50 | Inflammation, Chronic Active | | 1 2.0| Lumen, Foreign Body | 2 | 4 2.0| Lumen, Hemorrhage | 2 3 | 31 2.3| Mucosa, Inflammation, Acute | 2 2 2 2 1 3 | 30 1.8| Mucosa, Inflammation, Chronic Active | | 1 2.0| Nasolacrimal Duct, Inflammation, | | | Acute | | 4 2.0| Nasolacrimal Duct, Inflammation | | 1 2.0| Nasopharyngeal Duct, Inflammation, | | | Acute | | 1 2.0| Olfactory Epithelium, Degeneration | 2 2 2 2 1 1 2 1 | 39 1.8| Respiratory Epithelium, Degeneration | 2 2 | 15 1.7| Respiratory Epithelium, Erosion | 2 2 | 4 2.0| Respiratory Epithelium, Metaplasia, | | | Squamous | | 1 2.0| Vomeronasal Organ, Inflammation, | | | Acute | | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + | 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 2 | Cataract | | 1 4.0| Retina, Degeneration | | 1 4.0| Sclera, Mineralization | | 1 3.0| __________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + | 50 | Infiltration Cellular, Lymphocyte | | 1 2.0| Nephropathy, Chronic | 3 4 1 4 2 3 3 4 | 49 2.9| Renal Tubule, Cyst | | 1 | Renal Tubule, Hyperplasia | 2 4 | 4 2.0| Renal Tubule, Pigmentation | 2 2 2 2 2 1 2 1 | 50 1.8| __________________________________________________________________________________________________________________________________ * : 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 Page 64 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 7| 6| 4| 4| 4| 7| 7| 7| 7| 7| | | DAY ON TEST | 2| 7| 1| 5| 5| 3| 2| 3| 3| 2| | | | 9| 7| 6| 8| 9| 1| 9| 1| 0| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | A | 0 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + | 50 | Calculus Gross Observation | | 1 | Hemorrhage | | 1 2.0| Inflammation, Acute | | 1 3.0| Inflammation, Chronic | | 1 3.0| Inflammation, Chronic Active | | 1 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 Page 65 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 2| 6| 7| 6| 7| 4| 7| 6| 7| 7| 4| 4| 7| 6| 6| 7| 7| 5| 6| 5| 7| 5| 7| 7| DAY ON TEST | 8| 8| 2| 3| 8| 3| 5| 3| 8| 3| 2| 5| 7| 3| 2| 1| 3| 3| 7| 9| 7| 3| 7| 1| 1| | 1| 3| 5| 1| 9| 0| 8| 2| 8| 3| 9| 9| 8| 0| 4| 8| 3| 1| 2| 8| 0| 2| 7| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + +| Erosion | | Hemorrhage | 3 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + +| Erosion | | Parasite Metazoan | X X| Ulcer | 4 3 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 | Congestion | 3 | Developmental Malformation | X X X | Fatty Change | 4 | Focal Cellular Change | X X X X X X X X X X X| Granuloma | 2 | Hematopoietic Cell Proliferation | 1 | Hemorrhage | 2 | Necrosis | 3 | Bile Duct, Dilatation | | Bile Duct, Hyperplasia | 2 3 2 4 2 2 2 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2| Bile Duct, Inflammation, Chronic | | Portal, Inflammation, Chronic | 2 2 3 2 2 1 2 2 1 2 3 2 2 2 2 2 2 2 2 2| __________________________________________________________________________| Mesentery | | Inflammation, Acute | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | Acinus, Atrophy | 2 2 2 2 2 3 2 2 4 4 2 3 3 2 1 | Acinus, Hyperplasia | 2 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | | Inflammation, Chronic | | Acinus, Atrophy | 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + +| Erosion | | Hyperplasia, Squamous | | Inflammation, Acute | 4 | _____________________________________________________________________________________________________________________| Page 66 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 2| 6| 7| 6| 7| 4| 7| 6| 7| 7| 4| 4| 7| 6| 6| 7| 7| 5| 6| 5| 7| 5| 7| 7| DAY ON TEST | 8| 8| 2| 3| 8| 3| 5| 3| 8| 3| 2| 5| 7| 3| 2| 1| 3| 3| 7| 9| 7| 3| 7| 1| 1| | 1| 3| 5| 1| 9| 0| 8| 2| 8| 3| 9| 9| 8| 0| 4| 8| 3| 1| 2| 8| 0| 2| 7| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Inflammation, Chronic | 2 | Inflammation, Chronic Active | 4 | Ulcer | 4 4 4 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + +| Mucosa, Congestion | 2 | Mucosa, Dilatation | 2 2 2 2 2 2 2 1 1 2 | Mucosa, Erosion | 2 2 2 3 2 2 | Mucosa, Granuloma | | Mucosa, Hemorrhage | | Mucosa, Inflammation, Acute | | Mucosa, Ulcer | 4 4 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy, Chronic | 2 2 2 2 3 2 2 2 3 2 2 3 2 2 3 2 2 2 3 3 3 3| Hemorrhage | | Atrium, Thrombosis | X X X | Pericardium, Inflammation, Chronic | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Fatty | 4 2 2 2 2 2 2 2 1 2 2 2 1 2 2 2 1 1 2 1| Hyperplasia | 2 2| Hypertrophy | | Pigmentation | 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 2 2 2 2 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Parathyroid Gland | + + + + + M + + + + + + + + + + + + + + + + +| Hyperplasia | | Hypertrophy | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 2 3 | Pars Distalis, Cyst | X X X X | Pars Distalis, Hyperplasia | 3 3 3 2 3 2 2 2 2 | Pars Intermedia, Angiectasis | 3 | Pars Intermedia, Cyst | X | Pars Intermedia, Hyperplasia | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 2 1 1 1 2 1 2 2 | Follicle, Ectasia | 2 | _____________________________________________________________________________________________________________________| Page 67 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 2| 6| 7| 6| 7| 4| 7| 6| 7| 7| 4| 4| 7| 6| 6| 7| 7| 5| 6| 5| 7| 5| 7| 7| DAY ON TEST | 8| 8| 2| 3| 8| 3| 5| 3| 8| 3| 2| 5| 7| 3| 2| 1| 3| 3| 7| 9| 7| 3| 7| 1| 1| | 1| 3| 5| 1| 9| 0| 8| 2| 8| 3| 9| 9| 8| 0| 4| 8| 3| 1| 2| 8| 0| 2| 7| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | Inflammation, Chronic | 2 2 3 1 2 2 2 2 3 2 3 2 | Inflammation, Chronic Active | 2 4 3 2 2 3 2 2| __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 | Inflammation, Acute | 2 2 | Inflammation, Chronic | 2 | Inflammation, Chronic Active | 3 | __________________________________________________________________________| Seminal Vesicle | + + | Dilatation | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 2 2 4 4 2 4 | Congestion | 2 | Mineralization | 1 | Arteriole, Inflammation, Chronic | | Interstitial Cell, Hyperplasia | 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 | Hyperplasia, Lymphoid | 2 2 | Mediastinal, Congestion | 4 4 | Mediastinal, Hyperplasia, Lymphoid | | Mesenteric, Congestion | | Mesenteric, Hyperplasia, Lymphoid | 2 2 2 2 2 2 2 2| Mesenteric, Inflammation, Acute | 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + M + M + + + M + M + + + +| Congestion | 2 2 2 2| Cyst | X | Hyperplasia, Lymphoid | 3 2 3 2 2 3 3 3 2 2 3 2 2| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 | Hematopoietic Cell Proliferation | 2 3 2 2 2 2 2 2 2 2 2 2 3 2 2 3 1 1 2 2| Infarct | 4 | Pigmentation | 2 3 2 2 2 1 2 2 2 1 1 3 2 2 1 2| __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 68 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 2| 6| 7| 6| 7| 4| 7| 6| 7| 7| 4| 4| 7| 6| 6| 7| 7| 5| 6| 5| 7| 5| 7| 7| DAY ON TEST | 8| 8| 2| 3| 8| 3| 5| 3| 8| 3| 2| 5| 7| 3| 2| 1| 3| 3| 7| 9| 7| 3| 7| 1| 1| | 1| 3| 5| 1| 9| 0| 8| 2| 8| 3| 9| 9| 8| 0| 4| 8| 3| 1| 2| 8| 0| 2| 7| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Congestion | 4 3 2 | Cyst | X | Hyperplasia, Lymphoid | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + M + + + +| Acinus, Ectasia | 3 4 4 2 2 2 3 3 2 2 2| Duct, Ectasia | 3 3 4 2 2 3 1 2 3 