TDMS Study 05200-05 Pathology Tables
NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL NITROMETHANE NTP Experiment-Test: 05200-05 Report: PEIRPT09 Study Type: CHRONIC Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 CORE STUDY Facility: Battelle Northwest Chemical CAS #: 75-52-5 Lock Date: 06/22/92 Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 5| 5| 7| 7| 7| 5| DAY ON TEST | 3| 3| 2| 3| 4| 9| 3| 3| 3| 3| 3| 1| 0| 1| 3| 3| 1| 3| 2| 3| 1| 3| 3| 3| 7| | 4| 4| 7| 4| 4| 1| 5| 4| 5| 4| 5| 9| 4| 3| 4| 5| 4| 4| 6| 9| 9| 3| 3| 4| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 | Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X| Clear Cell Focus | X | Degeneration, Cystic | 2 | Degeneration, Fatty | 1 3 3 3 | Eosinophilic Focus | X | Hepatodiaphragmatic Nodule | X X X X X X | Inflammation, Granulomatous | | Mixed Cell Focus | X X X X| Necrosis | | Regeneration | 2 | Bile Duct, Hyperplasia | 1 1 1 2 1 | Centrilobular, Necrosis | | __________________________________________________________________________| Mesentery | + + + + | Fat, Necrosis | 3 3 2 2 | __________________________________________________________________________| Oral Mucosa | + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 2 1 2 2 2 2 1 2 | Basophilic Focus | X | Hyperplasia | 2 | Artery, Inflammation | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | Necrosis | 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 | Necrosis | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 3 1 2 1 1 1 1 1 2 1 1 2 2 2 2 1 2 2 1 1 1 2 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 5| 5| 7| 7| 7| 5| DAY ON TEST | 3| 3| 2| 3| 4| 9| 3| 3| 3| 3| 3| 1| 0| 1| 3| 3| 1| 3| 2| 3| 1| 3| 3| 3| 7| | 4| 4| 7| 4| 4| 1| 5| 4| 5| 4| 5| 9| 4| 3| 4| 5| 4| 4| 6| 9| 9| 3| 3| 4| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Hyperplasia | 2 1 2 1 | Hypertrophy | 2 1 1 1 2 3 2 3 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | | Pars Distalis, Hyperplasia | 2 2 1 1 2 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 2 1 1 2 4 1 2 1 2 3 1 1 3 2 1 1 1 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + M + + + + + + + + + +| Inflammation, Chronic Active | 3 2 3 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | 2 | __________________________________________________________________________| Vagina | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Reticulum Cell | 2 | __________________________________________________________________________| Lymph Node | + + M | Iliac, Pigmentation | | Renal, Hemorrhage | 2 | __________________________________________________________________________| Lymph Node, Bronchial | + + M + + M + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | __________________________________________________________________________| Lymph Node, Mediastinal | M + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 2 | Thrombosis | | __________________________________________________________________________| Thymus | M + + + + + + M + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 5| 5| 7| 7| 7| 5| DAY ON TEST | 3| 3| 2| 3| 4| 9| 3| 3| 3| 3| 3| 1| 0| 1| 3| 3| 1| 3| 2| 3| 1| 3| 3| 3| 7| | 4| 4| 7| 4| 4| 1| 5| 4| 5| 4| 5| 9| 4| 3| 4| 5| 4| 4| 6| 9| 9| 3| 3| 4| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | 2 | Hyperplasia, Atypical | 1 4 2 1 1 1 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | Inflammation, Chronic Active | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | 2 | __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Hydrocephalus | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Squamous | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Alveolar Epithelium, Hyperplasia | 2 2 3 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 2 | Nasolacrimal Duct, Inflammation, | | Suppurative | 1 3 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Cataract | 2 | Degeneration | 3 | __________________________________________________________________________| Harderian Gland | + + | Hemorrhage | 2 | __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | | Nephropathy | 2 3 2 2 3 1 2 2 1 1 2 1 2 2 3 2 2 2 1 2 2 3 2 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Transitional Epithelium, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 6| 6| 4| 7| 7| 7| 7| 7| 6| 7| 6| 7| 6| 6| 7| 7| 6| 6| 7| 7| 5| 7| 5| 7| 7| | DAY ON TEST | 5| 9| 5| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 8| 5| 3| 3| 6| 3| 8| 3| 3| | | 0| 1| 4| 3| 4| 5| 4| 5| 0| 3| 1| 5| 1| 0| 3| 3| 1| 8| 5| 5| 5| 4| 5| 3| 4| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | CONTROL | 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| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 1 | 2 2.0| Basophilic Focus | X X X X X X X X X X X X X X X X X X X X| 41 | Clear Cell Focus | X X X X X | 6 | Degeneration, Cystic | | 1 2.0| Degeneration, Fatty | 3 4 2 2 3 | 9 2.7| Eosinophilic Focus | X | 2 | Hepatodiaphragmatic Nodule | X | 7 | Inflammation, Granulomatous | 3 | 1 3.0| Mixed Cell Focus | X X X X X X X X| 12 | Necrosis | 3 | 1 3.0| Regeneration | 2 | 2 2.0| Bile Duct, Hyperplasia | 1 2 2 3 2 | 10 1.6| Centrilobular, Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Mesentery | + + + + + + | 10 | Fat, Necrosis | 2 2 2 | 7 2.3| __________________________________________________________________________|____________| Oral Mucosa | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 1 3 1 1 2 2 2 1 1 1 1| 20 1.6| Basophilic Focus | | 1 | Hyperplasia | | 1 2.0| Artery, Inflammation | 3 | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 2 | 1 2.0| __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | 3 2 | 2 2.5| Necrosis | 3 2 2 | 4 2.