TDMS Study 96007-04 Pathology Tables
NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 FINAL#4/RATS Facility: Battelle Columbus Laboratory Chemical CAS #: TEFDIOXINMIX Lock Date: 09/12/01 Cage Range: All Reasons For Removal: 25018 Dosing Accident 25019 Moribund Sacrifice 25020 Natural Death 25021 Terminal Sacrifice Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 6| 5| 6| 4| 5| 5| 6| 2| 6| 7| 7| 1| 6| 6| 7| 6| 6| 4| 7| 5| 7| 3| 7| 2| 4| DAY ON TEST | 6| 4| 9| 5| 2| 0| 2| 7| 6| 3| 2| 7| 6| 2| 3| 4| 2| 4| 2| 7| 2| 8| 3| 1| 1| | 8| 0| 3| 6| 6| 0| 6| 6| 6| 0| 3| 6| 8| 5| 0| 5| 7| 4| 9| 5| 9| 7| 0| 8| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| TERT.MIX | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| CONTROL | 1| 2| 3| 4| 5| 3| 5| 7| 8| 9| 0| 1| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + M + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 1 | Basophilic Focus | X X X X X | Basophilic Focus, Multiple | X X X X X X | Clear Cell Focus, Multiple | | Degeneration, Cystic | | Eosinophilic Focus | X | Eosinophilic Focus, Multiple | | Fatty Change, Diffuse | 3 | Fatty Change, Focal | 2 1| Hematopoietic Cell Proliferation | 1 1 1 1 1 1 1 1 1 | Inflammation | 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Mixed Cell Focus | X X | Mixed Cell Focus, Multiple | X X X X X X | Necrosis | 1 | Pigmentation | | Bile Duct, Cyst | 3 | Bile Duct, Dilatation | | Bile Duct, Fibrosis | 1 | Bile Duct, Hyperplasia | | Centrilobular, Degeneration | 1 | Hepatocyte, Hypertrophy | 1 | __________________________________________|__________________________________________________________________________| Page 2 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 6| 5| 6| 4| 5| 5| 6| 2| 6| 7| 7| 1| 6| 6| 7| 6| 6| 4| 7| 5| 7| 3| 7| 2| 4| DAY ON TEST | 6| 4| 9| 5| 2| 0| 2| 7| 6| 3| 2| 7| 6| 2| 3| 4| 2| 4| 2| 7| 2| 8| 3| 1| 1| | 8| 0| 3| 6| 6| 0| 6| 6| 6| 0| 3| 6| 8| 5| 0| 5| 7| 4| 9| 5| 9| 7| 0| 8| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| TERT.MIX | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| CONTROL | 1| 2| 3| 4| 5| 3| 5| 7| 8| 9| 0| 1| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Serosa, Inflammation, Chronic | | |__________________________________________________________________________| Oral Mucosa | + + + + + + | Gingival, Hyperplasia, Squamous | 1 2 1 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration | | Inflammation, Chronic Active | 2 1 | Acinus, Atrophy | 1 | Acinus, Hyperplasia | | Acinus, Vacuolization Cytoplasmic | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Inflammation | 1 | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | Hyperplasia, Squamous | 2 | Inflammation | | Mineralization | | Ulcer | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion | | Mineralization | | |__________________________________________________________________________| Tongue | + | |__________________________________________________________________________| Tooth | + + + + + + + +| Peridontal Tissue, Inflammation | 1 1 2 1 1 2 1 1| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1| __________________________________________|__________________________________________________________________________| Page 3 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 6| 5| 6| 4| 5| 5| 6| 2| 6| 7| 7| 1| 6| 6| 7| 6| 6| 4| 7| 5| 7| 3| 7| 2| 4| DAY ON TEST | 6| 4| 9| 5| 2| 0| 2| 7| 6| 3| 2| 7| 6| 2| 3| 4| 2| 4| 2| 7| 2| 8| 3| 1| 1| | 8| 0| 3| 6| 6| 0| 6| 6| 6| 0| 3| 6| 8| 5| 0| 5| 7| 4| 9| 5| 9| 7| 0| 8| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| TERT.MIX | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| CONTROL | 1| 2| 3| 4| 5| 3| 5| 7| 8| 9| 0| 1| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | Inflammation, Suppurative | | Thrombosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 1 1 2 1 2 | Degeneration, Cystic | 2 3 3 | Hyperplasia | 1 2 2 3 | Hypertrophy | 2 2 2 2 3 2 4 3 2 2 1 1 2 2 3 1 2 1 | Necrosis | | Vacuolization Cytoplasmic | 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 3 2 2 3| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + M + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 1 | Cyst | | Hemorrhage | 2 | Pars Distalis, Hyperplasia | 3 2 3 3 3 3 3 2 2 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 2 1 3 2 3 3 1 2 | Follicular Cell, Hyperplasia | | Follicular Cell, Hypertrophy | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 1 2 2 2 2 2 1 1 1 2 1 2 2 2 1 1 1 2 2 2 1 2| __________________________________________|__________________________________________________________________________| Page 4 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 6| 5| 6| 4| 5| 5| 6| 2| 6| 7| 7| 1| 6| 6| 7| 6| 6| 4| 7| 5| 7| 3| 7| 2| 4| DAY ON TEST | 6| 4| 9| 5| 2| 0| 2| 7| 6| 3| 2| 7| 6| 2| 3| 4| 2| 4| 2| 7| 2| 8| 3| 1| 1| | 8| 0| 3| 6| 6| 0| 6| 6| 6| 0| 3| 6| 8| 5| 0| 5| 7| 4| 9| 5| 9| 7| 0| 8| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| TERT.MIX | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| CONTROL | 1| 2| 3| 4| 5| 3| 5| 7| 8| 9| 0| 1| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Duct, Cyst | 1 3 3 2 3 3 3 3 2 3 2 2 2 3 3 2 1 2| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 3 4| Cyst | 3 2 2 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Chronic Active | 2 | Inflammation, Suppurative | 2 1 | Metaplasia, Squamous | 2 2 2 2 2 4 2 1 2 2 2 1 | Cervix, Hyperplasia, Stromal | 4 | Endometrium, Hyperplasia, Cystic | 3 2 1 1 1 2 1 1 1 1 2 3 2 2 1 1 1| Epithelium, Necrosis | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 4 4 3 3 4 3 4 3 3 3 3 3 4 4 3| |__________________________________________________________________________| Lymph Node | | Lumbar, Hyperplasia, Plasma Cell | | Pancreatic, Ectasia | | Renal, Hyperplasia, Histiocytic | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Plasma Cell | 2 2 2 2 2 3 2 2 2 3 2 2 2 2 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 2 | Hemorrhage | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 3 2 2 2 3 2 1 3 1 3 3 2 2 1 1 3 1 1 1| Necrosis | | Pigmentation | 1 1 1 1 3 1 2 2 3 1 2 2 2 1 1 2 1 1 2 1 2| Lymphoid Follicle, Atrophy | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 5 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 6| 5| 6| 4| 5| 5| 6| 2| 6| 7| 7| 1| 6| 6| 7| 6| 6| 4| 7| 5| 7| 3| 7| 2| 4| DAY ON TEST | 6| 4| 9| 5| 2| 0| 2| 7| 6| 3| 2| 7| 6| 2| 3| 4| 2| 4| 2| 7| 2| 8| 3| 1| 1| | 8| 0| 3| 6| 6| 0| 6| 6| 6| 0| 3| 6| 8| 5| 0| 5| 7| 4| 9| 5| 9| 7| 0| 8| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| TERT.MIX | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| CONTROL | 1| 2| 3| 4| 5| 3| 5| 7| 8| 9| 0| 1| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Thymus | + + + + + + M + + + + + + + + + + + + + + + + + +| Atrophy | 2 2 2 3 2 3 2 3 4 2 2 2 1 2 | Cyst | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 1 1 1 1 1 1 3 1| Inflammation, Granulomatous | 1 1 2 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Gliosis | 3 | Hydrocephalus | | Mineralization | 2 | |__________________________________________________________________________| Peripheral Nerve | | |__________________________________________________________________________| Spinal Cord | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 3 1 2 3 2 2 2 2 1 1 1 1 2 2 1 2 1 1 1| Inflammation | 2 1 | Metaplasia, Squamous | | Alveolar Epithelium, Hyperplasia | 2 1 1 1 1 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 6 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 6| 5| 6| 4| 5| 5| 6| 2| 6| 7| 7| 1| 6| 6| 7| 6| 6| 4| 7| 5| 7| 3| 7| 2| 4| DAY ON TEST | 6| 4| 9| 5| 2| 0| 2| 7| 6| 3| 2| 7| 6| 2| 3| 4| 2| 4| 2| 7| 2| 8| 3| 1| 1| | 8| 0| 3| 6| 6| 0| 6| 6| 6| 0| 3| 6| 8| 5| 0| 5| 7| 4| 9| 5| 9| 7| 0| 8| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| TERT.MIX | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| CONTROL | 1| 2| 3| 4| 5| 3| 5| 7| 8| 9| 0| 1| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Retina, Atrophy | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 1 2 1 1 1 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | 2 1 | Inflammation, Chronic Active | | Inflammation, Suppurative | | Mineralization | 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1| Nephropathy | 1 1 1 1 1 1 1 1 2 1 2| Pelvis, Dilatation | | Pelvis, Inflammation | | Renal Tubule, Necrosis | 2 | Transitional Epithelium, Hyperplasia | | |__________________________________________________________________________| Ureter | | Cyst | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 1 1 1 1 1 | __________________________________________|__________________________________________________________________________ Page 7 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 6| 7| 7| 6| 7| 5| 6| 7| 5| 7| 4| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 5| 3| 5| 8| 2| 2| 8| 2| 6| 3| 2| 8| 2| 5| 0| 2| 0| 3| 3| 2| 2| 3| 2| 1| | 1| 5| 5| 8| 2| 9| 9| 2| 9| 8| 1| 9| 7| 9| 4| 8| 9| 2| 0| 0| 9| 7| 0| 9| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| TERT.MIX | 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| CONTROL | 6| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 5| 6| 7| 0| 2| 3| 4| 6| 7| 8| 0| 1| 2| 3| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + M + + + + + + + + + + + + + + +| Parasite Metazoan | X | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + M + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + M + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + M + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + M + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Basophilic Focus | X X X X | Basophilic Focus, Multiple | X X X X X X X| Clear Cell Focus, Multiple | X | Degeneration, Cystic | 1 | Eosinophilic Focus | X X X | Eosinophilic Focus, Multiple | X | Fatty Change, Diffuse | 3 | Fatty Change, Focal | 1 | Hematopoietic Cell Proliferation | 2 1 1 1 1 1 | Inflammation | 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1| Mixed Cell Focus | X X | Mixed Cell Focus, Multiple | X X X X X X X X X X | Necrosis | 2 | Pigmentation | 1 2 2 1| Bile Duct, Cyst | | Bile Duct, Dilatation | 1 | Bile Duct, Fibrosis | 2 2 | Bile Duct, Hyperplasia | 1 2 | Centrilobular, Degeneration | 2 | Hepatocyte, Hypertrophy | | __________________________________________|__________________________________________________________________________| Page 8 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 6| 7| 7| 6| 7| 5| 6| 7| 5| 7| 4| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 5| 3| 5| 8| 2| 2| 8| 2| 6| 3| 2| 8| 2| 5| 0| 2| 0| 3| 3| 2| 2| 3| 2| 1| | 1| 5| 5| 8| 2| 9| 9| 2| 9| 8| 1| 9| 7| 9| 4| 8| 9| 2| 0| 0| 9| 7| 0| 9| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| TERT.MIX | 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| CONTROL | 6| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 5| 6| 7| 0| 2| 3| 4| 6| 7| 8| 0| 1| 2| 3| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Serosa, Inflammation, Chronic | 2 | |__________________________________________________________________________| Oral Mucosa | + + + | Gingival, Hyperplasia, Squamous | 2 1 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + M + + + + + + + + + + + + + + +| Degeneration | | Inflammation, Chronic Active | | Acinus, Atrophy | 1 | Acinus, Hyperplasia | 2 1 | Acinus, Vacuolization Cytoplasmic | 1 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 | Inflammation | 3 | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 3 | Hyperplasia, Squamous | 2 2 3 | Inflammation | 2 | Mineralization | 2 | Ulcer | 3 3 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion | 2 | Mineralization | 2 2 | |__________________________________________________________________________| Tongue | | |__________________________________________________________________________| Tooth | + + + + + + + + + + + + + + | Peridontal Tissue, Inflammation | 1 1 1 1 1 1 1 1 1 1 1 1 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 | __________________________________________|__________________________________________________________________________| Page 9 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 6| 7| 7| 6| 7| 5| 6| 7| 5| 7| 4| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 5| 3| 5| 8| 2| 2| 8| 2| 6| 3| 2| 8| 2| 5| 0| 2| 0| 3| 3| 2| 2| 3| 2| 1| | 1| 5| 5| 8| 2| 9| 9| 2| 9| 8| 1| 9| 7| 9| 4| 8| 9| 2| 0| 0| 9| 7| 0| 9| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| TERT.MIX | 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| CONTROL | 6| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 5| 6| 7| 0| 2| 3| 4| 6| 7| 8| 0| 1| 2| 3| __________________________________________|__________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | Inflammation, Suppurative | 3 | Thrombosis | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + M + + + + + + + + + + + + + + +| Angiectasis | 2 2 2 1 2 2 2 1 2 | Degeneration, Cystic | 3 3 3 2 2 | Hyperplasia | 3 3 3 1 2 3 4 3| Hypertrophy | 1 3 1 2 2 2 3 4 3 2 2 2 2 1 2 2 2 2 2 2 3 2 2| Necrosis | 3 3 | Vacuolization Cytoplasmic | 1 2 1 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + M + + + + + + + + + + + + + + +| Hyperplasia | 3 2 2 1 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + M + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + M + + + + + + M + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 1 | Cyst | 2 | Hemorrhage | | Pars Distalis, Hyperplasia | 3 3 2 3 1 1 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 2 2 3 1 3 2 3 2 3 2 2 3 3 | Follicular Cell, Hyperplasia | 1 | Follicular Cell, Hypertrophy | 3 1 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + M + + + + + + + + + + + + + + +| Inflammation | 2 1 1 2 2 2 2 1 2 2 2 2 3 1 3 1 3| __________________________________________|__________________________________________________________________________| Page 10 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 6| 7| 7| 6| 7| 5| 6| 7| 5| 7| 4| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 5| 3| 5| 8| 2| 2| 8| 2| 6| 3| 2| 8| 2| 5| 0| 2| 0| 3| 3| 2| 2| 3| 2| 1| | 1| 5| 5| 8| 2| 9| 9| 2| 9| 8| 1| 9| 7| 9| 4| 8| 9| 2| 0| 0| 9| 7| 0| 9| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| TERT.MIX | 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| CONTROL | 6| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 5| 6| 7| 0| 2| 3| 4| 6| 7| 8| 0| 1| 2| 3| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Duct, Cyst | 3 3 1 1 3 2 4 3 1 2 3 2 1 1 1 3 3 1 3| |__________________________________________________________________________| Ovary | + + + + + + + + + M + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4| Cyst | 3 3 2 3 3 | |__________________________________________________________________________| Uterus | + + + + + + + + + M + + + + + + + + + + + + + + +| Hemorrhage | 3 | Inflammation, Chronic Active | | Inflammation, Suppurative | 3 1 1 3 | Metaplasia, Squamous | 3 2 1 3 1 1 2 3 1 | Cervix, Hyperplasia, Stromal | | Endometrium, Hyperplasia, Cystic | 3 1 2 2 4 2 3 1 1 1 1 2 3 2 2 2 3 3 3| Epithelium, Necrosis | 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 3 4 2 2 2 3 2 4 3 4 4 3 2 3 3 2| |__________________________________________________________________________| Lymph Node | + + + | Lumbar, Hyperplasia, Plasma Cell | 2 | Pancreatic, Ectasia | | Renal, Hyperplasia, Histiocytic | 3 | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Plasma Cell | 2 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + M + + + + + + + + + + + + + + +| Ectasia | | Hemorrhage | 3| |__________________________________________________________________________| Spleen | + + + + + + + + + M + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 3 1 2 1 1 1 2 2 3 2 1 1 1 1 1 3 1 1 1| Necrosis | 3 | Pigmentation | 1 2 1 2 2 1 2 2 1 1 1 1 1 2 1 1 1 1 1 1 2| Lymphoid Follicle, Atrophy | 2 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 11 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 6| 7| 7| 6| 7| 5| 6| 7| 5| 7| 4| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 5| 3| 5| 8| 2| 2| 8| 2| 6| 3| 2| 8| 2| 5| 0| 2| 0| 3| 3| 2| 2| 3| 2| 1| | 1| 5| 5| 8| 2| 9| 9| 2| 9| 8| 1| 9| 7| 9| 4| 8| 9| 2| 0| 0| 9| 7| 0| 9| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| TERT.MIX | 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| CONTROL | 6| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 5| 6| 7| 0| 2| 3| 4| 6| 7| 8| 0| 1| 2| 3| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 3 3 3 2 1 2 2 3 3 1 2 2 2 1 2| Cyst | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 1 2 1 1 1 1 1 1| Inflammation, Granulomatous | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Gliosis | | Hydrocephalus | 1| Mineralization | | |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 3 2 2 1 2 2 1 2 2 2 2 2 2 1 2 3 1 3 2 3 3 3| Inflammation | 1 2 | Metaplasia, Squamous | 2 2 | Alveolar Epithelium, Hyperplasia | 2 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1| |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 12 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 6| 7| 7| 6| 7| 5| 6| 7| 5| 7| 4| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 5| 3| 5| 8| 2| 2| 8| 2| 6| 3| 2| 8| 2| 5| 0| 2| 0| 3| 3| 2| 2| 3| 2| 1| | 1| 5| 5| 8| 2| 9| 9| 2| 9| 8| 1| 9| 7| 9| 4| 8| 9| 2| 0| 0| 9| 7| 0| 9| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| TERT.MIX | 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| CONTROL | 6| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 5| 6| 7| 0| 2| 3| 4| 6| 7| 8| 0| 1| 2| 3| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | + | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Retina, Atrophy | 3 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + M + + + + + + + + + + + + + + +| Calculus Micro Observation Only | 2 2 1 1 2 1| Inflammation, Chronic Active | | Inflammation, Suppurative | 2 1 1 | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Pelvis, Dilatation | 3 | Pelvis, Inflammation | 2 2 | Renal Tubule, Necrosis | | Transitional Epithelium, Hyperplasia | 2 2 2 2 | |__________________________________________________________________________| Ureter | + | Cyst | 3 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + M + + + + + + + + + + + + + + +| Inflammation | 1 1 1 1 | __________________________________________|__________________________________________________________________________ Page 13 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 4| 6| 6| | | DAY ON TEST | 8| 6| 2| | | | 4| 9| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| | A | TERT.MIX | 8| 8| 9| | L | CONTROL | 4| 5| 6| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + | 53 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + | 53 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + | 52 | Parasite Metazoan | | 2 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + | 51 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + | 52 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + | 52 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + | 52 | |__________________________________________________________________________|____________| Liver | + + + | 53 | Angiectasis | | 3 1.7| Basophilic Focus | | 9 | Basophilic Focus, Multiple | X X | 15 | Clear Cell Focus, Multiple | | 1 | Degeneration, Cystic | | 1 1.0| Eosinophilic Focus | | 4 | Eosinophilic Focus, Multiple | | 1 | Fatty Change, Diffuse | 1 | 3 2.3| Fatty Change, Focal | | 3 1.3| Hematopoietic Cell Proliferation | 1 | 16 1.1| Inflammation | 1 1 | 36 1.1| Mixed Cell Focus | | 4 | Mixed Cell Focus, Multiple | X | 17 | Necrosis | 2 | 3 1.7| Pigmentation | | 4 1.5| Bile Duct, Cyst | | 1 3.0| Bile Duct, Dilatation | | 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 14 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 4| 6| 6| | | DAY ON TEST | 8| 6| 2| | | | 4| 9| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| | A | TERT.MIX | 8| 8| 9| | L | CONTROL | 4| 5| 6| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Bile Duct, Fibrosis | | 3 1.7| Bile Duct, Hyperplasia | | 2 1.5| Centrilobular, Degeneration | 2 | 3 1.7| Hepatocyte, Hypertrophy | | 1 1.0| Serosa, Inflammation, Chronic | | 1 2.0| |__________________________________________________________________________|____________| Oral Mucosa | + | 10 | Gingival, Hyperplasia, Squamous | 1 | 8 1.5| |__________________________________________________________________________|____________| Pancreas | + + + | 52 | Degeneration | 2 | 1 2.0| Inflammation, Chronic Active | 2 | 3 1.7| Acinus, Atrophy | 2 | 3 1.3| Acinus, Hyperplasia | | 2 1.5| Acinus, Vacuolization Cytoplasmic | | 1 1.0| |__________________________________________________________________________|____________| Salivary Glands | + + + | 53 | Atrophy | | 1 3.0| Inflammation | | 2 2.0| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + | 53 | Edema | | 1 3.0| Hyperplasia, Squamous | 3 | 5 2.4| Inflammation | 3 | 2 2.5| Mineralization | | 1 2.0| Ulcer | 3 | 3 3.