TR 346 Mouse Pathology Tables
NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 Facility: Battelle Northwest Chemical CAS #: 75-00-3 Lock Date: None Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 1| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 5| DAY ON TEST | 0| 0| 9| 0| 3| 0| 9| 0| 0| 0| 0| 6| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 2| 0| 0| | 1| 1| 2| 1| 2| 1| 6| 1| 1| 1| 1| 5| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 9| 1| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| Anus, Ulcer | | __________________________________________________________________________| Intestine Large, Cecum | M M + M + + + M M + + M + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + M + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + A + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + M + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + M + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Hematopoietic Cell Proliferation | 2 1 2| Inflammation, Chronic | | Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + M + + +| Atrophy | | Inflammation, Chronic | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 2 2 2 2 2 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + M + + + + + + + + + + +| Hyperkeratosis | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 1 | Metaplasia, Focal, Squamous | 2 | Ulcer | | __________________________________________________________________________| Tooth | + | Peridontal Tissue, Abscess | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Coronary Artery, Inflammation, | | Chronic | 3 | Valve, Degeneration, Mucoid | 2 2 1 1 2| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Capsule, Inflammation, Necrotizing | 4| Subcapsular, Hyperplasia | 3 3 2 2 2 2 2 2 2 2 2 2 2 3 2 2 3 3 2 2 2 2 2| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 1| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 5| DAY ON TEST | 0| 0| 9| 0| 3| 0| 9| 0| 0| 0| 0| 6| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 2| 0| 0| | 1| 1| 2| 1| 2| 1| 6| 1| 1| 1| 1| 5| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 9| 1| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Atrophy | 4 | Degeneration | 2 1 1 2 2 1 2 1 1 2 1 1 2 2 1 2 2 1 1 2| Fibrosis | 2 1 1 1 1 1 2 1 1 1 1 1 1 1 1 2 2 1 1 2| Hyperplasia | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 3 | __________________________________________________________________________| Parathyroid Gland | + + M + + + M + + M M M + M M + + + M + + + M + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hemorrhage | 2 | Pars Distalis, Hyperplasia, Focal | 2 1 | Pars Distalis, Hyperplasia | 2 2 3 3 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Follicular Cell, Hyperplasia, Focal | 2 | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | | Cyst Multilocular | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Abscess | | Atrophy | 2 | Cyst | 2 2 2 2 2 2 2 2 2 | Inflammation, Chronic | | Inflammation, Suppurative | | Necrosis, Liquifactive | 4| Periovarian Tissue, Inflammation, | | Chronic | 2 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Endometrium, Hyperplasia, Cystic | 2 2 2 2 2 2 1 2 1 2 2 2 2 3 2 2 3 2 2 2 2| Endometrium, Hyperplasia | | Endometrium, Inflammation, Chronic | | Endometrium, Inflammation, | | Suppurative | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 2 1 2 3 2 1 3 2 2 2 3 3 1 2 3 3 2 2 | _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 1| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 5| DAY ON TEST | 0| 0| 9| 0| 3| 0| 9| 0| 0| 0| 0| 6| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 2| 0| 0| | 1| 1| 2| 1| 2| 1| 6| 1| 1| 1| 1| 5| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 9| 1| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + M + + + + M + + +| Infiltration Cellular, Histiocyte | 1 | Mediastinal, Hyperplasia, Chronic, | | Lymphoid | | Mesenteric, Edema, Acute | 3 | Mesenteric, Hemorrhage, Acute | 3 | Mesenteric, Infiltration Cellular, | | Histiocyte | 1 | __________________________________________________________________________| Lymph Node, Bronchial | + + + M + + + + + + + + + + M M M M + M + M + + +| Hyperplasia, Lymphoid | 3| Infiltration Cellular, Histiocyte | 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + M + + M + + + + + + + + + + M + + + + M + + +| Ectasia | 1 | Hyperplasia, Lymphoid | 2 3 2 | Infiltration Cellular, Histiocyte | 2 1 1 2 2| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Erythrophagocytosis | | Hematopoietic Cell Proliferation | 2 2 1 3| Hyperplasia, Lymphoid | 2 2 | __________________________________________________________________________| Thymus | + + + + M + M + + + + + + + + + + + + + + + + + +| Cyst | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + M + + + + + + M + + + + + + + + + M M M + + +| Inflammation | 2| Duct, Ectasia | 3 3| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Epidermis, Atrophy | 3 | Hair Follicle, Atrophy | 2 2 2 2 3 2 2 3 3 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Cranium, Developmental Malformation | | __________________________________________________________________________| Skeletal Muscle | + | Intercostal, Abscess | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage, Acute | 3 | Cerebrum, Infiltration Cellular, | | Histiocyte | 1 | Thalamus, Mineralization | 2 2 2 2 2 2| Ventricle, Dilatation | | _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 1| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 5| DAY ON TEST | 0| 0| 9| 0| 3| 0| 9| 0| 0| 0| 0| 6| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 2| 0| 0| | 1| 1| 2| 1| 2| 1| 6| 1| 1| 1| 1| 5| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 9| 1| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 3| Inflammation, Chronic, Multifocal | 2 2 3 2 2 2 2 2 1 2 2 | Alveolus, Infiltration Cellular, | | Histiocyte | | Bronchiole, Hyperplasia, Multifocal | | Bronchus, Inflammation, Suppurative | | Glands, Ectasia | 2 2| Vein, Metaplasia, Focal, Osseous | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Mucosa, Inflammation, Suppurative | | Respiratory Epithelium, Hyperplasia | | Respiratory Epithelium, Metaplasia, | | Squamous | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Glands, Dilatation | 2 | Submucosa, Inflammation, Chronic | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + | __________________________________________________________________________| Eye | + | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | | Hypoplasia | 4 | Inflammation, Chronic | 2 2 2 2 2 2 2 | Inflammation, Suppurative | | Nephropathy | 1 1 2 2 1 2| Capsule, Inflammation, Suppurative | 2| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + M| Inflammation, Chronic | 2 2 2 2 1 1 2 2 | _____________________________________________________________________________________________________________________| Page 5 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 6| 7| 1| 7| 6| 7| 7| 6| 6| 5| 7| 7| 7| 6| 5| 7| 6| 0| 7| 7| 7| 7| 7| 6| 6| | DAY ON TEST | 5| 0| 6| 0| 7| 0| 0| 8| 5| 9| 0| 0| 0| 6| 8| 0| 8| 5| 0| 0| 0| 0| 0| 6| 5| | | 7| 1| 6| 1| 1| 1| 1| 2| 1| 7| 1| 1| 1| 3| 7| 1| 8| 2| 1| 1| 1| 1| 1| 8| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperkeratosis | 3 | 1 3.0| __________________________________________________________________________|____________| Gallbladder | M + A + A A M A A + + M + + A + + + + M + + + +| 39 | Inflammation, Chronic | 1 | 2 1.5| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + A + + + + + + + + + + + + + + +| 48 | Anus, Ulcer | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + A + + + + + + + + + + + + + + M| 41 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + A + + + + + + + + + + + + + A +| 47 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + M + + + + + A + + + + + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Small | + + M + A + + + A + + + + + + + + + + + + + A +| 45 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + M + A + + + A + + + + + + + + + + + + + A +| 44 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + M + A + + + A + + + + + + + + + + + + + A +| 44 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + M + A + + + A + + + + + + + + + + + + + A +| 44 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | 2 | 1 2.0| Hematopoietic Cell Proliferation | 1 2 2 1 | 7 1.6| Inflammation, Chronic | 2 | 1 2.0| Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Atrophy | 3 4 | 2 3.5| Inflammation, Chronic | 2 1 2 | 4 1.8| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + M + + + + + + + + + + + + + +| 48 | Inflammation, Chronic | 2 2 2 2 2 | 12 1.9| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hyperkeratosis | 3 | 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | | 1 1.0| Metaplasia, Focal, Squamous | | 1 2.0| Ulcer | 2 | 1 2.0| __________________________________________________________________________|____________| Tooth | | 1 | Peridontal Tissue, Abscess | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Coronary Artery, Inflammation, | | | Chronic | | 1 3.0| Valve, Degeneration, Mucoid | 1 2 | 7 1.6| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 6 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 6| 7| 1| 7| 6| 7| 7| 6| 6| 5| 7| 7| 7| 6| 5| 7| 6| 0| 7| 7| 7| 7| 7| 6| 