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | | 1 1.0| Necrosis | 2 3 | 2 2.5| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR 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 5 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 6| 6| 4| 7| 7| 7| 7| 7| 6| 7| 6| 7| 6| 6| 7| 7| 6| 6| 7| 7| 5| 7| 5| 7| 7| | DAY ON TEST | 5| 9| 5| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 8| 5| 3| 3| 6| 3| 8| 3| 3| | | 0| 1| 4| 3| 4| 5| 4| 5| 0| 3| 1| 5| 1| 0| 3| 3| 1| 8| 5| 5| 5| 4| 5| 3| 4| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | CONTROL | 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| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 1 3 2 2 2 1 2 2 1 1 1 1 1 1 1 1 2| 42 1.5| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 1 | 6 1.3| Hypertrophy | 2 2 1 3 2 2 2 3 | 16 2.0| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + M + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 4 | 3 2.3| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 3 | 2 2.5| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Angiectasis | 3 | 1 3.0| Pars Distalis, Hyperplasia | 2 3 1 2 2 1 | 13 1.8| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 2 2 1 2 1 1 | 41 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + M + + + + + + + + + + + + + + + + + + + + + M| 47 | Inflammation, Chronic Active | | 4 2.5| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 2.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 | 1 2.0| Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Vagina | + | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Reticulum Cell | | 1 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + | 7 | Iliac, Pigmentation | 2 | 1 2.0| Renal, Hemorrhage | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 6 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 6| 6| 4| 7| 7| 7| 7| 7| 6| 7| 6| 7| 6| 6| 7| 7| 6| 6| 7| 7| 5| 7| 5| 7| 7| | DAY ON TEST | 5| 9| 5| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 8| 5| 3| 3| 6| 3| 8| 3| 3| | | 0| 1| 4| 3| 4| 5| 4| 5| 0| 3| 1| 5| 1| 0| 3| 3| 1| 8| 5| 5| 5| 4| 5| 3| 4| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | CONTROL | 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| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + M + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + M + + + +| 48 | Hemorrhage | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | | 2 2.0| Thrombosis | 2 | 1 2.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | 3 2 | 3 2.3| Hyperplasia, Atypical | 2 2 1 1 3 1 | 12 1.7| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | 3 | 1 3.0| Inflammation, Chronic Active | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperostosis | 3 2 | 3 2.3| __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 2.0| Hydrocephalus | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Metaplasia, Squamous | 1 | 1 1.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 2 3 | 2 2.5| Alveolar Epithelium, Hyperplasia | 2 4 | 6 2.5| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 3 1 | 4 2.0| Nasolacrimal Duct, Inflammation, | | | Suppurative | 2 1 1 | 5 1.6| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 7 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 6| 6| 4| 7| 7| 7| 7| 7| 6| 7| 6| 7| 6| 6| 7| 7| 6| 6| 7| 7| 5| 7| 5| 7| 7| | DAY ON TEST | 5| 9| 5| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| 8| 5| 3| 3| 6| 3| 8| 3| 3| | | 0| 1| 4| 3| 4| 5| 4| 5| 0| 3| 1| 5| 1| 0| 3| 3| 1| 8| 5| 5| 5| 4| 5| 3| 4| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | CONTROL | 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| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 2 | Cataract | | 1 2.0| Degeneration | | 1 3.0| __________________________________________________________________________|____________| Harderian Gland | + | 3 | Hemorrhage | | 1 2.0| __________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | 3 | 1 3.0| Nephropathy | 2 2 2 2 3 2 2 2 1 2 3 3 2 2 2 2 1 2 2 2 2 2 2 2 2| 49 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Transitional Epithelium, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 8 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 6| 7| 7| 6| 5| 7| 5| 7| 7| 6| 7| 6| 6| 6| 6| 5| 7| 7| 7| 7| 6| 6| 5| 7| 4| DAY ON TEST | 6| 3| 3| 8| 6| 3| 8| 3| 3| 9| 3| 0| 2| 6| 6| 2| 3| 2| 3| 3| 0| 6| 8| 3| 8| | 2| 5| 5| 0| 1| 5| 8| 5| 3| 8| 3| 0| 3| 4| 5| 0| 5| 0| 3| 3| 6| 7| 6| 5| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 94 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Basophilic Focus | X X X X X X X X X X X X X X X X X X X X | Clear Cell Focus | X X | Degeneration, Fatty | 1 3 2 1 | Eosinophilic Focus | | Hepatodiaphragmatic Nodule | X | Mixed Cell Focus | X X X X X X X X X X | Bile Duct, Hyperplasia | 1 1 1 1 | __________________________________________________________________________| Mesentery | + + + + + + +| Fat, Necrosis | 2 2 2 3 2 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 1 3 1 1 2 1 2 1| Basophilic