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + +| Abscess | 3| Cyst Epithelial Inclusion | X | Hair Follicle, Inflammation, Chronic | | Head, Inflammation, Acute | 4 | Subcutaneous Tissue, Edema | | Subcutaneous Tissue, Hemorrhage | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + +| Cranium, Abscess | | Cranium, Fibrous Osteodystrophy | X | Femur, Fibrous Osteodystrophy | X X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + +| Compression | X X X X X | Hemorrhage | 2 2 4 1 | Necrosis | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 2 | Hemorrhage | 2 | Infiltration Cellular, Lymphocyte | 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| Pigmentation, Cholesterol | 2 1 | Alveolar Epithelium, Hyperplasia | 3 | Alveolus, Infiltration Cellular, | | Histiocyte | 2 2 2 2 2 1 2 1 | Arteriole, Mineralization | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| Interstitium, Inflammation, Chronic | 1 2 1 1| Peribronchiolar, Inflammation, | | Chronic | 4 3 | Peribronchiolar, Inflammation, | | Chronic Active | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 69 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 6| 2| 6| 7| 6| 7| 4| 7| 6| 7| 7| 4| 4| 7| 6| 6| 7| 7| 5| 6| 5| 7| 5| 7| 7| DAY ON TEST | 8| 8| 2| 3| 8| 3| 5| 3| 8| 3| 2| 5| 7| 3| 2| 1| 3| 3| 7| 9| 7| 3| 7| 1| 1| | 1| 3| 5| 1| 9| 0| 8| 2| 8| 3| 9| 9| 8| 0| 4| 8| 3| 1| 2| 8| 0| 2| 7| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Lumen, Foreign Body | 2 2 2 2 | Lumen, Hemorrhage | 1 2 2 2 2 2 2 2 2 | Mucosa, Hemorrhage | 1 | Mucosa, Inflammation, Acute | 2 2 2 2 2 3 1 2 2 1 3 2 2 2 2 2 | Nasolacrimal Duct, Degeneration | 2 | Nasolacrimal Duct, Inflammation, | | Acute | 1 | Olfactory Epithelium, Degeneration | 2 2 2 2 2 3 3 2 3 2 2 2 2 2 3 3 2 1 3 2 3 3| Olfactory Epithelium, Erosion | 2 | Olfactory Epithelium, Metaplasia | 3 | Respiratory Epithelium, Degeneration | 3 2 2 3 3 2 2 1 1 3 1 2 1 1 1 3 1| Respiratory Epithelium, Erosion | 2 2 2 2 2 | Respiratory Epithelium, Hemorrhage | 2 | Respiratory Epithelium, Metaplasia, | | Squamous | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Zymbal's Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Nephropathy, Chronic | 2 2 4 4 4 3 4 3 3 2 4 2 3 2 3 2 3 3 3 3 4 3| Pelvis, Inflammation, Acute | | Renal Tubule, Cyst | | Renal Tubule, Hyperplasia | 3 2 4 | Renal Tubule, Pigmentation | 2 2 2 2 2 2 2 2 2 2 2 4 2 2 2 3 2 2 2 2 1 2| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | | Inflammation, Chronic | 1 | Inflammation, Chronic Active | | Transitional Epithelium, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 70 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| 7| 4| 7| 7| 7| 7| 4| 7| 7| 4| 7| 7| 4| 0| 6| DAY ON TEST | 2| 7| 3| 3| 3| 2| 2| 9| 3| 9| 3| 5| 3| 3| 3| 3| 5| 3| 3| 5| 3| 3| 5| 2| 8| | 9| 0| 3| 2| 3| 9| 9| 8| 3| 8| 1| 9| 1| 0| 1| 2| 8| 2| 3| 9| 0| 1| 8| 9| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 600 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + +| Erosion | 1 | Hemorrhage | 3 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + +| Erosion | 3 | Parasite Metazoan | X X | Ulcer | 3 3 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 2 2 2 2 2 2 | Congestion | | Developmental Malformation | X | Fatty Change | 1 | Focal Cellular Change | X X X X X X X X X X X | Granuloma | | Hematopoietic Cell Proliferation | | Hemorrhage | 2 | Necrosis | 3 | Bile Duct, Dilatation | | Bile Duct, Hyperplasia | 2 3 2 2 2 2 2 2 4 2 1 2 3 2 2 2 2 2 2 2 2| Bile Duct, Inflammation, Chronic | | Portal, Inflammation, Chronic | 2 2 2 2 2 2 1 3 2 1 2 2 2 3 2 2 2 2 2 2| __________________________________________________________________________| Mesentery | + | Inflammation, Acute | 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 3 | Acinus, Atrophy | 2 2 2 3 3 1 4 2 1 1 2 2 3 2 1 2 | Acinus, Hyperplasia | 2 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | 1 | Inflammation, Chronic | 3 | Acinus, Atrophy | | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + +| Erosion | | Hyperplasia, Squamous | | Inflammation, Acute | 2 1 | _____________________________________________________________________________________________________________________| Page 71 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| 7| 4| 7| 7| 7| 7| 4| 7| 7| 4| 7| 7| 4| 0| 6| DAY ON TEST | 2| 7| 3| 3| 3| 2| 2| 9| 3| 9| 3| 5| 3| 3| 3| 3| 5| 3| 3| 5| 3| 3| 5| 2| 8| | 9| 0| 3| 2| 3| 9| 9| 8| 3| 8| 1| 9| 1| 0| 1| 2| 8| 2| 3| 9| 0| 1| 8| 9| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 600 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Inflammation, Chronic | | Inflammation, Chronic Active | 2 | Ulcer | 3| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + +| Mucosa, Congestion | | Mucosa, Dilatation | 2 2 1 1 1 1 2 2 | Mucosa, Erosion | 1 2 2 2| Mucosa, Granuloma | 2 | Mucosa, Hemorrhage | 3 | Mucosa, Inflammation, Acute | 3| Mucosa, Ulcer | 4 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy, Chronic | 2 2 2 3 2 2 2 2 3 3 2 2 2 2 2 1 2 2 1 1| Hemorrhage | | Atrium, Thrombosis | X | Pericardium, Inflammation, Chronic | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + +| Degeneration, Fatty | 1 2 1 2 2 2 1 3 2 1 1 1 1 2 1| Hyperplasia | 2 2 2 2 2 2 2 | Hypertrophy | 2 2 2 2 1 | Pigmentation | 2 2 2 2 2 2 2 2 2 2 2 1 2 2 1 1 2 2 2 1| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 2 2 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 2 | __________________________________________________________________________| Parathyroid Gland | + + + + M + + + + + + + M + + + + + M + +| Hyperplasia | 3| Hypertrophy | 2 2 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 2 | Pars Distalis, Cyst | X X | Pars Distalis, Hyperplasia | 2 2 3 2 2 2 2 3 3 1 | Pars Intermedia, Angiectasis | 3| Pars Intermedia, Cyst | X | Pars Intermedia, Hyperplasia | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 2 2 2 1 2 1 1 1 | Follicle, Ectasia | 1| _____________________________________________________________________________________________________________________| Page 72 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| 7| 4| 7| 7| 7| 7| 4| 7| 7| 4| 7| 7| 4| 0| 6| DAY ON TEST | 2| 7| 3| 3| 3| 2| 2| 9| 3| 9| 3| 5| 3| 3| 3| 3| 5| 3| 3| 5| 3| 3| 5| 2| 8| | 9| 0| 3| 2| 3| 9| 9| 8| 3| 8| 1| 9| 1| 0| 1| 2| 8| 2| 3| 9| 0| 1| 8| 9| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 600 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Inflammation, Chronic | 2 4 2 3 2 2 2 3 2 2 2 2 2 2| Inflammation, Chronic Active | 3 4 3 3 2 2 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | Inflammation, Acute | 1 2 2 2 | Inflammation, Chronic | 2 1 | Inflammation, Chronic Active | 2 2 3 4 | __________________________________________________________________________| Seminal Vesicle | + | Dilatation | 3 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 4 2 2 | Congestion | | Mineralization | 3 | Arteriole, Inflammation, Chronic | 4 | Interstitial Cell, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hyperplasia, Lymphoid | | Mediastinal, Congestion | 3 3 4 | Mediastinal, Hyperplasia, Lymphoid | 3 | Mesenteric, Congestion | 2 | Mesenteric, Hyperplasia, Lymphoid | 2 2 2 2 2 2 2 2 2 | Mesenteric, Inflammation, Acute | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + M +| Congestion | 3 3 2 2 3 | Cyst | | Hyperplasia, Lymphoid | 2 2 2 2 3 3 2 3 2 2 2 2 2 2| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 3 4 | Hematopoietic Cell Proliferation | 2 2 2 2 3 2 1 2 2 2 2 2 2 2 2 3 2| Infarct | | Pigmentation | 2 2 2 2 2 1 2 2 2 2 1 2 3 2 2 2 | __________________________________________________________________________| Thymus | M + + + + + + + + + + + + + + + + M + + +| _____________________________________________________________________________________________________________________| Page 73 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| 7| 4| 7| 7| 7| 7| 4| 7| 7| 4| 7| 7| 4| 0| 6| DAY ON TEST | 2| 7| 3| 3| 3| 2| 2| 9| 3| 9| 3| 5| 3| 3| 3| 3| 5| 3| 3| 5| 3| 3| 5| 2| 8| | 9| 0| 3| 2| 3| 9| 9| 8| 3| 8| 1| 9| 1| 0| 1| 2| 8| 2| 3| 9| 0| 1| 8| 9| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 600 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Congestion | 2 2 | Cyst | | Hyperplasia, Lymphoid | 2 2 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + +| Acinus, Ectasia | 2 2 3 2 2 2 2 4 2 1 1 4 2| Duct, Ectasia | 2 2 2 2 2 2 4 1 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + +| Abscess | | Cyst Epithelial Inclusion | X | Hair Follicle, Inflammation, Chronic | 2 | Head, Inflammation, Acute | | Subcutaneous Tissue, Edema | | Subcutaneous Tissue, Hemorrhage | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + +| Cranium, Abscess | | Cranium, Fibrous Osteodystrophy | | Femur, Fibrous Osteodystrophy | X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + +| Compression | X X | Hemorrhage | 2 2 4| Necrosis | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + +| Congestion | 4 | Hemorrhage | 2| Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| Pigmentation, Cholesterol | | Alveolar Epithelium, Hyperplasia | 2 | Alveolus, Infiltration Cellular, | | Histiocyte | 2 1 2 2 2 2 2 2| Arteriole, Mineralization | 1 2 2 2 2 2 2 2 2 1 2 2 2 2 2 2| Interstitium, Inflammation, Chronic | 1 2 | Peribronchiolar, Inflammation, | | Chronic | | Peribronchiolar, Inflammation, | | Chronic Active | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 74 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| 7| 4| 7| 7| 7| 7| 4| 7| 7| 4| 7| 7| 4| 0| 6| DAY ON TEST | 2| 7| 3| 3| 3| 2| 2| 9| 3| 9| 3| 5| 3| 3| 3| 3| 5| 3| 3| 5| 3| 3| 5| 2| 8| | 9| 0| 3| 2| 3| 9| 9| 8| 3| 8| 1| 9| 1| 0| 1| 2| 8| 2| 3| 9| 0| 1| 8| 9| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 600 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Lumen, Foreign Body | 2 | Lumen, Hemorrhage | 2 2 2 2 1 2 2 2 2 2 1 2 1| Mucosa, Hemorrhage | | Mucosa, Inflammation, Acute | 2 4 2 2 2 2 2 2 2 2 2| Nasolacrimal Duct, Degeneration | | Nasolacrimal Duct, Inflammation, | | Acute | | Olfactory Epithelium, Degeneration | 3 2 3 2 3 2 2 2 3 3 3 3 3 2 2 3 3 2 3 3| Olfactory Epithelium, Erosion | 3 2 | Olfactory Epithelium, Metaplasia | | Respiratory Epithelium, Degeneration | 1 1 1 2 1 1 1 1 1 2 1 2 2 1 | Respiratory Epithelium, Erosion | 2 | Respiratory Epithelium, Hemorrhage | | Respiratory Epithelium, Metaplasia, | | Squamous | 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 2 | Inflammation, Chronic Active | 2 2 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + +| Congestion | | Nephropathy, Chronic | 3 3 4 4 3 3 3 4 3 2 4 3 4 3 3 2 2 4 4 2| Pelvis, Inflammation, Acute | | Renal Tubule, Cyst | X | Renal Tubule, Hyperplasia | 4 | Renal Tubule, Pigmentation | 2 3 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | | Inflammation, Chronic | | Inflammation, Chronic Active | 4 | Transitional Epithelium, Hyperplasia | 4 | _____________________________________________________________________________________________________________________| Page 75 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 7| 4| 6| 4| 4| 7| 4| 7| 7| 7| | | DAY ON TEST | 1| 5| 1| 5| 5| 3| 5| 3| 2| 3| | | | 3| 9| 4| 8| 9| 3| 8| 0| 2| 2| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | A | 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Large | + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + | 50 | Erosion | | 1 1.0| Hemorrhage | | 2 3.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + | 50 | Parasite Metazoan | | 4 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + | 50 | Erosion | | 1 3.0| Parasite Metazoan | | 4 | Ulcer | | 4 3.3| __________________________________________________________________________|____________| Intestine Small | + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + | 50 | __________________________________________________________________________|____________| Liver | + + + + + + | 50 | Angiectasis | 2 | 11 2.0| Congestion | 3 | 2 3.0| Developmental Malformation | | 4 | Fatty Change | | 2 2.5| Focal Cellular Change | X | 23 | Granuloma | | 1 2.0| Hematopoietic Cell Proliferation | 1 | 2 1.0| Hemorrhage | | 2 2.0| Necrosis | | 2 3.0| Bile Duct, Dilatation | 4 | 1 4.0| Bile Duct, Hyperplasia | 1 3 3 2 3 2 | 49 2.2| Bile Duct, Inflammation, Chronic | 4 | 1 4.0| Portal, Inflammation, Chronic | 3 2 1 2 2 | 45 2.0| __________________________________________________________________________|____________| Mesentery | + | 2 | Inflammation, Acute | | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + | 50 | Inflammation, Acute | | 1 3.0| Acinus, Atrophy | 2 2 1 | 34 2.2| Acinus, Hyperplasia | | 4 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + | 50 | Infiltration Cellular, Lymphocyte | | 1 1.0| Inflammation, Chronic | | 1 3.0| Acinus, Atrophy | | 1 2.0| __________________________________________________________________________________________________________________________________ * : 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 Page 76 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 7| 4| 6| 4| 4| 7| 4| 7| 7| 7| | | DAY ON TEST | 1| 5| 1| 5| 5| 3| 5| 3| 2| 3| | | | 3| 9| 4| 8| 9| 3| 8| 0| 2| 2| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | A | 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Stomach | + + + + + + | 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + | 50 | Erosion | 3 | 1 3.0| Hyperplasia, Squamous | 2 | 1 2.0| Inflammation, Acute | | 3 2.3| Inflammation, Chronic | | 1 2.0| Inflammation, Chronic Active | | 2 3.0| Ulcer | 4 4 | 7 3.7| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + | 50 | Mucosa, Congestion | | 1 2.0| Mucosa, Dilatation | 2 2 2 | 21 1.7| Mucosa, Erosion | 3 | 11 2.1| Mucosa, Granuloma | | 1 2.0| Mucosa, Hemorrhage | | 1 3.0| Mucosa, Inflammation, Acute | | 1 3.0| Mucosa, Ulcer | 4 | 5 3.8| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + | 50 | __________________________________________________________________________|____________| Heart | + + + + + + | 50 | Cardiomyopathy, Chronic | 3 2 3 2 2 | 47 2.2| Hemorrhage | 2 | 1 2.0| Atrium, Thrombosis | X X | 6 | Pericardium, Inflammation, Chronic | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + | 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + | 50 | Degeneration, Fatty | 2 2 1 2 2 2 | 41 1.7| Hyperplasia | 2 | 10 2.0| Hypertrophy | | 5 1.8| Pigmentation | 2 2 2 2 1 2 | 46 1.8| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + | 50 | Hyperplasia | 