TDMS Study 05203-09 Pathology Tables
NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 MICE, FINAL#1 Facility: Southern Research Institute Chemical CAS #: 88-72-2 Lock Date: 03/08/99 Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| | 1| 1| 1| 1| 0| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 1| 1| 1| 1| 1| 1| 1| 2| 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| B6C3F1 MICE 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 | 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| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + M + + +| Cyst | | |__________________________________________________________________________| Intestine Large, Colon | + + + + M + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Peyer's Patch, Hyperplasia, Lymphoid | 2 | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Clear Cell Focus | | Congestion, Focal | | Eosinophilic Focus | X | Hyperplasia, Focal, Lymphoid | | Infiltration Cellular, Mixed Cell | 1 1 1 2 1 1 1 2 1 2 1 1 1 1 1 1 2 2 2 1 3 1 1| Necrosis | 2 2 1 | Tension Lipidosis | | Hepatocyte, Vacuolization | | Cytoplasmic, Focal | 2 | Hepatocyte, Centrilobular, Fatty | | Change | | |__________________________________________________________________________| Mesentery | + + + | Inflammation, Chronic | | Fat, Necrosis | 3 3 1 | |__________________________________________________________________________| Oral Mucosa | + | __________________________________________|__________________________________________________________________________| Page 2 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| | 1| 1| 1| 1| 0| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 1| 1| 1| 1| 1| 1| 1| 2| 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| B6C3F1 MICE 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 | 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| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy, Focal | | Duct, Cyst | 3| Duct, Inflammation, Chronic, Focal | 2 2| |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | Inflammation, Focal | | Ulcer | | Epithelium, Hyperplasia | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion | | |__________________________________________________________________________| Tooth | + + | Peridontal Tissue, Inflammation, | | Chronic | 2 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + M + + + + + + + + + + + + + + + + + + + +| Cyst | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 3 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| | 1| 1| 1| 1| 0| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 1| 1| 1| 1| 1| 1| 1| 2| 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| B6C3F1 MICE 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 | 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| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cytoplasmic | | Alteration, Focal | | Pars Distalis, Hyperplasia, Focal | 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic, Focal | 1 2 2 3 2 | Inflammation, Chronic, Focal | | Follicular Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + M + + + + + I| Degeneration, Cystic | 3 3 3 2 2 | Inflammation, Chronic | 3 | Pigmentation | | |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + I + + + + + + + +| Angiectasis | 3 | Cyst | 3 X 3 3 | Cyst, Multiple | | Hemorrhage | 2 | |__________________________________________________________________________| Oviduct | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Cyst | | Hydrometra | 2 3 3 3 3 3 4 3 3 2 3 2 3 | Inflammation, Suppurative | 3 | Endometrium, Hyperplasia, Cystic | 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 4 3 3 3 3 3 3 3| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 4 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| | 1| 1| 1| 1| 0| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 1| 1| 1| 1| 1| 1| 1| 2| 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| B6C3F1 MICE 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 | 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| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Inflammation, Chronic, Focal | | Myelofibrosis, Focal | 3 | |__________________________________________________________________________| Lymph Node | + | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + I + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + M + + + + + + + + + + M + + + + + + + + + +| Hyperplasia, Lymphoid | 2 | Hyperplasia, Mast Cell | 3 | Hyperplasia | 3 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 | Hematopoietic Cell Proliferation | 2 3 2 2 | Hyperplasia, Lymphoid | 3 2 2 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Atrophy | | Cyst | 2 | Hyperplasia, Lymphoid | 3 3 3 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 2 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Cyst | | Subcutaneous Tissue, Hemorrhage, | | Focal | | Subcutaneous Tissue, Inflammation, | | Chronic, Focal | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | __________________________________________|__________________________________________________________________________| Page 5 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| | 1| 1| 1| 1| 0| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 1| 1| 1| 1| 1| 1| 1| 2| 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| B6C3F1 MICE 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 | 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| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Maxilla, Hyperostosis, Focal | | |__________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy, Focal | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hemorrhage | | Hyperplasia, Histiocytic | 2 | Hyperplasia, Lymphoid | 2 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pleura | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Harderian Gland | + + + | |__________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy, Focal | 2 2 | Congestion | 2 1 | Cyst | 1 2 | Nephropathy | 1 1 | __________________________________________|__________________________________________________________________________| Page 6 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| | 1| 1| 1| 1| 0| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 1| 1| 1| 1| 1| 1| 1| 2| 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| B6C3F1 MICE 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 | 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| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Renal Tubule, Accumulation, Hyaline | | Droplet | | Renal Tubule, Casts Protein | 2 1 2 2 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 7 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 9| 3| 6| 3| 3| | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 5| 5| 5| 5| 5| 2| 2| 2| 2| 9| 5| 2| 5| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + I + + + + + + + + + + + + + A + + + + A + A + +| Cyst | 2 | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + A + + + + + + A + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + A + + + + + + A + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + A + + + + A + A + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + A + + + + A + A + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + A + + + + A + A + +| Peyer's Patch, Hyperplasia, Lymphoid | | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + A + + + + + + A + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Clear Cell Focus | X | Congestion, Focal | 2 | Eosinophilic Focus | X | Hyperplasia, Focal, Lymphoid | 2 | Infiltration Cellular, Mixed Cell | 1 1 1 1 1 2 1 1 1 1 1 2 1 2 1 1 1| Necrosis | | Tension Lipidosis | X | Hepatocyte, Vacuolization | | Cytoplasmic, Focal | | Hepatocyte, Centrilobular, Fatty | | Change | 3 | |__________________________________________________________________________| Mesentery | + + + + + + | Inflammation, Chronic | 3 | Fat, Necrosis | 3 1 | |__________________________________________________________________________| Oral Mucosa | | __________________________________________|__________________________________________________________________________| Page 8 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 9| 3| 6| 3| 3| | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 5| 5| 5| 5| 5| 2| 2| 2| 2| 9| 5| 2| 5| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy, Focal | 3 | Duct, Cyst | 3 | Duct, Inflammation, Chronic, Focal | | |__________________________________________________________________________| Salivary Glands | M + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | 2 | Inflammation, Focal | 3 | Ulcer | 2 | Epithelium, Hyperplasia | 2 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + A + +| Erosion | | |__________________________________________________________________________| Tooth | + + + + | Peridontal Tissue, Inflammation, | | Chronic | 1 2 2 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + A + + + + + + + + +| Accessory Adrenal Cortical Nodule | 1 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + A + + + + + + + + +| Hyperplasia | 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + M + + + + M + + + + + + + + + +| Cyst | 3 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 9 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 9| 3| 6| 3| 3| | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 5| 5| 5| 5| 5| 2| 2| 2| 2| 9| 5| 2| 5| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Pituitary Gland | + M + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cytoplasmic | | Alteration, Focal | 1 | Pars Distalis, Hyperplasia, Focal | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic, Focal | 1 2 1 2 2 1 3 3 | Inflammation, Chronic, Focal | | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 3 3 2 | Inflammation, Chronic | 3 | Pigmentation | 3 | |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 2 | Cyst | 3 2 2 3 3 | Cyst, Multiple | 2 | Hemorrhage | | |__________________________________________________________________________| Oviduct | + | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 | Cyst | 2 | Hydrometra | 3 2 3 3 4 3 4 3 3 3 | Inflammation, Suppurative | 3 | Endometrium, Hyperplasia, Cystic | 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 10 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 9| 3| 6| 3| 3| | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 5| 5| 5| 5| 5| 2| 2| 2| 2| 9| 5| 2| 5| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 | Inflammation, Chronic, Focal | 3 | Myelofibrosis, Focal | | |__________________________________________________________________________| Lymph Node | + + + + | |__________________________________________________________________________| Lymph Node, Mandibular | M + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + I + + + + + + + + + M M + + +| Hyperplasia, Lymphoid | 3 2 3 3 | Hyperplasia, Mast Cell | | Hyperplasia | 3 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + M + + + + + + + + +| Fibrosis | | Hematopoietic Cell Proliferation | 2 3 | Hyperplasia, Lymphoid | 2 3 2 2 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Atrophy | 4 | Cyst | | Hyperplasia, Lymphoid | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Cyst | | Subcutaneous Tissue, Hemorrhage, | | Focal | | Subcutaneous Tissue, Inflammation, | | Chronic, Focal | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | __________________________________________|__________________________________________________________________________| Page 11 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 9| 3| 6| 3| 3| | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 5| 5| 5| 5| 5| 2| 2| 2| 2| 9| 5| 2| 5| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Maxilla, Hyperostosis, Focal | 3 | |__________________________________________________________________________| Skeletal Muscle | + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy, Focal | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 | Hemorrhage | 2 | Hyperplasia, Histiocytic | | Hyperplasia, Lymphoid | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pleura | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + M| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Harderian Gland | + + A | |__________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + A + +| Atrophy, Focal | | Congestion | | Cyst | | Nephropathy | 1 1 2 1 1 1 | __________________________________________|__________________________________________________________________________| Page 12 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 9| 3| 6| 3| 3| | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 5| 5| 5| 5| 5| 2| 2| 2| 2| 9| 5| 2| 5| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Renal Tubule, Accumulation, Hyaline | | Droplet | 3 | Renal Tubule, Casts Protein | 2 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 13 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 7| 7| 7| 3| 7| | | DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 6| 3| | | | 5| 5| 5| 5| 3| 3| 3| 3| 2| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | A | 0 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Gallbladder | + + + + + + + + A + | 54 | Cyst | | 1 2.0| |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + A + | 56 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + A + | 57 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + A + | 56 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + A + | 56 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + A + | 56 | Peyer's Patch, Hyperplasia, Lymphoid | | 1 2.0| |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + A + | 57 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Basophilic Focus | | 1 | Clear Cell Focus | | 1 | Congestion, Focal | | 1 2.0| Eosinophilic Focus | | 2 | Hyperplasia, Focal, Lymphoid | 2 | 2 2.0| Infiltration Cellular, Mixed Cell | 1 1 1 1 1 | 45 1.2| Necrosis | | 3 1.7| Tension Lipidosis | | 1 | Hepatocyte, Vacuolization | | | Cytoplasmic, Focal | | 1 2.0| Hepatocyte, Centrilobular, Fatty | | | Change | 3 | 2 3.0| |__________________________________________________________________________|____________| Mesentery | + + | 11 | _____________________________________________________________________________________________________________________|____________| * : 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: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 7| 7| 7| 3| 7| | | DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 6| 3| | | | 5| 5| 5| 5| 3| 3| 3| 3| 2| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | A | 0 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Inflammation, Chronic | | 1 3.0| Fat, Necrosis | 3 | 6 2.3| |__________________________________________________________________________|____________| Oral Mucosa | | 1 | |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 60 | Acinus, Atrophy, Focal | | 1 3.0| Duct, Cyst | | 2 3.0| Duct, Inflammation, Chronic, Focal | | 2 2.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 59 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 60 | Diverticulum | | 1 2.0| Inflammation, Focal | | 1 3.0| Ulcer | | 1 2.0| Epithelium, Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + A + | 58 | Erosion | 3 | 1 3.0| |__________________________________________________________________________|____________| Tooth | + + | 8 | Peridontal Tissue, Inflammation, | | | Chronic | 3 2 | 8 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 59 | Accessory Adrenal Cortical Nodule | | 2 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 15 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 7| 7| 7| 3| 7| | | DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 6| 3| | | | 5| 5| 5| 5| 3| 3| 3| 3| 2| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | A | 0 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Adrenal Medulla | + + + + + + + + + + | 59 | Hyperplasia | 3 | 2 2.5| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + | 57 | Cyst | | 1 3.0| |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + A + | 58 | Pars Distalis, Cytoplasmic | | | Alteration, Focal | | 1 1.0| Pars Distalis, Hyperplasia, Focal | | 1 3.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 60 | Degeneration, Cystic, Focal | 1 | 14 1.9| Inflammation, Chronic, Focal | 2 1 | 2 1.5| Follicular Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + | 58 | Degeneration, Cystic | 3 3 3 | 11 2.7| Inflammation, Chronic | 3 | 3 3.0| Pigmentation | 2 2 | 3 2.3| |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 59 | Angiectasis | | 3 2.7| Cyst | 3 3 | 11 2.8| Cyst, Multiple | | 1 2.0| Hemorrhage | | 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 16 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 7| 7| 7| 3| 7| | | DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 6| 3| | | | 5| 5| 5| 5| 3| 3| 3| 3| 2| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | A | 0 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | |__________________________________________________________________________|____________| Oviduct | | 1 | |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 60 | Angiectasis | | 1 3.0| Cyst | | 1 2.0| Hydrometra | 3 | 24 3.0| Inflammation, Suppurative | | 2 3.0| Endometrium, Hyperplasia, Cystic | 3 3 2 3 3 3 3 3 | 54 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Hyperplasia | | 1 3.0| Inflammation, Chronic, Focal | | 1 3.0| Myelofibrosis, Focal | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node | + | 6 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + | 58 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + M + + + + + + + I | 53 | Hyperplasia, Lymphoid | 2 | 6 2.5| Hyperplasia, Mast Cell | | 1 3.0| Hyperplasia | | 2 3.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 59 | Fibrosis | | 1 2.0| Hematopoietic Cell Proliferation | 2 2 4 3 2 | 11 2.5| Hyperplasia, Lymphoid | 2 | 8 2.3| |__________________________________________________________________________|____________| Thymus | + I + + M + + + + M | 57 | Angiectasis | | 1 2.0| Atrophy | | 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 17 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 7| 7| 7| 3| 7| | | DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 6| 3| | | | 5| 5| 5| 5| 3| 3| 3| 3| 2| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | A | 0 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Cyst | | 1 2.0| Hyperplasia, Lymphoid | | 5 2.8| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 60 | Ectasia | | 1 2.0| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Subcutaneous Tissue, Cyst | 4 | 1 4.0| Subcutaneous Tissue, Hemorrhage, | | | Focal | 4 | 1 4.0| Subcutaneous Tissue, Inflammation, | | | Chronic, Focal | 3 | 2 2.5| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | Maxilla, Hyperostosis, Focal | | 1 3.0| |__________________________________________________________________________|____________| Skeletal Muscle | | 2 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | Atrophy, Focal | | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Congestion | | 1 3.0| Hemorrhage | 2 | 2 2.0| Hyperplasia, Histiocytic | | 1 2.0| Hyperplasia, Lymphoid | | 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 18 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 7| 7| 7| 3| 7| | | DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 6| 3| | | | 5| 5| 5| 5| 3| 3| 3| 3| 2| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | A | 0 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | |__________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Pleura | + | 1 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 59 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Harderian Gland | | 5 | |__________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 59 | Atrophy, Focal | | 2 2.0| Congestion | | 2 1.5| Cyst | | 2 1.5| Nephropathy | 1 | 9 1.1| Renal Tubule, Accumulation, Hyaline | | | Droplet | | 1 3.0| Renal Tubule, Casts Protein | 2 | 6 1.8| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + A + | 59 | __________________________________________________________________________________________________________________________________ * : 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 19 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 5| 3| 3| 2| 3| 3| 1| 4| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 8| 1| 1| 3| 1| 2| 2| 4| 2| 2| 5| 2| 5| 5| 5| 3| 3| 3| 3| 3| 5| 5| 5| 5| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | A + + A + + + M + + + + + + + + + + + + + + + + +| Cyst | | |__________________________________________________________________________| Intestine Large, Colon | A + + + + + + A + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + A + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | A + + A + + + A + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | A + + A + + + A + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | A + + A + + + A + + + + + + + + + + + + + + + + +| Peyer's Patch, Inflammation, Chronic,| | Focal, Suppurative | | |__________________________________________________________________________| Intestine Small, Ileum | A + + A + + + A + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + A + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Basophilic Focus | X X X X | Congestion, Focal | 2 2 | Cyst | 3 | Eosinophilic Focus | X | Hyperplasia, Focal, Lymphoid | 2 2 | Infiltration Cellular, Mixed Cell | 1 1 2 1 1 1 1 1 1 1 1 1 2 1 2 1 1 | Tension Lipidosis | X | Bile Duct, Cyst | | Hepatocyte, Fatty Change, Diffuse | 3 | Hepatocyte, Fatty Change | 4 | Hepatocyte, Vacuolization | | Cytoplasmic, Diffuse | | Hepatocyte, Vacuolization | | Cytoplasmic, Focal | 2 | |__________________________________________________________________________| Mesentery | + + + + | __________________________________________|__________________________________________________________________________| Page 20 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 5| 3| 3| 2| 3| 3| 1| 4| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 8| 1| 1| 3| 1| 2| 2| 4| 2| 2| 5| 2| 5| 5| 5| 3| 3| 3| 3| 3| 5| 5| 5| 5| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Fat, Necrosis | 2 3 2 | |__________________________________________________________________________| Pancreas | A + + + + + + A + + + + + + + + + + + + + + + + +| Acinus, Atrophy, Diffuse | 4 | Duct, Cyst | 3 | |__________________________________________________________________________| Salivary Glands | + + + + + + + M + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | A + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | Inflammation, Focal | 2 2 | Ulcer | 1 | Epithelium, Hyperplasia | 1 2 2 | |__________________________________________________________________________| Stomach, Glandular | A + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | 1 | |__________________________________________________________________________| Tooth | + + | Peridontal Tissue, Inflammation, | | Chronic | 2 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + | Aorta, Mineralization | 3 | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | A + + + + + + + + + + + + + + + + + + + + + + + +| Cytoplasmic Alteration, Focal | | |__________________________________________________________________________| Adrenal Medulla | A + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | A + + + + + + A + + + + + + + + + + + + + + + + +| Atrophy, Diffuse | 3 | __________________________________________|__________________________________________________________________________| Page 21 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 5| 3| 3| 2| 3| 3| 1| 4| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 8| 1| 1| 3| 1| 2| 2| 4| 2| 2| 5| 2| 5| 5| 5| 3| 3| 3| 3| 3| 5| 5| 5| 5| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | |__________________________________________________________________________| Parathyroid Gland | + + + M M + + + + + + + + + + + + + + + + + + + +| Cyst | | |__________________________________________________________________________| Pituitary Gland | M + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | | Pars Distalis, Cytoplasmic | | Alteration, Focal | 1 1 | Pars Distalis, Hyperplasia, Focal | 2 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic, Focal | 3 2 1 1 2 2 1 2| Inflammation, Chronic, Focal | 2 | Follicle, Cyst | 3 | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 3 | Inflammation, Chronic | | Pigmentation | 2 2 | |__________________________________________________________________________| Ovary | A + + A + + + + + + + + + + + + + + + M + + + + +| Angiectasis | | Cyst | 2 4 2 2 3 2 3 3 2 | Cyst, Multiple | 3 | Hemorrhage | | Periovarian Tissue, Cyst | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis, Focal | | Congestion | 3 | Cyst | 2 | Hemorrhage | 3 | __________________________________________|__________________________________________________________________________| Page 22 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 5| 3| 3| 2| 3| 3| 1| 4| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 8| 1| 1| 3| 1| 2| 2| 4| 2| 2| 5| 2| 5| 5| 5| 3| 3| 3| 3| 3| 5| 5| 5| 5| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Hydrometra | 4 3 3 2 3 3 4 3| Inflammation, Suppurative | 3 | Endometrium, Hyperplasia, Cystic | 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 2 2 3 3 3| |__________________________________________________________________________| Vagina | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | A + + + + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 3 | |__________________________________________________________________________| Lymph Node | + +| |__________________________________________________________________________| Lymph Node, Mandibular | A + + + + + + M + + + + M + + + + + + + + + + + +| Hyperplasia, Lymphoid | | |__________________________________________________________________________| Lymph Node, Mesenteric | A + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 3 | Hyperplasia | 3 | |__________________________________________________________________________| Spleen | M + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 2 3 3 2 3 | Hyperplasia, Lymphoid | 3 3 2 2 | |__________________________________________________________________________| Thymus | M + + + + I + + + + + + + + + + + + + + + + + + M| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Edema | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + | __________________________________________|__________________________________________________________________________| Page 23 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 5| 3| 3| 2| 3| 3| 1| 4| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 8| 1| 1| 3| 1| 2| 2| 4| 2| 2| 5| 2| 5| 5| 5| 3| 3| 3| 3| 3| 5| 5| 5| 5| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Peripheral Nerve | | |__________________________________________________________________________| Spinal Cord | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hemorrhage | | Hyperplasia, Focal, Histiocytic | | Hyperplasia, Lymphoid | 2| Metaplasia, Osseous | | Alveolar Epithelium, Hyperplasia | 2 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | A + + + + + + A + + + + + + + + + + + + + + + + +| Congestion | | Hyperplasia, Lymphoid | 2 | Nephropathy | 1 1 3 1 1 1 1 1 | Bilateral, Atrophy, Focal | | Bilateral, Fibrosis, Focal | | Bilateral, Inflammation, Chronic, | | Focal | | Pelvis, Dilatation | | Renal Tubule, Accumulation, Hyaline | | Droplet | | __________________________________________|__________________________________________________________________________| Page 24 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 5| 3| 3| 2| 3| 3| 1| 4| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 8| 1| 1| 3| 1| 2| 2| 4| 2| 2| 5| 2| 5| 5| 5| 3| 3| 3| 3| 3| 5| 5| 5| 5| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Renal Tubule, Casts Protein | 2 2 2 2 2 | Renal Tubule, Pigmentation | 2 | |__________________________________________________________________________| Urinary Bladder | M + + M + + + A + + + + + + + + + + + + + + + + M| __________________________________________|__________________________________________________________________________ Page 25 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 2| 7| 7| 7| 7| 7| 7| 7| 7| 5| 4| 7| DAY ON TEST | 3| 3| 3| 7| 3| 3| 6| 3| 3| 3| 0| 3| 3| 6| 2| 3| 3| 3| 3| 3| 3| 3| 5| 9| 3| | 3| 3| 3| 9| 3| 5| 0| 5| 5| 5| 8| 5| 5| 6| 1| 2| 2| 2| 2| 2| 5| 5| 3| 7| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + + + + + + + A + + A + + + + + + + + + + +| Cyst | 2 | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + A + + A + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + A + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + A + + + A + + A + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + A + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + A + + + A + + A + + + + + + + + + + +| Peyer's Patch, Inflammation, Chronic,| | Focal, Suppurative | 3 | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + A + + + A + + A + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X X | Congestion, Focal | | Cyst | | Eosinophilic Focus | X | Hyperplasia, Focal, Lymphoid | 4 2 | Infiltration Cellular, Mixed Cell | 1 1 1 1 1 1 1 1 1 1 1 3 2 1| Tension Lipidosis | | Bile Duct, Cyst | 3 | Hepatocyte, Fatty Change, Diffuse | 3 | Hepatocyte, Fatty Change | | Hepatocyte, Vacuolization | | Cytoplasmic, Diffuse | 2| Hepatocyte, Vacuolization | | Cytoplasmic, Focal | | |__________________________________________________________________________| Mesentery | + + + +| __________________________________________|__________________________________________________________________________| Page 26 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 2| 7| 7| 7| 7| 7| 7| 7| 7| 5| 4| 7| DAY ON TEST | 3| 3| 3| 7| 3| 3| 6| 3| 3| 3| 0| 3| 3| 6| 2| 3| 3| 3| 3| 3| 3| 3| 5| 9| 3| | 3| 3| 3| 9| 3| 5| 0| 5| 5| 5| 8| 5| 5| 6| 1| 2| 2| 2| 2| 2| 5| 5| 3| 7| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Fat, Necrosis | 2 2| |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + A + + + + + + + + + + +| Acinus, Atrophy, Diffuse | 4 | Duct, Cyst | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + A + + + + + + + + + + +| Edema | 3 | Inflammation, Focal | | Ulcer | | Epithelium, Hyperplasia | 2 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + A + + + + + + + + + + +| Ulcer | | |__________________________________________________________________________| Tooth | + | Peridontal Tissue, Inflammation, | | Chronic | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + | Aorta, Mineralization | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Cytoplasmic Alteration, Focal | 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + M + + + + + + + + + + I + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + A + + + + + + + + + + +| Atrophy, Diffuse | | __________________________________________|__________________________________________________________________________| Page 27 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 2| 7| 7| 7| 7| 7| 7| 7| 7| 5| 4| 7| DAY ON TEST | 3| 3| 3| 7| 3| 3| 6| 3| 3| 3| 0| 3| 3| 6| 2| 3| 3| 3| 3| 3| 3| 3| 5| 9| 3| | 3| 3| 3| 9| 3| 5| 0| 5| 5| 5| 8| 5| 5| 6| 1| 2| 2| 2| 2| 2| 5| 5| 3| 7| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + M + + + + +| Cyst | | |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | 2 | Pars Distalis, Cytoplasmic | | Alteration, Focal | 2 1| Pars Distalis, Hyperplasia, Focal | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + M + + + + +| Degeneration, Cystic, Focal | 1 2 2 2 2 1 | Inflammation, Chronic, Focal | | Follicle, Cyst | | Follicular Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | I + + M + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 2 3 | Inflammation, Chronic | | Pigmentation | | |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + A + + + + + + + + + + +| Angiectasis | 3 | Cyst | X 2 2 2 2 3 | Cyst, Multiple | 3 | Hemorrhage | 3 | Periovarian Tissue, Cyst | 2 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + A + + + + + + + + + + +| Angiectasis, Focal | | Congestion | | Cyst | | Hemorrhage | | __________________________________________|__________________________________________________________________________| Page 28 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 2| 7| 7| 7| 7| 7| 7| 7| 7| 5| 4| 7| DAY ON TEST | 3| 3| 3| 7| 3| 3| 6| 3| 3| 3| 0| 3| 3| 6| 2| 3| 3| 3| 3| 3| 3| 3| 5| 9| 3| | 3| 3| 3| 9| 3| 5| 0| 5| 5| 5| 8| 5| 5| 6| 1| 2| 2| 2| 2| 2| 5| 5| 3| 7| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Hydrometra | 3 3 3 3 3 3 3 3 3 3 3 | Inflammation, Suppurative | | Endometrium, Hyperplasia, Cystic | 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 2 3| |__________________________________________________________________________| Vagina | + | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + A + + + + + + + + + + +| Myelofibrosis | 3 | |__________________________________________________________________________| Lymph Node | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + M + + + + + + A + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + A + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 | Hyperplasia | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + A + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 2 3 2 2 3 2 2 3 | Hyperplasia, Lymphoid | 2 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + M +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + I + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Edema | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + + | __________________________________________|__________________________________________________________________________| Page 29 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 2| 7| 7| 7| 7| 7| 7| 7| 7| 5| 4| 7| DAY ON TEST | 3| 3| 3| 7| 3| 3| 6| 3| 3| 3| 0| 3| 3| 6| 2| 3| 3| 3| 3| 3| 3| 3| 5| 9| 3| | 3| 3| 3| 9| 3| 5| 0| 5| 5| 5| 8| 5| 5| 6| 1| 2| 2| 2| 2| 2| 5| 5| 3| 7| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 2 3 | Hemorrhage | 2 | Hyperplasia, Focal, Histiocytic | 4 | Hyperplasia, Lymphoid | | Metaplasia, Osseous | | Alveolar Epithelium, Hyperplasia | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + M + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + A + + + + + + + + + + +| Congestion | 2 2 | Hyperplasia, Lymphoid | 2 2 | Nephropathy | 1 1 2 3 1 | Bilateral, Atrophy, Focal | 3 | Bilateral, Fibrosis, Focal | 3 | Bilateral, Inflammation, Chronic, | | Focal | 3 | Pelvis, Dilatation | 3 | Renal Tubule, Accumulation, Hyaline | | Droplet | 4 2 | __________________________________________|__________________________________________________________________________| Page 30 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 2| 7| 7| 7| 7| 7| 7| 7| 7| 5| 4| 7| DAY ON TEST | 3| 3| 3| 7| 3| 3| 6| 3| 3| 3| 0| 3| 3| 6| 2| 3| 3| 3| 3| 3| 3| 3| 5| 9| 3| | 3| 3| 3| 9| 3| 5| 0| 5| 5| 5| 8| 5| 5| 6| 1| 2| 2| 2| 2| 2| 5| 5| 3| 7| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Renal Tubule, Casts Protein | 1 2 2 | Renal Tubule, Pigmentation | | |__________________________________________________________________________| Urinary Bladder | + + + + + + A + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 31 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 3| 7| 7| 7| 7| 7| 3| 7| | | DAY ON TEST | 3| 3| 4| 3| 3| 3| 3| 3| 1| 3| | | | 2| 2| 3| 2| 2| 5| 5| 5| 2| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Gallbladder | + M A + + + + + + + | 53 | Cyst | | 1 2.0| |__________________________________________________________________________|____________| Intestine Large, Colon | + + A + + + + + + + | 55 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + A + + + + + + + | 57 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + A + + + + + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + A + + + + + + + | 55 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + A + + + + + + + | 53 | Peyer's Patch, Inflammation, Chronic,| | | Focal, Suppurative | | 1 3.0| |__________________________________________________________________________|____________| Intestine Small, Ileum | + + A + + + + + + + | 53 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 59 | Angiectasis | | 1 2.0| Basophilic Focus | | 6 | Congestion, Focal | | 2 2.0| Cyst | | 1 3.0| Eosinophilic Focus | X | 3 | Hyperplasia, Focal, Lymphoid | 2 | 5 2.4| Infiltration Cellular, Mixed Cell | 2 1 1 1 1 1 2 | 38 1.2| Tension Lipidosis | | 1 | Bile Duct, Cyst | | 1 3.0| Hepatocyte, Fatty Change, Diffuse | | 2 3.0| Hepatocyte, Fatty Change | | 1 4.0| Hepatocyte, Vacuolization | | | Cytoplasmic, Diffuse | 3 | 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 32 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 3| 7| 7| 7| 7| 7| 3| 7| | | DAY ON TEST | 3| 3| 4| 3| 3| 3| 3| 3| 1| 3| | | | 2| 2| 3| 2| 2| 5| 5| 5| 2| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Hepatocyte, Vacuolization | | | Cytoplasmic, Focal | 1 | 2 1.5| |__________________________________________________________________________|____________| Mesentery | + | 9 | Fat, Necrosis | | 5 2.2| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 57 | Acinus, Atrophy, Diffuse | | 2 4.0| Duct, Cyst | | 1 3.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 59 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 58 | Edema | | 1 3.0| Inflammation, Focal | | 2 2.0| Ulcer | | 1 1.0| Epithelium, Hyperplasia | | 4 1.8| |__________________________________________________________________________|____________| Stomach, Glandular | + + A + + + + + + + | 57 | Ulcer | | 1 1.0| |__________________________________________________________________________|____________| Tooth | + | 4 | Peridontal Tissue, Inflammation, | | | Chronic | 3 | 4 2.3| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | | 2 | Aorta, Mineralization | | 1 3.0| |__________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Infiltration Cellular, Mixed Cell | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE 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 33 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 3| 7| 7| 7| 7| 7| 3| 7| | | DAY ON TEST | 3| 3| 4| 3| 3| 3| 3| 3| 1| 3| | | | 2| 2| 3| 2| 2| 5| 5| 5| 2| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 59 | Cytoplasmic Alteration, Focal | | 1 2.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 57 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 57 | Atrophy, Diffuse | | 1 3.0| |__________________________________________________________________________|____________| Parathyroid Gland | M + M + + + + + + + | 55 | Cyst | 2 | 1 2.0| |__________________________________________________________________________|____________| Pituitary Gland | + + I + + + + + + + | 58 | Pars Distalis, Cyst | | 1 2.0| Pars Distalis, Cytoplasmic | | | Alteration, Focal | | 4 1.3| Pars Distalis, Hyperplasia, Focal | | 1 2.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 59 | Degeneration, Cystic, Focal | 2 1 | 16 1.7| Inflammation, Chronic, Focal | | 1 2.0| Follicle, Cyst | | 1 3.0| Follicular Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + M + + + + | 57 | Degeneration, Cystic | 3 | 4 2.8| Inflammation, Chronic | 3 2 | 2 2.5| Pigmentation | | 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 34 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 3| 7| 7| 7| 7| 7| 3| 7| | | DAY ON TEST | 3| 3| 4| 3| 3| 3| 3| 3| 1| 3| | | | 2| 2| 3| 2| 2| 5| 5| 5| 2| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | Ovary | + + + + + + + + + + | 56 | Angiectasis | 3 | 2 3.0| Cyst | 3 | 16 2.5| Cyst, Multiple | | 2 3.0| Hemorrhage | 3 | 2 3.0| Periovarian Tissue, Cyst | | 1 2.0| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 59 | Angiectasis, Focal | 3 | 1 3.0| Congestion | | 1 3.0| Cyst | | 1 2.0| Hemorrhage | | 1 3.0| Hydrometra | 3 3 3 3 4 | 24 3.1| Inflammation, Suppurative | | 1 3.0| Endometrium, Hyperplasia, Cystic | 2 3 3 3 3 4 3 3 | 51 2.9| |__________________________________________________________________________|____________| Vagina | | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 58 | Myelofibrosis | | 2 3.0| |__________________________________________________________________________|____________| Lymph Node | + | 3 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + | 55 | Hyperplasia, Lymphoid | | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + | 58 | Hyperplasia, Lymphoid | | 2 2.5| Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Spleen | + + A + + + + + + + | 57 | Hematopoietic Cell Proliferation | 2 2 2 3 | 19 2.4| _____________________________________________________________________________________________________________________|____________| * : 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 35 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 3| 7| 7| 7| 7| 7| 3| 7| | | DAY ON TEST | 3| 3| 4| 3| 3| 3| 3| 3| 1| 3| | | | 2| 2| 3| 2| 2| 5| 5| 5| 2| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Hyperplasia, Lymphoid | | 5 2.4| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 56 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 59 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Subcutaneous Tissue, Edema | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Skeletal Muscle | | 3 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Peripheral Nerve | + | 2 | |__________________________________________________________________________|____________| Spinal Cord | + | 2 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Congestion | | 2 2.5| Hemorrhage | | 1 2.0| Hyperplasia, Focal, Histiocytic | 3 | 2 3.5| Hyperplasia, Lymphoid | | 1 2.0| Metaplasia, Osseous | 4 | 1 4.0| Alveolar Epithelium, Hyperplasia | | 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 36 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 3| 7| 7| 7| 7| 7| 3| 7| | | DAY ON TEST | 3| 3| 4| 3| 3| 3| 3| 3| 1| 3| | | | 2| 2| 3| 2| 2| 5| 5| 5| 2| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | |__________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 59 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Harderian Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + A + + + + + + + | 56 | Congestion | 3 | 3 2.3| Hyperplasia, Lymphoid | 2 | 4 2.0| Nephropathy | 1 | 14 1.4| Bilateral, Atrophy, Focal | | 1 3.0| Bilateral, Fibrosis, Focal | | 1 3.0| Bilateral, Inflammation, Chronic, | | | Focal | | 1 3.0| Pelvis, Dilatation | | 1 3.0| Renal Tubule, Accumulation, Hyaline | | | Droplet | 3 | 3 3.0| Renal Tubule, Casts Protein | | 8 1.9| Renal Tubule, Pigmentation | | 1 2.0| |__________________________________________________________________________|____________| Urinary Bladder | + + A + + + + + + + | 54 | __________________________________________________________________________________________________________________________________ * : 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 37 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 0| 1| 3| 3| 3| 9| 3| 1| 3| 3| 1| 3| 2| 3| 3| 3| 3| 3| 3| 6| 3| 3| 0| | 5| 5| 1| 8| 5| 1| 1| 0| 1| 0| 2| 2| 5| 2| 4| 2| 2| 2| 2| 2| 3| 1| 3| 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + A A + + + + M + + + + + + + + + + + + + + + A| |__________________________________________________________________________| Intestine Large, Colon | + + A + + + + + + + + + + + + + + + + + + + + + A| |__________________________________________________________________________| Intestine Large, Rectum | + + + A + + + + + + + + + + + + + + + + + + + + A| |__________________________________________________________________________| Intestine Large, Cecum | M + A A + + + + + + + + + + + + + + + + + M + + A| Edema | | |__________________________________________________________________________| Intestine Small, Duodenum | + + A + + + + + + + + + + + + + + + + + + + + + A| |__________________________________________________________________________| Intestine Small, Jejunum | + + A A + + + + + + + + + + + + + + + + + + + + A| Peyer's Patch, Hyperplasia, Lymphoid | | |__________________________________________________________________________| Intestine Small, Ileum | + + A A + + + + + + + + + + + + + + + + + + + + A| |__________________________________________________________________________| Liver | + + A + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Clear Cell Focus | | Congestion, Focal | 2 | Eosinophilic Focus | X X X | Hyperplasia, Focal, Lymphoid | 2 | Infiltration Cellular, Mixed Cell | 1 1 1 2 1 2 1 1 2 2 1 1 1 1 3 1 | Mixed Cell Focus | 2 | Necrosis | 2 1 | Hepatocyte, Vacuolization | | Cytoplasmic, Focal | 1 | Hepatocyte, Centrilobular, Fatty | | Change | 3 | Hepatocyte, Centrilobular, Necrosis | 3 | |__________________________________________________________________________| Mesentery | + + + | Hemorrhage | | Artery, Inflammation, Chronic | | Fat, Necrosis | 1 1 | __________________________________________|__________________________________________________________________________| Page 38 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 0| 1| 3| 3| 3| 9| 3| 1| 3| 3| 1| 3| 2| 3| 3| 3| 3| 3| 3| 6| 3| 3| 0| | 5| 5| 1| 8| 5| 1| 1| 0| 1| 0| 2| 2| 5| 2| 4| 2| 2| 2| 2| 2| 3| 1| 3| 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | |__________________________________________________________________________| Pancreas | + + A + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy, Diffuse | 2 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + A + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Focal | 1 | Ulcer | | Epithelium, Hyperplasia | 2 1 | |__________________________________________________________________________| Stomach, Glandular | + + A + + + + + + + + + + + + + + + + + + + + + A| Ulcer | 2 | Glands, Degeneration, Cystic, Focal | 1 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + | Aorta, Mineralization | 3 | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + A + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | 1 | Cyst | 3 | |__________________________________________________________________________| Adrenal Medulla | + + A + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | M + + + + + + + + M + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + A + + + + + + + + + + + + + + + + + + + M M +| Pars Distalis, Cytoplasmic | | Alteration, Focal | 2| __________________________________________|__________________________________________________________________________| Page 39 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 0| 1| 3| 3| 3| 9| 3| 1| 3| 3| 1| 3| 2| 3| 3| 3| 3| 3| 3| 6| 3| 3| 0| | 5| 5| 1| 8| 5| 1| 1| 0| 1| 0| 2| 2| 5| 2| 4| 2| 2| 2| 2| 2| 3| 1| 3| 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Pars Distalis, Hyperplasia, Focal | 3 3 | |__________________________________________________________________________| Thyroid Gland | I + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic, Focal | 2 2 3 1 2 1 1| Hyperplasia, Lymphoid | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | + | Abdominal, Cyst | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | | |__________________________________________________________________________| Ovary | + + A + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Cyst | X 3 | Cyst, Multiple | | Hyperplasia, Tubular | | Mineralization | | Interstitial Cell, Hyperplasia | | Periovarian Tissue, Inflammation, | | Chronic | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Atrophy | | Cyst | 3 | Hemorrhage | | Hydrometra | 3 3 3 3 3 4 4 3 3 3| Hyperplasia, Focal, Histiocytic | | Inflammation, Suppurative | 4 | Pigmentation, Focal | | Endometrium, Hyperplasia, Cystic | 3 3 3 3 3 3 3 3 2 3 3 3 2 2 3 3 2 4 3 3 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | __________________________________________|__________________________________________________________________________| Page 40 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 0| 1| 3| 3| 3| 9| 3| 1| 3| 3| 1| 3| 2| 3| 3| 3| 3| 3| 3| 6| 3| 3| 0| | 5| 5| 1| 8| 5| 1| 1| 0| 1| 0| 2| 2| 5| 2| 4| 2| 2| 2| 2| 2| 3| 1| 3| 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage, Focal | | Hyperplasia | 3 | |__________________________________________________________________________| Lymph Node | + + + + + | Iliac, Hemorrhage | 3 | Iliac, Hyperplasia, Lymphoid | 2 | Iliac, Hyperplasia | 3 | Pancreatic, Hyperplasia, Lymphoid | | Renal, Hemorrhage | 3 | Renal, Hyperplasia, Lymphoid | | Renal, Hyperplasia | 3 | |__________________________________________________________________________| Lymph Node, Mandibular | M + + + + + + + + + + + + M + + + + + + + + + + +| Hyperplasia, Lymphoid | | |__________________________________________________________________________| Lymph Node, Mesenteric | + + A + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | Hyperplasia, Lymphoid | | Hyperplasia | 2 | |__________________________________________________________________________| Spleen | + + A + + + + + + + + + + + + + + + + + + + + + +| Congestion | 2 | Hematopoietic Cell Proliferation | 3 2 3 3 3 4 2 2 2 | Hyperplasia, Lymphoid | | Pigmentation, Focal | | |__________________________________________________________________________| Thymus | + + A M + + + + + + + + + + + + + + + + + + + + I| Angiectasis | | Hyperplasia, Lymphoid | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 41 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 0| 1| 3| 3| 3| 9| 3| 1| 3| 3| 1| 3| 2| 3| 3| 3| 3| 3| 3| 6| 3| 3| 0| | 5| 5| 1| 8| 5| 1| 1| 0| 1| 0| 2| 2| 5| 2| 4| 2| 2| 2| 2| 2| 3| 1| 3| 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | Subcutaneous Tissue, Angiectasis, | | Focal | 2 | Subcutaneous Tissue, Edema | 3| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Callus | | |__________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy, Focal | | Compression, Focal | | |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 2 | Edema, Focal | 3 | Hemorrhage | 1 | Hyperplasia, Lymphoid | 2 | |__________________________________________________________________________| Nose | + + A + + + + + + + + + + + + + + + + + + + + + +| Mucosa, Glands, Dilatation, Focal | 2 2 2 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Harderian Gland | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 42 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 0| 1| 3| 3| 3| 9| 3| 1| 3| 3| 1| 3| 2| 3| 3| 3| 3| 3| 3| 6| 3| 3| 0| | 5| 5| 1| 8| 5| 1| 1| 0| 1| 0| 2| 2| 5| 2| 4| 2| 2| 2| 2| 2| 3| 1| 3| 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | Lacrimal Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + A + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Cyst | 2 | Hydronephrosis | | Hyperplasia, Lymphoid | 2 | Infiltration Cellular, Mixed Cell | | Nephropathy | 1 3 1 1 | Renal Tubule, Accumulation, Hyaline | | Droplet | 1 3| Renal Tubule, Casts Protein | | Renal Tubule, Necrosis | 2 | Renal Tubule, Pigmentation | 2 | Renal Tubule, Vacuolization | | Cytoplasmic | | |__________________________________________________________________________| Urinary Bladder | + + M + M + + + + + + + + + + + + + + + + + + + +| Transitional Epithelium, Hyperplasia,| | Focal | | __________________________________________|__________________________________________________________________________ Page 43 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| | 3| 3| 3| 3| 3| 1| 1| 1| 1| 1| 3| 3| 3| 3| 3| 2| 9| 2| 2| 2| 1| 1| 1| 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| B6C3F1 MICE 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + M + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + + + + + + A + + + + + + A + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + A + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + A + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + A + + + + + + + +| Edema | | |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + A + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + A + + + + + + + +| Peyer's Patch, Hyperplasia, Lymphoid | 3 | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + A + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Clear Cell Focus | X X | Congestion, Focal | | Eosinophilic Focus | X | Hyperplasia, Focal, Lymphoid | 2 | Infiltration Cellular, Mixed Cell | 1 1 1 1 1 1 1 2 1 1 1 1 2 1 1 | Mixed Cell Focus | | Necrosis | | Hepatocyte, Vacuolization | | Cytoplasmic, Focal | | Hepatocyte, Centrilobular, Fatty | | Change | 3 | Hepatocyte, Centrilobular, Necrosis | | |__________________________________________________________________________| Mesentery | + + + | Hemorrhage | | Artery, Inflammation, Chronic | 1 | Fat, Necrosis | 2 | __________________________________________|__________________________________________________________________________| Page 44 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| | 3| 3| 3| 3| 3| 1| 1| 1| 1| 1| 3| 3| 3| 3| 3| 2| 9| 2| 2| 2| 1| 1| 1| 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| B6C3F1 MICE 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + A + + + + + + + +| Acinus, Atrophy, Diffuse | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + M + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + A + + + + + + + +| Inflammation, Focal | | Ulcer | | Epithelium, Hyperplasia | 2 2 2 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + A + + + + + + + +| Ulcer | | Glands, Degeneration, Cystic, Focal | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | | Aorta, Mineralization | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + M + + + + + + + +| Infiltration Cellular, Mixed Cell | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | | Cyst | 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + M + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | M M + + + + + + + + + + + + + + M M + + + + + + +| Pars Distalis, Cytoplasmic | | Alteration, Focal | 2 2 | __________________________________________|__________________________________________________________________________| Page 45 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| | 3| 3| 3| 3| 3| 1| 1| 1| 1| 1| 3| 3| 3| 3| 3| 2| 9| 2| 2| 2| 1| 1| 1| 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| B6C3F1 MICE 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Pars Distalis, Hyperplasia, Focal | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + M + + + + + + + +| Degeneration, Cystic, Focal | 1 2 1 1 2 1| Hyperplasia, Lymphoid | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | + + | Abdominal, Cyst | 3 | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + I + M + + + + + + + M + + + + + + + +| Degeneration, Cystic | 3 2 3 | |__________________________________________________________________________| Ovary | + + + + + + M + + + + + + + + + + + + + + + M + +| Angiectasis | | Cyst | 2 2 3 3 3 2 3 | Cyst, Multiple | 3 | Hyperplasia, Tubular | 3 | Mineralization | | Interstitial Cell, Hyperplasia | 3 | Periovarian Tissue, Inflammation, | | Chronic | 3 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 | Atrophy | 3 | Cyst | 3 2 | Hemorrhage | 3 | Hydrometra | 3 3 3 3 2 3 3 3 3| Hyperplasia, Focal, Histiocytic | 3 | Inflammation, Suppurative | | Pigmentation, Focal | 3 | Endometrium, Hyperplasia, Cystic | 3 3 3 3 3 3 2 3 3 3 3 2 3 3 3 2 3 3 3 3 3 3 3| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | __________________________________________|__________________________________________________________________________| Page 46 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| | 3| 3| 3| 3| 3| 1| 1| 1| 1| 1| 3| 3| 3| 3| 3| 2| 9| 2| 2| 2| 1| 1| 1| 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| B6C3F1 MICE 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage, Focal | 3 | Hyperplasia | | |__________________________________________________________________________| Lymph Node | + + | Iliac, Hemorrhage | | Iliac, Hyperplasia, Lymphoid | | Iliac, Hyperplasia | | Pancreatic, Hyperplasia, Lymphoid | | Renal, Hemorrhage | | Renal, Hyperplasia, Lymphoid | | Renal, Hyperplasia | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + I + M + + + + + + + +| Hyperplasia, Lymphoid | | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + I + + + + + + + A + + + + + + + +| Hemorrhage | | Hyperplasia, Lymphoid | | Hyperplasia | 2 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + A + + + + + + + +| Congestion | | Hematopoietic Cell Proliferation | 3 3 2 2 2 2 2| Hyperplasia, Lymphoid | 2 2 | Pigmentation, Focal | 2 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + M + + + + + + + +| Angiectasis | 2 | Hyperplasia, Lymphoid | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 2 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 47 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| | 3| 3| 3| 3| 3| 1| 1| 1| 1| 1| 3| 3| 3| 3| 3| 2| 9| 2| 2| 2| 1| 1| 1| 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| B6C3F1 MICE 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | Subcutaneous Tissue, Angiectasis, | | Focal | | Subcutaneous Tissue, Edema | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Callus | 2 | |__________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + M + + + + + + + +| Atrophy, Focal | 4 | Compression, Focal | 2 | |__________________________________________________________________________| Peripheral Nerve | | |__________________________________________________________________________| Spinal Cord | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + M + + + + + + + +| Congestion | | Edema, Focal | | Hemorrhage | | Hyperplasia, Lymphoid | 2 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Mucosa, Glands, Dilatation, Focal | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + M + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Harderian Gland | + | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 48 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| | 3| 3| 3| 3| 3| 1| 1| 1| 1| 1| 3| 3| 3| 3| 3| 2| 9| 2| 2| 2| 1| 1| 1| 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| B6C3F1 MICE 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | Lacrimal Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + A + + + + + + + +| Congestion | 2 2 | Cyst | 2 | Hydronephrosis | 3 | Hyperplasia, Lymphoid | | Infiltration Cellular, Mixed Cell | 2 | Nephropathy | 3 4 1 1 1| Renal Tubule, Accumulation, Hyaline | | Droplet | | Renal Tubule, Casts Protein | 2 2 2 2 | Renal Tubule, Necrosis | | Renal Tubule, Pigmentation | 2 2 | Renal Tubule, Vacuolization | | Cytoplasmic | 3 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + M + + + + + + + +| Transitional Epithelium, Hyperplasia,| | Focal | 2 | __________________________________________|__________________________________________________________________________ Page 49 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 6| 6| | | DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 7| 7| | | | 2| 2| 3| 2| 2| 5| 5| 5| 2| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 2500 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 59 | |__________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + | 54 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 57 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + | 57 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 54 | Edema | 3 | 1 3.0| |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + | 57 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + | 56 | Peyer's Patch, Hyperplasia, Lymphoid | | 1 3.0| |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + | 56 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 59 | Basophilic Focus | | 2 | Clear Cell Focus | | 2 | Congestion, Focal | | 1 2.0| Eosinophilic Focus | X X | 6 | Hyperplasia, Focal, Lymphoid | | 2 2.0| Infiltration Cellular, Mixed Cell | 1 1 1 2 1 1 | 37 1.2| Mixed Cell Focus | | 1 2.0| Necrosis | | 2 1.5| Hepatocyte, Vacuolization | | | Cytoplasmic, Focal | 2 | 2 1.5| Hepatocyte, Centrilobular, Fatty | | | Change | | 2 3.0| Hepatocyte, Centrilobular, Necrosis | | 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 50 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 6| 6| | | DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 7| 7| | | | 2| 2| 3| 2| 2| 5| 5| 5| 2| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 2500 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Mesentery | + + + | 9 | Hemorrhage | 2 | 1 2.0| Artery, Inflammation, Chronic | | 1 1.0| Fat, Necrosis | 1 | 4 1.3| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 58 | Acinus, Atrophy, Diffuse | | 1 2.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + M + | 58 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 58 | Inflammation, Focal | | 1 1.0| Ulcer | 1 | 1 1.0| Epithelium, Hyperplasia | 2 | 6 1.8| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 57 | Ulcer | 2 | 2 2.0| Glands, Degeneration, Cystic, Focal | | 2 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | | 1 | Aorta, Mineralization | | 1 3.0| |__________________________________________________________________________|____________| Heart | + + + + + + + + + + | 59 | Infiltration Cellular, Mixed Cell | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + M + | 58 | Accessory Adrenal Cortical Nodule | | 1 1.0| Cyst | | 2 2.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + M + | 58 | _____________________________________________________________________________________________________________________|____________| * : 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 51 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 6| 6| | | DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 7| 7| | | | 2| 2| 3| 2| 2| 5| 5| 5| 2| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 2500 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + | 57 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + | 53 | Pars Distalis, Cytoplasmic | | | Alteration, Focal | | 3 2.0| Pars Distalis, Hyperplasia, Focal | | 2 3.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 58 | Degeneration, Cystic, Focal | 1 2 1 | 16 1.5| Hyperplasia, Lymphoid | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Tissue NOS | | 3 | Abdominal, Cyst | | 1 3.0| _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + | 57 | Degeneration, Cystic | 3 3 | 5 2.8| |__________________________________________________________________________|____________| Ovary | + M + + + + + + + + | 56 | Angiectasis | 2 | 1 2.0| Cyst | 2 2 2 | 12 2.5| Cyst, Multiple | | 1 3.0| Hyperplasia, Tubular | | 1 3.0| Mineralization | 2 | 1 2.0| Interstitial Cell, Hyperplasia | 3 | 2 3.0| Periovarian Tissue, Inflammation, | | | Chronic | | 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 52 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 6| 6| | | DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 7| 7| | | | 2| 2| 3| 2| 2| 5| 5| 5| 2| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 2500 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | Uterus | + + + + + + + + + + | 60 | Angiectasis | 2 | 2 2.5| Atrophy | | 1 3.0| Cyst | | 3 2.7| Hemorrhage | | 1 3.0| Hydrometra | 3 3 3 | 22 3.0| Hyperplasia, Focal, Histiocytic | | 1 3.0| Inflammation, Suppurative | | 1 4.0| Pigmentation, Focal | | 1 3.0| Endometrium, Hyperplasia, Cystic | 3 4 2 3 3 3 3 3 2 | 53 2.9| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Hemorrhage, Focal | | 1 3.0| Hyperplasia | 3 | 2 3.0| |__________________________________________________________________________|____________| Lymph Node | + + + | 10 | Iliac, Hemorrhage | | 1 3.0| Iliac, Hyperplasia, Lymphoid | 3 | 2 2.5| Iliac, Hyperplasia | | 1 3.0| Pancreatic, Hyperplasia, Lymphoid | 3 | 1 3.0| Renal, Hemorrhage | | 1 3.0| Renal, Hyperplasia, Lymphoid | 3 | 1 3.0| Renal, Hyperplasia | 3 | 2 3.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + M + | 55 | Hyperplasia, Lymphoid | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + | 57 | Hemorrhage | | 1 3.0| Hyperplasia, Lymphoid | 3 3 | 2 3.0| Hyperplasia | | 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 53 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 6| 6| | | DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 7| 7| | | | 2| 2| 3| 2| 2| 5| 5| 5| 2| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 2500 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Spleen | + + + + + + + + + + | 58 | Congestion | 3 | 2 2.5| Hematopoietic Cell Proliferation | 2 3 2 3 2 | 21 2.5| Hyperplasia, Lymphoid | 2 2 | 4 2.0| Pigmentation, Focal | | 1 2.0| |__________________________________________________________________________|____________| Thymus | + + M + + + + + + + | 55 | Angiectasis | | 1 2.0| Hyperplasia, Lymphoid | 3 | 2 2.5| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 60 | Ectasia | | 1 2.0| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Subcutaneous Tissue, Angiectasis, | | | Focal | | 1 2.0| Subcutaneous Tissue, Edema | | 2 2.5| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | Callus | | 1 2.0| |__________________________________________________________________________|____________| Skeletal Muscle | + + | 3 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + | 59 | Atrophy, Focal | | 1 4.0| Compression, Focal | | 1 2.0| |__________________________________________________________________________|____________| Peripheral Nerve | + | 2 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 54 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 6| 6| | | DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 7| 7| | | | 2| 2| 3| 2| 2| 5| 5| 5| 2| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 2500 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| NERVOUS SYSTEM - cont | | | |__________________________________________________________________________|____________| Spinal Cord | + | 2 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 59 | Congestion | | 1 2.0| Edema, Focal | | 1 3.0| Hemorrhage | | 1 1.0| Hyperplasia, Lymphoid | | 2 2.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + | 59 | Mucosa, Glands, Dilatation, Focal | | 3 2.0| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 59 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Harderian Gland | + + + | 4 | |__________________________________________________________________________|____________| Lacrimal Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 58 | Congestion | 2 | 3 2.0| Cyst | | 2 2.0| Hydronephrosis | | 1 3.0| Hyperplasia, Lymphoid | | 1 2.0| Infiltration Cellular, Mixed Cell | | 1 2.0| Nephropathy | 2 | 10 1.8| Renal Tubule, Accumulation, Hyaline | | | Droplet | | 2 2.0| Renal Tubule, Casts Protein | 2 2 2 | 7 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 55 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 6| 6| | | DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 7| 7| | | | 2| 2| 3| 2| 2| 5| 5| 5| 2| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 2500 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM - cont | | | Renal Tubule, Necrosis | | 1 2.0| Renal Tubule, Pigmentation | | 3 2.0| Renal Tubule, Vacuolization | | | Cytoplasmic | | 1 3.