Focus | X | Metaplasia, Hepatocyte | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 | Basophilic Focus | X | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 3 | Necrosis | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 3 | Necrosis | | __________________________________________________________________________| Tooth | + | Inflammation, Chronic Active | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 2 2 2 2 1 2 2 2 1 1 1 1 2 1 1 1| Artery, Mineralization | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | | Hyperplasia | 2 1 2 2 1 2 2 2 1 | Hypertrophy | 3 3 2 1 2 | _____________________________________________________________________________________________________________________| Page 9 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 6| 7| 7| 6| 5| 7| 5| 7| 7| 6| 7| 6| 6| 6| 6| 5| 7| 7| 7| 7| 6| 6| 5| 7| 4| DAY ON TEST | 6| 3| 3| 8| 6| 3| 8| 3| 3| 9| 3| 0| 2| 6| 6| 2| 3| 2| 3| 3| 0| 6| 8| 3| 8| | 2| 5| 5| 0| 1| 5| 8| 5| 3| 8| 3| 0| 3| 4| 5| 0| 5| 0| 3| 3| 6| 7| 6| 5| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 94 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Vacuolization Cytoplasmic | 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Pars Distalis, Hyperplasia | 2 1 3 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 3 2 2 1 2 3 2 3 3 2 1 2 2 1 2 3 2 2 2 3 1 4 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + M + M + +| Inflammation, Chronic Active | 2 2 2 2 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 3 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Reticulum Cell | 2 | __________________________________________________________________________| Lymph Node | + + + | Pancreatic, Hemorrhage | | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 2 3| Inflammation, Granulomatous | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | Hematopoietic Cell Proliferation | 3 | Thrombosis | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + M + + + + + + + + + + + M| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | 1 | Hyperplasia, Atypical | 1 1 1 1 1 2 1 1 1 | _____________________________________________________________________________________________________________________| Page 10 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 6| 7| 7| 6| 5| 7| 5| 7| 7| 6| 7| 6| 6| 6| 6| 5| 7| 7| 7| 7| 6| 6| 5| 7| 4| DAY ON TEST | 6| 3| 3| 8| 6| 3| 8| 3| 3| 9| 3| 0| 2| 6| 6| 2| 3| 2| 3| 3| 0| 6| 8| 3| 8| | 2| 5| 5| 0| 1| 5| 8| 5| 3| 8| 3| 0| 3| 4| 5| 0| 5| 0| 3| 3| 6| 7| 6| 5| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 94 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Inflammation, Granulomatous | | Inflammation, Suppurative | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | Inflammation, Chronic Active | 2 | Inflammation, Granulomatous | | Sebaceous Gland, Hypertrophy | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 3 | Hyperostosis | | __________________________________________________________________________| Skeletal Muscle | + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Hydrocephalus | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Squamous | 2 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis, Focal | 1 | Hemorrhage | | Inflammation, Chronic Active | 1 | Mineralization | 2 | Alveolar Epithelium, Hyperplasia | 2 4 1 2 2 2 1 1 | Artery, Mediastinum, Mineralization | 3 | Bronchiole, Hyperplasia | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 2 2 | Inflammation, Suppurative | 2 | Thrombosis | | Nasolacrimal Duct, Inflammation, | | Suppurative | 3| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Degeneration | | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 6| 7| 7| 6| 5| 7| 5| 7| 7| 6| 7| 6| 6| 6| 6| 5| 7| 7| 7| 7| 6| 6| 5| 7| 4| DAY ON TEST | 6| 3| 3| 8| 6| 3| 8| 3| 3| 9| 3| 0| 2| 6| 6| 2| 3| 2| 3| 3| 0| 6| 8| 3| 8| | 2| 5| 5| 0| 1| 5| 8| 5| 3| 8| 3| 0| 3| 4| 5| 0| 5| 0| 3| 3| 6| 7| 6| 5| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 94 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 4 | Nephropathy | 2 2 2 2 1 2 2 2 2 2 2 3 2 2 2 4 3 2 2 2 2 2 3 3 2| Renal Tubule, Hyperplasia | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 12 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 4| 7| 4| 5| 4| 7| 4| 6| 7| 7| 7| 6| 6| 5| 5| 7| 5| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 5| 3| 9| 3| 7| 8| 2| 3| 3| 2| 3| 0| 2| 3| 9| 7| 1| 3| 7| 7| 3| | | 5| 3| 3| 4| 1| 4| 5| 4| 3| 0| 8| 3| 5| 1| 5| 0| 7| 6| 1| 9| 2| 3| 6| 2| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 94 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | | 1 2.0| Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X X| 42 | Clear Cell Focus | X X X X X X X | 9 | Degeneration, Fatty | 1 3 2 | 7 1.9| Eosinophilic Focus | X X | 2 | Hepatodiaphragmatic Nodule | X X X | 4 | Mixed Cell Focus | X X X X X| 15 | Bile Duct, Hyperplasia | 1 1 2 | 7 1.1| __________________________________________________________________________|____________| Mesentery | + + + + | 11 | Fat, Necrosis | 2 1 3 2 | 10 2.1| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 1 2 2 3 1 2 | 15 1.6| Basophilic Focus | X | 2 | Metaplasia, Hepatocyte | | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 1 1.0| Basophilic Focus | X | 2 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | | 1 3.0| Necrosis | 2 2 3| 3 