6| | DAY ON TEST | 5| 0| 6| 0| 7| 0| 0| 8| 5| 9| 0| 0| 0| 6| 8| 0| 8| 5| 0| 0| 0| 0| 0| 6| 5| | | 7| 1| 6| 1| 1| 1| 1| 2| 1| 7| 1| 1| 1| 3| 7| 1| 8| 2| 1| 1| 1| 1| 1| 8| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Capsule, Inflammation, Necrotizing | | 1 4.0| Subcapsular, Hyperplasia | 3 2 2 2 2 2 1 2 2 3 2 2 2 1 2 2 3 3 2 2 2 2| 45 2.2| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | | 1 4.0| Degeneration | 1 1 2 2 1 1 2 2 2 2 2 2 2 2 2 2 2 1 2 1| 40 1.6| Fibrosis | 1 1 1 2 1 1 1 2 2 1 1 2 2 2 2 2 1 1 1 1| 40 1.3| Hyperplasia | 2 1 | 2 1.5| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + I + + + + + + + +| 48 | Inflammation, Chronic | | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | M + M + M + + M M M + M M M + M M + + + + M + M| 27 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Pars Distalis, Hemorrhage | | 1 2.0| Pars Distalis, Hyperplasia, Focal | | 2 1.5| Pars Distalis, Hyperplasia | 2 2 2 3 3 2 | 10 2.4| __________________________________________________________________________|____________| Thyroid Gland | + + M + + + + + + + + + + + + + + + + + + + + +| 48 | Atrophy | 2 | 1 2.0| Follicular Cell, Hyperplasia, Focal | 1 | 2 1.5| Follicular Cell, Hyperplasia | 2 2 | 2 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 2 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + | 1 | Cyst Multilocular | 3 | 1 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Abscess | 4 | 1 4.0| Atrophy | | 1 2.0| Cyst | 4 2 2 2 4 2 3 3 | 17 2.4| Inflammation, Chronic | 2 | 1 2.0| Inflammation, Suppurative | 4 | 1 4.0| Necrosis, Liquifactive | | 1 4.0| Periovarian Tissue, Inflammation, | | | Chronic | 2 2 2 | 4 2.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + +| 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 7 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 6| 7| 1| 7| 6| 7| 7| 6| 6| 5| 7| 7| 7| 6| 5| 7| 6| 0| 7| 7| 7| 7| 7| 6| 6| | DAY ON TEST | 5| 0| 6| 0| 7| 0| 0| 8| 5| 9| 0| 0| 0| 6| 8| 0| 8| 5| 0| 0| 0| 0| 0| 6| 5| | | 7| 1| 6| 1| 1| 1| 1| 2| 1| 7| 1| 1| 1| 3| 7| 1| 8| 2| 1| 1| 1| 1| 1| 8| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Endometrium, Hyperplasia, Cystic | 2 2 2 2 2 2 2 2 3 2 2 2 2 4 2 1 2 2| 39 2.1| Endometrium, Hyperplasia | 2 2 | 2 2.0| Endometrium, Inflammation, Chronic | 1 | 1 1.0| Endometrium, Inflammation, | | | Suppurative | 3 2 4 | 3 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Myelofibrosis | 2 2 2 3 2 1 2 2 2 2 2 2 1 1 2 2 2 1| 36 2.0| __________________________________________________________________________|____________| Lymph Node | + + M + + + + + + + + + + + + + + + + + + + + +| 46 | Infiltration Cellular, Histiocyte | | 1 1.0| Mediastinal, Hyperplasia, Chronic, | | | Lymphoid | 2 | 1 2.0| Mesenteric, Edema, Acute | | 1 3.0| Mesenteric, Hemorrhage, Acute | | 1 3.0| Mesenteric, Infiltration Cellular, | | | Histiocyte | | 1 1.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | M + M + + + + + + + + + + + + M + + M + + + + I| 37 | Hyperplasia, Lymphoid | 4 2 | 3 3.0| Infiltration Cellular, Histiocyte | 1 | 2 1.5| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + M + + + + + + M + + M + + + + M + + + + + +| 41 | Ectasia | | 1 1.0| Hyperplasia, Lymphoid | | 3 2.3| Infiltration Cellular, Histiocyte | 2 1 2 2 2 1 2 2 2| 14 1.7| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | 3 | 1 3.0| Erythrophagocytosis | 2 2 | 2 2.0| Hematopoietic Cell Proliferation | 3 3 2 3 3 2 3 | 11 2.5| Hyperplasia, Lymphoid | 4 3 | 4 2.8| __________________________________________________________________________|____________| Thymus | M + M + + + + + + M + + + M + + + M + + + M M M| 39 | Cyst | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + M + M + + + + + + + + + + + + + + + + + + +| 42 | Inflammation | 2 | 2 2.0| Duct, Ectasia | 2 | 3 2.7| __________________________________________________________________________|____________| Skin | + + I + + + + + + + + + + + + + + + + + + + + +| 48 | Epidermis, Atrophy | | 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 8 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 6| 7| 1| 7| 6| 7| 7| 6| 6| 5| 7| 7| 7| 6| 5| 7| 6| 0| 7| 7| 7| 7| 7| 6| 6| | DAY ON TEST | 5| 0| 6| 0| 7| 0| 0| 8| 5| 9| 0| 0| 0| 6| 8| 0| 8| 5| 0| 0| 0| 0| 0| 6| 5| | | 7| 1| 6| 1| 1| 1| 1| 2| 1| 7| 1| 1| 1| 3| 7| 1| 8| 2| 1| 1| 1| 1| 1| 8| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Hair Follicle, Atrophy | 2 2 2 2 | 14 2.3| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cranium, Developmental Malformation | 3 | 1 3.0| __________________________________________________________________________|____________| Skeletal Muscle | + | 2 | Intercostal, Abscess | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hemorrhage, Acute | | 1 3.0| Cerebrum, Infiltration Cellular, | | | Histiocyte | | 1 1.0| Thalamus, Mineralization | 2 1 2 | 9 1.9| Ventricle, Dilatation | 3| 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + I + + + M + + + + + + + + + + + I + + + + +| 46 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Acute | | 1 3.0| Inflammation, Chronic, Multifocal | 2 2 2 2 2 2 2 2 2 2 1 2 | 23 2.0| Alveolus, Infiltration Cellular, | | | Histiocyte | 3 | 1 3.0| Bronchiole, Hyperplasia, Multifocal | 3 | 1 3.0| Bronchus, Inflammation, Suppurative | 2 | 1 2.0| Glands, Ectasia | | 2 2.0| Vein, Metaplasia, Focal, Osseous | | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Mucosa, Inflammation, Suppurative | 2 3 | 2 2.5| Respiratory Epithelium, Hyperplasia | 3 2| 2 2.5| Respiratory Epithelium, Metaplasia, | | | Squamous | 2 | 1 2.0| __________________________________________________________________________|____________| Trachea | + + I + + + + + I + + + + + + I + + + + + + + +| 46 | Glands, Dilatation | | 1 2.0| Submucosa, Inflammation, Chronic | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + + | 3 | __________________________________________________________________________|____________| Eye | | 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 9 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 6| 7| 1| 7| 6| 7| 7| 6| 6| 5| 7| 7| 7| 6| 5| 7| 6| 0| 7| 7| 7| 7| 7| 6| 6| | DAY ON TEST | 5| 0| 6| 0| 7| 0| 0| 8| 5| 9| 0| 0| 0| 6| 8| 0| 8| 5| 0| 0| 0| 0| 0| 6| 5| | | 7| 1| 6| 1| 1| 1| 1| 2| 1| 7| 1| 1| 1| 3| 7| 1| 8| 2| 1| 1| 1| 1| 1| 8| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Harderian Gland | | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hematopoietic Cell Proliferation | 2 | 1 2.0| Hypoplasia | | 1 4.0| Inflammation, Chronic | 1 | 8 1.9| Inflammation, Suppurative | 3 2 | 2 2.5| Nephropathy | 1 1 1 1 | 10 1.3| Capsule, Inflammation, Suppurative | | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + M + + + + + I + + + + + + + + + + + + +| 46 | Inflammation, Chronic | 2 2 2 2 1 2 2 1 1 | 17 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 10 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 6| 7| 6| 6| 5| 6| 6| 6| 6| 5| 6| 5| 6| 6| 6| 6| 6| 5| 6| 6| 5| 4| 6| 6| 6| DAY ON TEST | 8| 0| 8| 4| 5| 2| 1| 5| 6| 1| 4| 8| 8| 6| 4| 5| 4| 5| 3| 5| 7| 8| 1| 5| 2| | 5| 0| 9| 5| 2| 6| 0| 4| 7| 0| 3| 3| 9| 8| 2| 1| 4| 1| 3| 6| 4| 6| 6| 4| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 15000 PP | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + I + + A + A + + + M + + A + M + + + A A| Inflammation, Suppurative | 3 | Wall, Necrosis | | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + A + + + + + + + + A +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + A + + + + + + + + A M| Inflammation, Acute | | Inflammation, Necrotizing | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + A + + + + + + + + A +| Inflammation, Necrotizing | | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + A + + + + + + + + A +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + A + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + M + + + A + + + A + + + + + + + + + +| Fibrosis | 1 | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + A + + + A + + + + + + + + + +| Atrophy | 3 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + A + + + A + + + + A + + + A +| __________________________________________________________________________| Liver | + + + + + + + + + + A + + + + + + + + + + + + + +| Eosinophilic Focus | 3 | Focal Cellular Change | 2 | Hematopoietic Cell Proliferation | 4 | Inclusion Body Intranuclear | 2 | Infarct | 4 | Necrosis | 1 4 4 3 3| __________________________________________________________________________| Mesentery | + + + + + + +| __________________________________________________________________________| Pancreas | + + + + + + + + + + A + + + + + + + + + + + + + +| Atrophy | | Fibrosis | 2 | Inflammation, Chronic | 2 2| Inflammation, Necrotizing | | Karyomegaly | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + M + + + M| Inflammation, Chronic | 1 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + A + + + A + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + A + + + A + + + + + + + + + +| Acanthosis | 2 | Hemorrhage, Acute | | Hyperkeratosis | 2 1 2 2 2 3 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + A + + + A + + + + + + + + + +| Metaplasia, Focal, Squamous | | Necrosis, Coagulative | 2 | Mucosa, Dilatation | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 6| 7| 6| 6| 5| 6| 6| 6| 6| 5| 6| 5| 6| 6| 6| 6| 6| 5| 6| 6| 5| 4| 6| 6| 6| DAY