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 57 | Transitional Epithelium, Hyperplasia,| | | Focal | | 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 56 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 6| 5| 6| 5| 4| 5| 5| 5| 5| 4| 6| 6| 5| 6| 5| 7| 6| 6| 6| 4| 7| 6| 5| 6| DAY ON TEST | 0| 5| 8| 4| 8| 8| 9| 8| 6| 7| 0| 7| 3| 8| 6| 0| 2| 4| 0| 9| 4| 0| 1| 2| 8| | 9| 9| 1| 0| 8| 8| 0| 3| 7| 5| 3| 1| 0| 3| 8| 7| 5| 7| 8| 6| 4| 2| 0| 2| 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| B6C3F1 MICE 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + M + + + + +| |__________________________________________________________________________| Gallbladder | + A A A + A + + + A + A A + A A + A A M + A + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + A + + + + + A + + A + + A + + A A + A + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + A + + + + + A + + A A + A + + +| |__________________________________________________________________________| Intestine Large, Cecum | + A + A + A + + + A + A A + A A + A A A + A + + +| Inflammation, Chronic | | |__________________________________________________________________________| Intestine Small, Duodenum | + A + A + + + + + A + + A + A A + A A A + A + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + A + A + A + + + A + + A + A A + A A A + A + + +| |__________________________________________________________________________| Intestine Small, Ileum | + A + A + A + + + A + + A + A A + A A A + A + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 | Basophilic Focus | X X X X X| Clear Cell Focus | X | Eosinophilic Focus | X X X X X X X X| Hyperplasia, Focal, Lymphoid | 3 | Infiltration Cellular, Mixed Cell | 2 3 3 2 2 3 2 3 1 2 3 3 2 3 3 3 2 3 3| Inflammation, Focal | 3 | Mixed Cell Focus | | Necrosis | 2 2 3 2 3 3 4 | Hepatocyte, Necrosis, Focal | 1 | Hepatocyte, Tension Lipidosis | X | Hepatocyte, Vacuolization | | Cytoplasmic, Focal | 2 1| Hepatocyte, Periportal, Depletion | | Glycogen | 3 | Oval Cell, Hyperplasia | 3 2 1 2 | |__________________________________________________________________________| Mesentery | + + + + + + + + + + + + + + | Inflammation, Chronic | 2 2 | __________________________________________|__________________________________________________________________________| Page 57 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 6| 5| 6| 5| 4| 5| 5| 5| 5| 4| 6| 6| 5| 6| 5| 7| 6| 6| 6| 4| 7| 6| 5| 6| DAY ON TEST | 0| 5| 8| 4| 8| 8| 9| 8| 6| 7| 0| 7| 3| 8| 6| 0| 2| 4| 0| 9| 4| 0| 1| 2| 8| | 9| 9| 1| 0| 8| 8| 0| 3| 7| 5| 3| 1| 0| 3| 8| 7| 5| 7| 8| 6| 4| 2| 0| 2| 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| B6C3F1 MICE 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy, Diffuse | 4 | Acinus, Atrophy, Focal | 2 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + M + + + + M M M + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Hyperplasia | | |__________________________________________________________________________| Stomach, Glandular | + + + + + A + + + + + + + + + A + + + A + + + + +| Inflammation, Focal | 1 | Ulcer | 3 | |__________________________________________________________________________| Tooth | + | Peridontal Tissue, Inflammation, | | Chronic | 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + M + + + + +| Angiectasis | | Inflammation, Chronic, Focal | 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + M + + + + + M M + + + + +| Cyst | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 58 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 6| 5| 6| 5| 4| 5| 5| 5| 5| 4| 6| 6| 5| 6| 5| 7| 6| 6| 6| 4| 7| 6| 5| 6| DAY ON TEST | 0| 5| 8| 4| 8| 8| 9| 8| 6| 7| 0| 7| 3| 8| 6| 0| 2| 4| 0| 9| 4| 0| 1| 2| 8| | 9| 9| 1| 0| 8| 8| 0| 3| 7| 5| 3| 1| 0| 3| 8| 7| 5| 7| 8| 6| 4| 2| 0| 2| 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| B6C3F1 MICE 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Pituitary Gland | + + + + + + + + + + + M + + + + + + + + + + + M +| |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + M M + + + + +| Degeneration, Cystic, Focal | 2 2 1 2 2| Follicle, Cyst | 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | + + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + I + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 3 | Pigmentation | 2 | |__________________________________________________________________________| Ovary | + + M + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 3 3 3 | Hemorrhage | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Hemorrhage | 3 | Hydrometra | 3 3 3| Inflammation, Suppurative | 3 4 | Endometrium, Hyperplasia, Cystic | 3 2 2 2 3 3 2 3 3 4 2 2 3 3 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 | |__________________________________________________________________________| Lymph Node | + + + + + | Iliac, Hematopoietic Cell | | Proliferation | | Inguinal, Hyperplasia | 4 | Mediastinal, Hematopoietic Cell | | Proliferation | 2 | __________________________________________|__________________________________________________________________________| Page 59 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 6| 5| 6| 5| 4| 5| 5| 5| 5| 4| 6| 6| 5| 6| 5| 7| 6| 6| 6| 4| 7| 6| 5| 6| DAY ON TEST | 0| 5| 8| 4| 8| 8| 9| 8| 6| 7| 0| 7| 3| 8| 6| 0| 2| 4| 0| 9| 4| 0| 1| 2| 8| | 9| 9| 1| 0| 8| 8| 0| 3| 7| 5| 3| 1| 0| 3| 8| 7| 5| 7| 8| 6| 4| 2| 0| 2| 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| B6C3F1 MICE 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Mediastinal, Hemorrhage | 2 3 | Mediastinal, Hyperplasia, Lymphoid | | Mediastinal, Hyperplasia | 3 | Renal, Hyperplasia | 3 | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + M + + M M + + + M M A + + + + +| Hyperplasia, Lymphoid | | Hyperplasia | 3 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | Hyperplasia, Lymphoid | 3| Hyperplasia | 1 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Cellular | | Hematopoietic Cell Proliferation | 4 4 4 3 4 3 3 4 4 3 4 4 4 3 3 3 4 3 4 4 4 4 4 4| Hyperplasia, Lymphoid | | |__________________________________________________________________________| Thymus | + + M M M + + + + + + + + + + M + M M M + + + + +| Angiectasis | | Atrophy | 3 | Hyperplasia, Lymphoid | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Edema | 3 3 | Subcutaneous Tissue, Inflammation, | | Chronic, Focal | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 3 | Hyperostosis | 3 3 | __________________________________________|__________________________________________________________________________| Page 60 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 6| 5| 6| 5| 4| 5| 5| 5| 5| 4| 6| 6| 5| 6| 5| 7| 6| 6| 6| 4| 7| 6| 5| 6| DAY ON TEST | 0| 5| 8| 4| 8| 8| 9| 8| 6| 7| 0| 7| 3| 8| 6| 0| 2| 4| 0| 9| 4| 0| 1| 2| 8| | 9| 9| 1| 0| 8| 8| 0| 3| 7| 5| 3| 1| 0| 3| 8| 7| 5| 7| 8| 6| 4| 2| 0| 2| 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| B6C3F1 MICE 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | Femur, Callus | | |__________________________________________________________________________| Skeletal Muscle | + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + M + M + + + + +| Congestion | | Hemorrhage | 3 | Hyperplasia, Lymphoid | | Infiltration Cellular, Mixed Cell | 1 3 | Artery, Mediastinum, Inflammation, | | Chronic | | Bronchus, Glands, Cyst | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + M + + + + + +| Hemorrhage | 3 | Mucosa, Glands, Dilatation, Focal | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + M M + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Cyst | 2 | __________________________________________|__________________________________________________________________________| Page 61 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 6| 5| 6| 5| 4| 5| 5| 5| 5| 4| 6| 6| 5| 6| 5| 7| 6| 6| 6| 4| 7| 6| 5| 6| DAY ON TEST | 0| 5| 8| 4| 8| 8| 9| 8| 6| 7| 0| 7| 3| 8| 6| 0| 2| 4| 0| 9| 4| 0| 1| 2| 8| | 9| 9| 1| 0| 8| 8| 0| 3| 7| 5| 3| 1| 0| 3| 8| 7| 5| 7| 8| 6| 4| 2| 0| 2| 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| B6C3F1 MICE 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Inflammation, Suppurative | 3 | Mineralization, Focal | | Nephropathy | 1 1 1 2 3 2 | Pigmentation | 3 | Artery, Inflammation, Chronic | 2 | Pelvis, Dilatation | | Pelvis, Hemorrhage | | Renal Tubule, Accumulation, Hyaline | | Droplet | 2 3 2 3 | Renal Tubule, Casts Protein | 2 2 2 2 2 | Renal Tubule, Dilatation | 2 | Renal Tubule, Pigmentation | 2 3 3 3 3 3 2 2 3 3 3 3 2 4 3| |__________________________________________________________________________| Urinary Bladder | + + + + I A + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 62 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 4| 6| 5| 6| 6| 5| 6| 6| 6| 7| 7| 5| 7| 6| 5| 5| 6| 4| 6| 6| 6| DAY ON TEST | 2| 7| 6| 8| 4| 6| 9| 2| 7| 6| 5| 2| 6| 1| 1| 1| 2| 9| 4| 6| 9| 0| 7| 1| 8| | 9| 5| 1| 5| 4| 9| 7| 9| 9| 7| 8| 4| 1| 0| 0| 6| 2| 0| 8| 9| 3| 9| 7| 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| B6C3F1 MICE 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + M A + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + A + A + A A A + M A A A + + A A + + + + + A + M| |__________________________________________________________________________| Intestine Large, Colon | + A + A + + A A + A A + + + + + A + + + + + A + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + A + + A A + A A + + + + + A + + + + + A + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + A + A A A + A A A A + + + A + A + + + A + +| Inflammation, Chronic | 3 | |__________________________________________________________________________| Intestine Small, Duodenum | + A + A + A A A + A A A + + + + A + A + + + A + +| |__________________________________________________________________________| Intestine Small, Jejunum | + A + A + A A A + A A A + + + + A + + + + + A + +| |__________________________________________________________________________| Intestine Small, Ileum | + A + A + A A A A A A A + + + + A + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 | Basophilic Focus | X | Clear Cell Focus | X | Eosinophilic Focus | X X X X X X X X X X X X X X X X | Hyperplasia, Focal, Lymphoid | | Infiltration Cellular, Mixed Cell | 3 2 3 3 2 2 1 3 2 3 2 2 3 3 1 3 2| Inflammation, Focal | | Mixed Cell Focus | X X X | Necrosis | 1 2 1 3 1 1 | Hepatocyte, Necrosis, Focal | 2 2 1 | Hepatocyte, Tension Lipidosis | | Hepatocyte, Vacuolization | | Cytoplasmic, Focal | 1 2 1 2 | Hepatocyte, Periportal, Depletion | | Glycogen | | Oval Cell, Hyperplasia | | |__________________________________________________________________________| Mesentery | + + + + + + + + + + + | Inflammation, Chronic | | __________________________________________|__________________________________________________________________________| Page 63 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 4| 6| 5| 6| 6| 5| 6| 6| 6| 7| 7| 5| 7| 6| 5| 5| 6| 4| 6| 6| 6| DAY ON TEST | 2| 7| 6| 8| 4| 6| 9| 2| 7| 6| 5| 2| 6| 1| 1| 1| 2| 9| 4| 6| 9| 0| 7| 1| 8| | 9| 5| 1| 5| 4| 9| 7| 9| 9| 7| 8| 4| 1| 0| 0| 6| 2| 0| 8| 9| 3| 9| 7| 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| B6C3F1 MICE 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | |__________________________________________________________________________| Pancreas | + + + + + + + + + A A + + + + + + + + + + + + + +| Acinus, Atrophy, Diffuse | | Acinus, Atrophy, Focal | | |__________________________________________________________________________| Salivary Glands | + + + + + M M M + M M + + + + + + + + + + + M + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Hyperplasia | 2 | |__________________________________________________________________________| Stomach, Glandular | + A + + + + + + + A A + + + + + + + + + + + A + +| Inflammation, Focal | 2 | Ulcer | | |__________________________________________________________________________| Tooth | + | Peridontal Tissue, Inflammation, | | Chronic | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + | |__________________________________________________________________________| Heart | + + + + + + + + + + M + + + + + + + + + + + + + +| Angiectasis | | Inflammation, Chronic, Focal | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | | |__________________________________________________________________________| Adrenal Medulla | + M + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + A A A + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + M + M M M M + + + M + + + + + + + + +| Cyst | 3 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 64 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 4| 6| 5| 6| 6| 5| 6| 6| 6| 7| 7| 5| 7| 6| 5| 5| 6| 4| 6| 6| 6| DAY ON TEST | 2| 7| 6| 8| 4| 6| 9| 2| 7| 6| 5| 2| 6| 1| 1| 1| 2| 9| 4| 6| 9| 0| 7| 1| 8| | 9| 5| 1| 5| 4| 9| 7| 9| 9| 7| 8| 4| 1| 0| 0| 6| 2| 0| 8| 9| 3| 9| 7| 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| B6C3F1 MICE 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Pituitary Gland | + + + + + + M + + M M + I + + + + + + + + + + + +| |__________________________________________________________________________| Thyroid Gland | + + + + + A + + + M M + + + + M + + + + + + + + +| Degeneration, Cystic, Focal | 2 2 1 2 2 1 | Follicle, Cyst | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + M + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 3 | Pigmentation | | |__________________________________________________________________________| Ovary | + + + + + + + M + + + + + + + + + + + + + + A + +| Cyst | 3 2 2 3 | Hemorrhage | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hemorrhage | | Hydrometra | 3 3 3 4| Inflammation, Suppurative | | Endometrium, Hyperplasia, Cystic | 2 2 2 2 2 3 3 1 3 3 3 3 3 2 2 3| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 | |__________________________________________________________________________| Lymph Node | + + + + | Iliac, Hematopoietic Cell | | Proliferation | | Inguinal, Hyperplasia | | Mediastinal, Hematopoietic Cell | | Proliferation | | __________________________________________|__________________________________________________________________________| Page 65 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 4| 6| 5| 6| 6| 5| 6| 6| 6| 7| 7| 5| 7| 6| 5| 5| 6| 4| 6| 6| 6| DAY ON TEST | 2| 7| 6| 8| 4| 6| 9| 2| 7| 6| 5| 2| 6| 1| 1| 1| 2| 9| 4| 6| 9| 0| 7| 1| 8| | 9| 5| 1| 5| 4| 9| 7| 9| 9| 7| 8| 4| 1| 0| 0| 6| 2| 0| 8| 9| 3| 9| 7| 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| B6C3F1 MICE 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Mediastinal, Hemorrhage | 3 | Mediastinal, Hyperplasia, Lymphoid | 3 3 | Mediastinal, Hyperplasia | | Renal, Hyperplasia | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + M M + + M M + + + + + + + + + + + M + +| Hyperplasia, Lymphoid | 3 | Hyperplasia | | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + A M + + + + + + + + + + + + + +| Hemorrhage | | Hyperplasia, Lymphoid | 2 | Hyperplasia | 3 3 | |__________________________________________________________________________| Spleen | + + + + + + + + + A + + + + + + + + + + + + M + +| Depletion Cellular | 2 | Hematopoietic Cell Proliferation | 3 4 4 4 3 4 3 4 3 2 4 3 3 3 4 3 4 3 4 4 4| Hyperplasia, Lymphoid | 2 | |__________________________________________________________________________| Thymus | + + + M + + I + + A M + + + + I I + + + + + M + +| Angiectasis | 2 | Atrophy | | Hyperplasia, Lymphoid | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + A + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Edema | 3 2 | Subcutaneous Tissue, Inflammation, | | Chronic, Focal | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | | Hyperostosis | | __________________________________________|__________________________________________________________________________| Page 66 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 4| 6| 5| 6| 6| 5| 6| 6| 6| 7| 7| 5| 7| 6| 5| 5| 6| 4| 6| 6| 6| DAY ON TEST | 2| 7| 6| 8| 4| 6| 9| 2| 7| 6| 5| 2| 6| 1| 1| 1| 2| 9| 4| 6| 9| 0| 7| 1| 8| | 9| 5| 1| 5| 4| 9| 7| 9| 9| 7| 8| 4| 1| 0| 0| 6| 2| 0| 8| 9| 3| 9| 7| 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| B6C3F1 MICE 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | Femur, Callus | 3 | |__________________________________________________________________________| Skeletal Muscle | + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + M M + + + + + + + + + + + + + +| |__________________________________________________________________________| Peripheral Nerve | + + | |__________________________________________________________________________| Spinal Cord | + + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + M + + + + + + + + + + + + + +| Congestion | 2 | Hemorrhage | 1 | Hyperplasia, Lymphoid | 2 | Infiltration Cellular, Mixed Cell | 3 3 2 3 2 | Artery, Mediastinum, Inflammation, | | Chronic | 3 | Bronchus, Glands, Cyst | 2 | |__________________________________________________________________________| Nose | + + + + + + + + + M M + + + + + + + + + + + + + +| Hemorrhage | | Mucosa, Glands, Dilatation, Focal | | |__________________________________________________________________________| Trachea | + + + + + + + + + M M + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 1 | Cyst | | __________________________________________|__________________________________________________________________________| Page 67 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 4| 6| 5| 6| 6| 5| 6| 6| 6| 7| 7| 5| 7| 6| 5| 5| 6| 4| 6| 6| 6| DAY ON TEST | 2| 7| 6| 8| 4| 6| 9| 2| 7| 6| 5| 2| 6| 1| 1| 1| 2| 9| 4| 6| 9| 0| 7| 1| 8| | 9| 5| 1| 5| 4| 9| 7| 9| 9| 7| 8| 4| 1| 0| 0| 6| 2| 0| 8| 9| 3| 9| 7| 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| B6C3F1 MICE 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Inflammation, Suppurative | | Mineralization, Focal | 3 | Nephropathy | 1 3 2 2 1| Pigmentation | | Artery, Inflammation, Chronic | | Pelvis, Dilatation | 3 | Pelvis, Hemorrhage | 3 | Renal Tubule, Accumulation, Hyaline | | Droplet | 2 2 2 2 3 2 | Renal Tubule, Casts Protein | 2 | Renal Tubule, Dilatation | | Renal Tubule, Pigmentation | 2 3 3 3 3 3 3 3 3 3 4 3 3 3 3 3| |__________________________________________________________________________| Urinary Bladder | + + + + + + + M + A + + + + + + + + + + + + M + +| __________________________________________|__________________________________________________________________________ Page 68 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 5| 7| 7| 7| 6| 6| 6| | | DAY ON TEST | 0| 8| 2| 7| 2| 2| 2| 4| 9| 1| | | | 5| 6| 9| 9| 9| 9| 9| 3| 0| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 5000 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 57 | |__________________________________________________________________________|____________| Gallbladder | + A + A + + + A + + | 31 | |__________________________________________________________________________|____________| Intestine Large, Colon | + A + A + + + A + A | 41 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + A + + + + + A + + | 46 | |__________________________________________________________________________|____________| Intestine Large, Cecum | A A + A + + + A + A | 32 | Inflammation, Chronic | | 1 3.0| |__________________________________________________________________________|____________| Intestine Small, Duodenum | A A + A + + + A + A | 34 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | A A + A + + + A + A | 34 | |__________________________________________________________________________|____________| Intestine Small, Ileum | A A + A + + + A + A | 34 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Angiectasis | | 3 2.3| Basophilic Focus | | 6 | Clear Cell Focus | X X | 4 | Eosinophilic Focus | X X X X | 28 | Hyperplasia, Focal, Lymphoid | | 1 3.0| Infiltration Cellular, Mixed Cell | 2 2 1 2 1 2 2 | 43 2.3| Inflammation, Focal | | 1 3.0| Mixed Cell Focus | | 3 | Necrosis | | 13 2.2| Hepatocyte, Necrosis, Focal | 2 1 | 6 1.5| Hepatocyte, Tension Lipidosis | | 1 | Hepatocyte, Vacuolization | | | Cytoplasmic, Focal | 1 1 2 | 9 1.4| Hepatocyte, Periportal, Depletion | | | Glycogen | | 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 69 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 5| 7| 7| 7| 6| 6| 6| | | DAY ON TEST | 0| 8| 2| 7| 2| 2| 2| 4| 9| 1| | | | 5| 6| 9| 9| 9| 9| 9| 3| 0| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 5000 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Oval Cell, Hyperplasia | | 4 2.0| |__________________________________________________________________________|____________| Mesentery | + + + + + + + + + | 34 | Inflammation, Chronic | | 2 2.0| |__________________________________________________________________________|____________| Pancreas | + M + + + + + + + + | 57 | Acinus, Atrophy, Diffuse | | 1 4.0| Acinus, Atrophy, Focal | | 1 2.0| |__________________________________________________________________________|____________| Salivary Glands | + + + M + + + + + + | 49 | |__________________________________________________________________________|____________| Stomach, Forestomach | + A + + + + + + + + | 59 | Epithelium, Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Stomach, Glandular | + A + + + + + + + + | 52 | Inflammation, Focal | | 2 1.5| Ulcer | | 1 3.0| |__________________________________________________________________________|____________| Tooth | | 2 | Peridontal Tissue, Inflammation, | | | Chronic | | 2 1.5| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | | 1 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + | 58 | Angiectasis | 2 | 1 2.0| Inflammation, Chronic, Focal | 1 | 2 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 60 | Hyperplasia, Focal | | 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 70 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 5| 7| 7| 7| 6| 6| 6| | | DAY ON TEST | 0| 8| 2| 7| 2| 2| 2| 4| 9| 1| | | | 5| 6| 9| 9| 9| 9| 9| 3| 0| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 5000 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 59 | |__________________________________________________________________________|____________| Islets, Pancreatic | + M + + + + + + + + | 56 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + M + + + + | 50 | Cyst | | 1 3.0| |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + M | 53 | |__________________________________________________________________________|____________| Thyroid Gland | + + + M + + + + + + | 53 | Degeneration, Cystic, Focal | 1 2 | 13 1.7| Follicle, Cyst | | 2 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Tissue NOS | | 3 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + | 58 | Degeneration, Cystic | | 2 3.0| Pigmentation | | 1 2.0| |__________________________________________________________________________|____________| Ovary | + M + + + + + + + + | 56 | Cyst | 2 2 3 | 11 2.6| Hemorrhage | 3 | 1 3.0| |__________________________________________________________________________|____________| Uterus | + A + + + + + + + + | 59 | Angiectasis | | 1 2.0| Hemorrhage | | 1 3.0| Hydrometra | 3 3 3 3 3 3 3 3 | 15 3.1| Inflammation, Suppurative | | 2 3.5| Endometrium, Hyperplasia, Cystic | 3 3 3 3 3 3 | 37 2.6| _____________________________________________________________________________________________________________________|____________| * : 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 71 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 5| 7| 7| 7| 6| 6| 6| | | DAY ON TEST | 0| 8| 2| 7| 2| 2| 2| 4| 9| 1| | | | 5| 6| 9| 9| 9| 9| 9| 3| 0| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 5000 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Hyperplasia | | 2 3.0| |__________________________________________________________________________|____________| Lymph Node | + + | 11 | Iliac, Hematopoietic Cell | | | Proliferation | 3 | 1 3.0| Inguinal, Hyperplasia | | 1 4.0| Mediastinal, Hematopoietic Cell | | | Proliferation | | 1 2.0| Mediastinal, Hemorrhage | | 3 2.7| Mediastinal, Hyperplasia, Lymphoid | | 2 3.0| Mediastinal, Hyperplasia | | 1 3.0| Renal, Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + M + + + + + + | 48 | Hyperplasia, Lymphoid | | 1 3.0| Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + A + + + + + + + + | 57 | Hemorrhage | | 1 3.0| Hyperplasia, Lymphoid | | 2 2.5| Hyperplasia | 3 | 4 2.5| |__________________________________________________________________________|____________| Spleen | + A + + + + + + + + | 57 | Depletion Cellular | | 1 2.0| Hematopoietic Cell Proliferation | 4 3 4 3 3 3 4 3 3 | 54 3.5| Hyperplasia, Lymphoid | 2 | 2 2.0| |__________________________________________________________________________|____________| Thymus | I + + M + + + + + + | 44 | Angiectasis | | 1 2.0| Atrophy | | 1 3.0| Hyperplasia, Lymphoid | | 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 72 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 5| 7| 7| 7| 6| 6| 6| | | DAY ON TEST | 0| 8| 2| 7| 2| 2| 2| 4| 9| 1| | | | 5| 6| 9| 9| 9| 9| 9| 3| 0| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 5000 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 59 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Subcutaneous Tissue, Edema | | 4 2.8| Subcutaneous Tissue, Inflammation, | | | Chronic, Focal | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | Fibrous Osteodystrophy | | 1 3.0| Hyperostosis | | 2 3.0| Femur, Callus | | 1 3.0| |__________________________________________________________________________|____________| Skeletal Muscle | | 18 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + | 58 | |__________________________________________________________________________|____________| Peripheral Nerve | | 3 | |__________________________________________________________________________|____________| Spinal Cord | | 3 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 57 | Congestion | | 1 2.0| Hemorrhage | | 2 2.0| Hyperplasia, Lymphoid | | 1 2.0| Infiltration Cellular, Mixed Cell | 2 3 | 9 2.4| Artery, Mediastinum, Inflammation, | | | Chronic | | 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 73 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 5| 7| 7| 7| 6| 6| 6| | | DAY ON TEST | 0| 8| 2| 7| 2| 2| 2| 4| 9| 1| | | | 5| 6| 9| 9| 9| 9| 9| 3| 0| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 5000 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Bronchus, Glands, Cyst | | 1 2.