2.3| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | | 1 3.0| Necrosis | 1 | 1 1.0| __________________________________________________________________________|____________| Tooth | | 1 | Inflammation, Chronic Active | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 2 2 1 1 2 1 1 2 3 1 2 2 1 | 31 1.6| Artery, Mineralization | | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 13 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 4| 7| 4| 5| 4| 7| 4| 6| 7| 7| 7| 6| 6| 5| 5| 7| 5| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 5| 3| 9| 3| 7| 8| 2| 3| 3| 2| 3| 0| 2| 3| 9| 7| 1| 3| 7| 7| 3| | | 5| 3| 3| 4| 1| 4| 5| 4| 3| 0| 8| 3| 5| 1| 5| 0| 7| 6| 1| 9| 2| 3| 6| 2| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 94 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hematopoietic Cell Proliferation | 3 | 1 3.0| Hyperplasia | 2 2 1 2 2 1 | 15 1.7| Hypertrophy | 3 1 2 2 2 2 2 | 12 2.1| Vacuolization Cytoplasmic | | 1 2.0| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 1 1 | 4 1.3| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + M + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 1 3.0| Pars Distalis, Hyperplasia | 4 1 4 3 | 8 2.5| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 2 3 3 2 1 2 2 1 1 2 1 1 1 1 3 2 1 2 1 2 2 2 3 2| 47 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + M + + + + + + + + + + + + + M + + + + +| 46 | Inflammation, Chronic Active | 3 | 6 2.2| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 2 3.5| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Reticulum Cell | 2 | 2 2.0| __________________________________________________________________________|____________| Lymph Node | + + + | 6 | Pancreatic, Hemorrhage | 1 | 1 1.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + M + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + M + M + + + + + +| 48 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + M + + + + + + + +| 49 | Hemorrhage | | 3 2.3| Inflammation, Granulomatous | 1 | 1 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 14 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 4| 7| 4| 5| 4| 7| 4| 6| 7| 7| 7| 6| 6| 5| 5| 7| 5| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 5| 3| 9| 3| 7| 8| 2| 3| 3| 2| 3| 0| 2| 3| 9| 7| 1| 3| 7| 7| 3| | | 5| 3| 3| 4| 1| 4| 5| 4| 3| 0| 8| 3| 5| 1| 5| 0| 7| 6| 1| 9| 2| 3| 6| 2| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 94 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | Fibrosis | 2 | 1 2.0| Hematopoietic Cell Proliferation | 3 3 | 3 3.0| Thrombosis | 3 | 1 3.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + M +| 47 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | | 1 1.0| Hyperplasia, Atypical | 2 1 1 1 1 1 1 2 | 17 1.2| Inflammation, Granulomatous | 3 | 1 3.0| Inflammation, Suppurative | 2 | 1 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperkeratosis | 1 | 1 1.0| Inflammation, Chronic Active | 3 | 2 2.5| Inflammation, Granulomatous | 3 | 1 3.0| Sebaceous Gland, Hypertrophy | 2| 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Osteodystrophy | | 1 3.0| Hyperostosis | 1 | 1 1.0| __________________________________________________________________________|____________| Skeletal Muscle | | 2 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 | 2 2.0| Hydrocephalus | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Metaplasia, Squamous | 2 | 2 2.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis, Focal | | 1 1.0| Hemorrhage | 2 | 1 2.0| Inflammation, Chronic Active | 1 | 2 1.0| Mineralization | | 1 2.0| Alveolar Epithelium, Hyperplasia | 2 2 2 | 11 1.9| Artery, Mediastinum, Mineralization | | 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 15 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 4| 7| 4| 5| 4| 7| 4| 6| 7| 7| 7| 6| 6| 5| 5| 7| 5| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 5| 3| 9| 3| 7| 8| 2| 3| 3| 2| 3| 0| 2| 3| 9| 7| 1| 3| 7| 7| 3| | | 5| 3| 3| 4| 1| 4| 5| 4| 3| 0| 8| 3| 5| 1| 5| 0| 7| 6| 1| 9| 2| 3| 6| 2| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 94 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Bronchiole, Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 3 1.7| Inflammation, Suppurative | 2 | 2 2.0| Thrombosis | 2 | 1 2.0| Nasolacrimal Duct, Inflammation, | | | Suppurative | 2 1 2 | 4 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | Degeneration | 3 | 1 3.0| __________________________________________________________________________|____________| Zymbal's Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | | 1 4.0| Nephropathy | 3 3 2 2 1 2 1 3 1 2 1 2 2 2 2 2 1 1 1 2 2 3 2 3| 49 2.1| Renal Tubule, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 16 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 6| 7| 7| 5| 7| 5| 6| 6| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 6| DAY ON TEST | 9| 3| 3| 4| 3| 1| 6| 5| 1| 3| 1| 9| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 8| | 1| 3| 5| 5| 5| 2| 5| 7| 9| 4| 2| 8| 5| 3| 4| 4| 3| 4| 5| 8| 4| 5| 3| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS 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| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 188 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 2 2 | Basophilic Focus | X X X X X X X X X X X X X X X X X X X | Clear Cell Focus | X X X | Degeneration, Cystic | 1 | Degeneration, Fatty | 3 2 2 2 