2 2 3 2 | 15 2.1| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + | 50 | Hyperplasia | | 4 1.8| __________________________________________________________________________|____________| Parathyroid Gland | + M + + + + | 45 | Hyperplasia | | 1 3.0| Hypertrophy | | 2 2.0| __________________________________________________________________________________________________________________________________ * : 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 Page 77 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 7| 4| 6| 4| 4| 7| 4| 7| 7| 7| | | DAY ON TEST | 1| 5| 1| 5| 5| 3| 5| 3| 2| 3| | | | 3| 9| 4| 8| 9| 3| 8| 0| 2| 2| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | A | 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + | 50 | Pars Distalis, Angiectasis | | 3 2.3| Pars Distalis, Cyst | | 6 | Pars Distalis, Hyperplasia | 3 2 3 | 22 2.4| Pars Intermedia, Angiectasis | | 2 3.0| Pars Intermedia, Cyst | | 2 | Pars Intermedia, Hyperplasia | | 2 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + | 50 | C-Cell, Hyperplasia | 1 1 | 20 1.5| Follicle, Ectasia | | 2 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + | 50 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + | 50 | Hyperplasia | | 1 2.0| Inflammation, Chronic | 2 2 | 28 2.2| Inflammation, Chronic Active | 3 2 2 | 17 2.6| __________________________________________________________________________|____________| Prostate | + + + + + + | 50 | Hyperplasia | | 3 1.7| Inflammation, Acute | 3 | 7 2.0| Inflammation, Chronic | | 3 1.7| Inflammation, Chronic Active | 3 | 6 2.8| __________________________________________________________________________|____________| Seminal Vesicle | + + | 5 | Dilatation | | 1 3.0| __________________________________________________________________________|____________| Testes | + + + + + + | 50 | Atrophy | 1 | 12 2.6| Congestion | | 1 2.0| Mineralization | | 2 2.0| Arteriole, Inflammation, Chronic | 2 | 2 3.0| Interstitial Cell, Hyperplasia | 2 2 2 2 2 2 | 46 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | | 1 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + | 50 | Myelofibrosis | | 1 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + | 50 | __________________________________________________________________________________________________________________________________ * : 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 Page 78 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 7| 4| 6| 4| 4| 7| 4| 7| 7| 7| | | DAY ON TEST | 1| 5| 1| 5| 5| 3| 5| 3| 2| 3| | | | 3| 9| 4| 8| 9| 3| 8| 0| 2| 2| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | A | 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Congestion | | 1 3.0| Hyperplasia, Lymphoid | | 2 2.0| Mediastinal, Congestion | | 5 3.6| Mediastinal, Hyperplasia, Lymphoid | | 1 3.0| Mesenteric, Congestion | | 1 2.0| Mesenteric, Hyperplasia, Lymphoid | 2 2 2 | 20 2.0| Mesenteric, Inflammation, Acute | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + | 45 | Congestion | 4 | 10 2.5| Cyst | | 1 | Hyperplasia, Lymphoid | 3 2 3 2 | 31 2.4| __________________________________________________________________________|____________| Spleen | + + + + + + | 50 | Fibrosis | | 3 3.0| Hematopoietic Cell Proliferation | 2 2 2 1 2 | 42 2.0| Infarct | | 1 4.0| Pigmentation | 2 1 2 1 1 | 37 1.8| __________________________________________________________________________|____________| Thymus | + + M + + M | 46 | Congestion | | 5 2.6| Cyst | | 1 | Hyperplasia, Lymphoid | 3 | 4 2.3| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + M + + + + | 48 | Acinus, Ectasia | 3 | 25 2.4| Duct, Ectasia | 2 | 19 2.4| __________________________________________________________________________|____________| Skin | + + + + + + | 50 | Abscess | | 1 3.0| Cyst Epithelial Inclusion | | 2 | Hair Follicle, Inflammation, Chronic | | 1 2.0| Head, Inflammation, Acute | | 1 4.0| Subcutaneous Tissue, Edema | 4 | 1 4.0| Subcutaneous Tissue, Hemorrhage | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + | 50 | Cranium, Abscess | 4 | 1 4.0| Cranium, Fibrous Osteodystrophy | | 1 | Femur, Fibrous Osteodystrophy | X | 4 | _____________________________________________________________________________________________________________________| | NERVOUS 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 Page 79 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 7| 4| 6| 4| 4| 7| 4| 7| 7| 7| | | DAY ON TEST | 1| 5| 1| 5| 5| 3| 5| 3| 2| 3| | | | 3| 9| 4| 8| 9| 3| 8| 0| 2| 2| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | A | 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + | 50 | Compression | | 7 | Hemorrhage | 4 | 8 2.6| Necrosis | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + | 50 | Congestion | | 3 3.0| Hemorrhage | 2 1 | 4 1.8| Infiltration Cellular, Lymphocyte | 2 2 2 2 2 | 47 2.0| Pigmentation, Cholesterol | | 2 1.5| Alveolar Epithelium, Hyperplasia | | 2 2.5| Alveolus, Infiltration Cellular, | | | Histiocyte | 2 2 | 18 1.8| Arteriole, Mineralization | 2 2 2 2 2 | 40 2.0| Interstitium, Inflammation, Chronic | | 6 1.3| Peribronchiolar, Inflammation, | | | Chronic | 3 | 3 3.3| Peribronchiolar, Inflammation, | | | Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + | 50 | Lumen, Foreign Body | | 5 2.0| Lumen, Hemorrhage | 2 1 3 | 25 1.8| Mucosa, Hemorrhage | | 1 1.0| Mucosa, Inflammation, Acute | 2 3 2 | 30 2.1| Nasolacrimal Duct, Degeneration | | 1 2.0| Nasolacrimal Duct, Inflammation, | | | Acute | | 1 1.0| Olfactory Epithelium, Degeneration | 3 2 3 3 2 2 | 48 2.5| Olfactory Epithelium, Erosion | | 3 2.3| Olfactory Epithelium, Metaplasia | | 1 3.0| Respiratory Epithelium, Degeneration | 1 2 2 1 1 1 | 37 1.6| Respiratory Epithelium, Erosion | | 6 2.0| Respiratory Epithelium, Hemorrhage | | 1 2.0| Respiratory Epithelium, Metaplasia, | | | Squamous | | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + | 50 | Inflammation, Acute | | 1 2.0| __________________________________________________________________________________________________________________________________ * : 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 Page 80 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 7| 4| 6| 4| 4| 7| 4| 7| 7| 7| | | DAY ON TEST | 1| 5| 1| 5| 5| 3| 5| 3| 2| 3| | | | 3| 9| 4| 8| 9| 3| 8| 0| 2| 2| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | A | 600 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Inflammation, Chronic Active | 2 | 3 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Zymbal's Gland | | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + | 50 | Congestion | 3 | 1 3.0| Nephropathy, Chronic | 3 3 4 4 2 4 | 48 3.1| Pelvis, Inflammation, Acute | 3 | 1 3.0| Renal Tubule, Cyst | X | 2 | Renal Tubule, Hyperplasia | | 4 3.3| Renal Tubule, Pigmentation | 2 2 2 2 1 2 | 48 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + | 50 | Calculus Micro Observation Only | X | 1 | Inflammation, Chronic | | 1 1.0| Inflammation, Chronic Active | | 1 4.0| Transitional Epithelium, Hyperplasia | | 1 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 Page 81 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 4| 7| 5| 5| 5| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 6| 