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + | 57 | Hemorrhage | | 1 3.0| Mucosa, Glands, Dilatation, Focal | 2 | 1 2.0| |__________________________________________________________________________|____________| Trachea | + + + M + + + + + + | 55 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Harderian Gland | + + | 4 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + A + + + + + + + + | 59 | Congestion | | 1 1.0| Cyst | | 1 2.0| Inflammation, Suppurative | | 1 3.0| Mineralization, Focal | | 1 3.0| Nephropathy | | 11 1.7| Pigmentation | | 1 3.0| Artery, Inflammation, Chronic | | 1 2.0| Pelvis, Dilatation | | 1 3.0| Pelvis, Hemorrhage | | 1 3.0| Renal Tubule, Accumulation, Hyaline | | | Droplet | | 10 2.3| Renal Tubule, Casts Protein | | 6 2.0| Renal Tubule, Dilatation | | 1 2.0| Renal Tubule, Pigmentation | 3 3 3 3 | 35 2.9| |__________________________________________________________________________|____________| Urinary Bladder | + A + + + + + + + + | 54 | __________________________________________________________________________________________________________________________________ * : 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 74 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 2| 7| DAY ON TEST | 2| 3| 2| 2| 3| 3| 3| 2| 2| 3| 3| 3| 3| 3| 2| 2| 3| 1| 9| 3| 2| 2| 1| 6| 3| | 9| 1| 9| 9| 0| 0| 0| 9| 9| 0| 0| 0| 0| 0| 9| 9| 0| 8| 6| 0| 9| 9| 0| 3| 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| 0| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + A + + + + A + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + A + + + + A + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + A + + + + A + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + A + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + A A + + + A + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A + + + + A + +| Epithelium, Degeneration, Cystic, | | Focal | 1 | Epithelium, Hyperplasia, Focal, | | Adenomatous | | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + A A + + + A + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 | Clear Cell Focus | X X | Congestion, Focal | | Eosinophilic Focus | | Infiltration Cellular, Mixed Cell | 1 1 1 2 1 1 1 2 1 1 1 1 1 2 1 2 1 1| Mixed Cell Focus | | Necrosis | 1 | Hepatocyte, Fatty Change, Diffuse | 3 2 | Hepatocyte, Necrosis, Focal | 3 | Hepatocyte, Syncytial Alteration, | | Focal | 1 1 1 1 1 1 1 1 | Hepatocyte, Tension Lipidosis | | Hepatocyte, Vacuolization | | Cytoplasmic, Diffuse | 3 1 3 3 2 3 | Hepatocyte, Vacuolization | | Cytoplasmic, Focal | 1 2 2 1 | __________________________________________|__________________________________________________________________________| Page 75 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 2| 7| DAY ON TEST | 2| 3| 2| 2| 3| 3| 3| 2| 2| 3| 3| 3| 3| 3| 2| 2| 3| 1| 9| 3| 2| 2| 1| 6| 3| | 9| 1| 9| 9| 0| 0| 0| 9| 9| 0| 0| 0| 0| 0| 9| 9| 0| 8| 6| 0| 9| 9| 0| 3| 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| 0| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Hepatocyte, Centrilobular, Fatty | | Change | | |__________________________________________________________________________| Mesentery | + + + + + + | Inflammation, Chronic | 2 2 2 | Artery, Inflammation, Chronic | 1 | Fat, Necrosis | 2 1 2 3 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy, Focal | 3 | Duct, Cyst | 4 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Cyst | | Epithelium, Hyperplasia | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Tooth | + + + + + | Malformation | 2 | Peridontal Tissue, Inflammation, | | Chronic | 3 3 3 4 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic, Focal | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Cytoplasmic Alteration, Focal | 1 2 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 76 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 2| 7| DAY ON TEST | 2| 3| 2| 2| 3| 3| 3| 2| 2| 3| 3| 3| 3| 3| 2| 2| 3| 1| 9| 3| 2| 2| 1| 6| 3| | 9| 1| 9| 9| 0| 0| 0| 9| 9| 0| 0| 0| 0| 0| 9| 9| 0| 8| 6| 0| 9| 9| 0| 3| 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| 0| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + M + + M M + + + +| |__________________________________________________________________________| Pituitary Gland | + + + M + + + + M + + + + + + + + + + + + + + I +| Pars Distalis, Cyst | 1 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic, Focal | 1 1 1 2 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 3 3 3 3 3 3 1 3 3 2 3 3 3| Inflammation, Chronic | | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 3 | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + | Mediastinal, Hemorrhage | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + M +| Hyperplasia, Lymphoid | 3 | __________________________________________|__________________________________________________________________________| Page 77 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 2| 7| DAY ON TEST | 2| 3| 2| 2| 3| 3| 3| 2| 2| 3| 3| 3| 3| 3| 2| 2| 3| 1| 9| 3| 2| 2| 1| 6| 3| | 9| 1| 9| 9| 0| 0| 0| 9| 9| 0| 0| 0| 0| 0| 9| 9| 0| 8| 6| 0| 9| 9| 0| 3| 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| 0| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Cellular | | Hematopoietic Cell Proliferation | 2 2 3 2 | Hyperplasia, Lymphoid | | Pigmentation, Focal | | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + M + + + + + + I| Cyst | 2 | Hyperplasia, Lymphoid | 3 | Epithelial Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M + M M| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer, Chronic, Focal | | Artery, Subcutaneous Tissue, | | Inflammation, Chronic | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | __________________________________________|__________________________________________________________________________| Page 78 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 2| 7| DAY ON TEST | 2| 3| 2| 2| 3| 3| 3| 2| 2| 3| 3| 3| 3| 3| 2| 2| 3| 1| 9| 3| 2| 2| 1| 6| 3| | 9| 1| 9| 9| 0| 0| 0| 9| 9| 0| 0| 0| 0| 0| 9| 9| 0| 8| 6| 0| 9| 9| 0| 3| 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| 0| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 1 | Alveolar Epithelium, Hyperplasia | | Bronchus, Glands, Cyst | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Sinus, Foreign Body | | Sinus, Inflammation, Chronic, | | Suppurative | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | + | |__________________________________________________________________________| Harderian Gland | + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + A + + + + + + +| Congestion | 2 | Cyst | | Hyperplasia, Lymphoid | 2 | Nephropathy | 1 2 1 2 1 1 1 2 1 2 1 1 2 2 1 1 1 1 1 1 2 1| Artery, Inflammation, Chronic | | Renal Tubule, Accumulation, Hyaline | | Droplet | | Renal Tubule, Pigmentation | | Renal Tubule, Vacuolization | | Cytoplasmic | 2 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 79 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 3| 2| 3| 3| 2| 3| 2| 3| 3| 2| 3| 3| 2| 3| 3| 4| 2| 2| 2| 3| 3| 2| 3| | 0| 9| 0| 9| 1| 7| 9| 0| 9| 0| 0| 9| 0| 0| 9| 0| 0| 9| 9| 9| 9| 0| 0| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + + M + + + + + + + + + + + M + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A + + + + + + +| Epithelium, Degeneration, Cystic, | | Focal | | Epithelium, Hyperplasia, Focal, | | Adenomatous | 3 | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Clear Cell Focus | X | Congestion, Focal | 2 | Eosinophilic Focus | X X X | Infiltration Cellular, Mixed Cell | 1 2 1 1 1 2 1 1 1 1 1 2 1 1 1 1 1 1 1| Mixed Cell Focus | X X| Necrosis | | Hepatocyte, Fatty Change, Diffuse | | Hepatocyte, Necrosis, Focal | 1 | Hepatocyte, Syncytial Alteration, | | Focal | 1 1 1 1 1 1 1 1 | Hepatocyte, Tension Lipidosis | | Hepatocyte, Vacuolization | | Cytoplasmic, Diffuse | 2 3 3 2 | Hepatocyte, Vacuolization | | Cytoplasmic, Focal | | __________________________________________|__________________________________________________________________________| Page 80 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 3| 2| 3| 3| 2| 3| 2| 3| 3| 2| 3| 3| 2| 3| 3| 4| 2| 2| 2| 3| 3| 2| 3| | 0| 9| 0| 9| 1| 7| 9| 0| 9| 0| 0| 9| 0| 0| 9| 0| 0| 9| 9| 9| 9| 0| 0| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Hepatocyte, Centrilobular, Fatty | | Change | | |__________________________________________________________________________| Mesentery | + + + | Inflammation, Chronic | | Artery, Inflammation, Chronic | 2 | Fat, Necrosis | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + A + + + + + + +| Acinus, Atrophy, Focal | | Duct, Cyst | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Cyst | 1 | Epithelium, Hyperplasia | 2 1 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Tooth | + + + +| Malformation | 3 2 1 | Peridontal Tissue, Inflammation, | | Chronic | 3 3| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic, Focal | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Cytoplasmic Alteration, Focal | 1 1 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________|__________________________________________________________________________| Page 81 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 3| 2| 3| 3| 2| 3| 2| 3| 3| 2| 3| 3| 2| 3| 3| 4| 2| 2| 2| 3| 3| 2| 3| | 0| 9| 0| 9| 1| 7| 9| 0| 9| 0| 0| 9| 0| 0| 9| 0| 0| 9| 9| 9| 9| 0| 0| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + M + + M + + + + +| |__________________________________________________________________________| Pituitary Gland | + M + + + M + + + + + + M + + + + + + + + + + + +| Pars Distalis, Cyst | 1 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic, Focal | 1 1 2| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 3 3 3 3 3 3 3 3 3 3 3 | Inflammation, Chronic | 3 | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 3| |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + | Mediastinal, Hemorrhage | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________|__________________________________________________________________________| Page 82 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 3| 2| 3| 3| 2| 3| 2| 3| 3| 2| 3| 3| 2| 3| 3| 4| 2| 2| 2| 3| 3| 2| 3| | 0| 9| 0| 9| 1| 7| 9| 0| 9| 0| 0| 9| 0| 0| 9| 0| 0| 9| 9| 9| 9| 0| 0| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 1 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Cellular | | Hematopoietic Cell Proliferation | 3 2 1 3 3 | Hyperplasia, Lymphoid | 2 3 | Pigmentation, Focal | | |__________________________________________________________________________| Thymus | + + + + + M + + + + + + + + + + + + + + + + + + +| Cyst | 2 1 | Hyperplasia, Lymphoid | | Epithelial Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer, Chronic, Focal | 2 | Artery, Subcutaneous Tissue, | | Inflammation, Chronic | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Peripheral Nerve | | |__________________________________________________________________________| Spinal Cord | + | __________________________________________|__________________________________________________________________________| Page 83 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 3| 2| 3| 3| 2| 3| 2| 3| 3| 2| 3| 3| 2| 3| 3| 4| 2| 2| 2| 3| 3| 2| 3| | 0| 9| 0| 9| 1| 7| 9| 0| 9| 0| 0| 9| 0| 0| 9| 0| 0| 9| 9| 9| 9| 0| 0| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Alveolar Epithelium, Hyperplasia | | Bronchus, Glands, Cyst | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Sinus, Foreign Body | 3 | Sinus, Inflammation, Chronic, | | Suppurative | 2 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | | |__________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + A + + + + + + +| Congestion | 1 2 2| Cyst | 2 2 | Hyperplasia, Lymphoid | | Nephropathy | 1 1 2 1 1 4 2 1 1 1 1 2 1 1 2 2 2 1 1 1 1 1 1 1| Artery, Inflammation, Chronic | 2 | Renal Tubule, Accumulation, Hyaline | | Droplet | 4 | Renal Tubule, Pigmentation | 1 | Renal Tubule, Vacuolization | | Cytoplasmic | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________|__________________________________________________________________________ Page 84 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| | | DAY ON TEST | 3| 2| 9| 1| 3| 3| 2| 3| 3| 3| | | | 1| 9| 2| 9| 0| 0| 9| 0| 1| 0| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Gallbladder | + + + A + + + I + + | 54 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + A + + + + + + | 56 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + A + + M + + + | 55 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + A + + + + + + | 56 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + A + + + + + + | 55 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + A + + + + + + | 56 | Epithelium, Degeneration, Cystic, | | | Focal | | 1 1.0| Epithelium, Hyperplasia, Focal, | | | Adenomatous | | 1 3.0| |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + A + + + + + + | 55 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Angiectasis | | 1 3.0| Clear Cell Focus | | 3 | Congestion, Focal | 2 | 2 2.0| Eosinophilic Focus | | 3 | Infiltration Cellular, Mixed Cell | 1 1 2 1 1 2 1 1 1 | 46 1.2| Mixed Cell Focus | | 2 | Necrosis | | 1 1.0| Hepatocyte, Fatty Change, Diffuse | | 2 2.5| Hepatocyte, Necrosis, Focal | | 2 2.0| Hepatocyte, Syncytial Alteration, | | | Focal | | 16 1.0| Hepatocyte, Tension Lipidosis | 1 | 1 1.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 85 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| | | DAY ON TEST | 3| 2| 9| 1| 3| 3| 2| 3| 3| 3| | | | 1| 9| 2| 9| 0| 0| 9| 0| 1| 0| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Hepatocyte, Vacuolization | | | Cytoplasmic, Diffuse | | 10 2.5| Hepatocyte, Vacuolization | | | Cytoplasmic, Focal | | 4 1.5| Hepatocyte, Centrilobular, Fatty | | | Change | 3 | 1 3.0| |__________________________________________________________________________|____________| Mesentery | + + + | 12 | Inflammation, Chronic | | 3 2.0| Artery, Inflammation, Chronic | 3 | 3 2.0| Fat, Necrosis | 2 1 | 6 1.8| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 59 | Acinus, Atrophy, Focal | | 1 3.0| Duct, Cyst | | 1 4.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 60 | Epithelium, Cyst | | 1 1.0| Epithelium, Hyperplasia | | 2 1.5| |__________________________________________________________________________|____________| Stomach, Glandular | + + + A + + + + + + | 57 | |__________________________________________________________________________|____________| Tooth | + + + + + | 14 | Malformation | 2 | 5 2.0| Peridontal Tissue, Inflammation, | | | Chronic | 3 2 3 2 | 10 2.9| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Inflammation, Chronic, Focal | 2 | 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 86 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| | | DAY ON TEST | 3| 2| 9| 1| 3| 3| 2| 3| 3| 3| | | | 1| 9| 2| 9| 0| 0| 9| 0| 1| 0| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 60 | Cytoplasmic Alteration, Focal | 2 | 7 1.3| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 59 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + | 55 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + M + + + + | 53 | Pars Distalis, Cyst | | 2 1.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + A + + + + + + | 59 | Degeneration, Cystic, Focal | 1 1 | 10 1.3| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Tissue NOS | | 2 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + | 60 | Inflammation, Chronic | | 1 2.0| |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + | 60 | Degeneration, Cystic | 3 3 3 3 | 28 2.9| Inflammation, Chronic | | 1 3.0| |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + | 60 | Dilatation | | 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 87 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| | | DAY ON TEST | 3| 2| 9| 1| 3| 3| 2| 3| 3| 3| | | | 1| 9| 2| 9| 0| 0| 9| 0| 1| 0| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | Testes | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Lymph Node | + | 3 | Mediastinal, Hemorrhage | 2 | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + | 59 | Hyperplasia, Lymphoid | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + | 60 | Hemorrhage | | 1 1.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 60 | Depletion Cellular | 2 | 1 2.0| Hematopoietic Cell Proliferation | 3 2 2 2 | 13 2.3| Hyperplasia, Lymphoid | | 2 2.5| Pigmentation, Focal | 3 | 1 3.0| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 57 | Cyst | 2 | 4 1.8| Hyperplasia, Lymphoid | | 1 3.0| Epithelial Cell, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M | 1 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Ulcer, Chronic, Focal | | 1 2.0| Artery, Subcutaneous Tissue, | | | Inflammation, Chronic | 3 | 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 88 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| | | DAY ON TEST | 3| 2| 9| 1| 3| 3| 2| 3| 3| 3| | | | 1| 9| 2| 9| 0| 0| 9| 0| 1| 0| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Peripheral Nerve | | 1 | |__________________________________________________________________________|____________| Spinal Cord | | 2 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Hemorrhage | | 1 1.0| Alveolar Epithelium, Hyperplasia | 1 | 1 1.0| Bronchus, Glands, Cyst | 2 | 1 2.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | Sinus, Foreign Body | | 1 3.0| Sinus, Inflammation, Chronic, | | | Suppurative | | 1 2.0| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | | 1 | |__________________________________________________________________________|____________| Harderian Gland | + | 5 | _____________________________________________________________________________________________________________________| | URINARY 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 89 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| | | DAY ON TEST | 3| 2| 9| 1| 3| 3| 2| 3| 3| 3| | | | 1| 9| 2| 9| 0| 0| 9| 0| 1| 0| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM - cont | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 58 | Congestion | 1 | 5 1.6| Cyst | | 2 2.0| Hyperplasia, Lymphoid | | 1 2.0| Nephropathy | 1 1 1 1 1 2 1 2 1 1 | 56 1.3| Artery, Inflammation, Chronic | 3 | 2 2.5| Renal Tubule, Accumulation, Hyaline | | | Droplet | | 1 4.0| Renal Tubule, Pigmentation | | 1 1.0| Renal Tubule, Vacuolization | | | Cytoplasmic | | 1 2.