2 | Eosinophilic Focus | | Hepatodiaphragmatic Nodule | X | Mixed Cell Focus | X X X X X X X X| Bile Duct, Hyperplasia | 2 1 1 2 1 1 2 1 | __________________________________________________________________________| Mesentery | + + + + + + + | Fat, Necrosis | 2 2 2 1 3 2 | __________________________________________________________________________| Oral Mucosa | + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 1 1 2 2 4 2 | Basophilic Focus | X X | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | Hyperplasia, Squamous | 3 | Inflammation, Acute | 2 3| Necrosis | 3 3| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 3| Mineralization | 1 | Necrosis | | __________________________________________________________________________| Tongue | + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 1 1 1 1 1 1 2 2 1 2 2 1 2 1 2 1 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 2 2 1 2 | Hypertrophy | 3 3 2 2 1 1 2 3 | _____________________________________________________________________________________________________________________| Page 17 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 6| 7| 7| 5| 7| 5| 6| 6| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 6| DAY ON TEST | 9| 3| 3| 4| 3| 1| 6| 5| 1| 3| 1| 9| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 8| | 1| 3| 5| 5| 5| 2| 5| 7| 9| 4| 2| 8| 5| 3| 4| 4| 3| 4| 5| 8| 4| 5| 3| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS 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| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 188 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + M + + + +| Hyperplasia | 1 2 1 1 1 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 3 2 2 2 2 3 2 1 1 1 2 2 1 2 2 3 2 3 1 3 2 2 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + M + + + + + + + +| Inflammation, Chronic Active | 3 1 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 2 2 | Inflammation, Granulomatous | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydrometra | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Reticulum Cell | 1 | __________________________________________________________________________| Lymph Node | + + + + | Pancreatic, Hemorrhage | 2 | Renal, Hemorrhage | | Renal, Pigmentation | | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + M| __________________________________________________________________________| Lymph Node, Mandibular | M + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Plasma Cell | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 1 | __________________________________________________________________________| Thymus | + M M + + + + + + M + + + + + + + + + + + + + I M| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | 2 3 | Hyperplasia, Atypical | 1 1 1 2 2 2 | Hyperplasia | 3 | Inflammation, Suppurative | 2 | _____________________________________________________________________________________________________________________| Page 18 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 6| 7| 7| 5| 7| 5| 6| 6| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 6| DAY ON TEST | 9| 3| 3| 4| 3| 1| 6| 5| 1| 3| 1| 9| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 8| | 1| 3| 5| 5| 5| 2| 5| 7| 9| 4| 2| 8| 5| 3| 4| 4| 3| 4| 5| 8| 4| 5| 3| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS 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| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 188 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Vulva, Inflammation, Acute | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Cranium, Hyperostosis | | Femur, Hyperostosis | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydrocephalus | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Squamous | 2 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hemorrhage | | Inflammation, Chronic Active | 1 | Alveolar Epithelium, Hyperplasia | 2 4 2| __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | Nasolacrimal Duct, Inflammation, | | Suppurative | 3 2 1 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | +| Cataract | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy | 1 3 3 1 2 1 2 4 2 3 2 3 3 2 3 2 1 2 3 2 2 2 2 2| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 19 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 7| 6| 5| 4| 7| 7| 7| 6| 6| 4| 7| | DAY ON TEST | 3| 3| 3| 0| 3| 3| 0| 3| 3| 4| 9| 3| 3| 3| 3| 7| 1| 4| 3| 3| 3| 5| 3| 3| 3| | | 5| 5| 4| 8| 4| 3| 5| 5| 4| 6| 1| 5| 3| 3| 5| 0| 3| 0| 4| 5| 3| 0| 8| 2| 3| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 188 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 1 | 4 1.5| Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X X| 41 | Clear Cell Focus | X X X X X X| 9 | Degeneration, Cystic | | 1 1.0| Degeneration, Fatty | 4 2 2 | 8 2.4| Eosinophilic Focus | X | 1 | Hepatodiaphragmatic Nodule | X X | 3 | Mixed Cell Focus | X X X | 11 | Bile Duct, Hyperplasia | 1 1 1 2 | 12 1.3| __________________________________________________________________________|____________| Mesentery | + + + + + | 12 | Fat, Necrosis | 3 3 2 2 | 10 2.2| __________________________________________________________________________|____________| Oral Mucosa | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 1 2 1 1 1 1 1 1 2 1 2 2 1 | 20 1.6| Basophilic Focus | | 2 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 2 | 1 