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + | 53 | Erosion | | 1 2.0| Mineralization | | 2 2.0| |__________________________________________________________________________|____________| Tongue | | 1 | |__________________________________________________________________________|____________| Tooth | + + | 24 | _____________________________________________________________________________________________________________________|____________| * : 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: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 4| 6| 6| | | DAY ON TEST | 8| 6| 2| | | | 4| 9| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| | A | TERT.MIX | 8| 8| 9| | L | CONTROL | 4| 5| 6| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Peridontal Tissue, Inflammation | 1 1 | 23 1.1| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + | 53 | |__________________________________________________________________________|____________| Heart | + + + | 53 | Cardiomyopathy | | 11 1.0| Inflammation, Suppurative | | 1 3.0| Thrombosis | | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + | 52 | Angiectasis | | 15 1.7| Degeneration, Cystic | 1 | 9 2.4| Hyperplasia | | 12 2.5| Hypertrophy | 1 2 2 | 44 2.1| Necrosis | | 2 3.0| Vacuolization Cytoplasmic | 1 | 6 1.2| |__________________________________________________________________________|____________| Adrenal Medulla | + + + | 52 | Hyperplasia | | 10 2.2| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + | 52 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + | 50 | |__________________________________________________________________________|____________| Pituitary Gland | + + + | 53 | Angiectasis | | 6 1.7| Cyst | | 1 2.0| Hemorrhage | | 1 2.0| Pars Distalis, Hyperplasia | 3 2 | 18 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 16 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 4| 6| 6| | | DAY ON TEST | 8| 6| 2| | | | 4| 9| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| | A | TERT.MIX | 8| 8| 9| | L | CONTROL | 4| 5| 6| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Thyroid Gland | + + + | 53 | C-Cell, Hyperplasia | 3 | 24 2.3| Follicular Cell, Hyperplasia | | 1 1.0| Follicular Cell, Hypertrophy | | 4 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + M | 51 | Inflammation | 2 | 42 1.7| Duct, Cyst | 3 2 | 39 2.3| |__________________________________________________________________________|____________| Ovary | + + + | 52 | Atrophy | 4 | 44 4.0| Cyst | | 8 2.6| |__________________________________________________________________________|____________| Uterus | + + + | 52 | Hemorrhage | | 1 3.0| Inflammation, Chronic Active | | 1 2.0| Inflammation, Suppurative | | 6 1.8| Metaplasia, Squamous | | 21 2.0| Cervix, Hyperplasia, Stromal | | 1 4.0| Endometrium, Hyperplasia, Cystic | 2 | 37 1.9| Epithelium, Necrosis | | 1 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + | 53 | Hyperplasia | 3 2 3 | 36 3.1| |__________________________________________________________________________|____________| Lymph Node | + | 4 | Lumbar, Hyperplasia, Plasma Cell | | 1 2.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 17 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 4| 6| 6| | | DAY ON TEST | 8| 6| 2| | | | 4| 9| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| | A | TERT.MIX | 8| 8| 9| | L | CONTROL | 4| 5| 6| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Pancreatic, Ectasia | 3 | 1 3.0| Renal, Hyperplasia, Histiocytic | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + | 53 | Hyperplasia, Plasma Cell | 2 | 31 2.1| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 52 | Ectasia | | 1 2.0| Hemorrhage | | 1 3.0| |__________________________________________________________________________|____________| Spleen | + + + | 52 | Hematopoietic Cell Proliferation | 1 3 4 | 43 1.8| Necrosis | | 1 3.0| Pigmentation | 1 1 1 | 45 1.4| Lymphoid Follicle, Atrophy | | 1 2.0| |__________________________________________________________________________|____________| Thymus | + + + | 52 | Atrophy | 4 3 | 32 2.3| Cyst | 3 | 2 2.5| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + | 53 | Hyperplasia | 1 2 | 22 1.2| Inflammation, Granulomatous | | 3 1.3| |__________________________________________________________________________|____________| Skin | + + + | 53 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + | 53 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 18 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 4| 6| 6| | | DAY ON TEST | 8| 6| 2| | | | 4| 9| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| | A | TERT.MIX | 8| 8| 9| | L | CONTROL | 4| 5| 6| | | _____________________________________________________________________________________________________________________|____________| NERVOUS SYSTEM - cont | | | Brain | + + + | 53 | Gliosis | | 1 3.0| Hydrocephalus | | 1 1.0| Mineralization | | 1 2.0| |__________________________________________________________________________|____________| Peripheral Nerve | | 1 | |__________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + | 53 | Infiltration Cellular, Histiocyte | 2 2 | 43 1.9| Inflammation | | 4 1.5| Metaplasia, Squamous | | 2 2.0| Alveolar Epithelium, Hyperplasia | | 21 1.3| |__________________________________________________________________________|____________| Nose | + + + | 53 | Inflammation | | 1 1.0| |__________________________________________________________________________|____________| Trachea | + + + | 53 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | | 1 | |__________________________________________________________________________|____________| Eye | + + + | 53 | Retina, Atrophy | | 1 3.0| |__________________________________________________________________________|____________| Harderian Gland | + + + | 53 | Inflammation | | 8 1.1| _____________________________________________________________________________________________________________________| | 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 19 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 4| 6| 6| | | DAY ON TEST | 8| 6| 2| | | | 4| 9| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| | A | TERT.MIX | 8| 8| 9| | L | CONTROL | 4| 5| 6| | | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM - cont | | | Kidney | + + + | 52 | Calculus Micro Observation Only | 2 | 9 1.6| Inflammation, Chronic Active | 2 | 1 2.0| Inflammation, Suppurative | | 3 1.3| Mineralization | 1 1 1 | 41 1.0| Nephropathy | 1 | 26 1.1| Pelvis, Dilatation | 1 | 2 2.0| Pelvis, Inflammation | | 2 2.0| Renal Tubule, Necrosis | | 1 2.0| Transitional Epithelium, Hyperplasia | 2 | 5 2.0| |__________________________________________________________________________|____________| Ureter | | 1 | Cyst | | 1 3.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + | 52 | Inflammation | 1 | 12 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 20 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 5| 6| 6| 4| 7| 7| 7| 6| 5| 7| 7| 7| 5| 6| 7| 3| 7| 6| 7| 5| 6| 6| 6| 7| DAY ON TEST | 2| 4| 8| 6| 5| 3| 3| 3| 3| 6| 3| 2| 3| 4| 8| 1| 6| 2| 2| 3| 6| 6| 5| 6| 2| | 9| 0| 3| 9| 6| 0| 0| 0| 1| 2| 0| 9| 0| 8| 9| 8| 2| 1| 7| 0| 3| 8| 2| 9| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| TEQ=10 | 1| 2| 3| 4| 5| 7| 8| 0| 1| 2| 3| 4| 5| 7| 9| 0| 1| 2| 3| 4| 6| 7| 8| 9| 0| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Muscularis, Inflammation | | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X X X X X X X | Basophilic Focus, Multiple | X X X X X X | Cholangiofibrosis | | Clear Cell Focus | | Eosinophilic Focus | X X | Eosinophilic Focus, Multiple | X X | Fatty Change, Diffuse | 1 1 1 1 | Fatty Change, Focal | | Hematopoietic Cell Proliferation | 1 1 1 1 2 1 1 | Hyperplasia, Nodular | | Inflammation | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 2 1 1| Mixed Cell Focus | X X X | Mixed Cell Focus, Multiple | X X X X X X X X X X| Necrosis | | Pigmentation | 1 1 1 2 2 1 2 2 2 1 1 2 2 1 1 2 | Toxic Hepatopathy | 1 1 | Bile Duct, Cyst | 3| Bile Duct, Fibrosis | | Bile Duct, Hyperplasia | 1 1 | __________________________________________|__________________________________________________________________________| Page 21 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 5| 6| 6| 4| 7| 7| 7| 6| 5| 7| 7| 7| 5| 6| 7| 3| 7| 6| 7| 5| 6| 6| 6| 7| DAY ON TEST | 2| 4| 8| 6| 5| 3| 3| 3| 3| 6| 3| 2| 3| 4| 8| 1| 6| 2| 2| 3| 6| 6| 5| 6| 2| | 9| 0| 3| 9| 6| 0| 0| 0| 1| 2| 0| 9| 0| 8| 9| 8| 2| 1| 7| 0| 3| 8| 2| 9| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| TEQ=10 | 1| 2| 3| 4| 5| 7| 8| 0| 1| 2| 3| 4| 5| 7| 9| 0| 1| 2| 3| 4| 6| 7| 8| 9| 0| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Centrilobular, Degeneration | 3 1 | Hepatocyte, Hypertrophy | 1 1 1 1 1 1 2 2 1 1 1 1 2 1| Hepatocyte, Multinucleated | 1 1 1 1 1 1 | Oval Cell, Hyperplasia | 1 | |__________________________________________________________________________| Mesentery | + | Artery, Inflammation, Chronic Active | 4 | |__________________________________________________________________________| Oral Mucosa | + + + + + + + + + | Gingival, Hyperplasia, Squamous | 1 1 1 1 1 1 1 1 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Acinus, Atrophy | 1 1 | Artery, Inflammation, Chronic Active | 2 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 2 | |__________________________________________________________________________| Tooth | + + + + + + + + + + + + +| Peridontal Tissue, Inflammation | 1 1 1 1 1 1 1 2 2 1 2 1| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 2 2 2 1 1 1 1 2 1 1 1 2| __________________________________________|__________________________________________________________________________| Page 22 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 5| 6| 6| 4| 7| 7| 7| 6| 5| 7| 7| 7| 5| 6| 7| 3| 7| 6| 7| 5| 6| 6| 6| 7| DAY ON TEST | 2| 4| 8| 6| 5| 3| 3| 3| 3| 6| 3| 2| 3| 4| 8| 1| 6| 2| 2| 3| 6| 6| 5| 6| 2| | 9| 0| 3| 9| 6| 0| 0| 0| 1| 2| 0| 9| 0| 8| 9| 8| 2| 1| 7| 0| 3| 8| 2| 9| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| TEQ=10 | 1| 2| 3| 4| 5| 7| 8| 0| 1| 2| 3| 4| 5| 7| 9| 0| 1| 2| 3| 4| 6| 7| 8| 9| 0| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Atrophy | 2 | Degeneration, Cystic | 3 3 3 3 2| Hyperplasia | 2 2 3 3 3 2 1 1 2 2 | Hypertrophy | 2 2 1 3 2 4 4 2 1 1 2 2 1 2 2 3 2 4 1 1 2 3| Mineralization | | Thrombosis | 3 | Vacuolization Cytoplasmic | 1 1 1 1 2 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 2 1 3 4 3 3 1 1 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cytoplasmic Alteration | 2 1 1 | Vacuolization Cytoplasmic | | Pars Distalis, Hyperplasia | 2 2 2 2 3 2 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 3 3 2 3 2 1 3 1 3 3 1 1| Follicular Cell, Hypertrophy | 1 1 1 1 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 2 2 1 1 1 3 3 1 3 2 3 1 2 2 3 2 2 1| Duct, Cyst | 4 3 2 2 2 2 4 2 2 3 2 3 3 3 3 3 1| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4| Cyst | 2 3 2 2 3 3 3 | Fibrosis | | Inflammation, Chronic Active | 4 | __________________________________________|__________________________________________________________________________| Page 23 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 5| 6| 6| 4| 7| 7| 7| 6| 5| 7| 7| 7| 5| 6| 7| 3| 7| 6| 7| 5| 6| 6| 6| 7| DAY ON TEST | 2| 4| 8| 6| 5| 3| 3| 3| 3| 6| 3| 2| 3| 4| 8| 1| 6| 2| 2| 3| 6| 6| 5| 6| 2| | 9| 0| 3| 9| 6| 0| 0| 0| 1| 2| 0| 9| 0| 8| 9| 8| 2| 1| 7| 0| 3| 8| 2| 9| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| TEQ=10 | 1| 2| 3| 4| 5| 7| 8| 0| 1| 2| 3| 4| 5| 7| 9| 0| 1| 2| 3| 4| 6| 7| 8| 9| 0| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | |__________________________________________________________________________| Oviduct | | Cyst | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenomyosis | 2 | Inflammation, Chronic Active | | Inflammation, Suppurative | 3 2 | Metaplasia, Squamous | 2 4 1 3 4 1 2 2 2 2 2 2 2 1| Ulcer | | Endometrium, Hyperplasia, Cystic | 1 2 3 3 2 2 1 4 3 3 1 1 2 2 3 2 2 2 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 3 2 2 3 2 3 3 3 3 3 2 2 4 3 | |__________________________________________________________________________| Lymph Node | | Mediastinal, Ectasia | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 2 | Hyperplasia, Plasma Cell | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 2 2 2| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 1 1 1 1 2 1 3 1 1 1 1 1 3 1 2 1 1 1 2 1 3 1| Pigmentation | 1 1 1 1 2 1 2 1 1 1 1 1 1 1 3 1 1 1 1 1 2 1 2 1 1| Lymphoid Follicle, Atrophy | 3 | Red Pulp, Atrophy | | |__________________________________________________________________________| Thymus | + + + + + M + + + + + + + + + + + M + + + + + + +| Atrophy | 2 4 2 4 2 3 3 2 4 3 2 3 4 2 3 2 2 2 4 3| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 24 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 5| 6| 6| 4| 7| 7| 7| 6| 5| 7| 7| 7| 5| 6| 7| 3| 7| 6| 7| 5| 6| 6| 6| 7| DAY ON TEST | 2| 4| 8| 6| 5| 3| 3| 3| 3| 6| 3| 2| 3| 4| 8| 1| 6| 2| 2| 3| 6| 6| 5| 6| 2| | 9| 0| 3| 9| 6| 0| 0| 0| 1| 2| 0| 9| 0| 8| 9| 8| 2| 1| 7| 0| 3| 8| 2| 9| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| TEQ=10 | 1| 2| 3| 4| 5| 7| 8| 0| 1| 2| 3| 4| 5| 7| 9| 0| 1| 2| 3| 4| 6| 7| 8| 9| 0| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | Cyst | | Hyperplasia | 1 3 2 | Inflammation, Granulomatous | 2 2 2 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | | Hair Follicle, Atrophy | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Hydrocephalus | 2 1 1 | |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 2 2 2 2 2 2 2 2 2 1 1 1 1 2 3 2 2 3 3 1 2 2 1| Inflammation | 2 | Alveolar Epithelium, Hyperplasia | 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Alveolar Epithelium, Metaplasia, | | Bronchiolar | 1 3 1 1 2 2 3 2 2 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 | Respiratory Epithelium, Hyperplasia | 1 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 25 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 5| 6| 6| 4| 7| 7| 7| 6| 5| 7| 7| 7| 5| 6| 7| 3| 7| 6| 7| 5| 6| 6| 6| 7| DAY ON TEST | 2| 4| 8| 6| 5| 3| 3| 3| 3| 6| 3| 2| 3| 4| 8| 1| 6| 2| 2| 3| 6| 6| 5| 6| 2| | 9| 0| 3| 9| 6| 0| 0| 0| 1| 2| 0| 9| 0| 8| 9| 8| 2| 1| 7| 0| 3| 8| 2| 9| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| TEQ=10 | 1| 2| 3| 4| 5| 7| 8| 0| 1| 2| 3| 4| 5| 7| 9| 0| 1| 2| 3| 4| 6| 7| 8| 9| 0| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Lens, Degeneration | | Retina, Atrophy | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 1 1 1 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | 1 2 | Cyst | | Inflammation, Chronic Active | | Inflammation, Suppurative | 1 1 | Mineralization | 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| Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 1 2 3 1 1 1 1| Pelvis, Inflammation | 1 | Transitional Epithelium, Hyperplasia | 1 2 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 1| __________________________________________|__________________________________________________________________________ Page 26 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 3| 6| 4| 7| 7| 7| 6| 2| 6| 7| 5| 7| 7| 6| 7| 7| 4| 7| 7| 7| DAY ON TEST | 3| 2| 9| 3| 6| 5| 5| 1| 2| 2| 3| 2| 2| 2| 3| 6| 3| 3| 2| 3| 2| 5| 0| 0| 2| | 0| 9| 8| 0| 8| 0| 9| 6| 9| 9| 0| 7| 7| 7| 0| 3| 0| 0| 6| 0| 9| 5| 2| 2| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 3| 3| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| TEQ=10 | 6| 9| 0| 3| 5| 6| 8| 9| 0| 1| 2| 3| 8| 1| 2| 3| 5| 6| 7| 8| 9| 0| 6| 7| 8| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Muscularis, Inflammation | 1 1 | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + M + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 1 | Basophilic Focus | X X X X X X| Basophilic Focus, Multiple | X X X X X | Cholangiofibrosis | 1 1 | Clear Cell Focus | X | Eosinophilic Focus | | Eosinophilic Focus, Multiple | X X X X X | Fatty Change, Diffuse | 1 | Fatty Change, Focal | 2 1 1 2 | Hematopoietic Cell Proliferation | 1 1 1 1 1 1 1 1 1| Hyperplasia, Nodular | X | Inflammation | 1 2 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Mixed Cell Focus | X X | Mixed Cell Focus, Multiple | X X X X X X X X X X X X X X X| Necrosis | | Pigmentation | 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1| Toxic Hepatopathy | 1 1 1 | Bile Duct, Cyst | 2 3 | Bile Duct, Fibrosis | 1 1 | Bile Duct, Hyperplasia | 2 | __________________________________________|__________________________________________________________________________| Page 27 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 3| 6| 4| 7| 7| 7| 6| 2| 6| 7| 5| 7| 7| 6| 7| 7| 4| 7| 7| 7| DAY ON TEST | 3| 2| 9| 3| 6| 5| 5| 1| 2| 2| 3| 2| 2| 2| 3| 6| 3| 3| 2| 3| 2| 5| 0| 0| 2| | 0| 9| 8| 0| 8| 0| 9| 6| 9| 9| 0| 7| 7| 7| 0| 3| 0| 0| 6| 0| 9| 5| 2| 2| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 3| 3| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| TEQ=10 | 6| 9| 0| 3| 5| 6| 8| 9| 0| 1| 2| 3| 8| 1| 2| 3| 5| 6| 7| 8| 9| 0| 6| 7| 8| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Centrilobular, Degeneration | | Hepatocyte, Hypertrophy | 1 1 1 1 1 2 1 1 1 1 1 1 1 | Hepatocyte, Multinucleated | 1 1 1 1 | Oval Cell, Hyperplasia | | |__________________________________________________________________________| Mesentery | | Artery, Inflammation, Chronic Active | | |__________________________________________________________________________| Oral Mucosa | + + + + + + + | Gingival, Hyperplasia, Squamous | 2 3 1 3 2 1 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 | Acinus, Atrophy | | Artery, Inflammation, Chronic Active | 3 1 3 1 3 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 2 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 2 | |__________________________________________________________________________| Tooth | + + + + + + + +| Peridontal Tissue, Inflammation | 1 1 1 1 2 1 1| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 2 1 1 1 1 1 1 1 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 1 3 2 2 2 | __________________________________________|__________________________________________________________________________| Page 28 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 3| 6| 4| 7| 7| 7| 6| 2| 6| 7| 5| 7| 7| 6| 7| 7| 4| 7| 7| 7| DAY ON TEST | 3| 2| 9| 3| 6| 5| 5| 1| 2| 2| 3| 2| 2| 2| 3| 6| 3| 3| 2| 3| 2| 5| 0| 0| 2| | 0| 9| 8| 0| 8| 0| 9| 6| 9| 9| 0| 7| 7| 7| 0| 3| 0| 0| 6| 0| 9| 5| 2| 2| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 3| 3| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| TEQ=10 | 6| 9| 0| 3| 5| 6| 8| 9| 0| 1| 2| 3| 8| 1| 2| 3| 5| 6| 7| 8| 9| 0| 6| 7| 8| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Atrophy | 2 3 | Degeneration, Cystic | 1 2 2 2 1 3 4 2 2 | Hyperplasia | 4 2 3 2 2 2 2 2 3 4 3 2 2 3 2| Hypertrophy | 3 2 1 3 2 1 2 2 2 3 1 1 2 3 3 4 3 3 2 2| Mineralization | 3 | Thrombosis | | Vacuolization Cytoplasmic | 2 2 3 1 2 1 1| |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 3 2 2 2 2 2 2 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + M + + + + + + + M + + + + + + + + + M + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cytoplasmic Alteration | | Vacuolization Cytoplasmic | 1 | Pars Distalis, Hyperplasia | 3 2 2 2 3 2 2 2 2 2| |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 3 3 3 3 2 2 2 3| Follicular Cell, Hypertrophy | 1 1 2 1 1 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 2 1 1 1 1 1 1 1 2 2 1 1 1 2 1 2 2 1 | Duct, Cyst | 3 3 2 3 2 3 3 1 2 3 2 3 1 3 3 1 3 4 1 2 3 | |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + M + + +| Atrophy | 4 4 4 4 4 4 4 4 4 3 4 4 4 4 4 4 4 4 3 4| Cyst | 3 3 2 2 3 2 2 | Fibrosis | 3 | Inflammation, Chronic Active | 2 | __________________________________________|__________________________________________________________________________| Page 29 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 3| 6| 4| 7| 7| 7| 6| 2| 6| 7| 5| 7| 7| 6| 7| 7| 4| 7| 7| 7| DAY ON TEST | 3| 2| 9| 3| 6| 5| 5| 1| 2| 2| 3| 2| 2| 2| 3| 6| 3| 3| 2| 3| 2| 5| 0| 0| 2| | 0| 9| 8| 0| 8| 0| 9| 6| 9| 9| 0| 7| 7| 7| 0| 3| 0| 0| 6| 0| 9| 5| 2| 2| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 3| 3| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| TEQ=10 | 6| 9| 0| 3| 5| 6| 8| 9| 0| 1| 2| 3| 8| 1| 2| 3| 5| 6| 7| 8| 9| 0| 6| 7| 8| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | |__________________________________________________________________________| Oviduct | + + | Cyst | 2 2 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenomyosis | | Inflammation, Chronic Active | 3 | Inflammation, Suppurative | 2 2 2 | Metaplasia, Squamous | 1 3 4 2 3 2 2 2 4 3 3 1 1 1 3 2| Ulcer | 2 | Endometrium, Hyperplasia, Cystic | 2 3 2 3 3 3 2 2 2 2 1 2 2 3 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 3 2 3 2 2 4 2 3 4 3 2 4 2 3 3 3 2 4| |__________________________________________________________________________| Lymph Node | + | Mediastinal, Ectasia | 2 | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | | Hyperplasia, Plasma Cell | 2 3 2 1 2 3 2 2 2 2 2 3 3 2 2 2 2| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 1 1 2 2 1 2 2 1 1 1 4 2 1 1 3 2 1 1 1 1 3| Pigmentation | 1 2 1 1 1 1 2 1 2 2 1 1 2 2 2 1 1 1 1 1 1 1| Lymphoid Follicle, Atrophy | 3 | Red Pulp, Atrophy | 2 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + M M + +| Atrophy | 2 3 3 3 3 2 3 3 4 3 3 3 2 2 2 3 4 3 4 3 4 3| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 30 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 3| 6| 4| 7| 7| 7| 6| 2| 6| 7| 5| 7| 7| 6| 7| 7| 4| 7| 7| 7| DAY ON TEST | 3| 2| 9| 3| 6| 5| 5| 1| 2| 2| 3| 2| 2| 2| 3| 6| 3| 3| 2| 3| 2| 5| 0| 0| 2| | 0| 9| 8| 0| 8| 0| 9| 6| 9| 9| 0| 7| 7| 7| 0| 3| 0| 0| 6| 0| 9| 5| 2| 2| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 3| 3| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| TEQ=10 | 6| 9| 0| 3| 5| 6| 8| 9| 0| 1| 2| 3| 8| 1| 2| 3| 5| 6| 7| 8| 9| 0| 6| 7| 8| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | Cyst | 3 3 2 | Hyperplasia | 1 1 2 1 | Inflammation, Granulomatous | 1 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | X X | Hair Follicle, Atrophy | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Hydrocephalus | 1 | |__________________________________________________________________________| Peripheral Nerve | | |__________________________________________________________________________| Spinal Cord | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 2 2 2 2 2 2 2 2 1 2 1 1 2 1 1 2 2 1 2 2 2 2 3 2| Inflammation | 2 | Alveolar Epithelium, Hyperplasia | 1 1 1 2 1 1 1 1 1 1 | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 2 2 1 2 1 2 2 1 2 2| |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | | Respiratory Epithelium, Hyperplasia | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 31 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 3| 6| 4| 7| 7| 7| 6| 2| 6| 7| 5| 7| 7| 6| 7| 7| 4| 7| 7| 7| DAY ON TEST | 3| 2| 9| 3| 6| 5| 5| 1| 2| 2| 3| 2| 2| 2| 3| 6| 3| 3| 2| 3| 2| 5| 0| 0| 2| | 0| 9| 8| 0| 8| 0| 9| 6| 9| 9| 0| 7| 7| 7| 0| 3| 0| 0| 6| 0| 9| 5| 2| 2| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 3| 3| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| TEQ=10 | 6| 9| 0| 3| 5| 6| 8| 9| 0| 1| 2| 3| 8| 1| 2| 3| 5| 6| 7| 8| 9| 0| 6| 7| 8| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Lens, Degeneration | 4 | Retina, Atrophy | 4 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 1 1 1 1 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | 2 1 3 | Cyst | 2 | Inflammation, Chronic Active | 4 | Inflammation, Suppurative | | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Nephropathy | 1 1 1 1 1 1 1 3 1 2 1 1 2 1 2 1 1 1 1 1| Pelvis, Inflammation | | Transitional Epithelium, Hyperplasia | 2 1 3 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + M + + +| Inflammation | | __________________________________________|__________________________________________________________________________ Page 32 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 2| 2| | | | 6| 9| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| | A | TERT.MIX | 8| 9| 9| | L | TEQ=10 | 9| 0| 6| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + | 53 | Muscularis, Inflammation | | 2 1.0| |__________________________________________________________________________|____________| Intestine Large, Colon | + + + | 52 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + | 53 | Parasite Metazoan | | 4 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + | 53 | |__________________________________________________________________________|____________| Liver | + + + | 53 | Angiectasis | | 2 1.5| Basophilic Focus | X | 14 | Basophilic Focus, Multiple | X | 12 | Cholangiofibrosis | | 2 1.0| Clear Cell Focus | | 1 | Eosinophilic Focus | | 2 | Eosinophilic Focus, Multiple | | 7 | Fatty Change, Diffuse | | 5 1.0| Fatty Change, Focal | | 4 1.5| Hematopoietic Cell Proliferation | 1 1 | 18 1.1| Hyperplasia, Nodular | | 1 | Inflammation | 1 1 1 | 50 1.1| Mixed Cell Focus | | 5 | Mixed Cell Focus, Multiple | X X | 27 | Necrosis | 2 | 1 2.0| Pigmentation | 1 1 2 | 35 1.3| _____________________________________________________________________________________________________________________|____________| * : 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: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 2| 2| | | | 6| 9| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| | A | TERT.MIX | 8| 9| 9| | L | TEQ=10 | 9| 0| 6| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Toxic Hepatopathy | | 5 1.0| Bile Duct, Cyst | | 3 2.7| Bile Duct, Fibrosis | | 2 1.0| Bile Duct, Hyperplasia | | 3 1.3| Centrilobular, Degeneration | | 2 2.0| Hepatocyte, Hypertrophy | | 27 1.1| Hepatocyte, Multinucleated | 1 1 | 12 1.0| Oval Cell, Hyperplasia | | 1 1.0| |__________________________________________________________________________|____________| Mesentery | | 1 | Artery, Inflammation, Chronic Active | | 1 4.0| |__________________________________________________________________________|____________| Oral Mucosa | + + | 18 | Gingival, Hyperplasia, Squamous | 2 2 | 17 1.5| |__________________________________________________________________________|____________| Pancreas | + + + | 53 | Inflammation, Chronic Active | | 1 3.0| Acinus, Atrophy | | 2 1.0| Artery, Inflammation, Chronic Active | | 6 2.2| |__________________________________________________________________________|____________| Salivary Glands | + + + | 53 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + | 53 | Hyperplasia, Squamous | | 1 2.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + | 53 | Mineralization | | 4 1.5| |__________________________________________________________________________|____________| Tooth | + + | 23 | Peridontal Tissue, Inflammation | 2 2 | 21 1.3| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + | 53 | _____________________________________________________________________________________________________________________|____________| * : 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: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 2| 2| | | | 6| 9| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| | A | TERT.MIX | 8| 9| 9| | L | TEQ=10 | 9| 0| 6| | | _____________________________________________________________________________________________________________________|____________| CARDIOVASCULAR SYSTEM - cont | | | |__________________________________________________________________________|____________| Heart | + + + | 53 | Cardiomyopathy | 1 1 | 26 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + | 53 | Angiectasis | 2 | 20 1.6| Atrophy | | 3 2.3| Degeneration, Cystic | 2 | 15 2.3| Hyperplasia | 3 | 26 2.4| Hypertrophy | 2 2 3 | 45 2.2| Mineralization | | 1 3.0| Thrombosis | | 1 3.0| Vacuolization Cytoplasmic | | 13 1.5| |__________________________________________________________________________|____________| Adrenal Medulla | + + + | 53 | Hyperplasia | 1 | 21 2.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + | 53 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + | 50 | |__________________________________________________________________________|____________| Pituitary Gland | + + + | 53 | Cytoplasmic Alteration | | 3 1.3| Vacuolization Cytoplasmic | | 1 1.0| Pars Distalis, Hyperplasia | 2 3 | 19 2.3| |__________________________________________________________________________|____________| Thyroid Gland | + + + | 53 | C-Cell, Hyperplasia | 2 2 | 24 2.3| Follicular Cell, Hypertrophy | | 13 1.1| _____________________________________________________________________________________________________________________| | 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 35 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 2| 2| | | | 6| 9| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| | A | TERT.MIX | 8| 9| 9| | L | TEQ=10 | 9| 0| 6| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + | 53 | Inflammation | 2 2 2 | 40 1.7| Duct, Cyst | 2 2 3 | 41 2.5| |__________________________________________________________________________|____________| Ovary | + + + | 52 | Atrophy | 4 4 4 | 44 4.0| Cyst | 2 2 | 16 2.4| Fibrosis | | 1 3.0| Inflammation, Chronic Active | | 2 3.0| |__________________________________________________________________________|____________| Oviduct | | 2 | Cyst | | 2 2.0| |__________________________________________________________________________|____________| Uterus | + + + | 53 | Adenomyosis | | 1 2.0| Inflammation, Chronic Active | | 1 3.0| Inflammation, Suppurative | | 5 2.2| Metaplasia, Squamous | 1 2 | 32 2.2| Ulcer | | 1 2.0| Endometrium, Hyperplasia, Cystic | 2 | 35 2.2| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + | 53 | Hyperplasia | 3 | 36 2.8| |__________________________________________________________________________|____________| Lymph Node | | 1 | Mediastinal, Ectasia | | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + | 53 | Ectasia | | 1 2.0| Hyperplasia, Plasma Cell | 2 2 | 42 2.1| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 36 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 2| 2| | | | 6| 9| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| | A | TERT.MIX | 8| 9| 9| | L | TEQ=10 | 9| 0| 6| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Lymph Node, Mesenteric | + + + | 53 | |__________________________________________________________________________|____________| Spleen | + + + | 53 | Hematopoietic Cell Proliferation | 3 1 2 | 48 1.5| Pigmentation | 1 2 1 | 50 1.3| Lymphoid Follicle, Atrophy | | 2 3.0| Red Pulp, Atrophy | | 1 2.0| |__________________________________________________________________________|____________| Thymus | + + M | 48 | Atrophy | 4 | 43 2.9| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + | 53 | Cyst | | 3 2.7| Hyperplasia | | 7 1.6| Inflammation, Granulomatous | | 4 1.8| |__________________________________________________________________________|____________| Skin | + + + | 53 | Cyst Epithelial Inclusion | | 2 | Hair Follicle, Atrophy | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + | 53 | |__________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + | 53 | Hemorrhage | | 1 2.0| Hydrocephalus | | 4 1.3| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : 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: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 2| 2| | | | 6| 9| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| | A | TERT.MIX | 8| 9| 9| | L | TEQ=10 | 9| 0| 6| | | _____________________________________________________________________________________________________________________|____________| NERVOUS SYSTEM - cont | | | Peripheral Nerve | | 1 | |__________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + | 53 | Infiltration Cellular, Histiocyte | 3 2 2 | 50 1.9| Inflammation | | 2 2.0| Alveolar Epithelium, Hyperplasia | 1 | 25 1.0| Alveolar Epithelium, Metaplasia, | | | Bronchiolar | 2 | 20 1.8| |__________________________________________________________________________|____________| Nose | + + + | 53 | Inflammation | | 2 1.0| Respiratory Epithelium, Hyperplasia | | 1 1.0| |__________________________________________________________________________|____________| Trachea | + + + | 53 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + | 53 | Lens, Degeneration | | 1 4.0| Retina, Atrophy | | 1 4.0| |__________________________________________________________________________|____________| Harderian Gland | + + + | 53 | Inflammation | | 11 1.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + | 53 | Calculus Micro Observation Only | | 5 1.8| Cyst | | 1 2.0| Inflammation, Chronic Active | | 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 38 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 2| 2| | | | 6| 9| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| | A | TERT.MIX | 8| 9| 9| | L | TEQ=10 | 9| 0| 6| | | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM - cont | | | Inflammation, Suppurative | | 2 1.0| Mineralization | 1 1 | 48 1.0| Nephropathy | 1 1 1 | 41 1.2| Pelvis, Inflammation | | 1 1.0| Transitional Epithelium, Hyperplasia | | 5 1.8| |__________________________________________________________________________|____________| Urinary Bladder | + + + | 52 | Inflammation | | 3 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 39 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 4| 7| 6| 6| 7| 6| 5| 7| 7| 0| 2| 5| 7| 7| 7| 7| 5| 7| DAY ON TEST | 2| 6| 3| 2| 2| 3| 0| 5| 0| 6| 1| 2| 6| 2| 2| 3| 4| 6| 4| 0| 3| 2| 3| 2| 3| | 9| 9| 0| 9| 9| 9| 2| 6| 9| 9| 6| 3| 6| 9| 9| 0| 6| 3| 8| 3| 0| 9| 0| 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| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 0| 1| 1| 2| 2| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| TEQ=22 | 1| 2| 3| 4| 5| 2| 4| 2| 3| 4| 5| 6| 7| 9| 1| 2| 3| 4| 5| 6| 7| 9| 0| 2| 4| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Muscularis, Inflammation | | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X X | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X | Basophilic Focus, Multiple | X X X | Cholangiofibrosis | 3 | Clear Cell Focus | X | Eosinophilic Focus | X X X | Eosinophilic Focus, Multiple | X X X | Fatty Change, Diffuse | 1 1 1 1 1 1 1 1 | Fatty Change, Focal | 2 | Hematopoietic Cell Proliferation | 1 1 1 3 1 1 1 1 1 | Hepatodiaphragmatic Nodule | | Hyperplasia, Nodular | | Inflammation | 2 2 1 1 2 2 1 1 1 1 1 1 1 2 1 1 1 1| Mixed Cell Focus | X X | Mixed Cell Focus, Multiple | X X X X X X X X X X X X X X| Necrosis | 2 2 2 2 1 | Pigmentation | 2 1 1 1 1 1 1 1 2 1 2 3 1 1 1 1 1 1 1 1| Toxic Hepatopathy | 1 1 1 1 1 1 | Bile Duct, Cyst | 2 2 | Bile Duct, Fibrosis | 1 | __________________________________________|__________________________________________________________________________| Page 40 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 4| 7| 6| 6| 7| 6| 5| 7| 7| 0| 2| 5| 7| 7| 7| 7| 5| 7| DAY ON TEST | 2| 6| 3| 2| 2| 3| 0| 5| 0| 6| 1| 2| 6| 2| 2| 3| 4| 6| 4| 0| 3| 2| 3| 2| 3| | 9| 9| 0| 9| 9| 9| 2| 6| 9| 9| 6| 3| 6| 9| 9| 0| 6| 3| 8| 3| 0| 9| 0| 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| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 0| 1| 1| 2| 2| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| TEQ=22 | 1| 2| 3| 4| 5| 2| 4| 2| 3| 4| 5| 6| 7| 9| 1| 2| 3| 4| 5| 6| 7| 9| 0| 2| 4| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Bile Duct, Hyperplasia | 1 1 | Centrilobular, Degeneration | 3 | Hepatocyte, Hypertrophy | 2 1 1 1 1 2 1 2 1 1 1 2 1 1 2 1| Hepatocyte, Multinucleated | 1 1 2 1 | Oval Cell, Hyperplasia | | |__________________________________________________________________________| Mesentery | + | Necrosis | 3 | Fat, Necrosis | | |__________________________________________________________________________| Oral Mucosa | + + + + + + + + + + | Gingival, Hyperplasia, Squamous | 1 2 1 1 1 1 1 1 1 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 1 1 | Acinus, Atrophy | 2 2 2 | Acinus, Hyperplasia | 2 | Acinus, Vacuolization Cytoplasmic | 1 | Artery, Inflammation, Chronic Active | 2 1 | Duct, Cyst | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | Erosion | 1 | Hyperkeratosis | 3 2 | Hyperplasia, Squamous | 1 3 3 | Inflammation | 3 | Mineralization | 2 1 1 | Ulcer | 2 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 1 | |__________________________________________________________________________| Tooth | + + + + + + + + + + + + + | Peridontal Tissue, Inflammation | 1 1 1 1 1 1 1 1 1 1 1 | __________________________________________|__________________________________________________________________________| Page 41 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 4| 7| 6| 6| 7| 6| 5| 7| 7| 0| 2| 5| 7| 7| 7| 7| 5| 7| DAY ON TEST | 2| 6| 3| 2| 2| 3| 0| 5| 0| 6| 1| 2| 6| 2| 2| 3| 4| 6| 4| 0| 3| 2| 3| 2| 3| | 9| 9| 0| 9| 9| 9| 2| 6| 9| 