5| 6| 4| 6| DAY ON TEST | 3| 3| 9| 3| 5| 2| 4| 4| 9| 3| 3| 3| 3| 2| 3| 3| 0| 8| 3| 2| 5| 9| 7| 5| 5| | 3| 1| 1| 2| 8| 2| 0| 3| 6| 2| 2| 2| 0| 9| 6| 1| 6| 1| 1| 6| 2| 7| 1| 8| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + A + + + + + + + + + + + + + + + + +| Granuloma | | Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Rectum | + + + + + A + + + + + + + + + + + + + + + + +| Inflammation, Acute | 3 | Parasite Metazoan | X X X X | Ulcer | 3 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + A + + + + + + + + + + + + + + + + +| Erosion | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + A + + + + + + + + + + + + + + + + +| Erosion | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 | Congestion | | Developmental Malformation | X | Fatty Change | 1 2 1 3 | Focal Cellular Change | X X X X X X X X X X | Granuloma | 2 | Necrosis | 2| Bile Duct, Hyperplasia | 3 2 2 2 1 2 2 3 2 1 2 2 2 1 2 3 3 2 2 2 1 2 3| Portal, Inflammation, Chronic | 2 2 2 2 2 2 2 2 1 2 1 2 1 2 3 2 1 2 2 2 2| Serosa, Fibrosis | 2 | __________________________________________________________________________| Mesentery | + | Arteriole, Inflammation, Chronic | 2 | Arteriole, Inflammation, Chronic | | Active | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 2 1 2 3 2 2 1 2 3 1 2 | Acinus, Hyperplasia | | Arteriole, Inflammation, Chronic | | Active | | Arteriole, Mineralization | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 1 | Arteriole, Mineralization | 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | 4 | __________________________________________________________________________| Stomach, Forestomach | + + + + + A + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 82 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 4| 7| 5| 5| 5| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 6| 5| 6| 4| 6| DAY ON TEST | 3| 3| 9| 3| 5| 2| 4| 4| 9| 3| 3| 3| 3| 2| 3| 3| 0| 8| 3| 2| 5| 9| 7| 5| 5| | 3| 1| 1| 2| 8| 2| 0| 3| 6| 2| 2| 2| 0| 9| 6| 1| 6| 1| 1| 6| 2| 7| 1| 8| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Erosion | | Hyperplasia, Squamous | | Inflammation, Acute | 2 | Inflammation, Chronic Active | 4 2 | Mineralization | 3 | Ulcer | 3 4 3| __________________________________________________________________________| Stomach, Glandular | + + + + + A + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 4 | Mineralization | 3 | Mucosa, Dilatation | 2 2 2 2 2 2| Mucosa, Erosion | 2 2 2 2 1 1| Mucosa, Ulcer | 4 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + +| Aorta, Mineralization | 3 | Thoracic, Inflammation, Chronic | | Active | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy, Chronic | 2 1 4 2 2 3 3 3 3 2 3 2 2 1 1 2 2 3 2 2 3 3| Mineralization | 3 | Artery, Mineralization | | Atrium, Thrombosis | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Fatty | 2 1 2 1 2 2 1 1 1 3 2 2 2 2 3 3 2 2| Hyperplasia | 1 2 1 3 2 | Hypertrophy | 2| Pigmentation | 1 1 2 2 2 2 2 1 1 2 1 2 1 2 2 2 2 2 2 2 2 2| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 2| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + M + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | | Pars Distalis, Cyst | X | Pars Distalis, Hemorrhage | 2 | Pars Distalis, Hyperplasia | 3 2 2 3 2 2 | Pars Intermedia, Angiectasis | 3 | Pars Intermedia, Cyst | | _____________________________________________________________________________________________________________________| Page 83 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 4| 7| 5| 5| 5| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 6| 5| 6| 4| 6| DAY ON TEST | 3| 3| 9| 3| 5| 2| 4| 4| 9| 3| 3| 3| 3| 2| 3| 3| 0| 8| 3| 2| 5| 9| 7| 5| 5| | 3| 1| 1| 2| 8| 2| 0| 3| 6| 2| 2| 2| 0| 9| 6| 1| 6| 1| 1| 6| 2| 7| 1| 8| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | | Ultimobranchial Cyst | X X | C-Cell, Hyperplasia | 1 1 1 1 2 | Follicle, Ectasia | 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Inflammation, Chronic | 2 2 2 2 2 2 2 2 2 2 | Inflammation, Chronic Active | 3 2 2 2 3 3 2 3 2 3 3 3| Mineralization | 2 | Duct, Ectasia | | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 2 | Inflammation, Acute | 2 4| Inflammation, Chronic | | Inflammation, Chronic Active | 2 4 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 3 3 4| Arteriole, Inflammation, Chronic | | Interstitial Cell, Hyperplasia | 1 2 2 2 2 2 2 2 2 2 1 2 1 2 2 2 2 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + +| Mediastinal, Hemorrhage | | Mediastinal, Hyperplasia, Lymphoid | 2 | Mesenteric, Congestion | 2 | Mesenteric, Hyperplasia, Lymphoid | 2 2 2 2 2 2 2 2 | Popliteal, Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + M M M + + + + + M + M + + + + M + +| Congestion | 2 | Cyst | | Hyperplasia, Lymphoid | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 3 3 | Hematopoietic Cell Proliferation | 2 2 1 2 3 2 2 2 2 2 1 1 2 2 2 3 2 2 2 2 2| _____________________________________________________________________________________________________________________| Page 84 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 4| 7| 5| 5| 5| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 6| 5| 6| 4| 6| DAY ON TEST | 3| 3| 9| 3| 5| 2| 4| 4| 9| 3| 3| 3| 3| 2| 3| 3| 0| 8| 3| 2| 5| 9| 7| 5| 5| | 3| 1| 1| 2| 8| 2| 0| 3| 6| 2| 2| 2| 0| 9| 6| 1| 6| 1| 1| 6| 2| 7| 1| 8| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Hyperplasia, Lymphoid | 2 | Pigmentation | 2 1 3 2 2 2 2 2 1 2 1 3 1 2 2 1 2 2 1| __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + M + + + + + +| Congestion | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + M + + + + + + + + + + + + + + + + + + +| Acinus, Ectasia | 2 2 3 2 1 3 3 2 4 2 3 3| Duct, Ectasia | 3 2 2 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + +| Abscess | | Foot, Ulcer | | Head, Abscess | 2 | Head, Inflammation, Acute | | Tail, Subcutaneous Tissue, | | Inflammation, Acute | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + +| Cranium, Fibrous Osteodystrophy | 4 | Cranium, Inflammation, Chronic | | Femur, Fibrous Osteodystrophy | 3 | Humerus, Fracture | | __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + +| Compression | X X | Hemorrhage | | Necrosis | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 2 | Hemorrhage | 1 1 1 | Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| Inflammation, Chronic | 1 | Metaplasia, Osseous | | Pigmentation, Cholesterol | | Alveolar Epithelium, Hyperplasia | 2 2 2 | Alveolus, Infiltration Cellular, | | Histiocyte | 1 2 2 2 2 2 1 2 2 2 2 | Alveolus, Mineralization | 2 | Arteriole, Mineralization | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2| _____________________________________________________________________________________________________________________| Page 85 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 4| 7| 5| 5| 5| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 6| 5| 6| 4| 6| DAY ON TEST | 3| 3| 9| 3| 5| 2| 4| 4| 9| 3| 3| 3| 3| 2| 3| 3| 0| 8| 3| 2| 5| 9| 7| 5| 5| | 3| 1| 1| 2| 8| 2| 0| 3| 6| 2| 2| 2| 0| 9| 6| 1| 6| 1| 1| 6| 2| 7| 1| 8| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Bronchiole, Inflammation, Acute | 2 | Interstitium, Inflammation, Chronic | 1 1 1 | Interstitium, Inflammation, Chronic | | Active | | __________________________________________________________________________| Nose | + + + + + A + + + + + + + + + + + + + + + + +| Lumen, Degeneration | 2 | Lumen, Foreign Body | 2 2 | Lumen, Hemorrhage | 2 3 2 2 1 2 1 1 2 3 2 2 3 2 3| Mucosa, Inflammation, Acute | 2 3 3 3 2 1 2 2 2 2 2 1 2 1 2 2 2 2 2| Nasolacrimal Duct, Inflammation, | | Acute | 3 2| Olfactory Epithelium, Degeneration | 4 3 3 2 1 2 2 3 3 3 2 3 2 2 3 3 3 2 3| Olfactory Epithelium, Erosion | 2 2 2 2 1 | Olfactory Epithelium, Metaplasia | | Olfactory Epithelium, Metaplasia, | | Squamous | 2 | Respiratory Epithelium, Degeneration | 3 2 1 1 2 1 3 3 2 2 2 2 3 3 1 | Respiratory Epithelium, Erosion | 2 | Respiratory Epithelium, Ulcer | | Vomeronasal Organ, Inflammation, | | Acute | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 1 2 | Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Cataract | 3 | Retina, Degeneration | | Sclera, Mineralization | 2 | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + +| Infarct | | Mineralization | 3 | Nephropathy, Chronic | 2 3 4 3 4 3 3 4 4 4 4 4 4 2 3 2 4 4 2 4 4 4| Pelvis, Inflammation, Acute | 4 | Renal Tubule, Cyst | X X | Renal Tubule, Pigmentation | 1 1 2 1 2 2 2 1 1 2 2 1 2 2 2 3 2 2 1 2 2 3| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 | _____________________________________________________________________________________________________________________| Page 86 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 4| 4| 7| 5| 6| 5| 7| 7| 7| 7| 7| 4| 4| 7| 5| 7| 7| 5| 7| 4| 4| 7| 7| 7| DAY ON TEST | 5| 5| 5| 2| 5| 3| 9| 3| 2| 0| 3| 2| 5| 5| 3| 6| 3| 0| 5| 1| 5| 7| 3| 2| 3| | 8| 9| 8| 6| 8| 2| 7| 0| 9| 4| 3| 9| 9| 9| 3| 0| 2| 8| 6| 5| 9| 8| 3| 9| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 1200 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + +| Granuloma | 3 | Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | Parasite Metazoan | X X | Ulcer | 3 4 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + +| Erosion | 2 | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + +| Erosion | 3 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + +| Angiectasis | | Congestion | 2 | Developmental Malformation | X| Fatty Change | 2 2 2 | Focal Cellular Change | X X X X X X X X X| Granuloma | | Necrosis | | Bile Duct, Hyperplasia | 2 2 1 3 2 1 3 2 2 1 2 2 4 3 2 2 2 2 2| Portal, Inflammation, Chronic | 2 2 2 2 1 2 2 2 1 2 2 3 2 2 2 2 2 2| Serosa, Fibrosis | | __________________________________________________________________________| Mesentery | + + | Arteriole, Inflammation, Chronic | 2 | Arteriole, Inflammation, Chronic | | Active | | Fat, Necrosis | 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 3 2 2 2 2 2 3 2 2 3 3 2 2 1 2 1| Acinus, Hyperplasia | 2 | Arteriole, Inflammation, Chronic | | Active | 3 | Arteriole, Mineralization | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | | Arteriole, Mineralization | | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + +| Ulcer | | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 87 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 4| 4| 7| 5| 6| 5| 7| 7| 7| 7| 7| 4| 4| 7| 5| 7| 7| 5| 7| 4| 4| 7| 7| 7| DAY ON TEST | 5| 5| 5| 2| 5| 3| 9| 3| 2| 0| 3| 2| 5| 5| 3| 6| 3| 0| 5| 1| 5| 7| 3| 2| 3| | 8| 9| 8| 6| 8| 2| 7| 0| 9| 4| 3| 9| 9| 9| 3| 0| 2| 8| 6| 5| 9| 8| 3| 9| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 1200 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Erosion | | Hyperplasia, Squamous | 3 | Inflammation, Acute | | Inflammation, Chronic Active | | Mineralization | | Ulcer | 3 4 3 3 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Mineralization | | Mucosa, Dilatation | 2 2 2 2 2 2 2 | Mucosa, Erosion | 3 2 | Mucosa, Ulcer | 3 4 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + +| Aorta, Mineralization | | Thoracic, Inflammation, Chronic | | Active | 4 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + +| Cardiomyopathy, Chronic | 3 2 2 2 3 2 2 2 2 3 3 2 2 2 2 3 3 3| Mineralization | | Artery, Mineralization | | Atrium, Thrombosis | X X | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + +| Degeneration, Fatty | 2 1 2 2 1 1 2 1 1 2 1 2 1 3 2 1 1 | Hyperplasia | 2 2 2 1 1 | Hypertrophy | 2 | Pigmentation | 2 2 2 1 2 2 1 2 2 2 2 1 1| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Parathyroid Gland | + M + + + + + + M + + + M + + M + + +| Hyperplasia | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | | Pars Distalis, Cyst | X X X X | Pars Distalis, Hemorrhage | | Pars Distalis, Hyperplasia | 1 2 2 2 | Pars Intermedia, Angiectasis | | Pars Intermedia, Cyst | X | _____________________________________________________________________________________________________________________| Page 88 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 4| 4| 7| 5| 6| 5| 7| 7| 7| 7| 7| 4| 4| 7| 5| 7| 7| 5| 7| 4| 4| 7| 7| 7| DAY ON TEST | 5| 5| 5| 2| 5| 3| 9| 3| 2| 0| 3| 2| 5| 5| 3| 6| 3| 0| 5| 1| 5| 7| 3| 2| 3| | 8| 9| 8| 6| 8| 2| 7| 0| 9| 4| 3| 9| 9| 9| 3| 0| 2| 8| 6| 5| 9| 8| 3| 9| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 1200 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | | Ultimobranchial Cyst | | C-Cell, Hyperplasia | 2 1 1 1 2 2 1 | Follicle, Ectasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 | Inflammation, Chronic | 3 1 2 1 3 2 | Inflammation, Chronic Active | 2 2 2 2 3 2 3 3 2 3 3| Mineralization | | Duct, Ectasia | 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Inflammation, Acute | 2 | Inflammation, Chronic | 2 | Inflammation, Chronic Active | 2 4 3 3 4 3 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + +| Atrophy | 3 2 4 | Arteriole, Inflammation, Chronic | 2 | Interstitial Cell, Hyperplasia | 2 2 2 2 1 2 2 2 2 2 2 2 2 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 2 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + +| Mediastinal, Hemorrhage | 3 | Mediastinal, Hyperplasia, Lymphoid | | Mesenteric, Congestion | 2 3 2 | Mesenteric, Hyperplasia, Lymphoid | 2 2 2 2 1 1 2 2 2| Popliteal, Hyperplasia, Lymphoid | | __________________________________________________________________________| Lymph Node, Mandibular | + M M M + + + + + + M + + M + + + + +| Congestion | 2 2| Cyst | | Hyperplasia, Lymphoid | 3 2 2 2 2 2 2 1 2| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + +| Fibrosis | 3 | Hematopoietic Cell Proliferation | 2 2 2 2 2 1 1 1 2 2 2 1 2| _____________________________________________________________________________________________________________________| Page 89 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 4| 4| 7| 5| 6| 5| 7| 7| 7| 7| 7| 4| 4| 7| 5| 7| 7| 5| 7| 4| 4| 7| 7| 7| DAY ON TEST | 5| 5| 5| 2| 5| 3| 9| 3| 2| 0| 3| 2| 5| 5| 3| 6| 3| 0| 5| 1| 5| 7| 3| 2| 3| | 8| 9| 8| 6| 8| 2| 7| 0| 9| 4| 3| 9| 9| 9| 3| 0| 2| 8| 6| 5| 9| 8| 3| 9| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 1200 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Hyperplasia, Lymphoid | 2 2 | Pigmentation | 2 2 2 2 2 1 1 2 2 2 2 3 2 2 1 2| __________________________________________________________________________| Thymus | M + + + + + + + + + + + + + M + + + +| Congestion | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + +| Acinus, Ectasia | 3 4 4 2 2 3 