2.0| __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Diverticulum | X | 1 | Hyperplasia, Squamous | | 1 3.0| Inflammation, Acute | 3 3 | 4 2.8| Necrosis | 4 3 2 | 5 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | | 1 3.0| Mineralization | | 1 1.0| Necrosis | 1 | 1 1.0| __________________________________________________________________________|____________| Tongue | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 2 2 1 2 1 1 2 1 1 1 2 2 1 2 2| 34 1.4| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 20 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 7| 6| 5| 4| 7| 7| 7| 6| 6| 4| 7| | DAY ON TEST | 3| 3| 3| 0| 3| 3| 0| 3| 3| 4| 9| 3| 3| 3| 3| 7| 1| 4| 3| 3| 3| 5| 3| 3| 3| | | 5| 5| 4| 8| 4| 3| 5| 5| 4| 6| 1| 5| 3| 3| 5| 0| 3| 0| 4| 5| 3| 0| 8| 2| 3| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 188 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 1 1 1 1 1| 12 1.3| Hypertrophy | 3 2 1 2 2 3| 14 2.1| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 1 1 2 | 9 1.3| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Hyperplasia | 2 1 1 3 2 3 4| 9 2.2| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 1 2 2 1 2 1 3 2 1 3 1 2 2 2 3 3 1 1 2 2 2 1 2 1 3| 49 1.9| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + M + + + + + + + M + + + + + + + + + + + + + +| 47 | Inflammation, Chronic Active | 2 | 4 2.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 3| 5 2.6| Inflammation, Granulomatous | 3 | 1 3.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hydrometra | | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Reticulum Cell | | 1 1.0| __________________________________________________________________________|____________| Lymph Node | + + + + + | 9 | Pancreatic, Hemorrhage | | 1 2.0| Renal, Hemorrhage | 3 | 1 3.0| Renal, Pigmentation | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + M + + + + + + + + + + + + + + + M + + +| 47 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + M +| 48 | Infiltration Cellular, Plasma Cell | 2 | 2 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + M +| 49 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 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: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 7| 6| 5| 4| 7| 7| 7| 6| 6| 4| 7| | DAY ON TEST | 3| 3| 3| 0| 3| 3| 0| 3| 3| 4| 9| 3| 3| 3| 3| 7| 1| 4| 3| 3| 3| 5| 3| 3| 3| | | 5| 5| 4| 8| 4| 3| 5| 5| 4| 6| 1| 5| 3| 3| 5| 0| 3| 0| 4| 5| 3| 0| 8| 2| 3| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 188 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 3 2 | 4 2.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 45 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | 3 | 3 2.7| Hyperplasia, Atypical | 1 2 1 1 2 1 2 1| 14 1.4| Hyperplasia | | 1 3.0| Inflammation, Suppurative | | 1 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + M + + + + + + M + + + + + + +| 48 | Vulva, Inflammation, Acute | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cranium, Hyperostosis | 3 | 1 3.0| Femur, Hyperostosis | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hydrocephalus | | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Metaplasia, Squamous | | 1 2.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | 4 | 1 4.0| Hemorrhage | 2| 1 2.0| Inflammation, Chronic Active | | 1 1.0| Alveolar Epithelium, Hyperplasia | 2 1 1 2| 7 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 1 | 2 1.5| Nasolacrimal Duct, Inflammation, | | | Suppurative | 3 2 | 6 2.2| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 2 | Cataract | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 22 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 7| 6| 5| 4| 7| 7| 7| 6| 6| 4| 7| | DAY ON TEST | 3| 3| 3| 0| 3| 3| 0| 3| 3| 4| 9| 3| 3| 3| 3| 7| 1| 4| 3| 3| 3| 5| 3| 3| 3| | | 5| 5| 4| 8| 4| 3| 5| 5| 4| 6| 1| 5| 3| 3| 5| 0| 3| 0| 4| 5| 3| 0| 8| 2| 3| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 188 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy | 2 2 1 1 2 3 4 2 2 1 1 2 2 3 2 2 2 3 3 2 2 2 1 3| 48 2.1| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + M +| 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 23 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 5| 6| 6| 6| 7| 6| 4| 6| 7| 7| 7| 6| 7| 7| 7| 6| 5| 7| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 9| 0| 7| 4| 3| 3| 2| 5| 3| 3| 1| 3| 3| 3| 3| 0| 5| 3| 7| 3| 3| 3| 3| 0| 2| | 7| 7| 2| 2| 4| 6| 5| 1| 4| 5| 2| 4| 3| 3| 4| 4| 2| 4| 6| 4| 4| 4| 3| 9| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 375 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 3 2 | Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X X| Clear Cell Focus | X | Degeneration, Fatty | 1 3 3 | Eosinophilic Focus | X | Hepatodiaphragmatic Nodule | X X X | Inflammation, Granulomatous | 3 | Mixed Cell Focus | X X X X X X X X| Necrosis | 2 | Bile Duct, Hyperplasia | 2 2 2 1 2 2 | __________________________________________________________________________| Mesentery | + + + + + + | Fat, Necrosis | 3 2 2 3 3 | __________________________________________________________________________| Oral Mucosa | + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 1 1 1 2 2 2 2 3 2 2 2 1 1| Basophilic Focus | X | Hyperplasia | | Artery, Inflammation | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 1 | Mineralization | | Necrosis | 2 3 3 