9| 6| 3| 6| 9| 9| 0| 6| 3| 8| 3| 0| 9| 0| 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| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 0| 1| 1| 2| 2| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| TEQ=22 | 1| 2| 3| 4| 5| 2| 4| 2| 3| 4| 5| 6| 7| 9| 1| 2| 3| 4| 5| 6| 7| 9| 0| 2| 4| __________________________________________|__________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 2 1 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 1 2 2 1 2 | Degeneration, Cystic | 2 2 1 1 2 2 3 3 1 3| Hematopoietic Cell Proliferation | 1 | Hyperplasia | 2 2 3 2 3 3 2 2 4 4 3 2 | Hypertrophy | 4 2 3 4 3 3 3 1 2 2 3 2 4 2 2 1 2 3 3 2 1 3| Necrosis | 2 | Vacuolization Cytoplasmic | 1 2 2 1 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 4 2 1 2 1| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | |__________________________________________________________________________| Parathyroid Gland | + + M + + M + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Cyst | | Vacuolization Cytoplasmic | 1 | Pars Distalis, Hyperplasia | 2 3 2 2 3 3 3 2 2 2 3| Pars Intermedia, Cyst | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + A + + A + + + + + + + + + + +| C-Cell, Hyperplasia | 3 4 2 2 3 1 2 3 2 | Follicular Cell, Hypertrophy | 2 1 2 1 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | __________________________________________|__________________________________________________________________________| Page 42 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 4| 7| 6| 6| 7| 6| 5| 7| 7| 0| 2| 5| 7| 7| 7| 7| 5| 7| DAY ON TEST | 2| 6| 3| 2| 2| 3| 0| 5| 0| 6| 1| 2| 6| 2| 2| 3| 4| 6| 4| 0| 3| 2| 3| 2| 3| | 9| 9| 0| 9| 9| 9| 2| 6| 9| 9| 6| 3| 6| 9| 9| 0| 6| 3| 8| 3| 0| 9| 0| 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| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 0| 1| 1| 2| 2| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| TEQ=22 | 1| 2| 3| 4| 5| 2| 4| 2| 3| 4| 5| 6| 7| 9| 1| 2| 3| 4| 5| 6| 7| 9| 0| 2| 4| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 3 1 1 1 1 1 1 2 1 1 2 2 1 1 2 1| Duct, Cyst | 2 1 3 2 3 2 4 3 1 3 1 1 1 2 3 2 3 2 2 3| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 3 4 4 4 4 3 4 4 4 | Cyst | 2 2 2 3 2 2 1 2 2 2 | Inflammation, Chronic Active | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenomyosis | 2 | Inflammation, Chronic Active | | Inflammation, Suppurative | 2 2 2 2 2 2 | Metaplasia, Squamous | 4 2 2 3 1 4 1 3 1 1 2 2 3 3 1| Endometrium, Hyperplasia, Cystic | 4 3 4 1 1 1 4 4 2 2 3 1 2 1 1 1 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 2 3 3 3 4 3 2 3 2 2 3 3 2 3 2| |__________________________________________________________________________| Lymph Node | + | Lumbar, Ectasia | 2 | Lumbar, Hemorrhage | 2 | Lumbar, Hyperplasia, Lymphoid | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | | Hyperplasia, Plasma Cell | 2 2 2 2 2 2 2 2 2 2 3 2 2 2 2 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 4| |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 2 1 2 1 2 3 1 1 2 3 2 1 1 1 2| Pigmentation | 1 1 1 1 1 2 1 3 1 1 3 2 1 2 2 2 1 1 2 2 1 1 1 1| Lymphoid Follicle, Atrophy | 2 | __________________________________________|__________________________________________________________________________| Page 43 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 4| 7| 6| 6| 7| 6| 5| 7| 7| 0| 2| 5| 7| 7| 7| 7| 5| 7| DAY ON TEST | 2| 6| 3| 2| 2| 3| 0| 5| 0| 6| 1| 2| 6| 2| 2| 3| 4| 6| 4| 0| 3| 2| 3| 2| 3| | 9| 9| 0| 9| 9| 9| 2| 6| 9| 9| 6| 3| 6| 9| 9| 0| 6| 3| 8| 3| 0| 9| 0| 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| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 0| 1| 1| 2| 2| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| TEQ=22 | 1| 2| 3| 4| 5| 2| 4| 2| 3| 4| 5| 6| 7| 9| 1| 2| 3| 4| 5| 6| 7| 9| 0| 2| 4| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Red Pulp, Atrophy | 2 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + M +| Atrophy | 3 2 3 3 1 3 3 4 2 4 3 2 4 4 3 2 4 3 4 2| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | 1 1 1 1 1 1 1 | Inflammation, Granulomatous | 3 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | X | Hyperkeratosis | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydrocephalus | 2 2 | Inflammation, Granulomatous | 2 | Mineralization | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 | Edema | 2 2 | Hemorrhage | 2 | Infiltration Cellular, Histiocyte | 1 1 2 2 2 1 2 1 2 2 2 1 1 2 2 1 2 2 1 2 2| Inflammation | 2 2 | Metaplasia, Squamous | 3 1 | Alveolar Epithelium, Hyperplasia | 1 2 1 | __________________________________________|__________________________________________________________________________| Page 44 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 4| 7| 6| 6| 7| 6| 5| 7| 7| 0| 2| 5| 7| 7| 7| 7| 5| 7| DAY ON TEST | 2| 6| 3| 2| 2| 3| 0| 5| 0| 6| 1| 2| 6| 2| 2| 3| 4| 6| 4| 0| 3| 2| 3| 2| 3| | 9| 9| 0| 9| 9| 9| 2| 6| 9| 9| 6| 3| 6| 9| 9| 0| 6| 3| 8| 3| 0| 9| 0| 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| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 0| 1| 1| 2| 2| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| TEQ=22 | 1| 2| 3| 4| 5| 2| 4| 2| 3| 4| 5| 6| 7| 9| 1| 2| 3| 4| 5| 6| 7| 9| 0| 2| 4| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 2 1 3 2 2 2 1 2 1 1 2 2 1 1 2| |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 2 2 | Goblet Cell, Hyperplasia | 2 2 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | + | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Retina, Atrophy | 2 2 | |__________________________________________________________________________| Harderian Gland | + + + + + + M + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 2 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | 2 2 1 | Casts Protein | | Inflammation, Chronic Active | | Inflammation, Suppurative | 1 | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Nephropathy | 1 1 2 1 1 1 1 1 2 1 1 1 2 1 1 1 2 1| Pelvis, Dilatation | | Pelvis, Inflammation | | Renal Tubule, Necrosis | 2| Transitional Epithelium, Hyperplasia | | |__________________________________________________________________________| Ureter | | Inflammation | | Transitional Epithelium, Hyperplasia | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 45 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 4| 7| 6| 6| 7| 6| 5| 7| 7| 0| 2| 5| 7| 7| 7| 7| 5| 7| DAY ON TEST | 2| 6| 3| 2| 2| 3| 0| 5| 0| 6| 1| 2| 6| 2| 2| 3| 4| 6| 4| 0| 3| 2| 3| 2| 3| | 9| 9| 0| 9| 9| 9| 2| 6| 9| 9| 6| 3| 6| 9| 9| 0| 6| 3| 8| 3| 0| 9| 0| 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| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 0| 1| 1| 2| 2| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| TEQ=22 | 1| 2| 3| 4| 5| 2| 4| 2| 3| 4| 5| 6| 7| 9| 1| 2| 3| 4| 5| 6| 7| 9| 0| 2| 4| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Inflammation | 1 | Transitional Epithelium, Hyperplasia | | __________________________________________|__________________________________________________________________________ Page 46 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 5| 6| 2| 6| DAY ON TEST | 3| 2| 9| 2| 3| 9| 0| 3| 2| 0| 3| 3| 3| 2| 3| 1| 3| 2| 8| 2| 0| 4| 5| 0| 5| | 0| 1| 9| 9| 0| 2| 9| 0| 9| 2| 0| 0| 0| 9| 0| 7| 0| 9| 3| 9| 2| 0| 9| 3| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| TEQ=22 | 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 6| 8| 0| 1| 2| 3| 5| 7| 8| 9| 0| 1| 2| 4| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Muscularis, Inflammation | 2 | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X| Basophilic Focus, Multiple | | Cholangiofibrosis | 2 1 | Clear Cell Focus | | Eosinophilic Focus | X X | Eosinophilic Focus, Multiple | X | Fatty Change, Diffuse | 1 1 1 1 1 | Fatty Change, Focal | 1 2 2 1 1 2| Hematopoietic Cell Proliferation | 1 1 1 1 1 1 1 1 1 | Hepatodiaphragmatic Nodule | X | Hyperplasia, Nodular | X X X | Inflammation | 1 1 1 1 2 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1| Mixed Cell Focus | X X | Mixed Cell Focus, Multiple | X X X X X X X X X X X X X X | Necrosis | 3 3 2 3| Pigmentation | 1 1 1 2 1 1 1 2 1 1 1 2 1 2 1 1 1 1 1 1| Toxic Hepatopathy | 1 1 1 1 1 1 1 1 | Bile Duct, Cyst | 3 | Bile Duct, Fibrosis | | __________________________________________|__________________________________________________________________________| Page 47 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 5| 6| 2| 6| DAY ON TEST | 3| 2| 9| 2| 3| 9| 0| 3| 2| 0| 3| 3| 3| 2| 3| 1| 3| 2| 8| 2| 0| 4| 5| 0| 5| | 0| 1| 9| 9| 0| 2| 9| 0| 9| 2| 0| 0| 0| 9| 0| 7| 0| 9| 3| 9| 2| 0| 9| 3| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| TEQ=22 | 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 6| 8| 0| 1| 2| 3| 5| 7| 8| 9| 0| 1| 2| 4| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Bile Duct, Hyperplasia | 2 1 2 | Centrilobular, Degeneration | | Hepatocyte, Hypertrophy | 1 1 1 1 1 2 1 3 1 1 1 1 1 1 1 1| Hepatocyte, Multinucleated | 1 1 1 1 1 2| Oval Cell, Hyperplasia | 1 | |__________________________________________________________________________| Mesentery | + | Necrosis | | Fat, Necrosis | 3 | |__________________________________________________________________________| Oral Mucosa | + + + + + + + + + | Gingival, Hyperplasia, Squamous | 4 1 1 1 1 1 4 1 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 1 1 | Acinus, Atrophy | 2 2 1 | Acinus, Hyperplasia | | Acinus, Vacuolization Cytoplasmic | 1 2 | Artery, Inflammation, Chronic Active | 2 | Duct, Cyst | 2 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 3 | Erosion | | Hyperkeratosis | | Hyperplasia, Squamous | 2 | Inflammation | 2 | Mineralization | 2| Ulcer | 3 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 | |__________________________________________________________________________| Tooth | + + + + + + + + + + + + + + | Peridontal Tissue, Inflammation | 1 2 3 2 1 1 1 1 1 2 1 | __________________________________________|__________________________________________________________________________| Page 48 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 5| 6| 2| 6| DAY ON TEST | 3| 2| 9| 2| 3| 9| 0| 3| 2| 0| 3| 3| 3| 2| 3| 1| 3| 2| 8| 2| 0| 4| 5| 0| 5| | 0| 1| 9| 9| 0| 2| 9| 0| 9| 2| 0| 0| 0| 9| 0| 7| 0| 9| 3| 9| 2| 0| 9| 3| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| TEQ=22 | 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 6| 8| 0| 1| 2| 3| 5| 7| 8| 9| 0| 1| 2| 4| __________________________________________|__________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 1 1 1 2 2 1 3 1 2 1 | Degeneration, Cystic | 2 3 2 3 3 3 3 3 | Hematopoietic Cell Proliferation | | Hyperplasia | 3 4 3 3 2 4 3 4 2 2 | Hypertrophy | 2 2 2 2 2 3 2 3 2 2 1 2 4 2 2 2 4 2 4 3 4 2| Necrosis | 3 | Vacuolization Cytoplasmic | 1 1 2 1 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 1 3 2 1 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + M + + + + + + + M + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 | Cyst | 2 | Vacuolization Cytoplasmic | 1 | Pars Distalis, Hyperplasia | 2 3 2 3 3 3 3 3 2 2 3 2 2| Pars Intermedia, Cyst | 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 1 3 1 3 2 2 1 3 | Follicular Cell, Hypertrophy | 2 1 1 1 1 1 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | __________________________________________|__________________________________________________________________________| Page 49 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 5| 6| 2| 6| DAY ON TEST | 3| 2| 9| 2| 3| 9| 0| 3| 2| 0| 3| 3| 3| 2| 3| 1| 3| 2| 8| 2| 0| 4| 5| 0| 5| | 0| 1| 9| 9| 0| 2| 9| 0| 9| 2| 0| 0| 0| 9| 0| 7| 0| 9| 3| 9| 2| 0| 9| 3| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| TEQ=22 | 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 6| 8| 0| 1| 2| 3| 5| 7| 8| 9| 0| 1| 2| 4| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 2 1 1| Duct, Cyst | 3 2 2 2 1 1 1 3 1 1 2 2 4 3 3 2 2 1 2 3 2 1 2 | |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4| Cyst | 2 3 3 4 2 2 2 2 3 | Inflammation, Chronic Active | 4 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenomyosis | | Inflammation, Chronic Active | 3 | Inflammation, Suppurative | 1 2 1 | Metaplasia, Squamous | 2 3 3 1 4 2 1 2 3 2 3 2 2 2 3 2| Endometrium, Hyperplasia, Cystic | 2 3 1 1 1 2 3 2 2 1 2 2 3 2 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 3 3 3 4 2 2 3 4 3 2 2 3 2 3 2| |__________________________________________________________________________| Lymph Node | + | Lumbar, Ectasia | | Lumbar, Hemorrhage | | Lumbar, Hyperplasia, Lymphoid | 2 | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 2 | Hyperplasia, Plasma Cell | 2 3 1 2 2 2 2 2 3 2 3 2 2 2 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 1 2 2 1 3 3 1 1 1 1 1 1 1 1 3 1 1 1 1 2 1 2 | Pigmentation | 1 1 1 1 1 1 1 2 1 2 2 2 1 1 2 1 1 1 2 1 1 1 1 2 2| Lymphoid Follicle, Atrophy | 2 2| __________________________________________|__________________________________________________________________________| Page 50 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 5| 6| 2| 6| DAY ON TEST | 3| 2| 9| 2| 3| 9| 0| 3| 2| 0| 3| 3| 3| 2| 3| 1| 3| 2| 8| 2| 0| 4| 5| 0| 5| | 0| 1| 9| 9| 0| 2| 9| 0| 9| 2| 0| 0| 0| 9| 0| 7| 0| 9| 3| 9| 2| 0| 9| 3| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| TEQ=22 | 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 6| 8| 0| 1| 2| 3| 5| 7| 8| 9| 0| 1| 2| 4| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Red Pulp, Atrophy | 2 2| |__________________________________________________________________________| Thymus | + + + M + + + + + + + + + + + + + + + M + + + + +| Atrophy | 4 4 4 3 3 4 4 3 4 2 4 3 4 4 3 4 4 4 2 3 3 4| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 | Hyperplasia | 1 1 1 1 1 2 | Inflammation, Granulomatous | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | | Hyperkeratosis | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydrocephalus | | Inflammation, Granulomatous | | Mineralization | 1 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Edema | | Hemorrhage | | Infiltration Cellular, Histiocyte | 2 2 2 1 2 2 1 2 2 2 2 2 2 1 1 1 1 1 2 2 2 2 1 1 2| Inflammation | | Metaplasia, Squamous | | Alveolar Epithelium, Hyperplasia | 1 2 1 1 1 1 | __________________________________________|__________________________________________________________________________| Page 51 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 5| 6| 2| 6| DAY ON TEST | 3| 2| 9| 2| 3| 9| 0| 3| 2| 0| 3| 3| 3| 2| 3| 1| 3| 2| 8| 2| 0| 4| 5| 0| 5| | 0| 1| 9| 9| 0| 2| 9| 0| 9| 2| 0| 0| 0| 9| 0| 7| 0| 9| 3| 9| 2| 0| 9| 3| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| TEQ=22 | 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 6| 8| 0| 1| 2| 3| 5| 7| 8| 9| 0| 1| 2| 4| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 1 2 1 1 3 1 3 2 1 1 1 2 2 2 1 1| |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | | Goblet Cell, Hyperplasia | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Retina, Atrophy | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | 3 2 1 1| Casts Protein | | Inflammation, Chronic Active | 3 | Inflammation, Suppurative | 1 1 | Mineralization | 1 1 1 1 1 1 1 1 2 1 1 1 1 1 2 2 1 1 1 1 1| Nephropathy | 2 1 2 1 1 1 1 2 2 1 1 1 1 1 1 3 1 2 1 1 1| Pelvis, Dilatation | 3 | Pelvis, Inflammation | 3 | Renal Tubule, Necrosis | | Transitional Epithelium, Hyperplasia | 2 3 3 1 2 2 1| |__________________________________________________________________________| Ureter | + | Inflammation | 2 | Transitional Epithelium, Hyperplasia | 3 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 52 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 5| 6| 2| 6| DAY ON TEST | 3| 2| 9| 2| 3| 9| 0| 3| 2| 0| 3| 3| 3| 2| 3| 1| 3| 2| 8| 2| 0| 4| 5| 0| 5| | 0| 1| 9| 9| 0| 2| 9| 0| 9| 2| 0| 0| 0| 9| 0| 7| 0| 9| 3| 9| 2| 0| 9| 3| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| TEQ=22 | 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 6| 8| 0| 1| 2| 3| 5| 7| 8| 9| 0| 1| 2| 4| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Inflammation | 2 2 | Transitional Epithelium, Hyperplasia | 2 | __________________________________________|__________________________________________________________________________ Page 53 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 5| 3| 2| | | | 9| 0| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | TERT.MIX | 9| 9| 9| | L | TEQ=22 | 5| 7| 8| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + | 53 | Muscularis, Inflammation | | 1 2.0| |__________________________________________________________________________|____________| Intestine Large, Colon | + + + | 53 | Parasite Metazoan | | 1 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + | 53 | Parasite Metazoan | | 5 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + | 53 | |__________________________________________________________________________|____________| Liver | + + + | 53 | Basophilic Focus | | 10 | Basophilic Focus, Multiple | | 3 | Cholangiofibrosis | | 3 2.0| Clear Cell Focus | | 1 | Eosinophilic Focus | | 5 | Eosinophilic Focus, Multiple | X X | 6 | Fatty Change, Diffuse | 1 | 14 1.0| Fatty Change, Focal | | 7 1.6| Hematopoietic Cell Proliferation | 1 | 19 1.1| Hepatodiaphragmatic Nodule | | 1 | Hyperplasia, Nodular | | 3 | Inflammation | 1 2 1 | 45 1.2| Mixed Cell Focus | X | 5 | Mixed Cell Focus, Multiple | X X | 30 | Necrosis | | 9 2.2| _____________________________________________________________________________________________________________________|____________| * : 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: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 5| 3| 2| | | | 9| 0| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | TERT.MIX | 9| 9| 9| | L | TEQ=22 | 5| 7| 8| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Pigmentation | 1 | 41 1.2| Toxic Hepatopathy | | 14 1.0| Bile Duct, Cyst | | 3 2.3| Bile Duct, Fibrosis | | 1 1.0| Bile Duct, Hyperplasia | | 5 1.4| Centrilobular, Degeneration | | 1 3.0| Hepatocyte, Hypertrophy | 1 1 | 34 1.2| Hepatocyte, Multinucleated | | 10 1.2| Oval Cell, Hyperplasia | | 1 1.0| |__________________________________________________________________________|____________| Mesentery | | 2 | Necrosis | | 1 3.0| Fat, Necrosis | | 1 3.0| |__________________________________________________________________________|____________| Oral Mucosa | | 19 | Gingival, Hyperplasia, Squamous | | 18 1.4| |__________________________________________________________________________|____________| Pancreas | + + + | 53 | Inflammation, Chronic Active | | 6 1.3| Acinus, Atrophy | 1 | 7 1.7| Acinus, Hyperplasia | | 1 2.0| Acinus, Vacuolization Cytoplasmic | | 3 1.3| Artery, Inflammation, Chronic Active | | 3 1.7| Duct, Cyst | | 1 2.0| |__________________________________________________________________________|____________| Salivary Glands | + + + | 53 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + | 53 | Edema | | 1 3.0| Erosion | | 1 1.0| Hyperkeratosis | | 2 2.5| Hyperplasia, Squamous | | 4 2.3| Inflammation | | 2 2.5| Mineralization | | 4 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 55 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 5| 3| 2| | | | 9| 0| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | TERT.MIX | 9| 9| 9| | L | TEQ=22 | 5| 7| 8| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Ulcer | | 2 2.5| |__________________________________________________________________________|____________| Stomach, Glandular | + + + | 53 | Mineralization | | 3 1.3| |__________________________________________________________________________|____________| Tooth | | 27 | Peridontal Tissue, Inflammation | | 22 1.2| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + | 53 | |__________________________________________________________________________|____________| Heart | + + + | 53 | Cardiomyopathy | 1 | 31 1.1| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + | 53 | Angiectasis | 1 | 18 1.5| Degeneration, Cystic | 2 | 19 2.3| Hematopoietic Cell Proliferation | | 1 1.0| Hyperplasia | 3 | 23 2.8| Hypertrophy | 2 2 2 | 47 2.4| Necrosis | | 2 2.5| Vacuolization Cytoplasmic | 2 | 11 1.5| |__________________________________________________________________________|____________| Adrenal Medulla | + + + | 53 | Hyperplasia | | 12 1.8| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + | 53 | Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Parathyroid Gland | + + + | 49 | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : 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: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 5| 3| 2| | | | 9| 0| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | TERT.MIX | 9| 9| 9| | L | TEQ=22 | 5| 7| 8| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Pituitary Gland | + + + | 53 | Angiectasis | | 1 1.0| Cyst | | 1 2.0| Vacuolization Cytoplasmic | | 2 1.0| Pars Distalis, Hyperplasia | | 24 2.5| Pars Intermedia, Cyst | | 1 3.