ON TEST | 8| 0| 8| 4| 5| 2| 1| 5| 6| 1| 4| 8| 8| 6| 4| 5| 4| 5| 3| 5| 7| 8| 1| 5| 2| | 5| 0| 9| 5| 2| 6| 0| 4| 7| 0| 3| 3| 9| 8| 2| 1| 4| 1| 3| 6| 4| 6| 6| 4| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 15000 PP | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Coronary Artery, Inflammation, | | Chronic | 2 | Endocardium, Thrombosis | 3 | Myocardium, Fibrosis | | Myocardium, Mineralization | | Myocardium, Necrosis | | Valve, Degeneration, Mucoid | 2 2 1 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + A + + + A + + + + + + + + + +| Capsule, Inflammation, Necrotizing | | Subcapsular, Hyperplasia | 2 2 3 3 2 2 2 2 2 1 2 2 1 2 2 2 2 2 2 2 2 2 3| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + A + + + A + + + + + + + + + +| Accessory Adrenal Cortical Nodule | | Congestion | | Cyst | | Degeneration | 1 1 2 1 2 2 1 2 1 1 2 2 2 1 2| Fibrosis | 1 1 1 1 1 1 1 1 2 1 2 1| Hematopoietic Cell Proliferation | 2 | Hemorrhage, Acute | | Inflammation, Chronic | | Inflammation, Suppurative | 3 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + A + + + A + + + + + + + + + +| Cyst | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + A + + + + + + + + + + + + + +| Atrophy | 3| __________________________________________________________________________| Parathyroid Gland | M + M M M M + M + M M + M M + M M M M + + + M + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + A + + + A + + + + + + + + + +| Cyst | X | Pars Distalis, Cyst | 2 | Pars Distalis, Hyperplasia | 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + A + M + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + + + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X X X X 2 X | Inflammation, Chronic | | Corpus Luteum, Cyst | | Periovarian Tissue, Inflammation, | | Chronic | 2 | _____________________________________________________________________________________________________________________| Page 12 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 6| 7| 6| 6| 5| 6| 6| 6| 6| 5| 6| 5| 6| 6| 6| 6| 6| 5| 6| 6| 5| 4| 6| 6| 6| DAY ON TEST | 8| 0| 8| 4| 5| 2| 1| 5| 6| 1| 4| 8| 8| 6| 4| 5| 4| 5| 3| 5| 7| 8| 1| 5| 2| | 5| 0| 9| 5| 2| 6| 0| 4| 7| 0| 3| 3| 9| 8| 2| 1| 4| 1| 3| 6| 4| 6| 6| 4| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 15000 PP | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Necrotizing | | Endometrium, Hyperplasia, Cystic | 2 2 3 | Endometrium, Inflammation, | | Suppurative | | Lymphatic, Ectasia | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + + + + + + A + + + + + + + + + + + + + +| __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | Myelofibrosis | 1 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + A + + + + + + M + + + + M + +| Sinus, Ectasia | 4| __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + M + + + A + + + + + + M + + I + M + M| Erythrophagocytosis | 1 | Hemorrhage | 2 | Hyperplasia, Lymphoid | | Infiltration Cellular, Histiocyte | 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + M M + A M M + + + M M I + M + M M M| Erythrophagocytosis | 1 2 | Infiltration Cellular, Histiocyte | | Inflammation, Chronic | | Inflammation, Subacute | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + A + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 2 2 4 3 3 3 3 3 2| Hyperplasia, Lymphoid | | __________________________________________________________________________| Thymus | M + M M + M M M M + A + + M M + + + M + + + + I M| Cyst | X | Infiltration Cellular | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M + + M + M + + M + + + + M + + + M + M + + M + +| Inflammation | 2 | Duct, Ectasia | 2 2 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Epidermis, Atrophy | 4 | Hair Follicle, Atrophy | 2 3 1 3 3 3 2 3 3 2 3 4 2| Subcutaneous Tissue, Edema | | Subcutaneous Tissue, Infiltration | | Cellular, Histiocyte | 1| Subcutaneous Tissue, Inflammation, | | Chronic | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | _____________________________________________________________________________________________________________________| Page 13 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 6| 7| 6| 6| 5| 6| 6| 6| 6| 5| 6| 5| 6| 6| 6| 6| 6| 5| 6| 6| 5| 4| 6| 6| 6| DAY ON TEST | 8| 0| 8| 4| 5| 2| 1| 5| 6| 1| 4| 8| 8| 6| 4| 5| 4| 5| 3| 5| 7| 8| 1| 5| 2| | 5| 0| 9| 5| 2| 6| 0| 4| 7| 0| 3| 3| 9| 8| 2| 1| 4| 1| 3| 6| 4| 6| 6| 4| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 15000 PP | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| M | 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| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 | Thalamus, Mineralization | 1 2 2 2 2 2 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + M + + +| Epithelium, Hyperplasia, Focal | 2 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 4 2 | Inflammation, Acute | 2 2 2 3 3 3 | Inflammation, Chronic, Multifocal | | Inflammation, Subacute | | Metaplasia, Osseous | | Thrombosis | 3 X | Alveolar Epithelium, Hyperplasia, | | Diffuse | | Alveolus, Adenomatosis, Focal | 1 | Alveolus, Edema | | Alveolus, Erythrophagocytosis | 3 3 | Alveolus, Infiltration Cellular, | | Histiocyte | 3 3 3 | Bronchiole, Hyperplasia, Multifocal | | Glands, Ectasia | 3 | Interstitium, Inflammation, Chronic | 2 | Interstitium, Inflammation, Subacute | 2 | Pleura, Inflammation, Chronic | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Glands, Dilatation | | Mucosa, Hyperplasia | | Mucosa, Inflammation, Suppurative | 2 | Nasolacrimal Duct, Hyperplasia | | Nasolacrimal Duct, Inflammation, | | Suppurative | | Respiratory Epithelium, Hyperplasia | 1 2 | Respiratory Epithelium, Metaplasia, | | Squamous | 2 2 | Submucosa, Inflammation, Chronic, | | Diffuse | 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + A + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 14 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 6| 7| 6| 6| 5| 6| 6| 6| 6| 5| 6| 5| 6| 6| 6| 6| 6| 5| 6| 6| 5| 4| 6| 6| 6| DAY ON TEST | 8| 0| 8| 4| 5| 2| 1| 5| 6| 1| 4| 8| 8| 6| 4| 5| 4| 5| 3| 5| 7| 8| 1| 5| 2| | 5| 0| 9| 5| 2| 6| 0| 4| 7| 0| 3| 3| 9| 8| 2| 1| 4| 1| 3| 6| 4| 6| 6| 4| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 15000 PP | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Glands, Dilatation | 2 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + A + + + A + + + + + + + + + +| Cyst | 2 | Hematopoietic Cell Proliferation | | Hydronephrosis | 3 3 | Nephropathy | 2 3 3 2 3 2 2 2 2 | Glomerulus, Amyloid Deposition | | Renal Tubule, Karyomegaly | 1 1 1 1 | Renal Tubule, Mineralization | 3| Renal Tubule, Pigmentation, Bile | 2 3 | __________________________________________________________________________| Ureter | | Transitional Epithelium, Necrosis | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + A + + + A + + + + + + + + + +| Edema | | Inflammation, Chronic | 1 2 1 | Inflammation, Necrotizing | | _____________________________________________________________________________________________________________________| Page 15 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 5| 6| 6| 5| 6| 5| 5| 6| 6| 6| 6| 7| 5| 6| 5| 5| 5| 6| 6| 6| 3| 5| 4| 5| 5| | DAY ON TEST | 9| 5| 2| 5| 6| 3| 7| 6| 1| 0| 5| 0| 7| 6| 9| 7| 3| 1| 2| 3| 2| 8| 6| 8| 9| | | 0| 3| 9| 9| 8| 3| 4| 1| 1| 8| 2| 0| 4| 9| 4| 0| 5| 8| 2| 6| 5| 2| 9| 1| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 15000 PP | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Gallbladder | A + M + + M A + + + M + + A + M + M M A + + + + +| 32 | Inflammation, Suppurative | | 1 3.0| Wall, Necrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Intestine Large | A + + + + A A + + + + + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Large, Cecum | M + + + + A A + + A + + + + + + M + + + + + M + +| 41 | Inflammation, Acute | 2 | 1 2.0| Inflammation, Necrotizing | 4 | 1 4.0| __________________________________________________________________________|____________| Intestine Large, Colon | A + + + + A A + + + + + + + + + + + + M + + + + +| 44 | Inflammation, Necrotizing | 4 | 1 4.0| __________________________________________________________________________|____________| Intestine Large, Rectum | A + + A + A A + + + + + + + + + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Intestine Small | A + + A + A A + + A + + + + + + + + + A + + + + +| 42 | __________________________________________________________________________|____________| Intestine Small, Duodenum | A + + A + A A + + A + + + + + + + + + M + + + + +| 41 | Fibrosis | | 1 1.0| __________________________________________________________________________|____________| Intestine Small, Ileum | A + + A + A A + + A + + + + + + + + + A + + + + +| 42 | Atrophy | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | A + + A + A A + + A + + + + + + + + + A + + + + +| 40 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | Eosinophilic Focus | 1 | 2 2.0| Focal Cellular Change | 1 | 2 1.5| Hematopoietic Cell Proliferation | 1 1 | 3 2.0| Inclusion Body Intranuclear | 2 | 2 2.0| Infarct | | 1 4.0| Necrosis | 2 3 | 7 2.9| __________________________________________________________________________|____________| Mesentery | + + + + + | 12 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | 3 | 1 3.0| Fibrosis | 2 | 2 2.0| Inflammation, Chronic | | 2 2.0| Inflammation, Necrotizing | 4 4 | 2 4.0| Karyomegaly | 3 2 | 2 2.5| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + M + + + + + + + + + + + + + + +| 47 | Inflammation, Chronic | 2 | 3 1.7| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Acanthosis | | 1 2.0| Hemorrhage, Acute | 2 | 1 2.0| Hyperkeratosis | 3 2 | 9 2.2| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + A + + + + + + + + + + +| 47 | __________________________________________________________________________________________________________________________________ * : 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: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 5| 6| 6| 5| 6| 5| 5| 6| 6| 6| 6| 7| 5| 6| 5| 5| 5| 6| 6| 6| 3| 5| 4| 5| 5| | DAY ON TEST | 9| 5| 2| 5| 6| 3| 7| 6| 1| 0| 5| 0| 7| 6| 9| 7| 3| 1| 2| 3| 2| 8| 6| 8| 9| | | 0| 3| 9| 9| 8| 3| 4| 1| 1| 8| 2| 0| 4| 9| 4| 0| 5| 8| 2| 6| 5| 2| 9| 1| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 15000 PP | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Metaplasia, Focal, Squamous | 2 | 1 2.0| Necrosis, Coagulative | | 1 2.0| Mucosa, Dilatation | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Coronary Artery, Inflammation, | | | Chronic | | 1 2.0| Endocardium, Thrombosis | | 1 3.0| Myocardium, Fibrosis | 2 1 | 2 1.5| Myocardium, Mineralization | 2 | 1 2.0| Myocardium, Necrosis | 3 | 1 3.0| Valve, Degeneration, Mucoid | 2 1 1 | 7 1.6| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Capsule, Inflammation, Necrotizing | 4 | 1 4.0| Subcapsular, Hyperplasia | 2 2 3 1 2 2 2 2 2 2 3 2 2 2 2 2 2 3 3 2 2 2| 45 2.1| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Accessory Adrenal Cortical Nodule | X | 1 | Congestion | 2 | 1 2.0| Cyst | 2 | 1 2.0| Degeneration | 2 2 1 1 1 2 2 2 2 2 | 25 1.6| Fibrosis | 1 2 1 1 1 1 2 2 2 | 21 1.3| Hematopoietic Cell Proliferation | 2 2 | 3 2.0| Hemorrhage, Acute | 4 | 1 4.0| Inflammation, Chronic | 2 | 1 2.0| Inflammation, Suppurative | | 1 3.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + A + + + + +| 47 | Cyst | 3 2 | 2 2.5| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | 3 2 | 3 2.7| __________________________________________________________________________|____________| Parathyroid Gland | M M + M M M M M + M + + + + M + M M + M + M M M M| 19 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + I + + + + + + + + + + M + I + + + + +| 45 | Cyst | | 1 | Pars Distalis, Cyst | | 1 2.0| Pars Distalis, Hyperplasia | 3 2 2 | 4 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | GENERAL BODY 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 17 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 5| 6| 6| 5| 6| 5| 5| 6| 6| 6| 6| 7| 5| 6| 5| 5| 5| 6| 6| 6| 3| 5| 4| 5| 5| | DAY ON TEST | 9| 5| 2| 5| 6| 3| 7| 6| 1| 0| 5| 0| 7| 6| 9| 7| 3| 1| 2| 3| 2| 8| 6| 8| 9| | | 0| 3| 9| 9| 8| 3| 4| 1| 1| 8| 2| 0| 4| 9| 4| 0| 5| 8| 2| 6| 5| 2| 9| 1| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 15000 PP | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 4 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + M + + + + + + + + + + + + + M + + + + +| 48 | Cyst | 4 2 X X 4 | 12 3.0| Inflammation, Chronic | 4 | 1 4.0| Corpus Luteum, Cyst | X | 1 | Periovarian Tissue, Inflammation, | | | Chronic | | 1 2.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Necrotizing | 4 | 1 4.0| Endometrium, Hyperplasia, Cystic | 3 3 1 | 6 2.3| Endometrium, Inflammation, | | | Suppurative | 2 3 | 2 2.5| Lymphatic, Ectasia | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 2 2.5| Myelofibrosis | 2 2 2 2 | 6 1.8| __________________________________________________________________________|____________| Lymph Node | + + + + + M + + + + + + + + + + + + + + + + + + M| 45 | Sinus, Ectasia | | 1 4.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | M M + + + M + + + + + + + + + + + + M + + M + + M| 38 | Erythrophagocytosis | | 1 1.0| Hemorrhage | | 1 2.0| Hyperplasia, Lymphoid | 2 2 | 2 2.0| Infiltration Cellular, Histiocyte | 2 | 2 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | M + M + + M + + + M + + + M M + + M + + M M M M M| 26 | Erythrophagocytosis | | 2 1.5| Infiltration Cellular, Histiocyte | 2 1 2 1 | 4 1.5| Inflammation, Chronic | 2 | 1 2.0| Inflammation, Subacute | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hematopoietic Cell Proliferation | 2 2 3 3 2 2 3| 17 2.6| Hyperplasia, Lymphoid | 2 2 | 2 2.0| __________________________________________________________________________|____________| Thymus | + + I + M + M I M + I + M + + + I + + M + + I M M| 25 | Cyst | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 18 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 5| 6| 6| 5| 6| 5| 5| 6| 6| 6| 6| 7| 5| 6| 5| 5| 5| 6| 6| 6| 3| 5| 4| 5| 5| | DAY ON TEST | 9| 5| 2| 5| 6| 3| 7| 6| 1| 0| 5| 0| 7| 6| 9| 7| 3| 1| 2| 3| 2| 8| 6| 8| 9| | | 0| 3| 9| 9| 8| 3| 4| 1| 1| 8| 2| 0| 4| 9| 4| 0| 5| 8| 2| 6| 5| 2| 9| 1| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 15000 PP | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Infiltration Cellular | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + M + + + M + + + + + + + + + + + M + + M +| 38 | Inflammation | 2 | 2 2.0| Duct, Ectasia | | 3 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Epidermis, Atrophy | | 1 4.0| Hair Follicle, Atrophy | 3 2 2 2 3 4 | 19 2.6| Subcutaneous Tissue, Edema | 3 | 1 3.0| Subcutaneous Tissue, Infiltration | | | Cellular, Histiocyte | | 1 1.0| Subcutaneous Tissue, Inflammation, | | | Chronic | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skeletal Muscle | | 2 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | | 1 1.0| Thalamus, Mineralization | 2 2 2 | 10 1.9| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Epithelium, Hyperplasia, Focal | | 1 2.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 3 | 5 2.8| Inflammation, Acute | 2 3 2 2 2 3 | 12 2.4| Inflammation, Chronic, Multifocal | 2 | 1 2.0| Inflammation, Subacute | 3 | 1 3.0| Metaplasia, Osseous | 1 | 1 1.0| Thrombosis | | 2 3.0| Alveolar Epithelium, Hyperplasia, | | | Diffuse | 3 | 1 3.0| Alveolus, Adenomatosis, Focal | 2 | 2 1.5| Alveolus, Edema | 3 | 1 3.0| Alveolus, Erythrophagocytosis | | 2 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 19 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 5| 6| 6| 5| 6| 5| 5| 6| 6| 6| 6| 7| 5| 6| 5| 5| 5| 6| 6| 6| 3| 5| 4| 5| 5| | DAY ON TEST | 9| 5| 2| 5| 6| 3| 7| 6| 1| 0| 5| 0| 7| 6| 9| 7| 3| 1| 2| 3| 2| 8| 6| 8| 9| | | 0| 3| 9| 9| 8| 3| 4| 1| 1| 8| 2| 0| 4| 9| 4| 0| 5| 8| 2| 6| 5| 2| 9| 1| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 15000 PP | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Alveolus, Infiltration Cellular, | | | Histiocyte | 3 3 2 | 6 2.8| Bronchiole, Hyperplasia, Multifocal | 2 | 1 2.0| Glands, Ectasia | | 1 3.0| Interstitium, Inflammation, Chronic | | 1 2.0| Interstitium, Inflammation, Subacute | | 1 2.0| Pleura, Inflammation, Chronic | 2 | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Glands, Dilatation | 2 3 | 2 2.5| Mucosa, Hyperplasia | 2 | 1 2.0| Mucosa, Inflammation, Suppurative | | 1 2.0| Nasolacrimal Duct, Hyperplasia | 2 | 1 2.0| Nasolacrimal Duct, Inflammation, | | | Suppurative | 2 | 1 2.0| Respiratory Epithelium, Hyperplasia | | 2 1.5| Respiratory Epithelium, Metaplasia, | | | Squamous | | 2 2.0| Submucosa, Inflammation, Chronic, | | | Diffuse | | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Glands, Dilatation | | 1 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 1 | __________________________________________________________________________|____________| Harderian Gland | + + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + A + + + + + + + + + + +| 47 | Cyst | | 1 2.0| Hematopoietic Cell Proliferation | 2 | 1 2.0| Hydronephrosis | 3 2 2 2 | 6 2.5| Nephropathy | 3 3 3 2 2 2 2 2 2 2 3| 20 2.4| Glomerulus, Amyloid Deposition | 3 | 1 3.0| Renal Tubule, Karyomegaly | 1 | 5 1.0| Renal Tubule, Mineralization | | 1 3.0| Renal Tubule, Pigmentation, Bile | | 2 2.5| __________________________________________________________________________|____________| Ureter | + + | 2 | Transitional Epithelium, Necrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + A M + M + + + A + + + + + A + + + + +| 43 | __________________________________________________________________________________________________________________________________ * : 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: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 5| 6| 6| 5| 6| 5| 5| 6| 6| 6| 6| 7| 5| 6| 5| 5| 5| 6| 6| 6| 3| 5| 4| 5| 5| | DAY ON TEST | 9| 5| 2| 5| 6| 3| 7| 6| 1| 0| 5| 0| 7| 6| 9| 7| 3| 1| 2| 3| 2| 8| 6| 8| 9| | | 0| 3| 9| 9| 8| 3| 4| 1| 1| 8| 2| 0| 4| 9| 4| 0| 5| 8| 2| 6| 5| 2| 9| 1| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 15000 PP | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | M | 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| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Edema | 4 | 1 4.0| Inflammation, Chronic | 2 1 | 5 1.4| Inflammation, Necrotizing | 3 | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 21 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 7| 7| 7| 4| 6| 7| 7| 7| 6| 6| 5| 6| 7| 6| 5| 7| 7| 5| 7| 7| 4| 7| 4| 7| 7| DAY ON TEST | 0| 0| 0| 7| 4| 0| 0| 0| 5| 2| 1| 5| 0| 1| 8| 0| 0| 2| 0| 0| 0| 0| 8| 0| 0| | 0| 0| 0| 9| 6| 0| 0| 0| 4| 9| 6| 8| 0| 0| 7| 0| 0| 4| 0| 