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | | Necrosis | 1 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 3 1 1 1 1 1 2 1 1 1 2 2 2 1 2 1 1 2| Atrium, Thrombosis | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 | Hyperplasia | 1 2 1 2 1 1 2 2 | _____________________________________________________________________________________________________________________| Page 24 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 5| 6| 6| 6| 7| 6| 4| 6| 7| 7| 7| 6| 7| 7| 7| 6| 5| 7| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 9| 0| 7| 4| 3| 3| 2| 5| 3| 3| 1| 3| 3| 3| 3| 0| 5| 3| 7| 3| 3| 3| 3| 0| 2| | 7| 7| 2| 2| 4| 6| 5| 1| 4| 5| 2| 4| 3| 3| 4| 4| 2| 4| 6| 4| 4| 4| 3| 9| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 375 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Hypertrophy | 2 1 2 3 1 | Necrosis | 2 | Vacuolization Cytoplasmic | 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 2 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 1 3 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 3 2 2 2 2 1 1 1 2 2 3 1 2 2 2 2 1 4 1 2 1 2 3 2| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + M + M + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 | Inflammation, Chronic Active | 3 3 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 4 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Reticulum Cell | 2 2 | __________________________________________________________________________| Lymph Node | + + | Iliac, Pigmentation | 2 | Pancreatic, Infiltration Cellular, | | Eosinophil | 3 | Pancreatic, Inflammation, | | Granulomatous | 3 | Renal, Hemorrhage | | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + M + + + + + + + +| Infiltration Cellular, Eosinophil | 3 | Inflammation, Granulomatous | 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + M + M + + +| Hemorrhage | | Infiltration Cellular, Plasma Cell | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Infiltration Cellular, Eosinophil | 3 | Inflammation, Granulomatous | 3 | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + M + +| _____________________________________________________________________________________________________________________| Page 25 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 5| 6| 6| 6| 7| 6| 4| 6| 7| 7| 7| 6| 7| 7| 7| 6| 5| 7| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 9| 0| 7| 4| 3| 3| 2| 5| 3| 3| 1| 3| 3| 3| 3| 0| 5| 3| 7| 3| 3| 3| 3| 0| 2| | 7| 7| 2| 2| 4| 6| 5| 1| 4| 5| 2| 4| 3| 3| 4| 4| 2| 4| 6| 4| 4| 4| 3| 9| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 375 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Hemorrhage | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 | Hematopoietic Cell Proliferation | 3 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | 2 3 2 2 | Hyperplasia, Atypical | 2 2 3 2 1 2 2 1 3 1 1 | Hyperplasia, Lobular | 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + M + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | | __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | __________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Squamous | 2 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis, Multifocal | | Hemorrhage | | Inflammation, Chronic Active | 3 | Alveolar Epithelium, Hyperplasia | 2 1 2 2 | Artery, Mediastinum, Inflammation | | Bronchiole, Metaplasia | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Thrombosis | 2 | Nasolacrimal Duct, Inflammation, | | Suppurative | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + +| Cataract | 3| Degeneration | 4 | _____________________________________________________________________________________________________________________| Page 26 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 5| 6| 6| 6| 7| 6| 4| 6| 7| 7| 7| 6| 7| 7| 7| 6| 5| 7| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 9| 0| 7| 4| 3| 3| 2| 5| 3| 3| 1| 3| 3| 3| 3| 0| 5| 3| 7| 3| 3| 3| 3| 0| 2| | 7| 7| 2| 2| 4| 6| 5| 1| 4| 5| 2| 4| 3| 3| 4| 4| 2| 4| 6| 4| 4| 4| 3| 9| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 375 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | Retina, Atrophy | 2| __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | 3 | Nephropathy | 2 3 4 1 2 2 3 2 2 3 2 3 4 2 2 1 3 2 2 3 3 2 2 2| Renal Tubule, Hyperplasia | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 27 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 6| 7| 4| 7| 7| 7| 6| 6| 5| 6| 7| 3| 7| 6| 7| 6| 7| 7| 7| 6| 7| 4| 7| 5| 7| | DAY ON TEST | 6| 3| 9| 3| 3| 3| 8| 7| 5| 6| 2| 8| 3| 0| 3| 0| 3| 3| 3| 6| 3| 9| 3| 9| 3| | | 5| 5| 6| 3| 3| 4| 4| 0| 0| 5| 0| 7| 3| 0| 5| 4| 5| 3| 3| 0| 4| 2| 4| 4| 3| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 375 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + I + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 1 3 | 5 2.0| Basophilic Focus | X X X X X X X X X X X X X X X X X X X| 41 | Clear Cell Focus | X X X X X X | 7 | Degeneration, Fatty | 1 3 | 5 2.2| Eosinophilic Focus | | 1 | Hepatodiaphragmatic Nodule | X X | 5 | Inflammation, Granulomatous | | 1 3.0| Mixed Cell Focus | X X X X X X X X X | 17 | Necrosis | | 1 2.0| Bile Duct, Hyperplasia | 1 2 1 | 9 1.7| __________________________________________________________________________|____________| Mesentery | + + + + + + + +| 14 | Fat, Necrosis | 3 3 1 3 3 2| 11 2.5| __________________________________________________________________________|____________| Oral Mucosa | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 1 1 1 2 1 1 4 2 3 1 | 24 1.7| Basophilic Focus | | 1 | Hyperplasia | 2 | 1 2.0| Artery, Inflammation | 2 | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | | 1 1.0| Mineralization | 2 | 1 2.0| Necrosis | 2 2 | 6 2.