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + | 51 | C-Cell, Hyperplasia | 1 1 | 20 2.1| Follicular Cell, Hypertrophy | | 12 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + | 53 | Inflammation | 3 2 | 37 1.3| Duct, Cyst | 3 | 44 2.1| |__________________________________________________________________________|____________| Ovary | + + + | 53 | Atrophy | 4 4 | 43 4.0| Cyst | 3 | 20 2.3| Inflammation, Chronic Active | | 1 4.0| |__________________________________________________________________________|____________| Uterus | + + + | 53 | Adenomyosis | | 1 2.0| Inflammation, Chronic Active | | 1 3.0| Inflammation, Suppurative | | 9 1.8| Metaplasia, Squamous | 3 | 32 2.3| Endometrium, Hyperplasia, Cystic | 2 3 | 34 2.1| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 57 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 5| 3| 2| | | | 9| 0| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | TERT.MIX | 9| 9| 9| | L | TEQ=22 | 5| 7| 8| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Bone Marrow | + + + | 53 | Hyperplasia | 2 2 | 34 2.7| |__________________________________________________________________________|____________| Lymph Node | | 2 | Lumbar, Ectasia | | 1 2.0| Lumbar, Hemorrhage | | 1 2.0| Lumbar, Hyperplasia, Lymphoid | | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + | 53 | Ectasia | | 1 2.0| Hyperplasia, Plasma Cell | 2 | 30 2.1| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 53 | Hyperplasia, Lymphoid | | 1 4.0| |__________________________________________________________________________|____________| Spleen | + + + | 53 | Hematopoietic Cell Proliferation | 1 1 2 | 42 1.5| Pigmentation | 1 2 1 | 52 1.4| Lymphoid Follicle, Atrophy | | 3 2.0| Red Pulp, Atrophy | | 3 2.0| |__________________________________________________________________________|____________| Thymus | + + + | 50 | Atrophy | 4 3 4 | 45 3.3| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + | 53 | Cyst | | 1 2.0| Hyperplasia | 1 | 14 1.1| Inflammation, Granulomatous | | 1 3.0| |__________________________________________________________________________|____________| Skin | + + + | 53 | Cyst Epithelial Inclusion | | 1 | Hyperkeratosis | | 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 58 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 5| 3| 2| | | | 9| 0| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | TERT.MIX | 9| 9| 9| | L | TEQ=22 | 5| 7| 8| | | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + | 53 | Mineralization | | 1 1.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + | 53 | Hydrocephalus | | 2 2.0| Inflammation, Granulomatous | | 1 2.0| Mineralization | | 1 1.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + | 53 | Congestion | | 1 3.0| Edema | | 2 2.0| Hemorrhage | | 1 2.0| Infiltration Cellular, Histiocyte | 2 2 | 48 1.6| Inflammation | 2 | 3 2.0| Metaplasia, Squamous | | 2 2.0| Alveolar Epithelium, Hyperplasia | 2 | 10 1.3| Alveolar Epithelium, Metaplasia, | | | Bronchiolar | 3 1 | 33 1.6| |__________________________________________________________________________|____________| Nose | + + + | 53 | Inflammation | | 2 2.0| Goblet Cell, Hyperplasia | | 2 2.0| |__________________________________________________________________________|____________| Trachea | + + + | 53 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | | 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 59 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 5| 3| 2| | | | 9| 0| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | TERT.MIX | 9| 9| 9| | L | TEQ=22 | 5| 7| 8| | | _____________________________________________________________________________________________________________________|____________| SPECIAL SENSES SYSTEM - cont | | | Eye | + + + | 53 | Retina, Atrophy | | 2 2.0| |__________________________________________________________________________|____________| Harderian Gland | + + + | 52 | Inflammation | | 4 1.3| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + | 53 | Calculus Micro Observation Only | 1 | 8 1.6| Casts Protein | 1 | 1 1.0| Inflammation, Chronic Active | | 1 3.0| Inflammation, Suppurative | | 3 1.0| Mineralization | 1 1 1 | 47 1.1| Nephropathy | 1 | 40 1.3| Pelvis, Dilatation | | 1 3.0| Pelvis, Inflammation | | 1 3.0| Renal Tubule, Necrosis | | 1 2.0| Transitional Epithelium, Hyperplasia | 1 | 8 1.9| |__________________________________________________________________________|____________| Ureter | | 1 | Inflammation | | 1 2.0| Transitional Epithelium, Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + | 53 | Inflammation | 1 | 4 1.5| Transitional 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 60 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 4| 7| 5| 6| 6| 6| 4| 7| 6| 5| 5| 6| 6| 7| 5| 5| 6| 6| 4| 6| 7| 7| 7| 7| 6| DAY ON TEST | 6| 2| 0| 6| 6| 8| 6| 3| 2| 8| 4| 1| 6| 2| 2| 2| 6| 9| 9| 1| 3| 3| 2| 3| 8| | 5| 9| 5| 9| 9| 2| 9| 0| 6| 5| 2| 6| 9| 9| 1| 1| 9| 7| 0| 9| 0| 0| 9| 0| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 4| 4| TEQ=46 | 6| 7| 9| 0| 1| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 1| 3| 4| 5| 7| 9| 0| 1| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Muscularis, Inflammation | | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | Artery, Inflammation, Chronic Active | 2 | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X | Basophilic Focus, Multiple | X X X | Cholangiofibrosis | 3 1 | Clear Cell Focus, Multiple | | Degeneration, Cystic | 1 | Eosinophilic Focus | X X | Eosinophilic Focus, Multiple | X X X X X X X X X X | Fatty Change, Diffuse | 1 1 1 1 1 1 2 1 1 1 1 2 1 1 1 1 | Fatty Change, Focal | 1| Hematopoietic Cell Proliferation | 1 1 1 1 | Hyperplasia, Nodular | X X X X | Inflammation | 1 1 1 1 1 1 1 2 1 2 1 2 1 2 2 1 1 2 2 2 1 2 1| Karyomegaly | | Mixed Cell Focus | | Mixed Cell Focus, Multiple | X X X X X X X X X X X X X X| Necrosis | 2 2 1 | Pigmentation | 2 3 2 2 2 2 1 1 1 2 2 2 2 2 2 2 2 2 3 2 2 2 2 | Toxic Hepatopathy | 1 2 1 1 2 1 2 1 1 1 3 2 2 2 2 2 2 1| Bile Duct, Cyst | | __________________________________________|__________________________________________________________________________| Page 61 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 4| 7| 5| 6| 6| 6| 4| 7| 6| 5| 5| 6| 6| 7| 5| 5| 6| 6| 4| 6| 7| 7| 7| 7| 6| DAY ON TEST | 6| 2| 0| 6| 6| 8| 6| 3| 2| 8| 4| 1| 6| 2| 2| 2| 6| 9| 9| 1| 3| 3| 2| 3| 8| | 5| 9| 5| 9| 9| 2| 9| 0| 6| 5| 2| 6| 9| 9| 1| 1| 9| 7| 0| 9| 0| 0| 9| 0| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 4| 4| TEQ=46 | 6| 7| 9| 0| 1| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 1| 3| 4| 5| 7| 9| 0| 1| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Bile Duct, Fibrosis | 1 2 1 | Bile Duct, Hyperplasia | 1 2 2 1 3 1 1 1 1 | Centrilobular, Degeneration | 2 | Hepatocyte, Hypertrophy | 1 2 2 1 3 1 2 2 1 2 2 1 1 1 3 3 4 1 1 1 2 2| Hepatocyte, Multinucleated | 1 2 1 1 1 1 1 2 3 1 1 2 1 2 2 2 2 2 2 2 2 | Oval Cell, Hyperplasia | 2 2 1 2 1 1 4 1 2 1 1 | |__________________________________________________________________________| Mesentery | + + + | Artery, Inflammation, Chronic Active | 4 3 | Fat, Necrosis | 3 | |__________________________________________________________________________| Oral Mucosa | + + + + + + + + + + + + +| Gingival, Hyperplasia, Squamous | 2 2 2 1 2 2 2 2 1 2 1| |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 2 3 | Inflammation, Granulomatous | 2 | Acinus, Atrophy | 2 2 3 | Acinus, Vacuolization Cytoplasmic | 1 1 1 1 1 | Artery, Inflammation, Chronic Active | 3 3 2 3 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 3 | Mineralization | | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 | Diverticulum | X | Hyperkeratosis | 2 2 | Hyperplasia, Squamous | 2 2 1 1 1 3 | Inflammation | 3 | Mineralization | | Ulcer | 2 | Artery, Inflammation, Chronic Active | 2 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 62 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 4| 7| 5| 6| 6| 6| 4| 7| 6| 5| 5| 6| 6| 7| 5| 5| 6| 6| 4| 6| 7| 7| 7| 7| 6| DAY ON TEST | 6| 2| 0| 6| 6| 8| 6| 3| 2| 8| 4| 1| 6| 2| 2| 2| 6| 9| 9| 1| 3| 3| 2| 3| 8| | 5| 9| 5| 9| 9| 2| 9| 0| 6| 5| 2| 6| 9| 9| 1| 1| 9| 7| 0| 9| 0| 0| 9| 0| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 4| 4| TEQ=46 | 6| 7| 9| 0| 1| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 1| 3| 4| 5| 7| 9| 0| 1| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Tooth | + + + + + + + + + + + + + +| Peridontal Tissue, Inflammation | 2 1 2 1 1 1 1 1 1 1 1 1| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| Aorta, Mineralization | 2 | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 2 1 1 1 2 1 1 1 1| Mineralization | 2 | Artery, Degeneration | 2 | Artery, Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 1 2 2 1 1 2 2 | Degeneration, Cystic | 2 2 3 2 2 3 2 3| Hyperplasia | 2 3 3 3 3 2 3 2 3 3 3 | Hypertrophy | 2 2 4 2 1 2 4 1 1 2 2 2 1 3 3 3 2 2 1 2 3 3| Inflammation | | Vacuolization Cytoplasmic | 2 2 | Capsule, Inflammation | 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 1 1 2 3 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Parathyroid Gland | + + + + + + M + + M M + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 3 | Cyst | | Vacuolization Cytoplasmic | 1 2 1 | Pars Distalis, Hyperplasia | 3 3 4 2 3 2 2 2 3 1 2| __________________________________________|__________________________________________________________________________| Page 63 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 4| 7| 5| 6| 6| 6| 4| 7| 6| 5| 5| 6| 6| 7| 5| 5| 6| 6| 4| 6| 7| 7| 7| 7| 6| DAY ON TEST | 6| 2| 0| 6| 6| 8| 6| 3| 2| 8| 4| 1| 6| 2| 2| 2| 6| 9| 9| 1| 3| 3| 2| 3| 8| | 5| 9| 5| 9| 9| 2| 9| 0| 6| 5| 2| 6| 9| 9| 1| 1| 9| 7| 0| 9| 0| 0| 9| 0| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 4| 4| TEQ=46 | 6| 7| 9| 0| 1| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 1| 3| 4| 5| 7| 9| 0| 1| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 3 2 2 1 2 | Follicular Cell, Hypertrophy | 2 2 2 1 2 2 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + M + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 2 | Inflammation | 1 1 2 1 1 1 1 1 1 2 1 1 1 1 | Duct, Cyst | 3 3 2 2 3 2 2 1 2 2 3 2 3 2 3 2 2 2 1| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 3 4 4 4 4 4 4| Cyst | 2 3 2 2 2 | Inflammation, Chronic Active | 4 | |__________________________________________________________________________| Oviduct | | Inflammation, Chronic Active | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenomyosis | 2 | Inflammation, Chronic Active | 4 | Inflammation, Suppurative | 3 2 3 2 1 2 | Metaplasia, Squamous | 3 4 2 1 3 1 2 2 3 3 3 4 4 3 2| Thrombosis | | Ulcer | | Endometrium, Hyperplasia, Cystic | 4 1 3 1 3 2 2 3 1 1 1 2| |__________________________________________________________________________| Vagina | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 3 3 3 3 3 3 4 2 3 3 2 3 2 3 3 4 2 2 3 2| __________________________________________|__________________________________________________________________________| Page 64 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 4| 7| 5| 6| 6| 6| 4| 7| 6| 5| 5| 6| 6| 7| 5| 5| 6| 6| 4| 6| 7| 7| 7| 7| 6| DAY ON TEST | 6| 2| 0| 6| 6| 8| 6| 3| 2| 8| 4| 1| 6| 2| 2| 2| 6| 9| 9| 1| 3| 3| 2| 3| 8| | 5| 9| 5| 9| 9| 2| 9| 0| 6| 5| 2| 6| 9| 9| 1| 1| 9| 7| 0| 9| 0| 0| 9| 0| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 4| 4| TEQ=46 | 6| 7| 9| 0| 1| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 1| 3| 4| 5| 7| 9| 0| 1| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | |__________________________________________________________________________| Lymph Node | + + + + + | Lumbar, Hyperplasia, Plasma Cell | 2 2 | Mediastinal, Ectasia | 2 2 | Mediastinal, Fibrosis | | Mediastinal, Hemorrhage | 2 | Mediastinal, Hyperplasia, Histiocytic| | Popliteal, Hyperplasia, Plasma Cell | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | | Hemorrhage | | Hyperplasia, Plasma Cell | 1 2 2 3 2 2 3 2 | Necrosis, Focal | | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Histiocytic | | Pigmentation | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 1 1 2 2 2 2 3 1 1 1 1 2 2 3 1 1 1 2| Pigmentation | 2 1 1 1 1 1 2 1 1 1 2 1 1 1 2 1 1 2 2 2 2 2 1| Lymphoid Follicle, Atrophy | 2 3 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 4 4 3 4 4 4 4 4 3 4 4 2 4 4 4 4 4 4 2 4 4| Ectopic Thyroid | 4 | Hemorrhage | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | 1 1 1 | Inflammation, Granulomatous | 4 2 | Inflammation, Suppurative | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 65 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 4| 7| 5| 6| 6| 6| 4| 7| 6| 5| 5| 6| 6| 7| 5| 5| 6| 6| 4| 6| 7| 7| 7| 7| 6| DAY ON TEST | 6| 2| 0| 6| 6| 8| 6| 3| 2| 8| 4| 1| 6| 2| 2| 2| 6| 9| 9| 1| 3| 3| 2| 3| 8| | 5| 9| 5| 9| 9| 2| 9| 0| 6| 5| 2| 6| 9| 9| 1| 1| 9| 7| 0| 9| 0| 0| 9| 0| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 4| 4| TEQ=46 | 6| 7| 9| 0| 1| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 1| 3| 4| 5| 7| 9| 0| 1| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | Cyst Epithelial Inclusion | X | Inflammation, Suppurative | 2 | Ulcer | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | Hydrocephalus | 2 | Mineralization | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 | Edema | 3 | Infiltration Cellular, Histiocyte | 2 2 2 2 1 2 1 1 2 2 2 2 1 2 2 1 2 1 1 1 2 2| Inflammation | 3 | Metaplasia, Squamous | 2 3 | Mineralization | 1 | Alveolar Epithelium, Hyperplasia | | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 2 2 1 2 3 1 2 1 2 1 3 2 3 2 1 1 3 2| |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | | Goblet Cell, Hyperplasia | | Goblet Cell, Septum, Hyperplasia | 2 | Nasolacrimal Duct, Inflammation | 3 | Respiratory Epithelium, Hyperplasia | 2 | Turbinate, Cyst | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 66 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 4| 7| 5| 6| 6| 6| 4| 7| 6| 5| 5| 6| 6| 7| 5| 5| 6| 6| 4| 6| 7| 7| 7| 7| 6| DAY ON TEST | 6| 2| 0| 6| 6| 8| 6| 3| 2| 8| 4| 1| 6| 2| 2| 2| 6| 9| 9| 1| 3| 3| 2| 3| 8| | 5| 9| 5| 9| 9| 2| 9| 0| 6| 5| 2| 6| 9| 9| 1| 1| 9| 7| 0| 9| 0| 0| 9| 0| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 4| 4| TEQ=46 | 6| 7| 9| 0| 1| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 1| 3| 4| 5| 7| 9| 0| 1| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Retina, Atrophy | 2 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | | Casts Protein | | Cyst | 3 | Inflammation, Chronic | | Inflammation, Suppurative | 1 | Mineralization | 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1| Nephropathy | 2 2 1 1 1 1 1 2 1 1 1 1 1 3 1 1 1 2 1 1 2 1| Pelvis, Dilatation | 3 | Pelvis, Inflammation | 3 | Renal Tubule, Hyperplasia | 2 1 | Transitional Epithelium, Hyperplasia | 2 2 2 3 | |__________________________________________________________________________| Ureter | + | Metaplasia, Squamous | 2 | Transitional Epithelium, Hyperplasia | 3 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | Inflammation | 1 1 | Metaplasia, Squamous | | Transitional Epithelium, Hyperplasia | | __________________________________________|__________________________________________________________________________ Page 67 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 3| 7| 6| 7| 2| 6| 7| 7| 6| 7| 3| 7| 7| 7| 7| 3| 7| 6| 7| DAY ON TEST | 3| 6| 2| 3| 2| 6| 2| 2| 6| 3| 7| 6| 0| 2| 2| 3| 3| 2| 2| 3| 3| 1| 2| 8| 3| | 0| 9| 9| 0| 9| 8| 2| 9| 8| 0| 6| 8| 2| 9| 6| 0| 3| 9| 9| 0| 0| 5| 9| 2| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 5| 5| 5| 6| 6| 6| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| TEQ=46 | 3| 4| 5| 6| 8| 9| 1| 2| 4| 2| 3| 4| 5| 7| 9| 1| 2| 4| 5| 6| 7| 9| 0| 1| 2| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Muscularis, Inflammation | 1 | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | Artery, Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Basophilic Focus, Multiple | X X X | Cholangiofibrosis | 2 | Clear Cell Focus, Multiple | X | Degeneration, Cystic | | Eosinophilic Focus | X X X | Eosinophilic Focus, Multiple | X X X X X | Fatty Change, Diffuse | 2 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1| Fatty Change, Focal | 2 | Hematopoietic Cell Proliferation | 1 1 1 1 | Hyperplasia, Nodular | X X X X X | Inflammation | 1 1 1 1 1 1 2 1 1 2 1 1 1 2 1 2 1 2 2 2 1 1 1 1| Karyomegaly | 3 | Mixed Cell Focus | X| Mixed Cell Focus, Multiple | X X X X X X X X X X X X X X X X X X X | Necrosis | | Pigmentation | 2 1 2 2 2 2 1 2 1 2 2 3 2 1 2 2 2 2 2 2 2 2| Toxic Hepatopathy | 1 1 2 1 1 2 2 3 2 1 1 2 2 1 1 1 1| Bile Duct, Cyst | 2 2 3 2 | __________________________________________|__________________________________________________________________________| Page 68 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 3| 7| 6| 7| 2| 6| 7| 7| 6| 7| 3| 7| 7| 7| 7| 3| 7| 6| 7| DAY ON TEST | 3| 6| 2| 3| 2| 6| 2| 2| 6| 3| 7| 6| 0| 2| 2| 3| 3| 2| 2| 3| 3| 1| 2| 8| 3| | 0| 9| 9| 0| 9| 8| 2| 9| 8| 0| 6| 8| 2| 9| 6| 0| 3| 9| 9| 0| 0| 5| 9| 2| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 5| 5| 5| 6| 6| 6| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| TEQ=46 | 3| 4| 5| 6| 8| 9| 1| 2| 4| 2| 3| 4| 5| 7| 9| 1| 2| 4| 5| 6| 7| 9| 0| 1| 2| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Bile Duct, Fibrosis | 1 2 | Bile Duct, Hyperplasia | 1 2 1 1 1 2 2 1 1 3 2 1 1| Centrilobular, Degeneration | | Hepatocyte, Hypertrophy | 1 1 1 1 2 1 1 2 1 1 1 3 1 1 1 1 1 1 1 1 2 1| Hepatocyte, Multinucleated | 1 2 1 1 1 1 1 1 2 1 1 1 2 1 1| Oval Cell, Hyperplasia | 2 1 1 1 2 1 1 1 2 2 1 1| |__________________________________________________________________________| Mesentery | + + +| Artery, Inflammation, Chronic Active | 4 | Fat, Necrosis | 3| |__________________________________________________________________________| Oral Mucosa | + + + + + + + + + + + + + + | Gingival, Hyperplasia, Squamous | 1 1 3 1 1 1 1 3 1 1 2 2 1 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 1 1 | Inflammation, Granulomatous | | Acinus, Atrophy | 1 1 | Acinus, Vacuolization Cytoplasmic | 1 1 1 1 1 1 1 1 1 | Artery, Inflammation, Chronic Active | 2 3 2 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | | Mineralization | 2| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Diverticulum | | Hyperkeratosis | | Hyperplasia, Squamous | 1 2 | Inflammation | | Mineralization | 1 1 | Ulcer | | Artery, Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 1 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 69 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 3| 7| 6| 7| 2| 6| 7| 7| 6| 7| 3| 7| 7| 7| 7| 3| 7| 6| 7| DAY ON TEST | 3| 6| 2| 3| 2| 6| 2| 2| 6| 3| 7| 6| 0| 2| 2| 3| 3| 2| 2| 3| 3| 1| 2| 8| 3| | 0| 9| 9| 0| 9| 8| 2| 9| 8| 0| 6| 8| 2| 9| 6| 0| 3| 9| 9| 0| 0| 5| 9| 2| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 5| 5| 5| 6| 6| 6| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| TEQ=46 | 3| 4| 5| 6| 8| 9| 1| 2| 4| 2| 3| 4| 5| 7| 9| 1| 2| 4| 5| 6| 7| 9| 0| 1| 2| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Tooth | + + + + + + + + + + + + + + + + + + + +| Peridontal Tissue, Inflammation | 1 1 1 1 2 1 1 4 2 1 1 1 2 1 1 1 1 1 1| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + M + + +| Aorta, Mineralization | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + M + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 1 1 2 1 | Mineralization | | Artery, Degeneration | | Artery, Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 2 1 1 2 2 3 1 | Degeneration, Cystic | 2 2 2 3 2 3 2 2 2 3 2 3 2 2 2 | Hyperplasia | 3 2 3 1 3 3 2 3 2 3 1 3 | Hypertrophy | 2 3 3 3 2 3 3 4 2 3 2 2 3 4 4 2 3 3 2 2 3| Inflammation | 2 | Vacuolization Cytoplasmic | 1 2 2 1 | Capsule, Inflammation | | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 2 2 1 1 1 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + M M M + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Cyst | 1 2 | Vacuolization Cytoplasmic | | Pars Distalis, Hyperplasia | 3 2 2 1 3 1 3 3 4 | __________________________________________|__________________________________________________________________________| Page 70 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 3| 7| 6| 7| 2| 6| 7| 7| 6| 7| 3| 7| 7| 7| 7| 3| 7| 6| 7| DAY ON TEST | 3| 6| 2| 3| 2| 6| 2| 2| 6| 3| 7| 6| 0| 2| 2| 3| 3| 2| 2| 3| 3| 1| 2| 8| 3| | 0| 9| 9| 0| 9| 8| 2| 9| 8| 0| 6| 8| 2| 9| 6| 0| 3| 9| 9| 0| 0| 5| 9| 2| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 5| 5| 5| 6| 6| 6| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| TEQ=46 | 3| 4| 5| 6| 8| 9| 1| 2| 4| 2| 3| 4| 5| 7| 9| 1| 2| 4| 5| 6| 7| 9| 0| 1| 2| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + A + + +| C-Cell, Hyperplasia | 2 2 3 3 2 2 3 3 3 2 | Follicular Cell, Hypertrophy | 2 1 2 1 2 1 1 2 2 2 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + M + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | | Inflammation | 2 1 1 2 2 2 1 1 1 2 3 2 1 2 1 1 1| Duct, Cyst | 3 1 2 1 3 1 2 3 4 3 3 3 3 3 3 2 1| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 3 4 4 4 4 4 4 4 4 4 4 4 3 4| Cyst | 2 3 2 3 2 2 3 2 2| Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Oviduct | + + | Inflammation, Chronic Active | 4 4 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenomyosis | 2 | Inflammation, Chronic Active | | Inflammation, Suppurative | 1 2 1 2 1 2 2 | Metaplasia, Squamous | 2 1 2 2 1 2 1 3 2 1 4 2 2 3 2 2 2 2| Thrombosis | 3 | Ulcer | 3 | Endometrium, Hyperplasia, Cystic | 3 1 2 4 2 2 4 2 1 2 2 3 1 3 3 1 2 2 4 3| |__________________________________________________________________________| Vagina | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 3 3 4 4 3 3 4 4 2 2 3 3 2 3 3 4 2 3| __________________________________________|__________________________________________________________________________| Page 71 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 3| 7| 6| 7| 2| 6| 7| 7| 6| 7| 3| 7| 7| 7| 7| 3| 7| 6| 7| DAY ON TEST | 3| 6| 2| 3| 2| 6| 2| 2| 6| 3| 7| 6| 0| 2| 2| 3| 3| 2| 2| 3| 3| 1| 2| 8| 3| | 0| 9| 9| 0| 9| 8| 2| 9| 8| 0| 6| 8| 2| 9| 6| 0| 3| 9| 9| 0| 0| 5| 9| 2| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 5| 5| 5| 6| 6| 6| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| TEQ=46 | 3| 4| 5| 6| 8| 9| 1| 2| 4| 2| 3| 4| 5| 7| 9| 1| 2| 4| 5| 6| 7| 9| 0| 1| 2| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | |__________________________________________________________________________| Lymph Node | + + +| Lumbar, Hyperplasia, Plasma Cell | 3 | Mediastinal, Ectasia | 2| Mediastinal, Fibrosis | 2| Mediastinal, Hemorrhage | | Mediastinal, Hyperplasia, Histiocytic| | Popliteal, Hyperplasia, Plasma Cell | 3 | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 3 3 | Hemorrhage | 1 | Hyperplasia, Plasma Cell | 3 2 2 2 2 2 2 4 3 2 2 2 2 | Necrosis, Focal | 3 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Histiocytic | 2 | Pigmentation | 3 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 1 2 2 1 3 3 3 1 2 2 3 1 1 1 1 1 1 1 1 2 1| Pigmentation | 1 1 2 1 1 2 1 1 1 1 2 1 2 1 2 2 2 1 1 1 1| Lymphoid Follicle, Atrophy | | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 4 4 4 4 4 2 4 4 4 4 4 4 4 4 4 2 4 3 4 4 2 3 4 4| Ectopic Thyroid | | Hemorrhage | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | 1 1 1 1 1 1 1 1 1 | Inflammation, Granulomatous | | Inflammation, Suppurative | 2 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 72 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 3| 7| 6| 7| 2| 6| 7| 7| 6| 7| 3| 7| 7| 7| 7| 3| 7| 6| 7| DAY ON TEST | 3| 6| 2| 3| 2| 6| 2| 2| 6| 3| 7| 6| 0| 2| 2| 3| 3| 2| 2| 3| 3| 1| 2| 8| 3| | 0| 9| 9| 0| 9| 8| 2| 9| 8| 0| 6| 8| 2| 9| 6| 0| 3| 9| 9| 0| 0| 5| 9| 2| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 5| 5| 5| 6| 6| 6| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| TEQ=46 | 3| 4| 5| 6| 8| 9| 1| 2| 4| 2| 3| 4| 5| 7| 9| 1| 2| 4| 5| 6| 7| 9| 0| 1| 2| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | Cyst Epithelial Inclusion | X X | Inflammation, Suppurative | | Ulcer | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 1 | Hydrocephalus | 2 | Mineralization | 1 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Edema | 2 | Infiltration Cellular, Histiocyte | 3 1 2 2 2 2 1 1 1 1 1 2 1 2 2 1 1 2 1 2 2 2 1| Inflammation | | Metaplasia, Squamous | 3 1 2 2 2 | Mineralization | | Alveolar Epithelium, Hyperplasia | 1 1 | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 2 1 1 3 3 2 1 1 1 2 1 1 1 1 3 2 3 2 2 1| |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 | Goblet Cell, Hyperplasia | | Goblet Cell, Septum, Hyperplasia | | Nasolacrimal Duct, Inflammation | | Respiratory Epithelium, Hyperplasia | 2 1 2 | Turbinate, Cyst | 2 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 73 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 3| 7| 6| 7| 2| 6| 7| 7| 6| 7| 3| 7| 7| 7| 7| 3| 7| 6| 7| DAY ON TEST | 3| 6| 2| 3| 2| 6| 2| 2| 6| 3| 7| 6| 0| 2| 2| 3| 3| 2| 2| 3| 3| 1| 2| 8| 3| | 0| 9| 9| 0| 9| 8| 2| 9| 8| 0| 6| 8| 2| 9| 6| 0| 3| 9| 9| 0| 0| 5| 9| 2| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 5| 5| 5| 6| 6| 6| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| TEQ=46 | 3| 4| 5| 6| 8| 9| 1| 2| 4| 2| 3| 4| 5| 7| 9| 1| 2| 4| 5| 6| 7| 9| 0| 1| 2| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Retina, Atrophy | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 1 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | 1 2 2 3 | Casts Protein | 1 | Cyst | | Inflammation, Chronic | 4 | Inflammation, Suppurative | 2 2 | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 3 1 1 1| Nephropathy | 1 2 2 1 2 1 1 1 1 1 2 2 1 1 1 1 2 2 1 2 1 1| Pelvis, Dilatation | | Pelvis, Inflammation | 2 | Renal Tubule, Hyperplasia | | Transitional Epithelium, Hyperplasia | 1 2 2 3 1 | |__________________________________________________________________________| Ureter | | Metaplasia, Squamous | | Transitional Epithelium, Hyperplasia | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 2 | Inflammation | 2 1 2 1 1 | Metaplasia, Squamous | 3 | Transitional Epithelium, Hyperplasia | 3 3 2 | __________________________________________|__________________________________________________________________________ Page 74 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 3| 3| | | | 8| 0| 0| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | TERT.MIX | 9| 9| 9| | L | TEQ=46 | 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + | 53 | Muscularis, Inflammation | | 1 1.0| |__________________________________________________________________________|____________| Intestine Large, Colon | + + + | 53 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + | 53 | Parasite Metazoan | | 1 | Artery, Inflammation, Chronic Active | | 2 2.5| |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + | 53 | |__________________________________________________________________________|____________| Liver | + + + | 53 | Basophilic Focus | | 5 | Basophilic Focus, Multiple | X | 7 | Cholangiofibrosis | 4 | 4 2.5| Clear Cell Focus, Multiple | | 1 | Degeneration, Cystic | | 1 1.0| Eosinophilic Focus | | 5 | Eosinophilic Focus, Multiple | | 15 | Fatty Change, Diffuse | 1 1 | 34 1.1| Fatty Change, Focal | | 2 1.5| Hematopoietic Cell Proliferation | | 8 1.0| Hyperplasia, Nodular | X X | 11 | Inflammation | 2 1 1 | 50 1.3| Karyomegaly | | 1 3.0| Mixed Cell Focus | | 1 | Mixed Cell Focus, Multiple | X X | 35 | _____________________________________________________________________________________________________________________|____________| * : 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 75 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 3| 3| | | | 8| 0| 0| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | TERT.MIX | 9| 9| 9| | L | TEQ=46 | 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Necrosis | | 3 1.7| Pigmentation | 2 2 2 | 48 1.9| Toxic Hepatopathy | 2 1 2 | 38 1.6| Bile Duct, Cyst | | 4 2.3| Bile Duct, Fibrosis | | 5 1.4| Bile Duct, Hyperplasia | 1 1 1 | 25 1.4| Centrilobular, Degeneration | | 1 2.0| Hepatocyte, Hypertrophy | 2 1 | 46 1.5| Hepatocyte, Multinucleated | 2 2 1 | 39 1.5| Oval Cell, Hyperplasia | 1 1 1 | 26 1.4| |__________________________________________________________________________|____________| Mesentery | | 6 | Artery, Inflammation, Chronic Active | | 3 3.7| Fat, Necrosis | | 2 3.0| |__________________________________________________________________________|____________| Oral Mucosa | + + | 29 | Gingival, Hyperplasia, Squamous | 2 1 | 26 1.6| |__________________________________________________________________________|____________| Pancreas | + + + | 53 | Inflammation, Chronic Active | 1 | 7 1.7| Inflammation, Granulomatous | | 1 2.0| Acinus, Atrophy | 1 2 | 7 1.7| Acinus, Vacuolization Cytoplasmic | 1 | 15 1.0| Artery, Inflammation, Chronic Active | 3 | 8 2.6| |__________________________________________________________________________|____________| Salivary Glands | + + + | 53 | Inflammation | | 1 3.0| Mineralization | | 1 2.0| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + | 53 | Cyst | | 1 3.0| Diverticulum | | 1 | Hyperkeratosis | | 2 2.0| Hyperplasia, Squamous | 2 | 9 1.7| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 76 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 3| 3| | | | 8| 0| 0| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | TERT.MIX | 9| 9| 9| | L | TEQ=46 | 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Inflammation | | 1 3.0| Mineralization | | 2 1.0| Ulcer | | 1 2.0| Artery, Inflammation, Chronic Active | | 2 2.5| |__________________________________________________________________________|____________| Stomach, Glandular | + + + | 53 | Mineralization | | 3 1.7| |__________________________________________________________________________|____________| Tooth | + + + | 37 | Peridontal Tissue, Inflammation | 1 1 2 | 34 1.3| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + | 52 | Aorta, Mineralization | | 1 2.0| |__________________________________________________________________________|____________| Heart | + + + | 52 | Cardiomyopathy | 1 1 | 30 1.1| Mineralization | | 1 2.0| Artery, Degeneration | | 1 2.0| Artery, Inflammation, Chronic Active | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + | 53 | Angiectasis | | 17 1.6| Degeneration, Cystic | 1 3 | 25 2.3| Hyperplasia | 4 3 | 25 2.6| Hypertrophy | 2 3 2 | 46 2.5| Inflammation | | 1 2.0| Vacuolization Cytoplasmic | 2 | 7 1.7| Capsule, Inflammation | | 1 2.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + | 53 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 77 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 3| 3| | | | 8| 0| 0| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | TERT.MIX | 9| 9| 9| | L | TEQ=46 | 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Hyperplasia | 2 | 15 1.7| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + | 53 | Hyperplasia | | 2 2.0| |__________________________________________________________________________|____________| Parathyroid Gland | + + + | 47 | |__________________________________________________________________________|____________| Pituitary Gland | + + + | 53 | Angiectasis | | 2 2.5| Cyst | | 2 1.5| Vacuolization Cytoplasmic | | 3 1.3| Pars Distalis, Hyperplasia | | 20 2.5| |__________________________________________________________________________|____________| Thyroid Gland | + + + | 52 | C-Cell, Hyperplasia | 1 2 3 | 18 2.3| Follicular Cell, Hypertrophy | | 18 1.7| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + | 51 | Hyperplasia, Squamous | | 1 2.0| Inflammation | 1 1 | 33 1.3| Duct, Cyst | 2 2 3 | 39 2.3| |__________________________________________________________________________|____________| Ovary | + + + | 53 | Atrophy | 4 4 4 | 49 3.9| Cyst | | 14 2.3| Inflammation, Chronic Active | | 2 3.5| |__________________________________________________________________________|____________| Oviduct | | 2 | Inflammation, Chronic Active | | 2 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 78 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 3| 3| | | | 8| 0| 0| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | TERT.MIX | 9| 9| 9| | L | TEQ=46 | 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | |__________________________________________________________________________|____________| Uterus | + + + | 53 | Adenomyosis | | 2 2.0| Inflammation, Chronic Active | | 1 4.0| Inflammation, Suppurative | | 13 1.8| Metaplasia, Squamous | 4 4 | 35 2.4| Thrombosis | | 1 3.0| Ulcer | | 1 3.0| Endometrium, Hyperplasia, Cystic | 1 | 33 2.2| |__________________________________________________________________________|____________| Vagina | + | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + | 53 | Hyperplasia | 4 | 41 3.0| |__________________________________________________________________________|____________| Lymph Node | + | 9 | Lumbar, Hyperplasia, Plasma Cell | | 3 2.3| Mediastinal, Ectasia | 2 | 4 2.0| Mediastinal, Fibrosis | | 1 2.0| Mediastinal, Hemorrhage | | 1 2.0| Mediastinal, Hyperplasia, Histiocytic| 2 | 1 2.0| Popliteal, Hyperplasia, Plasma Cell | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + | 53 | Ectasia | | 2 3.0| Hemorrhage | | 1 1.0| Hyperplasia, Plasma Cell | 3 | 22 2.3| Necrosis, Focal | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 53 | Hyperplasia, Histiocytic | | 1 2.0| Pigmentation | | 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 79 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 3| 3| | | | 8| 0| 0| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | TERT.MIX | 9| 9| 9| | L | TEQ=46 | 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | |__________________________________________________________________________|____________| Spleen | + + + | 53 | Hematopoietic Cell Proliferation | 3 1 1 | 44 1.6| Pigmentation | 1 2 2 | 47 1.4| Lymphoid Follicle, Atrophy | | 2 2.5| |__________________________________________________________________________|____________| Thymus | + + + | 53 | Atrophy | 4 4 4 | 50 3.7| Ectopic Thyroid | | 1 4.0| Hemorrhage | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + | 53 | Cyst | 3 | 1 3.0| Hyperplasia | | 12 1.0| Inflammation, Granulomatous | 3 | 3 3.0| Inflammation, Suppurative | | 1 2.0| |__________________________________________________________________________|____________| Skin | + + + | 53 | Cyst Epithelial Inclusion | | 3 | Inflammation, Suppurative | | 1 2.0| Ulcer | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + | 53 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + | 53 | Edema | | 1 1.0| Hydrocephalus | | 2 2.0| Mineralization | | 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 80 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 3| 3| | | | 8| 0| 0| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | TERT.MIX | 9| 9| 9| | L | TEQ=46 | 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + | 53 | Congestion | | 1 3.0| Edema | | 2 2.5| Infiltration Cellular, Histiocyte | 2 2 2 | 48 1.6| Inflammation | | 1 3.0| Metaplasia, Squamous | 1 | 8 2.0| Mineralization | | 1 1.0| Alveolar Epithelium, Hyperplasia | | 2 1.0| Alveolar Epithelium, Metaplasia, | | | Bronchiolar | 2 2 2 | 41 1.8| |__________________________________________________________________________|____________| Nose | + + + | 53 | Inflammation | | 1 1.0| Goblet Cell, Hyperplasia | 2 | 1 2.0| Goblet Cell, Septum, Hyperplasia | | 1 2.0| Nasolacrimal Duct, Inflammation | | 1 3.0| Respiratory Epithelium, Hyperplasia | | 4 1.8| Turbinate, Cyst | | 1 2.0| |__________________________________________________________________________|____________| Trachea | + + + | 53 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + | 53 | Retina, Atrophy | | 1 2.0| |__________________________________________________________________________|____________| Harderian Gland | + + + | 53 | Inflammation | 1 | 5 1.