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 59 | __________________________________________________________________________________________________________________________________ * : 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 90 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 5| 7| 6| 6| 6| 6| 7| 7| 7| 7| 5| 5| 7| 7| 4| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 4| 2| 3| 5| 2| 5| 3| 3| 4| 2| 1| 3| 3| 7| 4| 3| 3| 8| 2| 3| 2| 2| 2| | 0| 0| 2| 9| 0| 9| 8| 5| 0| 3| 1| 9| 0| 1| 0| 2| 5| 0| 0| 5| 9| 0| 9| 6| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + + A A A + A M + + + + A A + + + + + + A +| Fibrosis | | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + A + M + A + + + + A M + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + A + M A + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + A + + + A A + A A + + + + A + + + + + + + A +| Epithelium, Degeneration, Mucoid | 3 | |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + A A A + A A + + + + + A + + + M + + A +| |__________________________________________________________________________| Intestine Small, Jejunum | + + A + + + A A A A A + + + + A A + + + + + + A +| Inflammation, Focal | | Ulcer | | Peyer's Patch, Hyperplasia, Lymphoid | 3 | Peyer's Patch, Inflammation, Chronic | | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + A A A A A A + + + M A A + + + M + + A +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | | Basophilic Focus | X X X | Clear Cell Focus | X X | Congestion, Focal | | Eosinophilic Focus | X X X X X | Fibrosis, Focal | | Infiltration Cellular, Mixed Cell | 1 2 1 2 2 2 1 1 1 2 1 2 1 1 1| Inflammation, Chronic, Focal | | Inflammation, Focal, Suppurative | | Mineralization, Focal | | Necrosis | 2 1 2 1 2 2 1 3 | Hepatocyte, Syncytial Alteration, | | Focal | 1 1 2 1 1 1 1 1 1 1 1| Hepatocyte, Vacuolization | | __________________________________________|__________________________________________________________________________| Page 91 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 5| 7| 6| 6| 6| 6| 7| 7| 7| 7| 5| 5| 7| 7| 4| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 4| 2| 3| 5| 2| 5| 3| 3| 4| 2| 1| 3| 3| 7| 4| 3| 3| 8| 2| 3| 2| 2| 2| | 0| 0| 2| 9| 0| 9| 8| 5| 0| 3| 1| 9| 0| 1| 0| 2| 5| 0| 0| 5| 9| 0| 9| 6| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Cytoplasmic, Diffuse | 2 2 2 | Hepatocyte, Vacuolization | | Cytoplasmic, Focal | 1 1 2 2 | Hepatocyte, Centrilobular, Depletion | | Glycogen | 2 | Hepatocyte, Centrilobular, Fatty | | Change | 2 2 | |__________________________________________________________________________| Mesentery | + + + + | Inflammation, Chronic | 2 | Artery, Inflammation, Chronic | | Fat, Necrosis | | |__________________________________________________________________________| Oral Mucosa | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | | Acinus, Atrophy, Focal | | Duct, Cyst | | Duct, Inflammation, Chronic, Focal | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Focal | | Ulcer | 1 | Epithelium, Hyperplasia | 2 1 2 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + A A + + + + + + + A A + + + + + + A +| Inflammation, Chronic, Focal | 2 | Inflammation, Focal | | |__________________________________________________________________________| Tooth | + + + + + + | Peridontal Tissue, Inflammation, | | Chronic | 2 3 3 3 3 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 92 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 5| 7| 6| 6| 6| 6| 7| 7| 7| 7| 5| 5| 7| 7| 4| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 4| 2| 3| 5| 2| 5| 3| 3| 4| 2| 1| 3| 3| 7| 4| 3| 3| 8| 2| 3| 2| 2| 2| | 0| 0| 2| 9| 0| 9| 8| 5| 0| 3| 1| 9| 0| 1| 0| 2| 5| 0| 0| 5| 9| 0| 9| 6| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | 1 | Cyst | 1 1 | Cytoplasmic Alteration, Focal | 2| Hypertrophy, Focal | 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + M| Amyloid Deposition | | |__________________________________________________________________________| Pituitary Gland | + + + + + + + M + I + + + M + + + + + M + + + + +| Pars Distalis, Cyst | 2 | Rathke's Cleft, Cyst | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic, Focal | 2 1 1 1 | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + M + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 3 3 3 3 3 3 3 3 3 3 3 3 3 | Inflammation, Chronic | 3 | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + I + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 93 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 5| 7| 6| 6| 6| 6| 7| 7| 7| 7| 5| 5| 7| 7| 4| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 4| 2| 3| 5| 2| 5| 3| 3| 4| 2| 1| 3| 3| 7| 4| 3| 3| 8| 2| 3| 2| 2| 2| | 0| 0| 2| 9| 0| 9| 8| 5| 0| 3| 1| 9| 0| 1| 0| 2| 5| 0| 0| 5| 9| 0| 9| 6| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Inflammation, Chronic | 3 | |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 2 | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Cellular | 2 | Hemorrhage, Focal | 3 2 | Hyperplasia | 3 | Thrombosis | | |__________________________________________________________________________| Lymph Node | + | Mediastinal, Hemorrhage | | Mediastinal, Hyperplasia | | Mediastinal, Pigmentation | | Pancreatic, Hemorrhage | 2 | |__________________________________________________________________________| Lymph Node, Mandibular | + + M M + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + M + + + + M + + + + + + + M + + + + + + + +| Hematopoietic Cell Proliferation | | Hemorrhage | | Hyperplasia, Lymphoid | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | | Depletion Cellular | 4 3 | Hematopoietic Cell Proliferation | 4 3 3 4 4 3 2 3 3 3 3 | Hyperplasia, Lymphoid | 3 2 | |__________________________________________________________________________| Thymus | + + + + + + + M M + + + + + I + + + + + + + + M +| Atrophy | 3 3 | Cyst | 2 | __________________________________________|__________________________________________________________________________| Page 94 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 5| 7| 6| 6| 6| 6| 7| 7| 7| 7| 5| 5| 7| 7| 4| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 4| 2| 3| 5| 2| 5| 3| 3| 4| 2| 1| 3| 3| 7| 4| 3| 3| 8| 2| 3| 2| 2| 2| | 0| 0| 2| 9| 0| 9| 8| 5| 0| 3| 1| 9| 0| 1| 0| 2| 5| 0| 0| 5| 9| 0| 9| 6| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Edema | 3 2 3 | Subcutaneous Tissue, Inflammation, | | Chronic, Focal | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fracture | 3 | |__________________________________________________________________________| Skeletal Muscle | + + + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hyperplasia, Histiocytic | 2 | Infiltration Cellular, Mixed Cell | 2 | Inflammation, Chronic, Focal | 2 | Alveolar Epithelium, Hyperplasia | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Mucosa, Glands, Dilatation, Focal | 1| Nasolacrimal Duct, Inflammation | 2 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | | Atrophy | | __________________________________________|__________________________________________________________________________| Page 95 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 5| 7| 6| 6| 6| 6| 7| 7| 7| 7| 5| 5| 7| 7| 4| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 4| 2| 3| 5| 2| 5| 3| 3| 4| 2| 1| 3| 3| 7| 4| 3| 3| 8| 2| 3| 2| 2| 2| | 0| 0| 2| 9| 0| 9| 8| 5| 0| 3| 1| 9| 0| 1| 0| 2| 5| 0| 0| 5| 9| 0| 9| 6| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | |__________________________________________________________________________| Harderian Gland | | |__________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | | Atrophy, Focal | 2 | Atrophy | | Congestion | 2 2 | Cyst | 2 2 1 2 | Fibrosis, Focal | | Hyperplasia, Lymphoid | | Infarct | | Inflammation, Chronic, Focal | 2 | Inflammation, Chronic | | Inflammation, Focal, Suppurative | | Inflammation, Suppurative | | Nephropathy | 2 2 2 1 1 2 2 2 2 1 2 4 1 2 1 1 2 1 2 1 2 2 2| Renal Tubule, Accumulation, Hyaline | | Droplet | 3 | Renal Tubule, Dilatation | 2 | Renal Tubule, Necrosis | | Renal Tubule, Pigmentation | 3 3 2 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 96 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 4| 7| 7| 5| 6| 7| 7| 7| 7| 7| 6| 5| 7| 7| 5| 7| 4| 7| 6| 7| 7| 7| 7| 6| DAY ON TEST | 0| 6| 3| 1| 2| 4| 3| 3| 2| 3| 3| 9| 7| 3| 3| 9| 2| 6| 3| 8| 3| 2| 2| 2| 8| | 4| 9| 1| 7| 6| 1| 0| 0| 9| 0| 1| 0| 5| 0| 1| 2| 9| 0| 0| 8| 1| 9| 9| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + A + + + A + + + + + + M + + + + A + A + + M + A| Fibrosis | 3 | |__________________________________________________________________________| Intestine Large, Colon | + A + + A + + + + + + + A + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + A + + + + + + + + + + M + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + A + A A + + + + + + + + + + + + + + + + + + + A| Epithelium, Degeneration, Mucoid | | |__________________________________________________________________________| Intestine Small, Duodenum | + A + + A + + + + + + + A + + + + A + + + + + + A| |__________________________________________________________________________| Intestine Small, Jejunum | + A + + A A + + + + + + A + + + + A + + + + + + A| Inflammation, Focal | | Ulcer | | Peyer's Patch, Hyperplasia, Lymphoid | | Peyer's Patch, Inflammation, Chronic | | |__________________________________________________________________________| Intestine Small, Ileum | + A + A A A + + + + + + A + + + + A + + + + + + A| |__________________________________________________________________________| Liver | + A + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 4 | Basophilic Focus | X X | Clear Cell Focus | | Congestion, Focal | 2 | Eosinophilic Focus | X X X X X X X | Fibrosis, Focal | 3 | Infiltration Cellular, Mixed Cell | 1 3 3 3 1 2 2 1 1 1 2 1 1 1 3 1 2 2| Inflammation, Chronic, Focal | 3 | Inflammation, Focal, Suppurative | 2 | Mineralization, Focal | 2 | Necrosis | 3 3 1 2 3 2| Hepatocyte, Syncytial Alteration, | | Focal | 2 1 1 1 1 1 1 1 | Hepatocyte, Vacuolization | | __________________________________________|__________________________________________________________________________| Page 97 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 4| 7| 7| 5| 6| 7| 7| 7| 7| 7| 6| 5| 7| 7| 5| 7| 4| 7| 6| 7| 7| 7| 7| 6| DAY ON TEST | 0| 6| 3| 1| 2| 4| 3| 3| 2| 3| 3| 9| 7| 3| 3| 9| 2| 6| 3| 8| 3| 2| 2| 2| 8| | 4| 9| 1| 7| 6| 1| 0| 0| 9| 0| 1| 0| 5| 0| 1| 2| 9| 0| 0| 8| 1| 9| 9| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Cytoplasmic, Diffuse | 2 | Hepatocyte, Vacuolization | | Cytoplasmic, Focal | 2 | Hepatocyte, Centrilobular, Depletion | | Glycogen | | Hepatocyte, Centrilobular, Fatty | | Change | | |__________________________________________________________________________| Mesentery | + + + + + + + | Inflammation, Chronic | 2 | Artery, Inflammation, Chronic | 2 | Fat, Necrosis | 2 | |__________________________________________________________________________| Oral Mucosa | + | |__________________________________________________________________________| Pancreas | + A + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 2 | Acinus, Atrophy, Focal | 3 | Duct, Cyst | 4 | Duct, Inflammation, Chronic, Focal | 3 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Focal | 2 | Ulcer | | Epithelium, Hyperplasia | 2 2 | |__________________________________________________________________________| Stomach, Glandular | + + + A + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic, Focal | | Inflammation, Focal | 2 | |__________________________________________________________________________| Tooth | + +| Peridontal Tissue, Inflammation, | | Chronic | 3 2| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 98 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 4| 7| 7| 5| 6| 7| 7| 7| 7| 7| 6| 5| 7| 7| 5| 7| 4| 7| 6| 7| 7| 7| 7| 6| DAY ON TEST | 0| 6| 3| 1| 2| 4| 3| 3| 2| 3| 3| 9| 7| 3| 3| 9| 2| 6| 3| 8| 3| 2| 2| 2| 8| | 4| 9| 1| 7| 6| 1| 0| 0| 9| 0| 1| 0| 5| 0| 1| 2| 9| 0| 0| 8| 1| 9| 9| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | | Cyst | | Cytoplasmic Alteration, Focal | 1 | Hypertrophy, Focal | | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + A + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + M + + + + + + + M + + + + + + + M + +| Amyloid Deposition | 2 | |__________________________________________________________________________| Pituitary Gland | + + + + + + + + M + + + + + + + M + M M + + + + +| Pars Distalis, Cyst | | Rathke's Cleft, Cyst | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic, Focal | 1 1 1 1 2 1 1| Follicular Cell, Hyperplasia | 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 3 3 3 3 3 4 3 3 3 3 | Inflammation, Chronic | 3 2 4 | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 99 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 4| 7| 7| 5| 6| 7| 7| 7| 7| 7| 6| 5| 7| 7| 5| 7| 4| 7| 6| 7| 7| 7| 7| 6| DAY ON TEST | 0| 6| 3| 1| 2| 4| 3| 3| 2| 3| 3| 9| 7| 3| 3| 9| 2| 6| 3| 8| 3| 2| 2| 2| 8| | 4| 9| 1| 7| 6| 1| 0| 0| 9| 0| 1| 0| 5| 0| 1| 2| 9| 0| 0| 8| 1| 9| 9| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Inflammation, Chronic | | |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Cellular | | Hemorrhage, Focal | | Hyperplasia | 2 3 | Thrombosis | | |__________________________________________________________________________| Lymph Node | + + | Mediastinal, Hemorrhage | 2 | Mediastinal, Hyperplasia | 3 | Mediastinal, Pigmentation | 2 | Pancreatic, Hemorrhage | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + M + + + M + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node, Mesenteric | + A + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 | Hemorrhage | 3 2 | Hyperplasia, Lymphoid | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 3 | Depletion Cellular | 3 4 4 4 | Hematopoietic Cell Proliferation | 3 3 2 3 4 3 3| Hyperplasia, Lymphoid | 2 | |__________________________________________________________________________| Thymus | + + + + + + + + M + + + + I + + + + + + + + I + +| Atrophy | 4 | Cyst | 2 | __________________________________________|__________________________________________________________________________| Page 100 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 4| 7| 7| 5| 6| 7| 7| 7| 7| 7| 6| 5| 7| 7| 5| 7| 4| 7| 6| 7| 7| 7| 7| 6| DAY ON TEST | 0| 6| 3| 1| 2| 4| 3| 3| 2| 3| 3| 9| 7| 3| 3| 9| 2| 6| 3| 8| 3| 2| 2| 2| 8| | 4| 9| 1| 7| 6| 1| 0| 0| 9| 0| 1| 0| 5| 0| 1| 2| 9| 0| 0| 8| 1| 9| 9| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Edema | | Subcutaneous Tissue, Inflammation, | | Chronic, Focal | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fracture | | |__________________________________________________________________________| Skeletal Muscle | + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hyperplasia, Histiocytic | 2 | Infiltration Cellular, Mixed Cell | 3 3 | Inflammation, Chronic, Focal | 2 | Alveolar Epithelium, Hyperplasia | 1 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Mucosa, Glands, Dilatation, Focal | | Nasolacrimal Duct, Inflammation | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | | Atrophy | | __________________________________________|__________________________________________________________________________| Page 101 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 6| 4| 7| 7| 5| 6| 7| 7| 7| 7| 7| 6| 5| 7| 7| 5| 7| 4| 7| 6| 7| 7| 7| 7| 6| DAY ON TEST | 0| 6| 3| 1| 2| 4| 3| 3| 2| 3| 3| 9| 7| 3| 3| 9| 2| 6| 3| 8| 3| 2| 2| 2| 8| | 4| 9| 1| 7| 6| 1| 0| 0| 9| 0| 1| 0| 5| 0| 1| 2| 9| 0| 0| 8| 1| 9| 9| 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| B6C3F1 MICE 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| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1250 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | |__________________________________________________________________________| Harderian Gland | + + | |__________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + A + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 4 | Atrophy, Focal | | Atrophy | 4 | Congestion | 1 | Cyst | | Fibrosis, Focal | 4 | Hyperplasia, Lymphoid | 2 1 | Infarct | 3 | Inflammation, Chronic, Focal | | Inflammation, Chronic | 4 | Inflammation, Focal, Suppurative | 3 | Inflammation, Suppurative | 3 | Nephropathy | 1 1 3 4 1 2 2 1 1 1 2 2 1 1 2 2 1 1 2 2 2| Renal Tubule, Accumulation, Hyaline | | Droplet | 3 | Renal Tubule, Dilatation | | Renal Tubule, Necrosis | 3 | Renal Tubule, Pigmentation | 3 4 2 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 102 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 4| 4| | | DAY ON TEST | 3| 2| 2| 9| 3| 3| 2| 2| 5| 6| | | | 1| 9| 9| 0| 0| 0| 9| 9| 1| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | 1250 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Gallbladder | + + + A + + + + A A | 42 | Fibrosis | | 1 3.0| |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 52 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + A + + + + + + | 54 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 49 | Epithelium, Degeneration, Mucoid | | 1 3.0| |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + A + + + + + A | 45 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + A + + + + + A | 43 | Inflammation, Focal | 4 | 1 4.0| Ulcer | 4 | 1 4.0| Peyer's Patch, Hyperplasia, Lymphoid | | 1 3.0| Peyer's Patch, Inflammation, Chronic | 4 | 1 4.0| |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + A + + + + + A | 40 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 59 | Amyloid Deposition | | 1 4.0| Basophilic Focus | X | 6 | Clear Cell Focus | | 2 | Congestion, Focal | | 1 2.0| Eosinophilic Focus | X X | 14 | Fibrosis, Focal | | 1 3.0| Infiltration Cellular, Mixed Cell | 2 2 2 1 1 1 1 | 40 1.6| Inflammation, Chronic, Focal | | 1 3.0| Inflammation, Focal, Suppurative | | 1 2.0| Mineralization, Focal | | 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 103 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 4| 4| | | DAY ON TEST | 3| 2| 2| 9| 3| 3| 2| 2| 5| 6| | | | 1| 9| 9| 0| 0| 0| 9| 9| 1| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | 1250 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Necrosis | 2 | 15 2.0| Hepatocyte, Syncytial Alteration, | | | Focal | 1 1 1 1 1 1 1 | 26 1.1| Hepatocyte, Vacuolization | | | Cytoplasmic, Diffuse | | 4 2.0| Hepatocyte, Vacuolization | | | Cytoplasmic, Focal | | 5 1.6| Hepatocyte, Centrilobular, Depletion | | | Glycogen | | 1 2.0| Hepatocyte, Centrilobular, Fatty | | | Change | | 2 2.0| |__________________________________________________________________________|____________| Mesentery | + | 12 | Inflammation, Chronic | | 2 2.0| Artery, Inflammation, Chronic | | 1 2.0| Fat, Necrosis | | 1 2.0| |__________________________________________________________________________|____________| Oral Mucosa | | 1 | |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 59 | Amyloid Deposition | | 1 2.0| Acinus, Atrophy, Focal | | 1 3.0| Duct, Cyst | | 1 4.0| Duct, Inflammation, Chronic, Focal | | 1 3.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 60 | Inflammation, Focal | | 1 2.0| Ulcer | | 1 1.0| Epithelium, Hyperplasia | | 5 1.8| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 54 | Inflammation, Chronic, Focal | | 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 104 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 4| 4| | | DAY ON TEST | 3| 2| 2| 9| 3| 3| 2| 2| 5| 6| | | | 1| 9| 9| 0| 0| 0| 9| 9| 1| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | 1250 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Inflammation, Focal | | 1 2.0| |__________________________________________________________________________|____________| Tooth | + | 9 | Peridontal Tissue, Inflammation, | | | Chronic | 3 | 9 2.7| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Infiltration Cellular, Mixed Cell | | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 60 | Accessory Adrenal Cortical Nodule | | 1 1.0| Cyst | | 2 1.0| Cytoplasmic Alteration, Focal | | 2 1.5| Hypertrophy, Focal | | 1 2.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 59 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + M + + + + M | 54 | Amyloid Deposition | | 1 2.0| |__________________________________________________________________________|____________| Pituitary Gland | + + + M + M + + + + | 50 | Pars Distalis, Cyst | | 1 2.0| Rathke's Cleft, Cyst | 3 | 1 3.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + I + + + + + | 59 | Degeneration, Cystic, Focal | | 11 1.2| Follicular Cell, Hyperplasia | | 1 1.0| _____________________________________________________________________________________________________________________| | 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 105 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 4| 4| | | DAY ON TEST | 3| 2| 2| 9| 3| 3| 2| 2| 5| 6| | | | 1| 9| 9| 0| 0| 0| 9| 9| 1| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | 1250 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + | 59 | Degeneration, Cystic | 3 3 3 3 | 27 3.0| Inflammation, Chronic | 3 | 5 3.0| |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + | 59 | Inflammation, Chronic | | 1 3.0| |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + | 60 | Dilatation | | 1 2.0| |__________________________________________________________________________|____________| Testes | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Depletion Cellular | | 1 2.0| Hemorrhage, Focal | | 2 2.5| Hyperplasia | | 3 2.7| Thrombosis | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node | + | 4 | Mediastinal, Hemorrhage | | 1 2.0| Mediastinal, Hyperplasia | | 1 3.0| Mediastinal, Pigmentation | | 1 2.0| Pancreatic, Hemorrhage | | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + M | 55 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | M + + + + + + + + + | 55 | Hematopoietic Cell Proliferation | | 1 3.0| Hemorrhage | | 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 106 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 4| 4| | | DAY ON TEST | 3| 2| 2| 9| 3| 3| 2| 2| 5| 6| | | | 1| 9| 9| 0| 0| 0| 9| 9| 1| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | 1250 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Hyperplasia, Lymphoid | 2 | 1 2.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 60 | Amyloid Deposition | | 1 3.0| Depletion Cellular | 4 | 7 3.7| Hematopoietic Cell Proliferation | 3 3 3 3 3 3 | 24 3.1| Hyperplasia, Lymphoid | | 3 2.3| |__________________________________________________________________________|____________| Thymus | + + + + + M + + + + | 52 | Atrophy | | 3 3.3| Cyst | 2 | 3 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M | | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Subcutaneous Tissue, Edema | | 3 2.7| Subcutaneous Tissue, Inflammation, | | | Chronic, Focal | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | Fracture | | 1 3.0| |__________________________________________________________________________|____________| Skeletal Muscle | | 6 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | RESPIRATORY 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 107 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 4| 4| | | DAY ON TEST | 3| 2| 2| 9| 3| 3| 2| 2| 5| 6| | | | 1| 9| 9| 0| 0| 0| 9| 9| 1| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | 1250 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Lung | + + + + + + + + + + | 60 | Congestion | 3 | 1 3.0| Hyperplasia, Histiocytic | | 2 2.0| Infiltration Cellular, Mixed Cell | 2 | 4 2.5| Inflammation, Chronic, Focal | 2 | 3 2.0| Alveolar Epithelium, Hyperplasia | | 1 1.