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| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + M + + + + + A + + + M + + + M + M + + + + +| Inflammation, Chronic | | __________________________________________________________________________| Intestine Large | + + + + + + + + + A A + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + A A + + + + + M M + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + A A + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + A A + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + A A + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + A A + + + + + M A + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + A A + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + A A + + + + + + A + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 | Infiltration Cellular, Focal, | | Histiocyte | 3 | Necrosis | 4 | Hepatocyte, Cytomegaly | 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + M + + + + + + + + + + + + + + +| __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + M + + + + + + + + +| Inflammation, Chronic | 1 2 2 2 | __________________________________________________________________________| Stomach | + + + + + + + + + A + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + A + + + + + + + + + + + + + + +| Hyperkeratosis | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + A + + + + + + + + + + + + + + +| Atrophy | 2| Cyst | 2 | Hyperplasia | 2 | Metaplasia, Squamous | 1 | Mucosa, Necrosis | | __________________________________________________________________________| Tooth | + | Abscess | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Coronary Artery, Inflammation, | | Chronic | 3 2 | Coronary Artery, Mineralization | 2 | Valve, Degeneration, Mucoid | 1 2 2 2 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + I + A + + + + + + + I + + + + + + +| Capsule, Inflammation, Necrotizing | | Subcapsular, Hyperplasia | 1 1 2 1 2 2 1 2 1 1 1 1 2 | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + I + A + + + + + + + I + + + + + + +| _____________________________________________________________________________________________________________________| Page 22 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 7| 7| 7| 4| 6| 7| 7| 7| 6| 6| 5| 6| 7| 6| 5| 7| 7| 5| 7| 7| 4| 7| 4| 7| 7| DAY ON TEST | 0| 0| 0| 7| 4| 0| 0| 0| 5| 2| 1| 5| 0| 1| 8| 0| 0| 2| 0| 0| 0| 0| 8| 0| 0| | 0| 0| 0| 9| 6| 0| 0| 0| 4| 9| 6| 8| 0| 0| 7| 0| 0| 4| 0| 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| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Hyperplasia, Focal | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + I + A + + + + + + + I + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + M + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + M + M M + + + M I M + + M M + + M + + M M M + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + M + + M + + + +| Pars Distalis, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | Hemorrhage, Focal | 3 | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | M + M + + + + + + A + + + + + + + + + + + M + + +| Inflammation, Necrotizing | | __________________________________________________________________________| Penis | + + + | Inflammation, Suppurative | 4 | Necrosis | 4 3 | __________________________________________________________________________| Preputial Gland | + + + + + + + + +| Abscess | 4 4 | Cyst | X 3 4 3 3| Inflammation, Chronic | 4 | __________________________________________________________________________| Prostate | + + + + + + + + + A + + + + + + + + + + + + + + +| Inflammation, Chronic | | Inflammation, Suppurative | 4 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + A + + + + + + + + + + + + + +| Dilatation | 4 | Inflammation, Necrotizing | | Inflammation, Suppurative | 4 | __________________________________________________________________________| Testes | + + + + + + + + + A + + + + + + + + + + + + + + +| Atrophy | 2 2 3 | Vein, Angiectasis | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + M M + + + + I M + + + M + + + + + + M + M I| Infiltration Cellular, Histiocyte | 1 | __________________________________________________________________________| Lymph Node, Bronchial | + + + M M M + + + M M M + + M + + + + M + M + M I| Infiltration Cellular, Histiocyte | | __________________________________________________________________________| Lymph Node, Mandibular | + + + M M + + I M I M + + M M M + M M + M M M M M| Ectasia | | Infiltration Cellular, Histiocyte | 1 1 | _____________________________________________________________________________________________________________________| Page 23 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 7| 7| 7| 4| 6| 7| 7| 7| 6| 6| 5| 6| 7| 6| 5| 7| 7| 5| 7| 7| 4| 7| 4| 7| 7| DAY ON TEST | 0| 0| 0| 7| 4| 0| 0| 0| 5| 2| 1| 5| 0| 1| 8| 0| 0| 2| 0| 0| 0| 0| 8| 0| 0| | 0| 0| 0| 9| 6| 0| 0| 0| 4| 9| 6| 8| 0| 0| 7| 0| 0| 4| 0| 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| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Spleen | + + + + + + + + + A + + + + + + + + + + + + + + +| Atrophy | 1 | Fibrosis | 3 | Hematopoietic Cell Proliferation | 1 2 2 3 | Hemorrhage, Chronic | 3 | Hemorrhage | | Hyperplasia, Lymphoid | 2 3 | __________________________________________________________________________| Thymus | M + + M M + + + I M + M + M + + + + + + M + M + M| Necrosis, Multiple | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + M M M M + + + + M M M + M + M + M M + + M M M M| Inflammation, Chronic | 3 | Duct, Ectasia | 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hair Follicle, Atrophy | 2 3 3 2| Hair Follicle, Degeneration | 3 | Hair Follicle, Ectasia | 3 | Prepuce, Abscess | 4 | Prepuce, Inflammation, Necrotizing | 4 | Prepuce, Inflammation, Suppurative | | Prepuce, Ulcer | 4 4 4 4 4 3 | Subcutaneous Tissue, Hyperplasia, | | Lymphoid | 4 | Subcutaneous Tissue, Infiltration | | Cellular, Histiocyte | 2 | Subcutaneous Tissue, Inflammation, | | Chronic | 3 | Subcutaneous Tissue, Inflammation, | | Suppurative | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + | Inflammation, Necrotizing | 4 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Focal, | | Lymphocyte | 2 | Thalamus, Mineralization | 2 2 2 2 2 2 2 2 2 2 2 2 2| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 24 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 7| 7| 7| 4| 6| 7| 7| 7| 6| 6| 5| 6| 7| 6| 5| 7| 7| 5| 7| 7| 4| 7| 4| 7| 7| DAY ON TEST | 0| 0| 0| 7| 4| 0| 0| 0| 5| 2| 1| 5| 0| 1| 8| 0| 0| 2| 0| 0| 0| 0| 8| 0| 0| | 0| 0| 0| 9| 6| 0| 0| 0| 4| 9| 6| 8| 0| 0| 7| 0| 0| 4| 0| 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| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Dilatation | | Submucosa, Inflammation, Chronic | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Bronchiectasis | | Hemorrhage | 2 | Hyperplasia, Lymphoid | 1 | Inflammation, Acute | | Inflammation, Chronic, Multifocal | 2 2 2 | Inflammation, Chronic Active | 4 | Alveolus, Adenomatosis, Focal | | Alveolus, Infiltration Cellular, | | Histiocyte | | Glands, Ectasia | 2 2 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Glands, Cyst | | Glands, Hyperplasia | 2 | Nasolacrimal Duct, Inflammation, | | Suppurative | 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | | __________________________________________________________________________| Eye | + | Cornea, Inflammation, Subacute | 2 | Cornea, Necrosis, Focal | 2 | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Inflammation, Chronic | | Inflammation, Suppurative | 4 4 | Nephropathy | 1 1 2 1 1 1 1 3 1 1 1 1 1 3 2 2| Capsule, Inflammation, Necrotizing | | Pelvis, Inflammation, Suppurative | 3 3 | __________________________________________________________________________| Ureter | | __________________________________________________________________________| Urinary Bladder | + + + + A + + + + A + + + + + + + + + + + + + + +| Inflammation, Acute | 4 | Inflammation, Chronic | | Inflammation, Suppurative | 4 3 | Transitional Epithelium, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| Page 25 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 7| 7| 7| 7| 4| 0| 4| 7| 7| 7| 5| 7| 7| 7| 6| 7| 5| 7| 5| 5| 5| | DAY ON TEST | 6| 0| 0| 6| 0| 0| 0| 0| 1| 1| 0| 0| 0| 0| 7| 0| 0| 0| 8| 0| 2| 0| 2| 6| 7| | | 0| 0| 0| 8| 0| 0| 0| 0| 3| 7| 9| 0| 0| 0| 8| 0| 0| 0| 2| 0| 6| 0| 6| 0| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Gallbladder | + + + M + + + I M + + + + + A + A + + + + + + + +| 40 | Inflammation, Chronic | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + A + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + M + + + + + M + + + + A + + + M + M + + + +| 41 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + A + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + M + + + + A + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + A + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + A + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small, Ileum | + M + + + + + + + M + + + + A + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + M + + + + + + + M + + + + A + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hematopoietic Cell Proliferation | 1 | 2 1.5| Infiltration Cellular, Focal, | | | Histiocyte | | 1 3.0| Necrosis | 3 | 2 3.5| Hepatocyte, Cytomegaly | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic | 2 2 2 | 7 1.9| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperkeratosis | | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | | 1 2.0| Cyst | | 1 2.0| Hyperplasia | | 1 2.0| Metaplasia, Squamous | | 1 1.0| Mucosa, Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Tooth | + | 2 | Abscess | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Coronary Artery, Inflammation, | | | Chronic | | 2 2.5| Coronary Artery, Mineralization | | 1 2.0| Valve, Degeneration, Mucoid | 2 2 | 7 1.9| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 26 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 7| 7| 7| 7| 4| 0| 4| 7| 7| 7| 5| 7| 7| 7| 6| 7| 5| 7| 5| 5| 5| | DAY ON TEST | 6| 0| 0| 6| 0| 0| 0| 0| 1| 1| 0| 0| 0| 0| 7| 0| 0| 0| 8| 0| 2| 0| 2| 6| 7| | | 0| 0| 0| 8| 0| 0| 0| 0| 3| 7| 9| 0| 0| 0| 8| 0| 0| 0| 2| 0| 6| 0| 6| 0| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Capsule, Inflammation, Necrotizing | 4 | 1 4.0| Subcapsular, Hyperplasia | 2 1 2 1 2 2 1 2 2 2 | 23 1.5| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 46 | Hyperplasia, Focal | 3 | 1 3.