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + | 53 | Calculus Micro Observation Only | | 4 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 81 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 5| 7| 7| | | DAY ON TEST | 4| 3| 3| | | | 8| 0| 0| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | TERT.MIX | 9| 9| 9| | L | TEQ=46 | 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM - cont | | | Casts Protein | | 1 1.0| Cyst | | 1 3.0| Inflammation, Chronic | | 1 4.0| Inflammation, Suppurative | | 3 1.7| Mineralization | 1 1 1 | 42 1.1| Nephropathy | 1 1 2 | 47 1.3| Pelvis, Dilatation | | 1 3.0| Pelvis, Inflammation | | 2 2.5| Renal Tubule, Hyperplasia | | 2 1.5| Transitional Epithelium, Hyperplasia | 2 | 10 2.0| |__________________________________________________________________________|____________| Ureter | | 1 | Metaplasia, Squamous | | 1 2.0| Transitional Epithelium, Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + | 53 | Edema | | 1 2.0| Inflammation | 2 | 8 1.4| Metaplasia, Squamous | | 1 3.0| Transitional Epithelium, Hyperplasia | | 3 2.7| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 82 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 5| 5| 5| 7| 7| 7| 3| 6| 0| 5| 7| 4| 7| 5| 4| 5| 7| 6| 7| 5| 5| 7| 4| 6| 3| DAY ON TEST | 2| 9| 7| 2| 2| 2| 8| 8| 0| 6| 2| 0| 2| 9| 3| 4| 2| 8| 2| 4| 6| 2| 9| 3| 9| | 6| 8| 5| 9| 9| 9| 7| 2| 2| 2| 8| 9| 9| 2| 4| 2| 9| 8| 9| 6| 3| 1| 7| 1| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| TEQ=100 | 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 5| 2| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + M + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | 4 | Serosa, Inflammation | | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + M + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | | |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + M + + + + + + + + + + + + + + + +| Serosa, Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + M + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + M + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + M + + + + + + + + + + + + + + + +| Angiectasis | 1 1 1 | Basophilic Focus | X X X X | Basophilic Focus, Multiple | X X X | Cholangiofibrosis | 1 3 2 2 2 2 2 | Degeneration, Cystic | 1 | Eosinophilic Focus, Multiple | X X X X X X X X X X X | Fatty Change, Diffuse | 1 1 1 1 1 1 1 1 1 2 1 1 2 2 1 2 | Fatty Change, Focal | 1| Hematopoietic Cell Proliferation | 1 1 1 1 1 | Hyperplasia, Nodular | X X X X X X X X X X X X X X X X | Inflammation | 2 2 1 2 2 1 1 1 2 1 1 2 2 2 1 2 2 1 1 3 1 1 1 1| Mixed Cell Focus, Multiple | X X X X X X X X X X X X X| Necrosis | 2 2 2 2 3 2 2 | Pigmentation | 2 2 2 2 2 2 1 2 2 2 1 2 3 2 2 3 3 3 2 2 2 3 2 2| Toxic Hepatopathy | 2 1 3 4 3 4 4 2 4 3 3 2 4 3 3 4 4 2 3 2| Bile Duct, Cyst | 2 2 2 2 | Bile Duct, Dilatation | 3 | Bile Duct, Fibrosis | 2 | __________________________________________|__________________________________________________________________________| Page 83 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 5| 5| 5| 7| 7| 7| 3| 6| 0| 5| 7| 4| 7| 5| 4| 5| 7| 6| 7| 5| 5| 7| 4| 6| 3| DAY ON TEST | 2| 9| 7| 2| 2| 2| 8| 8| 0| 6| 2| 0| 2| 9| 3| 4| 2| 8| 2| 4| 6| 2| 9| 3| 9| | 6| 8| 5| 9| 9| 9| 7| 2| 2| 2| 8| 9| 9| 2| 4| 2| 9| 8| 9| 6| 3| 1| 7| 1| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| TEQ=100 | 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 5| 2| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Bile Duct, Hyperplasia | 1 1 2 2 1 2 2 2 2 1 2 2 1 4 2 3 1 | Centrilobular, Degeneration | | Centrilobular, Fibrosis | | Hepatocyte, Hypertrophy | 2 3 2 2 3 3 2 3 4 4 2 3 3 2 3 2 3 4 1 4 3 3 3 1| Hepatocyte, Multinucleated | 1 3 1 2 2 2 1 1 3 2 1 3 2 1 2 2 2 2 3 2 3 3 2 1| Oval Cell, Hyperplasia | 1 2 3 2 2 3 2 1 2 2 3 2 2 3 2 2 2 | Portal, Fibrosis | 2 2 2 2 | Serosa, Fibrosis | | |__________________________________________________________________________| Mesentery | + + + + + | Inflammation, Chronic Active | 3 | Necrosis | | Artery, Inflammation, Chronic Active | 4 3 4 4 | |__________________________________________________________________________| Oral Mucosa | + + + + + + + + + + + + + + + +| Gingival, Hyperplasia, Squamous | 1 1 1 2 1 1 2 2 1 2 1 3 1 2 1 1| |__________________________________________________________________________| Pancreas | + + + + + + + + M + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 3 1 2 2 2 3 | Acinus, Atrophy | 2 2 2 2 2 3 2 2 | Acinus, Vacuolization Cytoplasmic | 1 1 1 2 1 1 1 2 2 1 1 1 1 1 1 | Artery, Inflammation, Chronic Active | 3 3 2 3 3 3 | Duct, Dilatation | 3 3 | Duct, Inflammation, Chronic Active | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + M + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia, Squamous | | Inflammation | 2 1 | Ulcer | 2 | Artery, Inflammation, Chronic Active | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + M + + + + + + + + + + + + + + + +| Mineralization | 2 | Artery, Inflammation, Chronic Active | 3 3 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 84 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 5| 5| 5| 7| 7| 7| 3| 6| 0| 5| 7| 4| 7| 5| 4| 5| 7| 6| 7| 5| 5| 7| 4| 6| 3| DAY ON TEST | 2| 9| 7| 2| 2| 2| 8| 8| 0| 6| 2| 0| 2| 9| 3| 4| 2| 8| 2| 4| 6| 2| 9| 3| 9| | 6| 8| 5| 9| 9| 9| 7| 2| 2| 2| 8| 9| 9| 2| 4| 2| 9| 8| 9| 6| 3| 1| 7| 1| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| TEQ=100 | 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 5| 2| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Tongue | +| Infiltration Cellular | 3| |__________________________________________________________________________| Tooth | + + + + + + + + + + + + +| Peridontal Tissue, Inflammation | 1 1 1 1 2 1 2 1 3 1 1 1 2| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| Aorta, Mineralization | 2 2| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 2 1 1 1 1 1 1 1 1 1 | Inflammation, Suppurative | 4 | Necrosis | 3 | Thrombosis | 3 | Artery, Degeneration | 2 | Artery, Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + M + + + + + + + + + + + + + + + +| Angiectasis | 1 2 2 | Atrophy | 3 2 2 2 2 2 3 4 4 | Degeneration, Cystic | 2 2 3 3 3 | Hematopoietic Cell Proliferation | | Hyperplasia | 2 3 2 2 2 3 2 2 3 | Hypertrophy | 2 4 2 2 2 3 2 3 1 1 2 2 2 4 2 3 1 3 2 2 3 2| Mineralization | | Necrosis | 3 2 | Vacuolization Cytoplasmic | 1 2 1 1 1 2 | Capsule, Inflammation | | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + M + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 1 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + M + + + + + + + + + + + + + + + +| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 85 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 5| 5| 5| 7| 7| 7| 3| 6| 0| 5| 7| 4| 7| 5| 4| 5| 7| 6| 7| 5| 5| 7| 4| 6| 3| DAY ON TEST | 2| 9| 7| 2| 2| 2| 8| 8| 0| 6| 2| 0| 2| 9| 3| 4| 2| 8| 2| 4| 6| 2| 9| 3| 9| | 6| 8| 5| 9| 9| 9| 7| 2| 2| 2| 8| 9| 9| 2| 4| 2| 9| 8| 9| 6| 3| 1| 7| 1| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| TEQ=100 | 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 5| 2| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Vacuolization Cytoplasmic | 1 | Pars Distalis, Hyperplasia | 2 3 1 2 2 2 2 2 2 2 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + A + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 2 3 2 3 4 1 | Follicular Cell, Hypertrophy | 2 2 2 2 2 2 1 3 1 3 1 1 1 2 3| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + M + + + + + + + + + + + + + + + +| Inflammation | 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1| Duct, Cyst | 2 2 1 1 2 1 1 2 3 3 3 4 2 1 2 3 3 3 3 3 1 2 1| |__________________________________________________________________________| Ovary | + + + + + + + + M + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 | Cyst | 2 2 | Hemorrhage | | Inflammation, Chronic Active | 4 | Artery, Inflammation, Chronic Active | 4 | |__________________________________________________________________________| Oviduct | + | Cyst | | Inflammation, Chronic Active | 4 | |__________________________________________________________________________| Uterus | + + + + + + + + M + + + + + + + + + + + + + + + +| Adenomyosis | 2 | Hemorrhage | 2 | Inflammation, Chronic Active | 2 | Inflammation, Suppurative | 3 2 4 | Metaplasia, Squamous | 2 1 1 2 4 3 2 3 4 2 3 2 3 3 | Necrosis | | __________________________________________|__________________________________________________________________________| Page 86 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 5| 5| 5| 7| 7| 7| 3| 6| 0| 5| 7| 4| 7| 5| 4| 5| 7| 6| 7| 5| 5| 7| 4| 6| 3| DAY ON TEST | 2| 9| 7| 2| 2| 2| 8| 8| 0| 6| 2| 0| 2| 9| 3| 4| 2| 8| 2| 4| 6| 2| 9| 3| 9| | 6| 8| 5| 9| 9| 9| 7| 2| 2| 2| 8| 9| 9| 2| 4| 2| 9| 8| 9| 6| 3| 1| 7| 1| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| TEQ=100 | 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 5| 2| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Endometrium, Fibrosis | | Endometrium, Hyperplasia, Cystic | 2 2 4 2 1 4 1 1 1 4 1 3 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 3 3 3 3 3 4 4 3 3 4 3 3 2 3 3 3 2 3 4 3 4 3 3 | |__________________________________________________________________________| Lymph Node | + + + + | Lumbar, Hyperplasia, Lymphoid | | Mediastinal, Ectasia | | Mediastinal, Hemorrhage | 1 3 | Mediastinal, Hyperplasia, Histiocytic| | Mediastinal, Hyperplasia, Lymphoid | 2 3 | Mediastinal, Hyperplasia, Plasma Cell| | Pancreatic, Hyperplasia, Histiocytic | | Pancreatic, Hyperplasia | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Plasma Cell | 2 2 2 2 2 3 3 2 2 2 2 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + M + + + + + + + + + + + + + + + +| Hemorrhage | | Hyperplasia, Histiocytic | 2 | Hyperplasia | | |__________________________________________________________________________| Spleen | + + + + + + + + M + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 2 2 1 1 3 3 1 1 1 1 2 2 2 2 3 | Hemorrhage | | Inflammation, Suppurative | 2 | Necrosis | | Pigmentation | 1 1 1 1 1 1 1 1 1 1 3 2 2 1 1 1 1 1 1 1 1 1| Lymphoid Follicle, Atrophy | 3 2 | |__________________________________________________________________________| Thymus | + + + + + + + M + + + + M + + + + + + + + + + M +| Atrophy | 3 4 4 4 4 4 2 4 4 4 4 4 4 4 4 4 4 4 4 4 3| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | __________________________________________|__________________________________________________________________________| Page 87 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 5| 5| 5| 7| 7| 7| 3| 6| 0| 5| 7| 4| 7| 5| 4| 5| 7| 6| 7| 5| 5| 7| 4| 6| 3| DAY ON TEST | 2| 9| 7| 2| 2| 2| 8| 8| 0| 6| 2| 0| 2| 9| 3| 4| 2| 8| 2| 4| 6| 2| 9| 3| 9| | 6| 8| 5| 9| 9| 9| 7| 2| 2| 2| 8| 9| 9| 2| 4| 2| 9| 8| 9| 6| 3| 1| 7| 1| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| TEQ=100 | 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 5| 2| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 1 1 | Inflammation, Granulomatous | 2 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | X | Ulcer | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 2 | Gliosis | 3 | Necrosis | 2 1 2 | Artery, Degeneration | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Edema | | Hemorrhage | 1| Infiltration Cellular, Histiocyte | 1 2 2 2 2 1 1 2 2 1 1 2 1 2 2 2 2 1 1 1 1 2 1 1| Inflammation | | Metaplasia, Squamous | 1 2 3 3 2 | Alveolar Epithelium, Hyperplasia | 1 | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 1 2 3 3 2 1 2 1 2 3 1 2 3 3 3 1 2 1 2 2 1 | Perivascular, Inflammation, Chronic | | Active | 3 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | | __________________________________________|__________________________________________________________________________| Page 88 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 5| 5| 5| 7| 7| 7| 3| 6| 0| 5| 7| 4| 7| 5| 4| 5| 7| 6| 7| 5| 5| 7| 4| 6| 3| DAY ON TEST | 2| 9| 7| 2| 2| 2| 8| 8| 0| 6| 2| 0| 2| 9| 3| 4| 2| 8| 2| 4| 6| 2| 9| 3| 9| | 6| 8| 5| 9| 9| 9| 7| 2| 2| 2| 8| 9| 9| 2| 4| 2| 9| 8| 9| 6| 3| 1| 7| 1| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| TEQ=100 | 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 5| 2| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Turbinate, Respiratory Epithelium, | | Hyperplasia | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | + | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Anterior Chamber, Ciliary Body, Iris,| | Inflammation, Suppurative | 2 | Cornea, Inflammation, Suppurative | 3 | Retina, Atrophy | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Inflammation | 1 1 2 1 | Necrosis | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + M + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | 2 | Developmental Malformation | | Fibrosis | | Inflammation, Suppurative | 1 3 | Mineralization | 1 1 1 1 1 1 1 1 1 2 1 2 1 1 1| Nephropathy | 1 1 1 3 3 1 1 1 4 1 1 2 2 1 2 1 3 1 2 3 3 3 1| Pelvis, Dilatation | | Pelvis, Inflammation | 2 | Transitional Epithelium, Hyperplasia | 2 2 3 3 | |__________________________________________________________________________| Ureter | +| |__________________________________________________________________________| Urinary Bladder | + + + + + + + + M + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation | 3 1 | __________________________________________|__________________________________________________________________________| Page 89 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 5| 5| 5| 7| 7| 7| 3| 6| 0| 5| 7| 4| 7| 5| 4| 5| 7| 6| 7| 5| 5| 7| 4| 6| 3| DAY ON TEST | 2| 9| 7| 2| 2| 2| 8| 8| 0| 6| 2| 0| 2| 9| 3| 4| 2| 8| 2| 4| 6| 2| 9| 3| 9| | 6| 8| 5| 9| 9| 9| 7| 2| 2| 2| 8| 9| 9| 2| 4| 2| 9| 8| 9| 6| 3| 1| 7| 1| 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| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| TEQ=100 | 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 5| 2| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Transitional Epithelium, Hyperplasia | 1 2 | __________________________________________|__________________________________________________________________________ Page 90 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 5| 5| 6| 5| 3| 7| 7| 6| 2| 4| 6| 6| 6| 6| 6| 7| 6| 6| 5| 4| 6| 6| 3| DAY ON TEST | 2| 2| 4| 4| 3| 8| 3| 1| 2| 8| 8| 3| 7| 1| 3| 8| 7| 2| 3| 7| 9| 9| 5| 8| 1| | 8| 3| 8| 8| 4| 9| 9| 8| 9| 9| 7| 4| 4| 7| 9| 9| 4| 9| 3| 4| 8| 8| 8| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 4| 4| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| TEQ=100 | 4| 5| 6| 8| 9| 3| 4| 5| 7| 8| 9| 0| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 5| 6| 7| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + M + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + M + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | 3 2 | Serosa, Inflammation | 3| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + M + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | 2 | |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Serosa, Inflammation, Chronic Active | | |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + M + + + + + + + M + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + M + + + + + + + M + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + M + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X X X X | Basophilic Focus, Multiple | X X X X X | Cholangiofibrosis | 3 3 2 3 3 3 1 | Degeneration, Cystic | 1 | Eosinophilic Focus, Multiple | X X X X X X | Fatty Change, Diffuse | 2 2 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 | Fatty Change, Focal | | Hematopoietic Cell Proliferation | 1 1 1 2| Hyperplasia, Nodular | X X X X X X X X X X X X X X X X X X X | Inflammation | 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1 2 1 2 1 1 1 1 1| Mixed Cell Focus, Multiple | X X X X | Necrosis | 3 3 3 2 2 1| Pigmentation | 2 2 3 3 3 2 2 2 2 2 2 2 3 2 2 2 2 2 2 3 3 2 3 2| Toxic Hepatopathy | 3 3 3 4 3 4 2 4 4 3 3 3 3 3 1 4 2 3 3 2 3 4 4 3| Bile Duct, Cyst | 2 2 1 3 | Bile Duct, Dilatation | | Bile Duct, Fibrosis | | __________________________________________|__________________________________________________________________________| Page 91 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 5| 5| 6| 5| 3| 7| 7| 6| 2| 4| 6| 6| 6| 6| 6| 7| 6| 6| 5| 4| 6| 6| 3| DAY ON TEST | 2| 2| 4| 4| 3| 8| 3| 1| 2| 8| 8| 3| 7| 1| 3| 8| 7| 2| 3| 7| 9| 9| 5| 8| 1| | 8| 3| 8| 8| 4| 9| 9| 8| 9| 9| 7| 4| 4| 7| 9| 9| 4| 9| 3| 4| 8| 8| 8| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 4| 4| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| TEQ=100 | 4| 5| 6| 8| 9| 3| 4| 5| 7| 8| 9| 0| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 5| 6| 7| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Bile Duct, Hyperplasia | 2 1 1 3 1 1 2 3 2 3 2 3 1 2 1 1 2 2 2 3 3 1| Centrilobular, Degeneration | 2 2 2 2 | Centrilobular, Fibrosis | 1| Hepatocyte, Hypertrophy | 4 3 3 3 3 3 2 4 4 3 4 3 3 4 3 4 3 2 3 4 3 3 3 3| Hepatocyte, Multinucleated | 2 3 2 3 2 3 2 2 2 2 2 2 2 1 2 2 2 2 2 2 3 2 2 2| Oval Cell, Hyperplasia | 3 2 1 3 1 2 2 3 2 3 2 3 1 2 1 2 3 3 2 3 3 1| Portal, Fibrosis | 2 1 1 2 2 | Serosa, Fibrosis | 2 | |__________________________________________________________________________| Mesentery | + + +| Inflammation, Chronic Active | 3| Necrosis | 4| Artery, Inflammation, Chronic Active | 3 4 | |__________________________________________________________________________| Oral Mucosa | + + + + + + + + + + + + + + | Gingival, Hyperplasia, Squamous | 2 4 1 1 1 3 1 3 1 1 2 1 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + M + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 2 1 2 3 1 1 2 1| Acinus, Atrophy | 2 2 1 2 2 3 3 2 1 1 2 2| Acinus, Vacuolization Cytoplasmic | 2 1 1 1 1 1 1 1 1 1 1 1 1 | Artery, Inflammation, Chronic Active | 3 3 3 3 2 4 4 | Duct, Dilatation | 3 3 3 | Duct, Inflammation, Chronic Active | 4 3 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 | Hyperplasia, Squamous | 3 2 2 4 2 2 | Inflammation | 2| Ulcer | 2| Artery, Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | | Artery, Inflammation, Chronic Active | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 92 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 5| 5| 6| 5| 3| 7| 7| 6| 2| 4| 6| 6| 6| 6| 6| 7| 6| 6| 5| 4| 6| 6| 3| DAY ON TEST | 2| 2| 4| 4| 3| 8| 3| 1| 2| 8| 8| 3| 7| 1| 3| 8| 7| 2| 3| 7| 9| 9| 5| 8| 1| | 8| 3| 8| 8| 4| 9| 9| 8| 9| 9| 7| 4| 4| 7| 9| 9| 4| 9| 3| 4| 8| 8| 8| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 4| 4| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| TEQ=100 | 4| 5| 6| 8| 9| 3| 4| 5| 7| 8| 9| 0| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 5| 6| 7| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Tongue | | Infiltration Cellular | | |__________________________________________________________________________| Tooth | + + + + + + + + + + + + + + + | Peridontal Tissue, Inflammation | 1 3 1 1 1 2 1 4 1 1 1 1 4 4 4 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| Aorta, Mineralization | 3 | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 | Inflammation, Suppurative | | Necrosis | | Thrombosis | | Artery, Degeneration | | Artery, Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + M + + + + + + + + + + + + + +| Angiectasis | 1 2 1 2 2 | Atrophy | 3 2 4 3 2 2 2 4 | Degeneration, Cystic | 2 1 3 2 2 2 2 2 2 | Hematopoietic Cell Proliferation | 1| Hyperplasia | 2 2 4 3 2 2 3 3 4 2 2 | Hypertrophy | 2 1 1 2 4 3 1 3 1 2 4 3 3 2 3 4 1 1 3 1 | Mineralization | 3 | Necrosis | | Vacuolization Cytoplasmic | 1 2 2 2 1 2 1 2 | Capsule, Inflammation | 3 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + M + + + + + + + + + + + + + +| Hyperplasia | 3 2 2 1 1 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + M + + + + + + + + + + + + + +| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 93 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 5| 5| 6| 5| 3| 7| 7| 6| 2| 4| 6| 6| 6| 6| 6| 7| 6| 6| 5| 4| 6| 6| 3| DAY ON TEST | 2| 2| 4| 4| 3| 8| 3| 1| 2| 8| 8| 3| 7| 1| 3| 8| 7| 2| 3| 7| 9| 9| 5| 8| 1| | 8| 3| 8| 8| 4| 9| 9| 8| 9| 9| 7| 4| 4| 7| 9| 9| 4| 9| 3| 4| 8| 8| 8| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 4| 4| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| TEQ=100 | 4| 5| 6| 8| 9| 3| 4| 5| 7| 8| 9| 0| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 5| 6| 7| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Parathyroid Gland | + + + + + + + + M + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 2 | Vacuolization Cytoplasmic | | Pars Distalis, Hyperplasia | 3 2 2 3 1 2 2 2 2 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + A + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 1 1 2 2 1 | Follicular Cell, Hypertrophy | 3 2 3 2 1 1 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + M + + + + + + + + M + + + + + + + + + + + + + +| Inflammation | 1 1 1 1 2 1 1 1 2 1 1 1| Duct, Cyst | 3 2 1 3 3 3 3 3 2 2 2 3 3 2 3 2 3 3 3| |__________________________________________________________________________| Ovary | + + + + + + + + + + M + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4| Cyst | 2 2 2 3 3 | Hemorrhage | 2 | Inflammation, Chronic Active | 3 3 4 4 | Artery, Inflammation, Chronic Active | | |__________________________________________________________________________| Oviduct | + + + + | Cyst | 2 | Inflammation, Chronic Active | 4 4 4 | |__________________________________________________________________________| Uterus | + + + + + + + + + + M + + + + + + + + + + + + + +| Adenomyosis | | Hemorrhage | | Inflammation, Chronic Active | 4 3| Inflammation, Suppurative | 3 4 3 | Metaplasia, Squamous | 4 3 3 2 1 1 3 2 3 2 3 1 3 1 1 4| Necrosis | 4| __________________________________________|__________________________________________________________________________| Page 94 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 5| 5| 6| 5| 3| 7| 7| 6| 2| 4| 6| 6| 6| 6| 6| 7| 6| 6| 5| 4| 6| 6| 3| DAY ON TEST | 2| 2| 4| 4| 3| 8| 3| 1| 2| 8| 8| 3| 7| 1| 3| 8| 7| 2| 3| 7| 9| 9| 5| 8| 1| | 8| 3| 8| 8| 4| 9| 9| 8| 9| 9| 7| 4| 4| 7| 9| 9| 4| 9| 3| 4| 8| 8| 8| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 4| 4| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| TEQ=100 | 4| 5| 6| 8| 9| 3| 4| 5| 7| 8| 9| 0| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 5| 6| 7| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Endometrium, Fibrosis | 2 | Endometrium, Hyperplasia, Cystic | 1 1 3 4 3 3 3 1 1 1 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 2 2 3 3 4| |__________________________________________________________________________| Lymph Node | + + + + + + | Lumbar, Hyperplasia, Lymphoid | 2 | Mediastinal, Ectasia | 2 2 | Mediastinal, Hemorrhage | | Mediastinal, Hyperplasia, Histiocytic| | Mediastinal, Hyperplasia, Lymphoid | | Mediastinal, Hyperplasia, Plasma Cell| 2 3 | Pancreatic, Hyperplasia, Histiocytic | 2 | Pancreatic, Hyperplasia | 4 | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Plasma Cell | 2 2 3 2 3 2 3 1 2 3 3 3 2 3| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + M + + + + + + + M + + + + + +| Hemorrhage | 2 | Hyperplasia, Histiocytic | | Hyperplasia | 4 | |__________________________________________________________________________| Spleen | + + + + + + + + + + M + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 1 1 1 2 1 1 1 2 2 1 2 1 1 1 2 1 2 2 2 1 2 4| Hemorrhage | 2 | Inflammation, Suppurative | | Necrosis | 3 | Pigmentation | 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1| Lymphoid Follicle, Atrophy | | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 3 4 4 4 4 4 4 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | __________________________________________|__________________________________________________________________________| Page 95 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 5| 5| 6| 5| 3| 7| 7| 6| 2| 4| 6| 6| 6| 6| 6| 7| 6| 6| 5| 4| 6| 6| 3| DAY ON TEST | 2| 2| 4| 4| 3| 8| 3| 1| 2| 8| 8| 3| 7| 1| 3| 8| 7| 2| 3| 7| 9| 9| 5| 8| 1| | 8| 3| 8| 8| 4| 9| 9| 8| 9| 9| 7| 4| 4| 7| 9| 9| 4| 9| 3| 4| 8| 8| 8| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 4| 4| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| TEQ=100 | 4| 5| 6| 8| 9| 3| 4| 5| 7| 8| 9| 0| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 5| 6| 7| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + M + + + + + + + + + + + + + +| Hyperplasia | 1 1 1 1 | Inflammation, Granulomatous | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | X | Ulcer | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 2 2 | Gliosis | | Necrosis | | Artery, Degeneration | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Edema | | Hemorrhage | | Infiltration Cellular, Histiocyte | 2 1 2 2 1 2 1 2 2 1 1 1 1 1 2 1 1 1 2 1 1 1 2 | Inflammation | 3 | Metaplasia, Squamous | 1 2 2 1 1 | Alveolar Epithelium, Hyperplasia | | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 2 1 2 3 2 2 1 1 2 1 3 2 1 2 2 1 3 | Perivascular, Inflammation, Chronic | | Active | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 2 | __________________________________________|__________________________________________________________________________| Page 96 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 5| 5| 6| 5| 3| 7| 7| 6| 2| 4| 6| 6| 6| 6| 6| 7| 6| 6| 5| 4| 6| 6| 3| DAY ON TEST | 2| 2| 4| 4| 3| 8| 3| 1| 2| 8| 8| 3| 7| 1| 3| 8| 7| 2| 3| 7| 9| 9| 5| 8| 1| | 8| 3| 8| 8| 4| 9| 9| 8| 9| 9| 7| 4| 4| 7| 9| 9| 4| 9| 3| 4| 8| 8| 8| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 4| 4| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| TEQ=100 | 4| 5| 6| 8| 9| 3| 4| 5| 7| 8| 9| 0| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 5| 6| 7| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Turbinate, Respiratory Epithelium, | | Hyperplasia | 2 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Anterior Chamber, Ciliary Body, Iris,| | Inflammation, Suppurative | | Cornea, Inflammation, Suppurative | | Retina, Atrophy | 2 2 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 4| Inflammation | 1 1 | Necrosis | 4| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + M + + + + + + + + + + + + + +| Calculus Micro Observation Only | | Developmental Malformation | X | Fibrosis | | Inflammation, Suppurative | 4 3 3 | Mineralization | 1 2 2 1 2 1 1 1 1 1 1 1 2 1 1 1 1 1| Nephropathy | 3 1 1 2 3 2 4 3 3 2 2 2 3 1 2 2 2 3 1 3 2 3 3| Pelvis, Dilatation | 2 | Pelvis, Inflammation | | Transitional Epithelium, Hyperplasia | 3 2 | |__________________________________________________________________________| Ureter | | |__________________________________________________________________________| Urinary Bladder | + M + + + + + + + + M + + + + + + + + + + + + + +| Hemorrhage | 2 | Inflammation | 3 1 | __________________________________________|__________________________________________________________________________| Page 97 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 _____________________________________________________________________________________________________________________ | 7| 6| 5| 5| 6| 5| 3| 7| 7| 6| 2| 4| 6| 6| 6| 6| 6| 7| 6| 6| 5| 4| 6| 6| 3| DAY ON TEST | 2| 2| 4| 4| 3| 8| 3| 1| 2| 8| 8| 3| 7| 1| 3| 8| 7| 2| 3| 7| 9| 9| 5| 8| 1| | 8| 3| 8| 8| 4| 9| 9| 8| 9| 9| 7| 4| 4| 7| 9| 9| 4| 9| 3| 4| 8| 8| 8| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| TERT.MIX | 4| 4| 4| 4| 4| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| TEQ=100 | 4| 5| 6| 8| 9| 3| 4| 5| 7| 8| 9| 0| 2| 4| 6| 7| 8| 9| 0| 1| 2| 3| 5| 6| 7| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Transitional Epithelium, Hyperplasia | 1 | __________________________________________|__________________________________________________________________________ Page 98 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 6| 1| 9| | | | 6| 5| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | TERT.MIX | 8| 8| 9| | L | TEQ=100 | 8| 9| 6| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + | 53 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + | 51 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + | 52 | Artery, Inflammation, Chronic Active | | 3 3.0| Serosa, Inflammation | | 1 3.0| |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + | 51 | Artery, Inflammation, Chronic Active | | 1 2.0| |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + | 52 | Serosa, Inflammation, Chronic Active | | 1 3.0| |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + | 50 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + | 50 | |__________________________________________________________________________|____________| Liver | + + + | 51 | Angiectasis | | 3 1.0| Basophilic Focus | | 8 | Basophilic Focus, Multiple | | 8 | Cholangiofibrosis | 1 3 3 | 17 2.3| Degeneration, Cystic | | 2 1.0| Eosinophilic Focus, Multiple | X X | 19 | Fatty Change, Diffuse | 2 2 | 36 1.3| Fatty Change, Focal | | 1 1.0| Hematopoietic Cell Proliferation | | 9 1.1| Hyperplasia, Nodular | X X X | 38 | Inflammation | 1 2 1 | 50 1.3| Mixed Cell Focus, Multiple | | 17 | Necrosis | 1 3 | 15 2.2| Pigmentation | 2 3 2 | 51 2.2| _____________________________________________________________________________________________________________________|____________| * : 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 99 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 6| 1| 9| | | | 6| 5| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | TERT.MIX | 8| 8| 9| | L | TEQ=100 | 8| 9| 6| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Toxic Hepatopathy | 4 4 3 | 47 3.1| Bile Duct, Cyst | 2 | 9 2.0| Bile Duct, Dilatation | | 1 3.0| Bile Duct, Fibrosis | | 1 2.0| Bile Duct, Hyperplasia | 2 2 1 | 42 1.9| Centrilobular, Degeneration | 3 2 | 6 2.2| Centrilobular, Fibrosis | | 1 1.0| Hepatocyte, Hypertrophy | 3 3 | 50 3.0| Hepatocyte, Multinucleated | 2 2 3 | 51 2.1| Oval Cell, Hyperplasia | 3 3 1 | 42 2.2| Portal, Fibrosis | 2 3 | 11 1.9| Serosa, Fibrosis | | 1 2.0| |__________________________________________________________________________|____________| Mesentery | | 8 | Inflammation, Chronic Active | | 2 3.0| Necrosis | | 1 4.0| Artery, Inflammation, Chronic Active | | 6 3.7| |__________________________________________________________________________|____________| Oral Mucosa | + | 31 | Gingival, Hyperplasia, Squamous | 2 | 30 1.6| |__________________________________________________________________________|____________| Pancreas | + + + | 51 | Inflammation, Chronic Active | | 16 1.8| Acinus, Atrophy | | 20 2.0| Acinus, Vacuolization Cytoplasmic | 1 1 | 30 1.1| Artery, Inflammation, Chronic Active | 2 | 14 2.9| Duct, Dilatation | | 5 3.0| Duct, Inflammation, Chronic Active | | 2 3.5| |__________________________________________________________________________|____________| Salivary Glands | + + + | 53 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + | 52 | Cyst | | 1 3.0| Hyperplasia, Squamous | | 6 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 100 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 6| 1| 9| | | | 6| 5| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | TERT.MIX | 8| 8| 9| | L | TEQ=100 | 8| 9| 6| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Inflammation | | 3 1.7| Ulcer | | 2 2.0| Artery, Inflammation, Chronic Active | | 1 3.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + | 52 | Mineralization | | 1 2.0| Artery, Inflammation, Chronic Active | | 2 3.0| |__________________________________________________________________________|____________| Tongue | | 1 | Infiltration Cellular | | 1 3.0| |__________________________________________________________________________|____________| Tooth | + + | 30 | Peridontal Tissue, Inflammation | 2 1 | 30 1.7| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + | 53 | Aorta, Mineralization | | 3 2.3| |__________________________________________________________________________|____________| Heart | + + + | 53 | Cardiomyopathy | 1 1 1 | 32 1.1| Inflammation, Suppurative | | 1 4.0| Necrosis | | 1 3.0| Thrombosis | | 1 3.0| Artery, Degeneration | | 1 2.0| Artery, Inflammation, Chronic Active | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + | 51 | Angiectasis | | 8 1.6| Atrophy | 2 | 18 2.7| Degeneration, Cystic | 1 2 | 16 2.1| Hematopoietic Cell Proliferation | | 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 101 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 6| 1| 9| | | | 6| 5| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | TERT.MIX | 8| 8| 9| | L | TEQ=100 | 8| 9| 6| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Hyperplasia | 3 | 21 2.5| Hypertrophy | 2 4 1 | 45 2.3| Mineralization | | 1 3.0| Necrosis | | 2 2.5| Vacuolization Cytoplasmic | 2 | 15 1.5| Capsule, Inflammation | | 1 3.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + | 51 | Hyperplasia | 2 | 9 1.6| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + | 51 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + | 52 | |__________________________________________________________________________|____________| Pituitary Gland | + + + | 53 | Angiectasis | | 3 2.3| Vacuolization Cytoplasmic | | 1 1.0| Pars Distalis, Hyperplasia | | 19 2.1| |__________________________________________________________________________|____________| Thyroid Gland | + + + | 51 | C-Cell, Hyperplasia | 2 | 14 2.0| Follicular Cell, Hypertrophy | 3 | 23 1.9| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + | 50 | Inflammation | 1 | 29 1.1| Duct, Cyst | 1 2 | 44 2.3| |__________________________________________________________________________|____________| Ovary | + + + | 51 | Atrophy | 4 | 40 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 102 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 6| 1| 9| | | | 6| 5| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | TERT.MIX | 8| 8| 9| | L | TEQ=100 | 8| 9| 6| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | Cyst | | 7 2.3| Hemorrhage | | 1 2.0| Inflammation, Chronic Active | | 5 3.6| Artery, Inflammation, Chronic Active | | 1 4.0| |__________________________________________________________________________|____________| Oviduct | | 5 | Cyst | | 1 2.0| Inflammation, Chronic Active | | 4 4.0| |__________________________________________________________________________|____________| Uterus | + + + | 51 | Adenomyosis | | 1 2.0| Hemorrhage | | 1 2.0| Inflammation, Chronic Active | | 3 3.0| Inflammation, Suppurative | | 6 3.2| Metaplasia, Squamous | | 30 2.4| Necrosis | | 1 4.0| Endometrium, Fibrosis | | 1 2.0| Endometrium, Hyperplasia, Cystic | | 23 2.1| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + | 53 | Hyperplasia | 3 3 | 48 3.0| |__________________________________________________________________________|____________| Lymph Node | + | 11 | Lumbar, Hyperplasia, Lymphoid | | 1 2.0| Mediastinal, Ectasia | | 2 2.0| Mediastinal, Hemorrhage | | 2 2.0| Mediastinal, Hyperplasia, Histiocytic| 2 | 1 2.0| Mediastinal, Hyperplasia, Lymphoid | | 2 2.5| Mediastinal, Hyperplasia, Plasma Cell| 2 | 3 2.3| Pancreatic, Hyperplasia, Histiocytic | | 1 2.0| Pancreatic, Hyperplasia | | 1 4.0| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 103 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 6| 1| 9| | | | 6| 5| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | TERT.MIX | 8| 8| 9| | L | TEQ=100 | 8| 9| 6| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Lymph Node, Mandibular | + + + | 53 | Hyperplasia, Plasma Cell | 3 2 | 27 2.3| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 50 | Hemorrhage | | 1 2.0| Hyperplasia, Histiocytic | | 1 2.0| Hyperplasia | | 1 4.0| |__________________________________________________________________________|____________| Spleen | + + + | 51 | Hematopoietic Cell Proliferation | 1 1 1 | 42 1.6| Hemorrhage | | 1 2.0| Inflammation, Suppurative | | 1 2.0| Necrosis | | 1 3.0| Pigmentation | 1 1 1 | 46 1.1| Lymphoid Follicle, Atrophy | 2 | 3 2.3| |__________________________________________________________________________|____________| Thymus | + + + | 50 | Atrophy | 4 4 4 | 48 3.9| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + | 52 | Hyperplasia | 1 | 9 1.0| Inflammation, Granulomatous | | 1 2.0| |__________________________________________________________________________|____________| Skin | + + + | 53 | Cyst Epithelial Inclusion | X | 3 | Ulcer | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + | 53 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 104 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 6| 1| 9| | | | 6| 5| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | TERT.MIX | 8| 8| 9| | L | TEQ=100 | 8| 9| 6| | | _____________________________________________________________________________________________________________________|____________| NERVOUS SYSTEM - cont | | | |__________________________________________________________________________|____________| Brain | + + + | 53 | Edema | | 3 2.0| Gliosis | | 1 3.0| Necrosis | | 3 1.7| Artery, Degeneration | | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + | 53 | Cyst | 3 | 1 3.0| Edema | 2 | 1 2.0| Hemorrhage | | 1 1.0| Infiltration Cellular, Histiocyte | 2 1 1 | 50 1.4| Inflammation | 3 | 2 3.0| Metaplasia, Squamous | 3 | 11 1.9| Alveolar Epithelium, Hyperplasia | 2 | 2 1.5| Alveolar Epithelium, Metaplasia, | | | Bronchiolar | 2 2 | 40 1.9| Perivascular, Inflammation, Chronic | | | Active | | 1 3.0| |__________________________________________________________________________|____________| Nose | + + + | 53 | Inflammation | | 1 2.0| Turbinate, Respiratory Epithelium, | | | Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Trachea | + + + | 53 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | | 1 | |__________________________________________________________________________|____________| Eye | + + + | 53 | _____________________________________________________________________________________________________________________|____________| * : 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: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 09/29/03 Route: GAVAGE Time: 12:07:43 __________________________________________________________________________________________________________________________________ | 6| 7| 3| | | DAY ON TEST | 6| 1| 9| | | | 6| 5| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | TERT.MIX | 8| 8| 9| | L | TEQ=100 | 8| 9| 6| | | _____________________________________________________________________________________________________________________|____________| SPECIAL SENSES SYSTEM - cont | | | Anterior Chamber, Ciliary Body, Iris,| | | Inflammation, Suppurative | | 1 2.0| Cornea, Inflammation, Suppurative | | 1 3.0| Retina, Atrophy | 2 | 3 2.0| |__________________________________________________________________________|____________| Harderian Gland | + + + | 53 | Inflammation, Chronic Active | | 1 4.0| Inflammation | 1 | 7 1.1| Necrosis | | 1 4.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + | 51 | Calculus Micro Observation Only | | 1 2.0| Developmental Malformation | | 1 | Fibrosis | 2 | 1 2.0| Inflammation, Suppurative | 3 | 6 2.8| Mineralization | 1 1 | 35 1.2| Nephropathy | 2 4 1 | 49 2.1| Pelvis, Dilatation | | 1 2.0| Pelvis, Inflammation | | 1 2.0| Transitional Epithelium, Hyperplasia | 2 3 | 8 2.5| |__________________________________________________________________________|____________| Ureter | | 1 | |__________________________________________________________________________|____________| Urinary Bladder | + + + | 50 | Hemorrhage | | 1 2.0| Inflammation | 2 | 5 2.0| Transitional Epithelium, Hyperplasia | 3 | 4 1.8| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 106 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------