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | Mucosa, Glands, Dilatation, Focal | | 1 1.0| Nasolacrimal Duct, Inflammation | | 1 2.0| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + | 1 | Atrophy | 3 | 1 3.0| |__________________________________________________________________________|____________| Harderian Gland | + | 3 | |__________________________________________________________________________|____________| Zymbal's Gland | + + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 59 | Amyloid Deposition | | 1 4.0| Atrophy, Focal | 3 | 2 2.5| Atrophy | | 1 4.0| Congestion | | 3 1.7| Cyst | | 4 1.8| Fibrosis, Focal | 3 | 2 3.5| Hyperplasia, Lymphoid | 2 | 3 1.7| Infarct | | 1 3.0| Inflammation, Chronic, Focal | | 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 108 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 4| 4| | | DAY ON TEST | 3| 2| 2| 9| 3| 3| 2| 2| 5| 6| | | | 1| 9| 9| 0| 0| 0| 9| 9| 1| 3| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | 1250 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM - cont | | | Inflammation, Chronic | | 1 4.0| Inflammation, Focal, Suppurative | | 1 3.0| Inflammation, Suppurative | | 1 3.0| Nephropathy | 3 2 2 1 2 1 2 2 1 | 53 1.7| Renal Tubule, Accumulation, Hyaline | | | Droplet | | 2 3.0| Renal Tubule, Dilatation | | 1 2.0| Renal Tubule, Necrosis | | 1 3.0| Renal Tubule, Pigmentation | | 6 2.8| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + A | 59 | __________________________________________________________________________________________________________________________________ * : 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 109 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 5| 5| 5| 3| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 4| 5| 4| 5| 4| 4| 7| 5| 4| 5| DAY ON TEST | 9| 3| 7| 0| 5| 3| 1| 5| 6| 6| 5| 2| 6| 1| 5| 9| 6| 9| 9| 6| 6| 0| 3| 7| 3| | 6| 1| 2| 3| 6| 3| 7| 6| 4| 6| 4| 3| 9| 6| 7| 6| 0| 2| 0| 7| 6| 6| 9| 0| 4| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | A A A + + A A + A + A A A A M + A + + A + A A + +| |__________________________________________________________________________| Intestine Large, Colon | A + + + + A + + + + A A + A + + + + + A + A + + A| |__________________________________________________________________________| Intestine Large, Rectum | A A + + + A + + + + A A + A + + + + + A + A + + A| |__________________________________________________________________________| Intestine Large, Cecum | A A A + + A A + + + + A + A + A + + + A + + A + A| |__________________________________________________________________________| Intestine Small, Duodenum | A A A + + A + + + + A A + A + + + + + A + A A + +| |__________________________________________________________________________| Intestine Small, Jejunum | A + A + + A A + + + A A + A + + + + + A + A A + A| |__________________________________________________________________________| Intestine Small, Ileum | A A A + + A A + + + A A + A + + + + + A + A A + A| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + A + + + + + + + + + + +| Angiectasis | | Basophilic Focus | | Eosinophilic Focus | X | Fibrosis, Focal | | Infiltration Cellular, Mixed Cell | 2 3 2 3 3 2 3 2 3| Inflammation, Chronic, Focal | | Necrosis | 2 1 2 2 3 3 2 2 2 1 3 2 1| Hepatocyte, Syncytial Alteration, | | Focal | 1 1 2 2 1 2 2 1 1 2 1 2 1 2 1 1 1| Hepatocyte, Vacuolization | | Cytoplasmic, Focal | | Hepatocyte, Centrilobular, Fatty | | Change | 3 3 | |__________________________________________________________________________| Mesentery | + + + + + + + + + + + + + + + + +| Inflammation, Chronic, Focal | 3 | Inflammation, Chronic | 3 3 | Fat, Necrosis | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 110 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 5| 5| 5| 3| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 4| 5| 4| 5| 4| 4| 7| 5| 4| 5| DAY ON TEST | 9| 3| 7| 0| 5| 3| 1| 5| 6| 6| 5| 2| 6| 1| 5| 9| 6| 9| 9| 6| 6| 0| 3| 7| 3| | 6| 1| 2| 3| 6| 3| 7| 6| 4| 6| 4| 3| 9| 6| 7| 6| 0| 2| 0| 7| 6| 6| 9| 0| 4| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Acinus, Atrophy, Focal | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | I + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Focal | 2 2 | Necrosis, Focal | 2 | Ulcer | 2 2 | Epithelium, Hyperplasia | 2 2 | |__________________________________________________________________________| Stomach, Glandular | + A + + + + + + + + + A + A + + + + + A + + + + +| Erosion | 2 1 | Pigmentation, Focal | 1 | |__________________________________________________________________________| Tooth | + | Peridontal Tissue, Inflammation, | | Chronic | 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | 1 1 | Inflammation, Chronic, Focal | 3 2 | Mineralization | 2 | Thrombosis | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + M + +| Fibrosis | 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + M + + + + + + + + M + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + M + +| Cyst | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 111 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 5| 5| 5| 3| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 4| 5| 4| 5| 4| 4| 7| 5| 4| 5| DAY ON TEST | 9| 3| 7| 0| 5| 3| 1| 5| 6| 6| 5| 2| 6| 1| 5| 9| 6| 9| 9| 6| 6| 0| 3| 7| 3| | 6| 1| 2| 3| 6| 3| 7| 6| 4| 6| 4| 3| 9| 6| 7| 6| 0| 2| 0| 7| 6| 6| 9| 0| 4| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Pituitary Gland | + + + + + + + + + + + M + + + + + + + + M M + + +| |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic, Focal | 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Coagulating Gland | + | Inflammation, Chronic | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 3 3 3 3 3 3 4 3 | Inflammation, Chronic | 3 | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + M + + + + + + + + M + + +| Inflammation, Chronic | 4 3 1 | |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Dilatation | | Inflammation, Chronic | 3 | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage, Focal | 3 | Hyperplasia | | Erythroid Cell, Depletion Cellular | | |__________________________________________________________________________| Lymph Node | + + + + | __________________________________________|__________________________________________________________________________| Page 112 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 5| 5| 5| 3| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 4| 5| 4| 5| 4| 4| 7| 5| 4| 5| DAY ON TEST | 9| 3| 7| 0| 5| 3| 1| 5| 6| 6| 5| 2| 6| 1| 5| 9| 6| 9| 9| 6| 6| 0| 3| 7| 3| | 6| 1| 2| 3| 6| 3| 7| 6| 4| 6| 4| 3| 9| 6| 7| 6| 0| 2| 0| 7| 6| 6| 9| 0| 4| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Iliac, Hematopoietic Cell | | Proliferation | | Iliac, Hyperplasia | | Mediastinal, Hemorrhage | 3 3 3 | Mediastinal, Hyperplasia | | |__________________________________________________________________________| Lymph Node, Mandibular | M + + + + + + + + + + M + A + + + + + + + + + + M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + M + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Cellular | 3 | Hematopoietic Cell Proliferation | 4 4 4 4 4 3 4 3 4 4 3 4 4 4 4 3 4 4 3 3 4| |__________________________________________________________________________| Thymus | + + + + + I + + + + + + M M + + I + M + + + + + +| Atrophy | 3 | Cyst | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Prepuce, Subcutaneous Tissue, | | Inflammation, Suppurative | | Subcutaneous Tissue, Edema | 2 3 3 2 3 2 3 3| Subcutaneous Tissue, Hemorrhage, | | Focal | | Subcutaneous Tissue, Inflammation, | | Chronic, Focal | | Subcutaneous Tissue, Necrosis | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 113 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 5| 5| 5| 3| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 4| 5| 4| 5| 4| 4| 7| 5| 4| 5| DAY ON TEST | 9| 3| 7| 0| 5| 3| 1| 5| 6| 6| 5| 2| 6| 1| 5| 9| 6| 9| 9| 6| 6| 0| 3| 7| 3| | 6| 1| 2| 3| 6| 3| 7| 6| 4| 6| 4| 3| 9| 6| 7| 6| 0| 2| 0| 7| 6| 6| 9| 0| 4| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | Hemorrhage, Focal | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 | Cyst | | Hemorrhage | | Infiltration Cellular, | | Polymorphonuclear | | Infiltration Cellular, Mixed Cell | 3 3 1 1 2 2| Alveolar Epithelium, Hyperplasia | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pleura | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + | Inflammation, Chronic | 4 | Cornea, Necrosis, Focal | 4 | |__________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + A + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 114 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 5| 5| 5| 3| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 4| 5| 4| 5| 4| 4| 7| 5| 4| 5| DAY ON TEST | 9| 3| 7| 0| 5| 3| 1| 5| 6| 6| 5| 2| 6| 1| 5| 9| 6| 9| 9| 6| 6| 0| 3| 7| 3| | 6| 1| 2| 3| 6| 3| 7| 6| 4| 6| 4| 3| 9| 6| 7| 6| 0| 2| 0| 7| 6| 6| 9| 0| 4| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Atrophy | 4 | Cyst | | Infiltration Cellular, Mixed Cell | | Inflammation, Chronic | 3 | Inflammation, Suppurative | 1 | Metaplasia, Focal, Osseous | | Nephropathy | 1 1 2 2 1 1 1 1 2 1 1 1 1 1| Papilla, Necrosis | | Pelvis, Dilatation | | Renal Tubule, Accumulation, Hyaline | | Droplet | 1 | Renal Tubule, Dilatation | | Renal Tubule, Pigmentation | 2 3 2 2 2 2 3 3 3 3 1 3 2 2| Renal Tubule, Vacuolization | | Cytoplasmic | | |__________________________________________________________________________| Urethra | | Inflammation, Focal | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | | Inflammation, Chronic | 3 | Transitional Epithelium, Hyperplasia | | __________________________________________|__________________________________________________________________________ Page 115 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 5| 5| 4| 4| 5| 4| 5| 5| 4| 5| 5| 2| 5| 5| 4| 5| 5| 4| 5| 5| 6| 5| 5| 4| 5| DAY ON TEST | 8| 6| 8| 2| 6| 1| 8| 2| 7| 2| 4| 7| 4| 4| 5| 2| 6| 9| 0| 6| 4| 6| 5| 5| 4| | 8| 6| 5| 3| 0| 9| 8| 0| 6| 6| 8| 0| 4| 0| 1| 2| 9| 2| 4| 3| 5| 9| 3| 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + M A + A + A A + + A A + A + + + + + A + A + + M| |__________________________________________________________________________| Intestine Large, Colon | + + A + + A + + + + + A + + + + + + + A + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + A + + A + + + + + + + + + + + + + A + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + A A A A A + A + + + + + A + + + + + A + A + + M| |__________________________________________________________________________| Intestine Small, Duodenum | + A A + + + + A + + + A + A + + + + + A + A + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + A A A A A + A + + + A + A + + + + + A + A + + +| |__________________________________________________________________________| Intestine Small, Ileum | + A A A A A + A + + + A + A + + + + + A + A + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + A + + + + + + + + + + + + +| Angiectasis | 1 2 | Basophilic Focus | X X X | Eosinophilic Focus | | Fibrosis, Focal | 1 | Infiltration Cellular, Mixed Cell | 3 2 3 2 1 1 2 2 3 3 1 | Inflammation, Chronic, Focal | | Necrosis | 2 2 2 1 1 1 2 2 3 2 2 3 | Hepatocyte, Syncytial Alteration, | | Focal | 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1| Hepatocyte, Vacuolization | | Cytoplasmic, Focal | 1 | Hepatocyte, Centrilobular, Fatty | | Change | 2 3 | |__________________________________________________________________________| Mesentery | + + + + + + + + + + + + + + + + + +| Inflammation, Chronic, Focal | | Inflammation, Chronic | | Fat, Necrosis | 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 116 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 5| 5| 4| 4| 5| 4| 5| 5| 4| 5| 5| 2| 5| 5| 4| 5| 5| 4| 5| 5| 6| 5| 5| 4| 5| DAY ON TEST | 8| 6| 8| 2| 6| 1| 8| 2| 7| 2| 4| 7| 4| 4| 5| 2| 6| 9| 0| 6| 4| 6| 5| 5| 4| | 8| 6| 5| 3| 0| 9| 8| 0| 6| 6| 8| 0| 4| 0| 1| 2| 9| 2| 4| 3| 5| 9| 3| 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Acinus, Atrophy, Focal | 1 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Focal | 1 | Necrosis, Focal | | Ulcer | | Epithelium, Hyperplasia | 2 2 1 | |__________________________________________________________________________| Stomach, Glandular | + + A + + + + A + + + + + + + + + + + A + + + + +| Erosion | | Pigmentation, Focal | | |__________________________________________________________________________| Tooth | | Peridontal Tissue, Inflammation, | | Chronic | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | 2 | Inflammation, Chronic, Focal | 2 | Mineralization | | Thrombosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + M + + + + + + + + + + + + + + M + + +| Cyst | 3 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 117 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 5| 5| 4| 4| 5| 4| 5| 5| 4| 5| 5| 2| 5| 5| 4| 5| 5| 4| 5| 5| 6| 5| 5| 4| 5| DAY ON TEST | 8| 6| 8| 2| 6| 1| 8| 2| 7| 2| 4| 7| 4| 4| 5| 2| 6| 9| 0| 6| 4| 6| 5| 5| 4| | 8| 6| 5| 3| 0| 9| 8| 0| 6| 6| 8| 0| 4| 0| 1| 2| 9| 2| 4| 3| 5| 9| 3| 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Pituitary Gland | + + + + + I + M I + + M + + + + + + + + I + + + +| |__________________________________________________________________________| Thyroid Gland | + + + + M + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic, Focal | 2 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Coagulating Gland | | Inflammation, Chronic | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + M + + +| Degeneration, Cystic | 3 3 3 3 3 2 3 | Inflammation, Chronic | | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 4 | |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 2 | Dilatation | 3 | Inflammation, Chronic | | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage, Focal | | Hyperplasia | 2 | Erythroid Cell, Depletion Cellular | 3 | |__________________________________________________________________________| Lymph Node | + | __________________________________________|__________________________________________________________________________| Page 118 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 5| 5| 4| 4| 5| 4| 5| 5| 4| 5| 5| 2| 5| 5| 4| 5| 5| 4| 5| 5| 6| 5| 5| 4| 5| DAY ON TEST | 8| 6| 8| 2| 6| 1| 8| 2| 7| 2| 4| 7| 4| 4| 5| 2| 6| 9| 0| 6| 4| 6| 5| 5| 4| | 8| 6| 5| 3| 0| 9| 8| 0| 6| 6| 8| 0| 4| 0| 1| 2| 9| 2| 4| 3| 5| 9| 3| 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Iliac, Hematopoietic Cell | | Proliferation | 3 | Iliac, Hyperplasia | | Mediastinal, Hemorrhage | | Mediastinal, Hyperplasia | 2 | |__________________________________________________________________________| Lymph Node, Mandibular | + M M + + + + + + + + + + M + + + + + + + + + + M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + M + M + + + + + M + + + + + +| Hyperplasia | 2 | |__________________________________________________________________________| Spleen | + + A + + + + + + + + + + + + + + + + + + + + + +| Depletion Cellular | 4 | Hematopoietic Cell Proliferation | 4 3 2 3 3 4 4 4 4 4 2 4 4 4 3 3 4 4 3 3| |__________________________________________________________________________| Thymus | + M + + + + + + I + + M M + + M + M I + + + I + +| Atrophy | 1 | Cyst | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Prepuce, Subcutaneous Tissue, | | Inflammation, Suppurative | | Subcutaneous Tissue, Edema | 3 2 3 2 2 | Subcutaneous Tissue, Hemorrhage, | | Focal | 4 | Subcutaneous Tissue, Inflammation, | | Chronic, Focal | 3 | Subcutaneous Tissue, Necrosis | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 119 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 5| 5| 4| 4| 5| 4| 5| 5| 4| 5| 5| 2| 5| 5| 4| 5| 5| 4| 5| 5| 6| 5| 5| 4| 5| DAY ON TEST | 8| 6| 8| 2| 6| 1| 8| 2| 7| 2| 4| 7| 4| 4| 5| 2| 6| 9| 0| 6| 4| 6| 5| 5| 4| | 8| 6| 5| 3| 0| 9| 8| 0| 6| 6| 8| 0| 4| 0| 1| 2| 9| 2| 4| 3| 5| 9| 3| 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | Hemorrhage, Focal | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Cyst | 2 | Hemorrhage | | Infiltration Cellular, | | Polymorphonuclear | 2 | Infiltration Cellular, Mixed Cell | 3 2 | Alveolar Epithelium, Hyperplasia | 1 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pleura | + | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | | Inflammation, Chronic | | Cornea, Necrosis, Focal | | |__________________________________________________________________________| Harderian Gland | + + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + A + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 120 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 5| 5| 4| 4| 5| 4| 5| 5| 4| 5| 5| 2| 5| 5| 4| 5| 5| 4| 5| 5| 6| 5| 5| 4| 5| DAY ON TEST | 8| 6| 8| 2| 6| 1| 8| 2| 7| 2| 4| 7| 4| 4| 5| 2| 6| 9| 0| 6| 4| 6| 5| 5| 4| | 8| 6| 5| 3| 0| 9| 8| 0| 6| 6| 8| 0| 4| 0| 1| 2| 9| 2| 4| 3| 5| 9| 3| 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| B6C3F1 MICE 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 | 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| 2500 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Atrophy | | Cyst | | Infiltration Cellular, Mixed Cell | 2 | Inflammation, Chronic | | Inflammation, Suppurative | | Metaplasia, Focal, Osseous | 1 | Nephropathy | 2 3 1 1 1 1 1 2 2 2 1 1 1 1 | Papilla, Necrosis | | Pelvis, Dilatation | 2 | Renal Tubule, Accumulation, Hyaline | | Droplet | 2 3 2 | Renal Tubule, Dilatation | 3 2 2 | Renal Tubule, Pigmentation | 2 1 2 2 3 3 2 3 2 2 3 3 | Renal Tubule, Vacuolization | | Cytoplasmic | | |__________________________________________________________________________| Urethra | + | Inflammation, Focal | 3 | |__________________________________________________________________________| Urinary Bladder | + + M + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | | Inflammation, Chronic | | Transitional Epithelium, Hyperplasia | | __________________________________________|__________________________________________________________________________ Page 121 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 4| 5| 5| 6| 4| 4| 3| 5| 6| 4| | | DAY ON TEST | 1| 9| 7| 2| 3| 9| 6| 6| 1| 6| | | | 0| 2| 2| 4| 4| 7| 5| 7| 9| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | 2500 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Gallbladder | A + + + + + A + + A | 31 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + A + + + + + + A | 46 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + A + + + + + + A | 46 | |__________________________________________________________________________|____________| Intestine Large, Cecum | A + A + + + + + + A | 36 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | A + A + + + + + + A | 40 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | A + A + + + A + + A | 35 | |__________________________________________________________________________|____________| Intestine Small, Ileum | A + A + + + + + + A | 35 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + A | 57 | Angiectasis | | 2 1.5| Basophilic Focus | X | 4 | Eosinophilic Focus | | 1 | Fibrosis, Focal | | 1 1.0| Infiltration Cellular, Mixed Cell | 3 2 2 2 | 24 2.3| Inflammation, Chronic, Focal | 2 | 1 2.0| Necrosis | 2 1 | 27 1.9| Hepatocyte, Syncytial Alteration, | | | Focal | 1 1 1 2 1 1 1 | 43 1.2| Hepatocyte, Vacuolization | | | Cytoplasmic, Focal | 1 | 2 1.0| Hepatocyte, Centrilobular, Fatty | | | Change | 3 | 5 2.8| |__________________________________________________________________________|____________| Mesentery | + + + + + + + | 42 | Inflammation, Chronic, Focal | | 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 122 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 4| 5| 5| 6| 4| 4| 3| 5| 6| 4| | | DAY ON TEST | 1| 9| 7| 2| 3| 9| 6| 6| 1| 6| | | | 0| 2| 2| 4| 4| 7| 5| 7| 9| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | 2500 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Inflammation, Chronic | | 2 3.0| Fat, Necrosis | | 1 2.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + A | 59 | Acinus, Atrophy, Focal | | 1 1.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + A | 58 | Inflammation, Focal | | 3 1.7| Necrosis, Focal | | 1 2.0| Ulcer | 2 | 3 2.0| Epithelium, Hyperplasia | 2 | 6 1.8| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 53 | Erosion | | 2 1.5| Pigmentation, Focal | | 1 1.0| |__________________________________________________________________________|____________| Tooth | + | 2 | Peridontal Tissue, Inflammation, | | | Chronic | | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Infiltration Cellular, Mixed Cell | | 3 1.3| Inflammation, Chronic, Focal | 2 | 4 2.3| Mineralization | 2 | 2 2.0| Thrombosis | | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + A | 58 | Fibrosis | | 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 123 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 4| 5| 5| 6| 4| 4| 3| 5| 6| 4| | | DAY ON TEST | 1| 9| 7| 2| 3| 9| 6| 6| 1| 6| | | | 0| 2| 2| 4| 4| 7| 5| 7| 9| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | 2500 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | |__________________________________________________________________________|____________| Adrenal Medulla | + + + + I + + + + A | 56 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + A | 59 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + | 57 | Cyst | | 1 3.0| |__________________________________________________________________________|____________| Pituitary Gland | + + M M + + + + + + | 50 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 59 | Degeneration, Cystic, Focal | | 3 1.3| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Tissue NOS | | 2 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Coagulating Gland | + | 2 | Inflammation, Chronic | 4 | 1 4.0| |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + | 59 | Degeneration, Cystic | 3 | 16 3.0| Inflammation, Chronic | | 1 3.0| |__________________________________________________________________________|____________| Prostate | + I + + + + + + + + | 57 | Inflammation, Chronic | 4 4 | 7 3.0| |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + | 60 | Congestion | | 1 2.0| Dilatation | | 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 124 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 4| 5| 5| 6| 4| 4| 3| 5| 6| 4| | | DAY ON TEST | 1| 9| 7| 2| 3| 9| 6| 6| 1| 6| | | | 0| 2| 2| 4| 4| 7| 5| 7| 9| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | 2500 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | Inflammation, Chronic | | 1 3.0| |__________________________________________________________________________|____________| Testes | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Hemorrhage, Focal | | 1 3.0| Hyperplasia | 3 | 2 2.5| Erythroid Cell, Depletion Cellular | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node | + + | 7 | Iliac, Hematopoietic Cell | | | Proliferation | | 1 3.0| Iliac, Hyperplasia | 3 | 1 3.0| Mediastinal, Hemorrhage | | 3 3.0| Mediastinal, Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + M M + + + | 50 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + | 56 | Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + A | 58 | Depletion Cellular | | 2 3.5| Hematopoietic Cell Proliferation | 4 3 3 3 3 4 3 4 | 49 3.6| |__________________________________________________________________________|____________| Thymus | + + I M + + + + + + | 45 | Atrophy | 3 | 3 2.3| Cyst | | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M | | _____________________________________________________________________________________________________________________|____________| * : 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 125 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 4| 5| 5| 6| 4| 4| 3| 5| 6| 4| | | DAY ON TEST | 1| 9| 7| 2| 3| 9| 6| 6| 1| 6| | | | 0| 2| 2| 4| 4| 7| 5| 7| 9| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | 2500 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| INTEGUMENTARY SYSTEM - cont | | | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Prepuce, Subcutaneous Tissue, | | | Inflammation, Suppurative | 4 | 1 4.0| Subcutaneous Tissue, Edema | 3 | 14 2.6| Subcutaneous Tissue, Hemorrhage, | | | Focal | | 1 4.0| Subcutaneous Tissue, Inflammation, | | | Chronic, Focal | | 1 3.0| Subcutaneous Tissue, Necrosis | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Skeletal Muscle | + + + + + + + + | 35 | Hemorrhage, Focal | 3 | 2 2.5| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Peripheral Nerve | + | 3 | |__________________________________________________________________________|____________| Spinal Cord | + | 3 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Congestion | | 1 3.0| Cyst | | 1 2.0| Hemorrhage | 2 | 1 2.0| Infiltration Cellular, | | | Polymorphonuclear | | 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 126 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 4| 5| 5| 6| 4| 4| 3| 5| 6| 4| | | DAY ON TEST | 1| 9| 7| 2| 3| 9| 6| 6| 1| 6| | | | 0| 2| 2| 4| 4| 7| 5| 7| 9| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | 2500 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Infiltration Cellular, Mixed Cell | 2 | 9 2.1| Alveolar Epithelium, Hyperplasia | | 1 1.