3 2 1 1| Duct, Ectasia | 3 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + +| Abscess | | Foot, Ulcer | 4 | Head, Abscess | | Head, Inflammation, Acute | | Tail, Subcutaneous Tissue, | | Inflammation, Acute | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + +| Cranium, Fibrous Osteodystrophy | 1 | Cranium, Inflammation, Chronic | | Femur, Fibrous Osteodystrophy | 1 | Humerus, Fracture | | __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + +| Compression | X X | Hemorrhage | 2 2 | Necrosis | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + +| Congestion | 1 2 | Hemorrhage | 1 2 | Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| Inflammation, Chronic | | Metaplasia, Osseous | 1 | Pigmentation, Cholesterol | 2 1 | Alveolar Epithelium, Hyperplasia | | Alveolus, Infiltration Cellular, | | Histiocyte | 2 2 2 2 1 2 2 2 1 1| Alveolus, Mineralization | 2 | Arteriole, Mineralization | 2 2 2 2 2 2 1 2 2 2 2 2 2 2| _____________________________________________________________________________________________________________________| Page 90 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 _____________________________________________________________________________________________________________________ | 4| 4| 4| 7| 5| 6| 5| 7| 7| 7| 7| 7| 4| 4| 7| 5| 7| 7| 5| 7| 4| 4| 7| 7| 7| DAY ON TEST | 5| 5| 5| 2| 5| 3| 9| 3| 2| 0| 3| 2| 5| 5| 3| 6| 3| 0| 5| 1| 5| 7| 3| 2| 3| | 8| 9| 8| 6| 8| 2| 7| 0| 9| 4| 3| 9| 9| 9| 3| 0| 2| 8| 6| 5| 9| 8| 3| 9| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| ANIMAL ID | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 1200 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Bronchiole, Inflammation, Acute | 3 | Interstitium, Inflammation, Chronic | 1 1 1 1 1 | Interstitium, Inflammation, Chronic | | Active | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + +| Lumen, Degeneration | | Lumen, Foreign Body | | Lumen, Hemorrhage | 2 2 2 2 2 2 2 2 2 3 3 2 2| Mucosa, Inflammation, Acute | 1 2 2 2 1 2 2 2 3 2 2 2 1 2| Nasolacrimal Duct, Inflammation, | | Acute | | Olfactory Epithelium, Degeneration | 3 1 2 3 3 2 3 3 1 3 2 2 2 3 3 3| Olfactory Epithelium, Erosion | 2 2 | Olfactory Epithelium, Metaplasia | | Olfactory Epithelium, Metaplasia, | | Squamous | 2 | Respiratory Epithelium, Degeneration | 2 2 2 2 2 1 2 1 1| Respiratory Epithelium, Erosion | 3 2 | Respiratory Epithelium, Ulcer | 2 | Vomeronasal Organ, Inflammation, | | Acute | 1 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 2 | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | +| Cataract | 2| Retina, Degeneration | 4| Sclera, Mineralization | 2| __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + +| Infarct | 3| Mineralization | | Nephropathy, Chronic | 4 3 4 3 4 4 4 4 2 2 3 2 4 2 4 2 1 4 3| Pelvis, Inflammation, Acute | | Renal Tubule, Cyst | X X | Renal Tubule, Pigmentation | 2 2 2 1 1 2 3 2 1 1 1 3 2 2 2 1 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 | _____________________________________________________________________________________________________________________| Page 91 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 7| 7| 6| 4| 2| 6| 7| 6| 4| | | DAY ON TEST | 9| 3| 3| 1| 5| 0| 4| 2| 8| 5| | | | 5| 0| 1| 9| 8| 5| 1| 9| 1| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | T | ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | A | 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + | 49 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + | 49 | Granuloma | | 1 3.0| Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + | 49 | Inflammation, Acute | | 1 3.0| Parasite Metazoan | X | 7 | Ulcer | | 3 3.3| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + | 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + | 49 | Erosion | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + | 49 | Erosion | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + | 49 | __________________________________________________________________________|____________| Liver | + + + + + + + + | 50 | Angiectasis | 2 | 3 2.0| Congestion | | 1 2.0| Developmental Malformation | | 2 | Fatty Change | 3 | 8 2.0| Focal Cellular Change | X X X X | 23 | Granuloma | | 1 2.0| Necrosis | | 1 2.0| Bile Duct, Hyperplasia | 2 2 2 2 3 2 2 | 49 2.1| Portal, Inflammation, Chronic | 2 2 2 2 1 3 1 | 46 1.9| Serosa, Fibrosis | | 1 2.0| __________________________________________________________________________|____________| Mesentery | + | 4 | Arteriole, Inflammation, Chronic | | 2 2.0| Arteriole, Inflammation, Chronic | | | Active | 3 | 1 3.0| Fat, Necrosis | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + | 50 | Acinus, Atrophy | 2 3 3 | 30 2.1| Acinus, Hyperplasia | | 1 2.0| Arteriole, Inflammation, Chronic | | | Active | | 1 3.0| Arteriole, Mineralization | | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + | 50 | __________________________________________________________________________________________________________________________________ * : 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 Page 92 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 7| 7| 6| 4| 2| 6| 7| 6| 4| | | DAY ON TEST | 9| 3| 3| 1| 5| 0| 4| 2| 8| 5| | | | 5| 0| 1| 9| 8| 5| 1| 9| 1| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | T | ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | A | 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Acinus, Atrophy | | 1 1.0| Arteriole, Mineralization | | 1 2.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + | 50 | Ulcer | | 1 4.0| __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + | 49 | Erosion | 3 | 1 3.0| Hyperplasia, Squamous | 3 | 2 3.0| Inflammation, Acute | 3 | 2 2.5| Inflammation, Chronic Active | | 2 3.0| Mineralization | | 1 3.0| Ulcer | 4 | 9 3.4| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + | 49 | Inflammation, Chronic Active | | 1 4.0| Mineralization | 2 | 2 2.5| Mucosa, Dilatation | 1 2 2 2 2 | 18 1.9| Mucosa, Erosion | 3 | 9 2.0| Mucosa, Ulcer | | 3 3.7| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + | 50 | Aorta, Mineralization | | 1 3.0| Thoracic, Inflammation, Chronic | | | Active | | 1 4.0| __________________________________________________________________________|____________| Heart | + + + + + + + + | 50 | Cardiomyopathy, Chronic | 1 2 2 2 3 3 2 | 47 2.3| Mineralization | | 1 3.0| Artery, Mineralization | 2 | 1 2.0| Atrium, Thrombosis | | 3 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + | 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + | 50 | Degeneration, Fatty | 3 1 1 3 2 1 1 2 | 43 1.7| Hyperplasia | 2 | 11 1.7| Hypertrophy | 2 | 3 2.0| Pigmentation | 1 2 2 2 | 39 1.7| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + | 50 | Hyperplasia | 2 | 4 1.8| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + | 50 | __________________________________________________________________________________________________________________________________ * : 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 Page 93 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 7| 7| 6| 4| 2| 6| 7| 6| 4| | | DAY ON TEST | 9| 3| 3| 1| 5| 0| 4| 2| 8| 5| | | | 5| 0| 1| 9| 8| 5| 1| 9| 1| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | T | ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | A | 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Hyperplasia | | 3 2.0| __________________________________________________________________________|____________| Parathyroid Gland | M + + + + + + + | 44 | Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + | 50 | Pars Distalis, Angiectasis | 3 | 1 3.0| Pars Distalis, Cyst | | 5 | Pars Distalis, Hemorrhage | | 1 2.0| Pars Distalis, Hyperplasia | 2 | 11 2.1| Pars Intermedia, Angiectasis | | 1 3.0| Pars Intermedia, Cyst | | 1 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + | 50 | Infiltration Cellular, Lymphocyte | 2 | 1 2.0| Ultimobranchial Cyst | | 2 | C-Cell, Hyperplasia | 1 2 | 14 1.4| Follicle, Ectasia | 2 2 | 3 2.3| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + | 50 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + | 50 | Hyperplasia | | 1 3.0| Inflammation, Chronic | 2 3 3 1 2 2 | 22 2.0| Inflammation, Chronic Active | 2 3 | 25 2.5| Mineralization | | 1 2.0| Duct, Ectasia | 3 | 2 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + | 50 | Hyperplasia | | 3 1.7| Inflammation, Acute | 4 2 | 5 2.8| Inflammation, Chronic | 2 | 2 2.0| Inflammation, Chronic Active | 3 2 | 10 3.0| __________________________________________________________________________|____________| Testes | + + + + + + + + | 50 | Atrophy | 3 3 | 9 3.1| Arteriole, Inflammation, Chronic | | 1 2.0| Interstitial Cell, Hyperplasia | 2 2 2 2 2 | 37 1.9| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + | 4 | __________________________________________________________________________________________________________________________________ * : 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 Page 94 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 7| 7| 6| 4| 2| 6| 7| 6| 4| | | DAY ON TEST | 9| 3| 3| 1| 5| 0| 4| 2| 8| 5| | | | 5| 0| 1| 9| 8| 5| 1| 9| 1| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | T | ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | A | 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + | 50 | Myelofibrosis | 2 3 | 5 2.4| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + | 50 | Mediastinal, Hemorrhage | | 1 3.0| Mediastinal, Hyperplasia, Lymphoid | | 1 2.0| Mesenteric, Congestion | | 4 2.3| Mesenteric, Hyperplasia, Lymphoid | 2 2 2 2 2 | 22 1.9| Popliteal, Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + M M + + + | 37 | Congestion | | 3 2.0| Cyst | X | 1 | Hyperplasia, Lymphoid | 2 2 2 3 2 | 30 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + | 50 | Fibrosis | | 4 2.8| Hematopoietic Cell Proliferation | 2 2 2 2 1 1 | 40 1.8| Hyperplasia, Lymphoid | | 3 2.0| Pigmentation | 2 2 1 2 2 1 2 | 42 1.8| __________________________________________________________________________|____________| Thymus | + + + + + M + + | 46 | Congestion | | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + | 49 | Acinus, Ectasia | 2 3 4 3 2 3 | 28 2.6| Duct, Ectasia | 3 3 | 8 2.6| __________________________________________________________________________|____________| Skin | + + + + + + + + | 50 | Abscess | 4 | 1 4.0| Foot, Ulcer | | 1 4.0| Head, Abscess | | 1 2.0| Head, Inflammation, Acute | 2 | 1 2.0| Tail, Subcutaneous Tissue, | | | Inflammation, Acute | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + | 50 | Cranium, Fibrous Osteodystrophy | | 2 2.5| Cranium, Inflammation, Chronic | 4 | 1 4.0| Femur, Fibrous Osteodystrophy | | 2 2.0| Humerus, Fracture | X | 1 | __________________________________________________________________________|____________| Skeletal Muscle | + | 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 Page 95 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 7| 7| 6| 4| 2| 6| 7| 6| 4| | | DAY ON TEST | 9| 3| 3| 1| 5| 0| 4| 2| 8| 5| | | | 5| 0| 1| 9| 8| 5| 1| 9| 1| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | T | ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | A | 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + | 50 | Compression | X X | 6 | Hemorrhage | | 2 2.0| Necrosis | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + | 50 | Congestion | | 4 2.0| Hemorrhage | | 5 1.2| Infiltration Cellular, Lymphocyte | 2 2 2 2 2 2 2 2 | 49 2.0| Inflammation, Chronic | | 1 1.0| Metaplasia, Osseous | | 1 1.0| Pigmentation, Cholesterol | | 2 1.5| Alveolar Epithelium, Hyperplasia | | 3 2.0| Alveolus, Infiltration Cellular, | | | Histiocyte | 1 1 2 2 | 25 1.7| Alveolus, Mineralization | | 2 2.0| Arteriole, Mineralization | 2 2 2 2 2 2 2 1 | 38 1.9| Bronchiole, Inflammation, Acute | | 2 2.5| Interstitium, Inflammation, Chronic | 1 1 | 10 1.0| Interstitium, Inflammation, Chronic | | | Active | 2 | 2 1.5| __________________________________________________________________________|____________| Nose | + + + + + + + + | 49 | Lumen, Degeneration | | 1 2.0| Lumen, Foreign Body | | 2 2.0| Lumen, Hemorrhage | 3 1 3 2 3 2 2 | 35 2.1| Mucosa, Inflammation, Acute | 1 2 2 1 1 1 2 | 40 1.9| Nasolacrimal Duct, Inflammation, | | | Acute | | 2 2.5| Olfactory Epithelium, Degeneration | 3 3 3 3 3 3 3 | 42 2.6| Olfactory Epithelium, Erosion | 2 | 8 1.9| Olfactory Epithelium, Metaplasia | 2 | 1 2.0| Olfactory Epithelium, Metaplasia, | | | Squamous | | 2 2.0| Respiratory Epithelium, Degeneration | 1 1 2 3 1 2 2 | 31 1.9| Respiratory Epithelium, Erosion | | 3 2.3| Respiratory Epithelium, Ulcer | | 1 2.0| __________________________________________________________________________________________________________________________________ * : 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 Page 96 NTP Experiment-Test: 05701-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOLUENE Date: 05/01/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 07:31:19 __________________________________________________________________________________________________________________________________ | 4| 7| 7| 6| 4| 2| 6| 7| 6| 4| | | DAY ON TEST | 9| 3| 3| 1| 5| 0| 4| 2| 8| 5| | | | 5| 0| 1| 9| 8| 5| 1| 9| 1| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | T | ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | A | 1200 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Vomeronasal Organ, Inflammation, | | | Acute | | 1 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + | 50 | Inflammation, Acute | | 3 1.7| Inflammation, Chronic Active | | 1 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 2 | Cataract | | 2 2.5| Retina, Degeneration | | 1 4.0| Sclera, Mineralization | | 2 2.0| __________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + | 50 | Infarct | 3 | 2 3.0| Mineralization | | 1 3.0| Nephropathy, Chronic | 2 3 4 4 3 4 4 | 48 3.3| Pelvis, Inflammation, Acute | | 1 4.0| Renal Tubule, Cyst | X | 5 | Renal Tubule, Pigmentation | 2 1 1 2 2 2 2 | 47 1.7| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + | 50 | Inflammation, Chronic Active | | 2 2.0| __________________________________________________________________________________________________________________________________ * : 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 Page 97 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------ --multipart-boundary Content-type: text/plain Range: bytes 898914-898914/898914 --multipart-boundary--