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Parathyroid Gland | M M I M + M + + + M M M + M M + M M M + + + M M M| 21 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + I + + + + + + + + + +| 47 | Pars Distalis, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| 49 | Cyst | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | Hemorrhage, Focal | | 1 3.0| _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 46 | Inflammation, Necrotizing | 4 | 1 4.0| __________________________________________________________________________|____________| Penis | | 3 | Inflammation, Suppurative | | 1 4.0| Necrosis | | 2 3.5| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + +| 19 | Abscess | 4 | 3 4.0| Cyst | 3 | 6 3.2| Inflammation, Chronic | | 1 4.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic | 2 | 1 2.0| Inflammation, Suppurative | | 1 4.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + +| 46 | Dilatation | 3 2 | 3 3.0| Inflammation, Necrotizing | 4 | 1 4.0| Inflammation, Suppurative | | 1 4.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Atrophy | 1| 4 2.0| Vein, Angiectasis | | 1 2.0| _____________________________________________________________________________________________________________________| | 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 27 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 7| 7| 7| 7| 4| 0| 4| 7| 7| 7| 5| 7| 7| 7| 6| 7| 5| 7| 5| 5| 5| | DAY ON TEST | 6| 0| 0| 6| 0| 0| 0| 0| 1| 1| 0| 0| 0| 0| 7| 0| 0| 0| 8| 0| 2| 0| 2| 6| 7| | | 0| 0| 0| 8| 0| 0| 0| 0| 3| 7| 9| 0| 0| 0| 8| 0| 0| 0| 2| 0| 6| 0| 6| 0| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + M + + I I + + + + I + + + + + +| 38 | Infiltration Cellular, Histiocyte | | 1 1.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + M + + I M M + M + M I I + + + I I + + + + + +| 29 | Infiltration Cellular, Histiocyte | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + M + M M + + + + M + + M I M M M + I I M + M M M| 19 | Ectasia | 3 | 1 3.0| Infiltration Cellular, Histiocyte | 2 2 | 4 1.5| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | | 1 1.0| Fibrosis | | 1 3.0| Hematopoietic Cell Proliferation | 2 2 | 6 2.0| Hemorrhage, Chronic | | 1 3.0| Hemorrhage | 3 | 1 3.0| Hyperplasia, Lymphoid | | 2 2.5| __________________________________________________________________________|____________| Thymus | M + + + + + + + + + M + I + I + M + M + M + + + +| 33 | Necrosis, Multiple | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + M M M M M M M M M M M M M + M M + M M + + + +| 18 | Inflammation, Chronic | | 1 3.0| Duct, Ectasia | | 1 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hair Follicle, Atrophy | 2 3 3 2 2 3 2 | 11 2.5| Hair Follicle, Degeneration | | 1 3.0| Hair Follicle, Ectasia | | 1 3.0| Prepuce, Abscess | 3 3| 3 3.3| Prepuce, Inflammation, Necrotizing | | 1 4.0| Prepuce, Inflammation, Suppurative | 3 | 1 3.0| Prepuce, Ulcer | 3 3 3 3 | 10 3.5| Subcutaneous Tissue, Hyperplasia, | | | Lymphoid | | 1 4.0| Subcutaneous Tissue, Infiltration | | | Cellular, Histiocyte | | 1 2.0| Subcutaneous Tissue, Inflammation, | | | Chronic | | 1 3.0| Subcutaneous Tissue, Inflammation, | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 28 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 7| 7| 7| 7| 4| 0| 4| 7| 7| 7| 5| 7| 7| 7| 6| 7| 5| 7| 5| 5| 5| | DAY ON TEST | 6| 0| 0| 6| 0| 0| 0| 0| 1| 1| 0| 0| 0| 0| 7| 0| 0| 0| 8| 0| 2| 0| 2| 6| 7| | | 0| 0| 0| 8| 0| 0| 0| 0| 3| 7| 9| 0| 0| 0| 8| 0| 0| 0| 2| 0| 6| 0| 6| 0| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Suppurative | 2| 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skeletal Muscle | + | 2 | Inflammation, Necrotizing | | 1 4.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infiltration Cellular, Focal, | | | Lymphocyte | | 1 2.0| Thalamus, Mineralization | 2 2 2 2 2 2| 19 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Dilatation | 3 | 1 3.0| Submucosa, Inflammation, Chronic | 2 | 1 2.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bronchiectasis | 3 | 1 3.0| Hemorrhage | | 1 2.0| Hyperplasia, Lymphoid | | 1 1.0| Inflammation, Acute | 2 | 1 2.0| Inflammation, Chronic, Multifocal | 2 2 2 2 2 2 | 9 2.0| Inflammation, Chronic Active | | 1 4.0| Alveolus, Adenomatosis, Focal | 2 | 1 2.0| Alveolus, Infiltration Cellular, | | | Histiocyte | 2 | 1 2.0| Glands, Ectasia | | 3 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Glands, Cyst | 2 2 | 2 2.0| Glands, Hyperplasia | | 1 2.0| Nasolacrimal Duct, Inflammation, | | | Suppurative | | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + | 1 | __________________________________________________________________________|____________| Eye | + | 2 | Cornea, Inflammation, Subacute | | 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 29 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 7| 7| 7| 7| 4| 0| 4| 7| 7| 7| 5| 7| 7| 7| 6| 7| 5| 7| 5| 5| 5| | DAY ON TEST | 6| 0| 0| 6| 0| 0| 0| 0| 1| 1| 0| 0| 0| 0| 7| 0| 0| 0| 8| 0| 2| 0| 2| 6| 7| | | 0| 0| 0| 8| 0| 0| 0| 0| 3| 7| 9| 0| 0| 0| 8| 0| 0| 0| 2| 0| 6| 0| 6| 0| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | Cornea, Necrosis, Focal | | 1 2.0| __________________________________________________________________________|____________| Harderian Gland | + + + | 5 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 | 1 2.0| Inflammation, Chronic | 2 | 1 2.0| Inflammation, Suppurative | | 2 4.0| Nephropathy | 1 1 2 1 2 2 2 1 1 1 1 | 27 1.4| Capsule, Inflammation, Necrotizing | 4 | 1 4.0| Pelvis, Inflammation, Suppurative | | 2 3.0| __________________________________________________________________________|____________| Ureter | + | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + M + + + + + + + + + + + + + +| 47 | Inflammation, Acute | | 1 4.0| Inflammation, Chronic | 1 2 | 2 1.5| Inflammation, Suppurative | | 2 3.5| Transitional Epithelium, Hyperplasia | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 30 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 3| 5| 5| 5| 3| 4| 3| 2| 2| 2| 2| 3| 7| 4| 3| 6| 3| 7| 6| 5| DAY ON TEST | 0| 0| 0| 0| 0| 0| 2| 9| 0| 6| 0| 9| 7| 6| 5| 6| 6| 0| 8| 6| 3| 5| 0| 7| 7| | 0| 0| 0| 0| 0| 8| 6| 6| 7| 0| 9| 8| 8| 1| 7| 9| 0| 0| 6| 0| 8| 7| 0| 1| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 15000 PP | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + A + + + + + + + + + +| Hyperkeratosis | | __________________________________________________________________________| Gallbladder | M M M I M M + + + + + + + + A + M + M M A A M + +| Mucosa, Hyperplasia | 2 | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + A A + + + + + A + + + +| Anus, Necrosis, Focal | | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + A A + + + + + A + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + A A + + + + + A + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + M A A + + + + + A + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + M A A + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + M A A + + + + + A + + + +| Ulcer | 3 | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + M A A + + + + + A + + + +| Inflammation, Subacute | 3 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + M A A + + + + + A + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + A + A + + + + + + + + + +| Basophilic Focus | | Hematopoietic Cell Proliferation | 1 2 | Inflammation, Acute | 2 | Mineralization, Focal | 1 | Necrosis | 4 4 3 | __________________________________________________________________________| Mesentery | + + | Inflammation, Suppurative | 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + A + A + + + + + + + + + +| Hyperplasia | 2 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + A + + + + + + + + + +| Inflammation, Chronic | 2 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + A + + + + + + + + + +| Hyperkeratosis | 2 | Epithelium, Hyperplasia | 2 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + A + + + + + + + + + +| Cyst | X | Inflammation, Chronic | | Metaplasia, Squamous | 2 1 | Mineralization | 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + A + + + + + + + + + +| Valve, Degeneration | 2 2 | Valve, Degeneration, Mucoid | 1 1 1 2 1 | Valve, Mineralization | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 31 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 3| 5| 5| 5| 3| 4| 3| 2| 2| 2| 2| 3| 7| 4| 3| 6| 3| 7| 6| 5| DAY ON TEST | 0| 0| 0| 0| 0| 0| 2| 9| 0| 6| 0| 9| 7| 6| 5| 6| 6| 0| 8| 6| 3| 5| 0| 7| 7| | 0| 0| 0| 0| 0| 8| 6| 6| 7| 0| 9| 8| 8| 1| 7| 9| 0| 0| 6| 0| 8| 7| 0| 1| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 15000 PP | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Gland | + M + + + + + + + + + + + + A + + + + + + + + + +| Subcapsular, Hyperplasia | 2 2 1 2 2 2 1 2 2 2 1 2 2 1 | __________________________________________________________________________| Adrenal Gland, Cortex | + M + + + + + + + + + + + + A + + + + + + + + + +| Degeneration, Focal | 2 | Hematopoietic Cell Proliferation | | Hyperplasia, Focal | 2 2 | Hypertrophy, Focal | 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + M + + + + + + + + + + + + A + + + + + + + + + +| Cyst | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | __________________________________________________________________________| Parathyroid Gland | + M + + M M M M M M M M + + M M + M M + M + M M +| __________________________________________________________________________| Pituitary Gland | + I + + + + + + + + + + + M A + + + + + + + + + +| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + A + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + M M + M + + + + + + + + + A + + + + + + M +| __________________________________________________________________________| Penis | + + + + | Inflammation, Suppurative | 4 | Necrosis | 4 2 4 4 | Endothelium, Hyperplasia, | | Pseudoepitheliomatous | | __________________________________________________________________________| Preputial Gland | + + + + + + + + +| Abscess | | Cyst | X 1 4 X X | Hyperplasia | | Inflammation, Chronic | | Inflammation, Necrotizing | 4| Inflammation, Suppurative | 4 | __________________________________________________________________________| Prostate | I + + + + M + + + + + M + + A + + + + + A + + + M| Inflammation, Chronic | | Inflammation, Suppurative | 3 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + A + + M | Dilatation | 4 3 2 2 | Inflammation, Chronic | 2 | Inflammation, Suppurative | 3 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + A + + + + + + + + + +| Atrophy | 2 3 2 2 2 2 | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 32 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 3| 5| 5| 5| 3| 4| 3| 2| 2| 2| 2| 3| 7| 4| 3| 6| 3| 7| 6| 5| DAY ON TEST | 0| 0| 0| 0| 0| 0| 2| 9| 0| 6| 0| 9| 7| 6| 5| 6| 6| 0| 8| 6| 3| 5| 0| 7| 7| | 0| 0| 0| 0| 0| 8| 6| 6| 7| 0| 9| 8| 8| 1| 7| 9| 0| 0| 6| 0| 8| 7| 0| 1| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 15000 PP | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Blood | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + M M M + M M +| Mediastinal, Sinus, Infiltration | | Cellular | 2 | Mesenteric, Infiltration Cellular, | | Histiocyte | 2 | Renal, Inflammation, Acute | | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + A + + + M M M M M M +| Infiltration Cellular, Histiocyte | | __________________________________________________________________________| Lymph Node, Mandibular | + M M M + M + + + + + M M M A M M + M M M + M M M| Erythrophagocytosis | 2 | Hyperplasia, Lymphoid | | Hyperplasia | 3 | Infiltration Cellular, Histiocyte | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + A + + + + + + + + + +| Atrophy | 3 | Congestion, Acute | | Hematopoietic Cell Proliferation | 2 2 2 2 | __________________________________________________________________________| Thymus | + + I M + M + + M + M M M + A + + + + + A + + + +| Cyst | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M + M M M M M M M M M M M M M + M M M + + M +| __________________________________________________________________________| Mammary Gland, Mandibular | + | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 3 | Hair Follicle, Atrophy | 3 2 | Prepuce, Cyst | X | Prepuce, Hyperkeratosis | 4 | Prepuce, Inflammation, Chronic | 1 2 | Prepuce, Inflammation, Necrotizing | 4| Prepuce, Inflammation, Suppurative | 4 | Prepuce, Ulcer | 2 3 3 3 3 4 4 | Subcutaneous Tissue, Hyperplasia, | | Lymphoid | 3 | Subcutaneous Tissue, Inflammation, | | Acute | | Subcutaneous Tissue, Inflammation, | | Chronic | | Subcutaneous Tissue, Inflammation, | | Suppurative | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 33 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 3| 5| 5| 5| 3| 4| 3| 2| 2| 2| 2| 3| 7| 4| 3| 6| 3| 7| 6| 5| DAY ON TEST | 0| 0| 0| 0| 0| 0| 2| 9| 0| 6| 0| 9| 7| 6| 5| 6| 6| 0| 8| 6| 3| 5| 0| 7| 7| | 0| 0| 0| 0| 0| 8| 6| 6| 7| 0| 9| 8| 8| 1| 7| 9| 0| 0| 6| 0| 8| 7| 0| 1| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 15000 PP | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| M | 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| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + A + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + A + + + + + + + + + +| Inflammation, Suppurative | | Thalamus, Mineralization | 2 2 2 2 2 2 2 2 | __________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + A + + + + + + + + + +| Submucosa, Cyst | X | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + A + + + + + + + + + +| Hemorrhage | 2 | Inflammation, Acute | 3| Inflammation, Chronic, Multifocal | | Alveolar Epithelium, Hyperplasia, | | Focal | 2 | Bronchiole, Hyperplasia, Multifocal | 2 | Glands, Ectasia | 2 | Interstitium, Inflammation, Chronic | 2 | Submucosa, Bronchus, Glands, Ectasia | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Glands, Cyst | X | Olfactory Epithelium, Hyperplasia | 2 | Septum, Developmental Malformation | X | Submucosa, Inflammation, Chronic | 1 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + A + + + + + + + + + +| Glands, Dilatation | 1 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + + | __________________________________________________________________________| Eye | + + | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydronephrosis | 1| Infarct | 3 3 | Inflammation, Chronic | 1 2 | Inflammation, Suppurative | 4 4 3 2 | Necrosis | 4 2 | Nephropathy | 1 1 2 1 4 1 1 1 1 2 2 1 | Pelvis, Inflammation, Suppurative | | Renal Tubule, Karyomegaly | 2 2 1 1 1 1 1 2 2 2 2 2 2 1 2 2 1 1 1 2| _____________________________________________________________________________________________________________________| Page 34 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 3| 5| 5| 5| 3| 4| 3| 2| 2| 2| 2| 3| 7| 4| 3| 6| 3| 7| 6| 5| DAY ON TEST | 0| 0| 0| 0| 0| 0| 2| 9| 0| 6| 0| 9| 7| 6| 5| 6| 6| 0| 8| 6| 3| 5| 0| 7| 7| | 0| 0| 0| 0| 0| 8| 6| 6| 7| 0| 9| 8| 8| 1| 7| 9| 0| 0| 6| 0| 8| 7| 0| 1| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 15000 PP | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| M | 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| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | Renal Tubule, Mineralization | 1 | __________________________________________________________________________| Ureter | | Mucosa, Inflammation, Chronic | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + A + + + + + A + + + +| Inflammation, Acute | | Inflammation, Chronic | | Inflammation, Necrotizing | 4 | Inflammation, Suppurative | 3 2 | Lumen, Concretion | 2| Transitional Epithelium, Hyperplasia | 1 | Transitional Epithelium, Necrosis | 4 1 4 2| _____________________________________________________________________________________________________________________| Page 35 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 2| 3| 7| 3| 7| 4| 3| 7| 5| 7| 5| 5| 6| 5| 2| 3| 4| 6| 5| 4| 5| 3| 4| 5| 4| | DAY ON TEST | 9| 2| 0| 5| 0| 6| 6| 0| 2| 0| 2| 8| 1| 0| 2| 6| 0| 7| 5| 3| 1| 3| 4| 2| 0| | | 4| 9| 0| 8| 0| 5| 3| 0| 6| 0| 6| 7| 0| 2| 6| 3| 9| 3| 9| 4| 9| 0| 8| 4| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 15000 PP | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | Hyperkeratosis | 3 | 1 3.0| __________________________________________________________________________|____________| Gallbladder | + + M + M + + + + + + + A + M + + A + + + M + + +| 31 | Mucosa, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + A + + + + + A + + + +| 45 | Anus, Necrosis, Focal | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + M + A + + + + + A + + + +| 44 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + A + + + + + A + + + +| 45 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + A + + + + + A + + + +| 44 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + A + + A + + A + + + +| 43 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + M + + + + + + + + + + A + + A + + A + + + +| 42 | Ulcer | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + A + + A + + A + + + +| 43 | Inflammation, Subacute | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + A + + A + + A + + + +| 43 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + A + + + + + + + + + +| 47 | Basophilic Focus | 2 | 1 2.0| Hematopoietic Cell Proliferation | 2 | 3 1.7| Inflammation, Acute | | 1 2.0| Mineralization, Focal | | 1 1.0| Necrosis | 1 3 | 5 3.0| __________________________________________________________________________|____________| Mesentery | A + | 3 | Inflammation, Suppurative | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + A + + + + + + + + + +| 47 | Hyperplasia | | 2 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | Inflammation, Chronic | 2 2 2 2 2 | 7 2.