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Pleura | | 1 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | | 1 | Inflammation, Chronic | | 1 4.0| Cornea, Necrosis, Focal | | 1 4.0| |__________________________________________________________________________|____________| Harderian Gland | | 3 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 58 | Atrophy | | 1 4.0| Cyst | 2 | 1 2.0| Infiltration Cellular, Mixed Cell | | 1 2.0| Inflammation, Chronic | | 1 3.0| Inflammation, Suppurative | 3 3 | 3 2.3| Metaplasia, Focal, Osseous | | 1 1.0| Nephropathy | 1 1 2 1 2 1 | 34 1.3| Papilla, Necrosis | 3 | 1 3.0| Pelvis, Dilatation | 2 | 2 2.0| Renal Tubule, Accumulation, Hyaline | | | Droplet | 2 | 5 2.0| Renal Tubule, Dilatation | 3 | 4 2.5| Renal Tubule, Pigmentation | 2 2 2 3 3 2 | 32 2.3| Renal Tubule, Vacuolization | | | _____________________________________________________________________________________________________________________|____________| * : 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 127 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 4| 5| 5| 6| 4| 4| 3| 5| 6| 4| | | DAY ON TEST | 1| 9| 7| 2| 3| 9| 6| 6| 1| 6| | | | 0| 2| 2| 4| 4| 7| 5| 7| 9| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | 2500 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM - cont | | | Cytoplasmic | 3 | 1 3.0| |__________________________________________________________________________|____________| Urethra | | 1 | Inflammation, Focal | | 1 3.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 59 | Calculus Micro Observation Only | 3 | 1 3.0| Inflammation, Chronic | | 1 3.0| Transitional Epithelium, Hyperplasia | 3 | 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 128 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 3| 3| 3| 4| 3| 3| 4| 3| 4| 2| 4| 4| 3| 3| 4| 3| 4| 3| 3| 3| 2| 3| 3| 3| 3| DAY ON TEST | 9| 9| 7| 0| 8| 7| 1| 7| 0| 7| 2| 4| 6| 7| 1| 9| 0| 9| 6| 9| 9| 9| 7| 9| 6| | 4| 6| 1| 3| 6| 6| 4| 5| 8| 7| 0| 9| 5| 5| 4| 2| 9| 2| 8| 4| 5| 1| 4| 3| 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| B6C3F1 MICE 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 | 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| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | A A + + M A A + A + + + + + + + + + + A + + A I +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + A + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + A + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | A + + + + + A + A + + + + + + + + + + A A + A + +| |__________________________________________________________________________| Intestine Small, Duodenum | A + + + A A A + A + + + + + + + + + + A A + A + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + A A A + A + + + + + + + + + + A A + A + +| |__________________________________________________________________________| Intestine Small, Ileum | A + + + A A A + A + + A + + + + + + + + A + A + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Eosinophilic Focus | | Infiltration Cellular, Mixed Cell | 2 2 1 1 2 1 2 2 2 3 1 2 | Necrosis | 2 1 1 1 1 2 2 1 1 | Artery, Angiectasis | 2 | Artery, Inflammation, Chronic | 3 | Hepatocyte, Syncytial Alteration, | | Focal | 1 2 1 1 2 2 2 2 1 2 1 1 1 2 2| Hepatocyte, Vacuolization | | Cytoplasmic, Focal | 1 | Hepatocyte, Periportal, Atrophy | | Hepatocyte, Centrilobular, Depletion | | Glycogen | 3 | Hepatocyte, Centrilobular, Fatty | | Change | 2 | Hepatocyte, Midzonal, Fatty Change | | Oval Cell, Hyperplasia | 1| |__________________________________________________________________________| Mesentery | + + + + + + + + + + + + + + + +| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 129 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 3| 3| 3| 4| 3| 3| 4| 3| 4| 2| 4| 4| 3| 3| 4| 3| 4| 3| 3| 3| 2| 3| 3| 3| 3| DAY ON TEST | 9| 9| 7| 0| 8| 7| 1| 7| 0| 7| 2| 4| 6| 7| 1| 9| 0| 9| 6| 9| 9| 9| 7| 9| 6| | 4| 6| 1| 3| 6| 6| 4| 5| 8| 7| 0| 9| 5| 5| 4| 2| 9| 2| 8| 4| 5| 1| 4| 3| 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| B6C3F1 MICE 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 | 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| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Focal | | Ulcer | | Epithelium, Hyperplasia | 1 | |__________________________________________________________________________| Stomach, Glandular | A + + + + + + + + + + + + + + + + + + + A + + + +| Inflammation, Focal | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | 2 | Inflammation, Chronic, Focal | | Mineralization | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic, Focal | | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + I + + + + + + + + + + + + + + M + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + I I + + + + M + + + + + + M M + + I + +| Pars Distalis, Hyperplasia, Focal | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | + +| __________________________________________|__________________________________________________________________________| Page 130 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 3| 3| 3| 4| 3| 3| 4| 3| 4| 2| 4| 4| 3| 3| 4| 3| 4| 3| 3| 3| 2| 3| 3| 3| 3| DAY ON TEST | 9| 9| 7| 0| 8| 7| 1| 7| 0| 7| 2| 4| 6| 7| 1| 9| 0| 9| 6| 9| 9| 9| 7| 9| 6| | 4| 6| 1| 3| 6| 6| 4| 5| 8| 7| 0| 9| 5| 5| 4| 2| 9| 2| 8| 4| 5| 1| 4| 3| 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| B6C3F1 MICE 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 | 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| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| GENERAL BODY SYSTEM - cont | | Pelvic, Inflammation, Chronic, Focal | 2| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Coagulating Gland | + | Inflammation, Chronic | 2 | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 3 | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + M + + +| Inflammation, Chronic | 3 3 | |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Inflammation, Suppurative | | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + M + + + + + + + + + + + M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + M + + + + + + + + + + + + + + M + + + +| |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 4 4 3 4 3 3 3 3 3 3 4 3 4 3 4 4 3 4 4 4 3 4 4 3 3| |__________________________________________________________________________| Thymus | + + + + + + + + + + + M + + M + + + + + + + + + +| Atrophy | 3 3 2 3| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | __________________________________________|__________________________________________________________________________| Page 131 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 3| 3| 3| 4| 3| 3| 4| 3| 4| 2| 4| 4| 3| 3| 4| 3| 4| 3| 3| 3| 2| 3| 3| 3| 3| DAY ON TEST | 9| 9| 7| 0| 8| 7| 1| 7| 0| 7| 2| 4| 6| 7| 1| 9| 0| 9| 6| 9| 9| 9| 7| 9| 6| | 4| 6| 1| 3| 6| 6| 4| 5| 8| 7| 0| 9| 5| 5| 4| 2| 9| 2| 8| 4| 5| 1| 4| 3| 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| B6C3F1 MICE 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 | 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| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | |__________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Edema | 2 2 2 2 2 2 2 | Subcutaneous Tissue, Hemorrhage, | | Focal | 2 | Subcutaneous Tissue, Inflammation, | | Chronic, Focal | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage, Focal | 2 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Peripheral Nerve | + + + + + +| |__________________________________________________________________________| Spinal Cord | + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hemorrhage | 1 2 2 | Hyperplasia, Histiocytic | 1 | Infiltration Cellular, Mixed Cell | 3 3 | Alveolar Epithelium, Hyperplasia | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 132 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 3| 3| 3| 4| 3| 3| 4| 3| 4| 2| 4| 4| 3| 3| 4| 3| 4| 3| 3| 3| 2| 3| 3| 3| 3| DAY ON TEST | 9| 9| 7| 0| 8| 7| 1| 7| 0| 7| 2| 4| 6| 7| 1| 9| 0| 9| 6| 9| 9| 9| 7| 9| 6| | 4| 6| 1| 3| 6| 6| 4| 5| 8| 7| 0| 9| 5| 5| 4| 2| 9| 2| 8| 4| 5| 1| 4| 3| 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| B6C3F1 MICE 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 | 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| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Lacrimal Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 1 | Nephropathy | 1 1 1 1 1 2 | Renal Tubule, Accumulation, Hyaline | | Droplet | 2 1 | Renal Tubule, Necrosis | | Renal Tubule, Pigmentation | 2 3 3 2 2 2 2 2 1 3 2 2 2 1 2| |__________________________________________________________________________| Urethra | + +| Inflammation, Focal | 2 3| |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 133 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 4| 2| 4| 4| 4| 3| 4| 3| 3| 4| 4| 3| 3| 4| 3| 3| 3| 3| 3| 4| 4| 3| 4| 4| 4| DAY ON TEST | 4| 9| 0| 2| 5| 7| 0| 0| 9| 0| 1| 2| 6| 0| 8| 9| 7| 5| 5| 0| 0| 3| 1| 0| 0| | 0| 7| 6| 2| 0| 2| 3| 2| 2| 1| 4| 6| 8| 9| 0| 1| 5| 0| 8| 8| 6| 9| 4| 8| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | A A + + A + + + + M + + + + A A + A M + + + + A A| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + A + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + A + + + + + + + A + + + + + + A| |__________________________________________________________________________| Intestine Large, Cecum | A + + + A + + + + A + + + + A + + A + + + + + A A| |__________________________________________________________________________| Intestine Small, Duodenum | A A + + + + + + A A + + + + + A + A + + + + + A +| |__________________________________________________________________________| Intestine Small, Jejunum | A + + + + + + + A A + + + + A A + A + + + + + A A| |__________________________________________________________________________| Intestine Small, Ileum | A + + + A + + + A A + + + + + A + A + + + M + A A| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Eosinophilic Focus | | Infiltration Cellular, Mixed Cell | 1 3 3 1 3 2 1 1 1 1 2 | Necrosis | 2 2 2 1 2 1 1 3 1 1 1 2 1 1 1 2 1| Artery, Angiectasis | | Artery, Inflammation, Chronic | | Hepatocyte, Syncytial Alteration, | | Focal | 1 1 2 2 2 2 2 1 1 2 1 1 2 1 1 1| Hepatocyte, Vacuolization | | Cytoplasmic, Focal | | Hepatocyte, Periportal, Atrophy | | Hepatocyte, Centrilobular, Depletion | | Glycogen | 3 3 | Hepatocyte, Centrilobular, Fatty | | Change | | Hepatocyte, Midzonal, Fatty Change | 2 | Oval Cell, Hyperplasia | | |__________________________________________________________________________| Mesentery | + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 134 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 4| 2| 4| 4| 4| 3| 4| 3| 3| 4| 4| 3| 3| 4| 3| 3| 3| 3| 3| 4| 4| 3| 4| 4| 4| DAY ON TEST | 4| 9| 0| 2| 5| 7| 0| 0| 9| 0| 1| 2| 6| 0| 8| 9| 7| 5| 5| 0| 0| 3| 1| 0| 0| | 0| 7| 6| 2| 0| 2| 3| 2| 2| 1| 4| 6| 8| 9| 0| 1| 5| 0| 8| 8| 6| 9| 4| 8| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Pancreas | + + + + + + + + + + + + + + + A + + + + + + + + A| |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Focal | 1 | Ulcer | 1 | Epithelium, Hyperplasia | 1 1 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + A + + + + + + A + + + + + + + + +| Inflammation, Focal | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | | Inflammation, Chronic, Focal | 2 | Mineralization | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic, Focal | 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + A| |__________________________________________________________________________| Parathyroid Gland | + M + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + M + + + I + + + + + + + + + I + I + + + M| Pars Distalis, Hyperplasia, Focal | 2 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | + | __________________________________________|__________________________________________________________________________| Page 135 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 4| 2| 4| 4| 4| 3| 4| 3| 3| 4| 4| 3| 3| 4| 3| 3| 3| 3| 3| 4| 4| 3| 4| 4| 4| DAY ON TEST | 4| 9| 0| 2| 5| 7| 0| 0| 9| 0| 1| 2| 6| 0| 8| 9| 7| 5| 5| 0| 0| 3| 1| 0| 0| | 0| 7| 6| 2| 0| 2| 3| 2| 2| 1| 4| 6| 8| 9| 0| 1| 5| 0| 8| 8| 6| 9| 4| 8| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| GENERAL BODY SYSTEM - cont | | Pelvic, Inflammation, Chronic, Focal | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Coagulating Gland | | Inflammation, Chronic | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + M + + +| Inflammation, Chronic | 3 3| |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Inflammation, Suppurative | 4 | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + M + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + M + M + + + + + + + + + + + + + + + + + M| |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 4 3 4 4 3 3 3 3 4 4 4 4 3 3 3 4 4 3 4 3 4 3 3 3 3| |__________________________________________________________________________| Thymus | + + + + M + + + + + + + + + + + + + I + + + + + +| Atrophy | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | __________________________________________|__________________________________________________________________________| Page 136 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 4| 2| 4| 4| 4| 3| 4| 3| 3| 4| 4| 3| 3| 4| 3| 3| 3| 3| 3| 4| 4| 3| 4| 4| 4| DAY ON TEST | 4| 9| 0| 2| 5| 7| 0| 0| 9| 0| 1| 2| 6| 0| 8| 9| 7| 5| 5| 0| 0| 3| 1| 0| 0| | 0| 7| 6| 2| 0| 2| 3| 2| 2| 1| 4| 6| 8| 9| 0| 1| 5| 0| 8| 8| 6| 9| 4| 8| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | |__________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Edema | 2 2 2 2 2 2 2 2 3 3 3 2 | Subcutaneous Tissue, Hemorrhage, | | Focal | 2 | Subcutaneous Tissue, Inflammation, | | Chronic, Focal | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + | Hemorrhage, Focal | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Peripheral Nerve | + + + + + | |__________________________________________________________________________| Spinal Cord | + + + + + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3| Hemorrhage | 3 4 | Hyperplasia, Histiocytic | | Infiltration Cellular, Mixed Cell | | Alveolar Epithelium, Hyperplasia | 1 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 137 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 _____________________________________________________________________________________________________________________ | 4| 2| 4| 4| 4| 3| 4| 3| 3| 4| 4| 3| 3| 4| 3| 3| 3| 3| 3| 4| 4| 3| 4| 4| 4| DAY ON TEST | 4| 9| 0| 2| 5| 7| 0| 0| 9| 0| 1| 2| 6| 0| 8| 9| 7| 5| 5| 0| 0| 3| 1| 0| 0| | 0| 7| 6| 2| 0| 2| 3| 2| 2| 1| 4| 6| 8| 9| 0| 1| 5| 0| 8| 8| 6| 9| 4| 8| 5| __________________________________________|__________________________________________________________________________| | 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| B6C3F1 MICE 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| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 5000 PPM | 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| | 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| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Lacrimal Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Nephropathy | 1 1 1 1 1 1 1 3 1 1 | Renal Tubule, Accumulation, Hyaline | | Droplet | 1 | Renal Tubule, Necrosis | 3 3 | Renal Tubule, Pigmentation | 2 3 3 2 2 2 1 1 3 3 3 3 2 3| |__________________________________________________________________________| Urethra | | Inflammation, Focal | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 138 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 3| 3| 3| 4| 3| 4| 3| 4| 4| 4| | | DAY ON TEST | 5| 6| 4| 0| 1| 2| 9| 6| 1| 2| | | | 4| 8| 5| 9| 2| 7| 1| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | 5000 PPM | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Gallbladder | A M M + + + + M A M | 35 | |__________________________________________________________________________|____________| Intestine Large, Colon | A A + + + + + A + + | 54 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + A + + + + + A + + | 54 | |__________________________________________________________________________|____________| Intestine Large, Cecum | A A + + + + + A + + | 44 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | A A A + + + + + + + | 42 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | A A A + + + + A A + | 40 | |__________________________________________________________________________|____________| Intestine Small, Ileum | A A A + + + + A + + | 39 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Angiectasis | | 1 2.0| Eosinophilic Focus | X | 1 | Infiltration Cellular, Mixed Cell | 2 1 1 2 2 3 | 29 1.8| Necrosis | 1 2 1 3 | 30 1.5| Artery, Angiectasis | | 1 2.0| Artery, Inflammation, Chronic | | 1 3.0| Hepatocyte, Syncytial Alteration, | | | Focal | 1 1 1 1 2 1 1 1 | 39 1.4| Hepatocyte, Vacuolization | | | Cytoplasmic, Focal | | 1 1.0| Hepatocyte, Periportal, Atrophy | 2 | 1 2.0| Hepatocyte, Centrilobular, Depletion | | | Glycogen | | 3 3.0| Hepatocyte, Centrilobular, Fatty | | | Change | | 1 2.0| Hepatocyte, Midzonal, Fatty Change | | 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 139 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 3| 3| 3| 4| 3| 4| 3| 4| 4| 4| | | DAY ON TEST | 5| 6| 4| 0| 1| 2| 9| 6| 1| 2| | | | 4| 8| 5| 9| 2| 7| 1| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | 5000 PPM | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Oval Cell, Hyperplasia | 2 | 2 1.5| |__________________________________________________________________________|____________| Mesentery | + + + + + | 38 | |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 58 | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 60 | Inflammation, Focal | | 1 1.0| Ulcer | | 1 1.0| Epithelium, Hyperplasia | | 3 1.0| |__________________________________________________________________________|____________| Stomach, Glandular | + A + + + + + + + + | 55 | Inflammation, Focal | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Infiltration Cellular, Mixed Cell | | 1 2.0| Inflammation, Chronic, Focal | | 1 2.0| Mineralization | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 60 | Inflammation, Chronic, Focal | | 1 2.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 59 | |__________________________________________________________________________|____________| Parathyroid Gland | + M + + + + + + + + | 56 | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : 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 140 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 3| 3| 3| 4| 3| 4| 3| 4| 4| 4| | | DAY ON TEST | 5| 6| 4| 0| 1| 2| 9| 6| 1| 2| | | | 4| 8| 5| 9| 2| 7| 1| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | 5000 PPM | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Pituitary Gland | + M I + + + + + M + | 46 | Pars Distalis, Hyperplasia, Focal | | 1 2.0| |__________________________________________________________________________|____________| Thyroid Gland | + I + + + + + + + + | 59 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Tissue NOS | | 3 | Pelvic, Inflammation, Chronic, Focal | | 1 2.0| _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Coagulating Gland | | 1 | Inflammation, Chronic | | 1 2.0| |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + | 60 | Degeneration, Cystic | | 1 3.0| |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + | 58 | Inflammation, Chronic | | 4 3.0| |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + | 60 | Congestion | 3 | 1 3.0| Inflammation, Suppurative | | 1 4.0| |__________________________________________________________________________|____________| Testes | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Lymph Node | | 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 141 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 3| 3| 3| 4| 3| 4| 3| 4| 4| 4| | | DAY ON TEST | 5| 6| 4| 0| 1| 2| 9| 6| 1| 2| | | | 4| 8| 5| 9| 2| 7| 1| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | 5000 PPM | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + M M + + + + M + + | 54 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + M + + + + M + + | 53 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 60 | Hematopoietic Cell Proliferation | 2 4 3 3 4 3 3 4 4 4 | 60 3.5| |__________________________________________________________________________|____________| Thymus | + + + + + + M I + + | 54 | Atrophy | 3 | 6 2.8| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M | | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Subcutaneous Tissue, Edema | 2 3 2 | 22 2.2| Subcutaneous Tissue, Hemorrhage, | | | Focal | | 2 2.0| Subcutaneous Tissue, Inflammation, | | | Chronic, Focal | 2 | 2 2.5| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Skeletal Muscle | + + + + + + + | 47 | Hemorrhage, Focal | | 2 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Peripheral Nerve | + | 12 | _____________________________________________________________________________________________________________________|____________| * : 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 142 NTP Experiment-Test: 05203-09 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC O-NITROTOLUENE Date: 11/16/00 Route: DOSED FEED Time: 10:07:14 __________________________________________________________________________________________________________________________________ | 3| 3| 3| 4| 3| 4| 3| 4| 4| 4| | | DAY ON TEST | 5| 6| 4| 0| 1| 2| 9| 6| 1| 2| | | | 4| 8| 5| 9| 2| 7| 1| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | 5000 PPM | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| NERVOUS SYSTEM - cont | | | |__________________________________________________________________________|____________| Spinal Cord | + | 12 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Congestion | | 1 3.0| Hemorrhage | | 5 2.4| Hyperplasia, Histiocytic | | 1 1.0| Infiltration Cellular, Mixed Cell | 3 | 3 3.0| Alveolar Epithelium, Hyperplasia | | 1 1.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Lacrimal Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 60 | Cyst | | 1 1.0| Nephropathy | 1 1 | 18 1.2| Renal Tubule, Accumulation, Hyaline | | | Droplet | | 3 1.3| Renal Tubule, Necrosis | | 2 3.0| Renal Tubule, Pigmentation | 2 1 3 2 2 2 | 35 2.2| |__________________________________________________________________________|____________| Urethra | | 2 | Inflammation, Focal | | 2 2.5| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 60 | __________________________________________________________________________________________________________________________________ * : 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 143 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------