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | Hyperkeratosis | 2 | 2 2.0| Epithelium, Hyperplasia | | 2 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | Cyst | | 1 | Inflammation, Chronic | 2 | 1 2.0| Metaplasia, Squamous | 2 2 | 4 1.8| Mineralization | | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | __________________________________________________________________________________________________________________________________ * : 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: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 2| 3| 7| 3| 7| 4| 3| 7| 5| 7| 5| 5| 6| 5| 2| 3| 4| 6| 5| 4| 5| 3| 4| 5| 4| | DAY ON TEST | 9| 2| 0| 5| 0| 6| 6| 0| 2| 0| 2| 8| 1| 0| 2| 6| 0| 7| 5| 3| 1| 3| 4| 2| 0| | | 4| 9| 0| 8| 0| 5| 3| 0| 6| 0| 6| 7| 0| 2| 6| 3| 9| 3| 9| 4| 9| 0| 8| 4| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 15000 PP | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | Valve, Degeneration | | 2 2.0| Valve, Degeneration, Mucoid | 2 2 2 | 8 1.5| Valve, Mineralization | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + A + + + + + + + + + +| 47 | Subcapsular, Hyperplasia | 2 2 2 2 2 2 2 1 1 1 1 1 2 | 27 1.7| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + M + + + + + + + + + + A + + + + + + + + + +| 46 | Degeneration, Focal | | 1 2.0| Hematopoietic Cell Proliferation | 3 | 1 3.0| Hyperplasia, Focal | | 2 2.0| Hypertrophy, Focal | | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + A + + + + + + + + + +| 47 | Cyst | 3 | 1 3.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | Atrophy | 4 | 1 4.0| __________________________________________________________________________|____________| Parathyroid Gland | M + + M M + + M M M + + M M M M M M + M + M M M M| 17 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + M A + + A + + + + + + +| 44 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + M + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 3 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + M M + + + + + + + A + + + + + + + + + +| 39 | __________________________________________________________________________|____________| Penis | + + + +| 8 | Inflammation, Suppurative | 2 | 2 3.0| Necrosis | 2 2| 6 3.0| Endothelium, Hyperplasia, | | | Pseudoepitheliomatous | 3 | 1 3.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + +| 24 | Abscess | 3 | 1 3.0| Cyst | X 2 4 3 2 3 | 11 2.7| Hyperplasia | 2 3 | 2 2.5| Inflammation, Chronic | 2 2 4 2 | 4 2.5| Inflammation, Necrotizing | 4 4 | 3 4.0| Inflammation, Suppurative | 2 3 4 3| 5 3.2| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + A + + + + + + + + + +| 43 | Inflammation, Chronic | 3 3 | 2 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 37 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 2| 3| 7| 3| 7| 4| 3| 7| 5| 7| 5| 5| 6| 5| 2| 3| 4| 6| 5| 4| 5| 3| 4| 5| 4| | DAY ON TEST | 9| 2| 0| 5| 0| 6| 6| 0| 2| 0| 2| 8| 1| 0| 2| 6| 0| 7| 5| 3| 1| 3| 4| 2| 0| | | 4| 9| 0| 8| 0| 5| 3| 0| 6| 0| 6| 7| 0| 2| 6| 3| 9| 3| 9| 4| 9| 0| 8| 4| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 15000 PP | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Inflammation, Suppurative | 2 | 2 2.5| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + A + + + + + + + +| 41 | Dilatation | 3 4 3 3 3 2 | 10 2.9| Inflammation, Chronic | 3 | 2 2.5| Inflammation, Suppurative | | 1 3.0| __________________________________________________________________________|____________| Testes | + + + + M + + + + + + + + + A + + + + + + + + + +| 47 | Atrophy | 3 2 1 | 9 2.1| Inflammation, Suppurative | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Lymph Node | + + + + + + M M + + + + + + A M + + + + + M + + +| 39 | Mediastinal, Sinus, Infiltration | | | Cellular | | 1 2.0| Mesenteric, Infiltration Cellular, | | | Histiocyte | | 1 2.0| Renal, Inflammation, Acute | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | M + + + M + M M M + + M + + A M M + + + M M M M +| 30 | Infiltration Cellular, Histiocyte | 3 1| 2 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + M + M M M + + + + M M A M + M + + + M M + M| 22 | Erythrophagocytosis | | 1 2.0| Hyperplasia, Lymphoid | 2 | 1 2.0| Hyperplasia | | 1 3.0| Infiltration Cellular, Histiocyte | 2 1 2 | 3 1.7| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | Atrophy | | 1 3.0| Congestion, Acute | 2 | 1 2.0| Hematopoietic Cell Proliferation | 2 2 2 2 2 | 9 2.0| __________________________________________________________________________|____________| Thymus | + + M + + + + M + M M + + M M + M + + + + M + + +| 33 | Cyst | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M + + M + + M M + M M M + M + + M M M M + +| 15 | __________________________________________________________________________|____________| Mammary Gland, Mandibular | | 1 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Hyperplasia, Lymphoid | | 1 3.0| Hair Follicle, Atrophy | 4 2 2 3 | 6 2.7| Prepuce, Cyst | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 38 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 2| 3| 7| 3| 7| 4| 3| 7| 5| 7| 5| 5| 6| 5| 2| 3| 4| 6| 5| 4| 5| 3| 4| 5| 4| | DAY ON TEST | 9| 2| 0| 5| 0| 6| 6| 0| 2| 0| 2| 8| 1| 0| 2| 6| 0| 7| 5| 3| 1| 3| 4| 2| 0| | | 4| 9| 0| 8| 0| 5| 3| 0| 6| 0| 6| 7| 0| 2| 6| 3| 9| 3| 9| 4| 9| 0| 8| 4| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 15000 PP | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Prepuce, Hyperkeratosis | | 1 4.0| Prepuce, Inflammation, Chronic | 3 | 3 2.0| Prepuce, Inflammation, Necrotizing | 4 | 2 4.0| Prepuce, Inflammation, Suppurative | 3 4 4 | 4 3.8| Prepuce, Ulcer | 4 3 4 3 3 4 3 4 4 4 3| 18 3.4| Subcutaneous Tissue, Hyperplasia, | | | Lymphoid | | 1 3.0| Subcutaneous Tissue, Inflammation, | | | Acute | 2 | 1 2.0| Subcutaneous Tissue, Inflammation, | | | Chronic | 2| 1 2.0| Subcutaneous Tissue, Inflammation, | | | Suppurative | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | Inflammation, Suppurative | 2 | 1 2.0| Thalamus, Mineralization | 2 2 2 2 2 2 2 2 2 | 17 2.0| __________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | Submucosa, Cyst | | 1 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | Hemorrhage | | 1 2.0| Inflammation, Acute | | 1 3.0| Inflammation, Chronic, Multifocal | 1 2 | 2 1.5| Alveolar Epithelium, Hyperplasia, | | | Focal | | 1 2.0| Bronchiole, Hyperplasia, Multifocal | | 1 2.0| Glands, Ectasia | 2 2 2| 4 2.0| Interstitium, Inflammation, Chronic | | 1 2.0| Submucosa, Bronchus, Glands, Ectasia | | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Glands, Cyst | | 1 | Olfactory 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 39 NTP Experiment-Test: 05078-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYL CHLORIDE Date: 05/05/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 15:49:45 __________________________________________________________________________________________________________________________________ | 2| 3| 7| 3| 7| 4| 3| 7| 5| 7| 5| 5| 6| 5| 2| 3| 4| 6| 5| 4| 5| 3| 4| 5| 4| | DAY ON TEST | 9| 2| 0| 5| 0| 6| 6| 0| 2| 0| 2| 8| 1| 0| 2| 6| 0| 7| 5| 3| 1| 3| 4| 2| 0| | | 4| 9| 0| 8| 0| 5| 3| 0| 6| 0| 6| 7| 0| 2| 6| 3| 9| 3| 9| 4| 9| 0| 8| 4| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 15000 PP | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | M | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Septum, Developmental Malformation | | 1 | Submucosa, Inflammation, Chronic | 1 1 | 3 1.0| __________________________________________________________________________|____________| Trachea | + M + + + + + + + + + + + + A + + + + + + + + + +| 47 | Glands, Dilatation | 2 2 2 | 4 1.8| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + + | 4 | __________________________________________________________________________|____________| Eye | | 2 | __________________________________________________________________________|____________| Harderian Gland | + + | 4 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Hydronephrosis | | 1 1.0| Infarct | | 2 3.0| Inflammation, Chronic | | 2 1.5| Inflammation, Suppurative | 4 2 3 3 | 8 3.1| Necrosis | 4 | 3 3.3| Nephropathy | 2 1 1 1 1 1 1 2 2 | 21 1.4| Pelvis, Inflammation, Suppurative | 1 | 1 1.0| Renal Tubule, Karyomegaly | 2 2 2 2 2 2 1 1 1 1 2 1 2 2 2 1 2 1 2 1| 40 1.6| Renal Tubule, Mineralization | | 1 1.0| __________________________________________________________________________|____________| Ureter | + | 1 | Mucosa, Inflammation, Chronic | 3 | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + A + + + + + + + + + +| 47 | Inflammation, Acute | 2 4 | 2 3.0| Inflammation, Chronic | 3 4 3 | 3 3.3| Inflammation, Necrotizing | | 1 4.0| Inflammation, Suppurative | | 2 2.5| Lumen, Concretion | | 1 2.0| Transitional Epithelium, Hyperplasia | 2 | 2 1.5| Transitional Epithelium, Necrosis | 4 4 | 6 3.2| __________________________________________________________________________________________________________________________________ * : 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 40 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------ --multipart-boundary Content-type: text/plain Range: bytes 371012-371012/371012 --multipart-boundary--