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 1| 1 1.0| Necrosis | | 2 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 1 3 2 1 1 2 2 2 2 2 1 1 1 1 2 1 2 1 2| 39 1.5| Atrium, Thrombosis | | 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 28 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 6| 7| 4| 7| 7| 7| 6| 6| 5| 6| 7| 3| 7| 6| 7| 6| 7| 7| 7| 6| 7| 4| 7| 5| 7| | DAY ON TEST | 6| 3| 9| 3| 3| 3| 8| 7| 5| 6| 2| 8| 3| 0| 3| 0| 3| 3| 3| 6| 3| 9| 3| 9| 3| | | 5| 5| 6| 3| 3| 4| 4| 0| 0| 5| 0| 7| 3| 0| 5| 4| 5| 3| 3| 0| 4| 2| 4| 4| 3| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 375 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | | 1 3.0| Hyperplasia | 2 1 2 1 1 | 13 1.5| Hypertrophy | 2 2 2 2 2 2 1| 12 1.8| Necrosis | | 1 2.0| Vacuolization Cytoplasmic | 3 | 2 2.5| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 2 1 1| 8 1.5| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + M + + + + + + + + + + + + + + + + + + + M +| 48 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Hyperplasia | 3 3 1 3 2 4 | 9 2.3| __________________________________________________________________________|____________| Thyroid Gland | + + + M + + + + + + + + + + + + + + + + + + + + +| 49 | C-Cell, Hyperplasia | 2 3 3 4 1 2 3 2 3 1 3 2 2 3 1 1 1 3| 42 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia | | 1 4.0| Inflammation, Chronic Active | | 2 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 | 3 3.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Reticulum Cell | | 2 2.0| __________________________________________________________________________|____________| Lymph Node | + | 3 | Iliac, Pigmentation | | 1 2.0| Pancreatic, Infiltration Cellular, | | | Eosinophil | | 1 3.0| Pancreatic, Inflammation, | | | Granulomatous | | 1 3.0| Renal, Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + M + + + + + + + + + +| 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 29 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 6| 7| 4| 7| 7| 7| 6| 6| 5| 6| 7| 3| 7| 6| 7| 6| 7| 7| 7| 6| 7| 4| 7| 5| 7| | DAY ON TEST | 6| 3| 9| 3| 3| 3| 8| 7| 5| 6| 2| 8| 3| 0| 3| 0| 3| 3| 3| 6| 3| 9| 3| 9| 3| | | 5| 5| 6| 3| 3| 4| 4| 0| 0| 5| 0| 7| 3| 0| 5| 4| 5| 3| 3| 0| 4| 2| 4| 4| 3| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 375 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Infiltration Cellular, Eosinophil | | 1 3.0| Inflammation, Granulomatous | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + M + + + + + + + + + + + +| 47 | Hemorrhage | 2 | 1 2.0| Infiltration Cellular, Plasma Cell | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 1 | 1 1.0| Infiltration Cellular, Eosinophil | | 1 3.0| Inflammation, Granulomatous | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + M M + + + + + + + + + + + M +| 46 | Hemorrhage | 3 | 2 2.5| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | | 1 2.0| Hematopoietic Cell Proliferation | 3 | 2 3.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + M + + + + + + + + + + + M +| 48 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | 1 3 3 | 7 2.3| Hyperplasia, Atypical | 1 2 1 1 | 15 1.7| Hyperplasia, Lobular | 2 | 2 2.5| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperostosis | 3 | 1 3.0| __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 3 | 1 3.0| __________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + M + + + + + + + + + + + + + + + + + + + + +| 49 | Metaplasia, Squamous | 1 | 2 1.5| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis, Multifocal | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 30 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 6| 7| 4| 7| 7| 7| 6| 6| 5| 6| 7| 3| 7| 6| 7| 6| 7| 7| 7| 6| 7| 4| 7| 5| 7| | DAY ON TEST | 6| 3| 9| 3| 3| 3| 8| 7| 5| 6| 2| 8| 3| 0| 3| 0| 3| 3| 3| 6| 3| 9| 3| 9| 3| | | 5| 5| 6| 3| 3| 4| 4| 0| 0| 5| 0| 7| 3| 0| 5| 4| 5| 3| 3| 0| 4| 2| 4| 4| 3| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 375 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Hemorrhage | 1 | 1 1.0| Inflammation, Chronic Active | | 1 3.0| Alveolar Epithelium, Hyperplasia | 3 2 3 | 7 2.1| Artery, Mediastinum, Inflammation | 2 | 1 2.0| Bronchiole, Metaplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Thrombosis | | 1 2.0| Nasolacrimal Duct, Inflammation, | | | Suppurative | 2 1 | 2 1.5| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + | 4 | Cataract | 4 3 | 3 3.3| Degeneration | | 1 4.0| Retina, Atrophy | | 1 2.0| __________________________________________________________________________|____________| Zymbal's Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | | 1 3.0| Nephropathy | 1 2 1 2 2 3 3 2 2 3 3 1 3 2 2 1 2 3 3 4 2 2 2 2 3| 49 2.3| Renal Tubule, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 31 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 5| 7| 6| 7| 6| 6| 6| 7| 6| 7| 6| 5| 5| 7| 5| 5| 5| 7| 7| 4| 6| 4| 5| 7| 7| DAY ON TEST | 0| 3| 9| 2| 2| 6| 1| 3| 1| 3| 1| 8| 6| 3| 9| 9| 1| 3| 3| 9| 6| 9| 5| 1| 3| | 4| 3| 2| 0| 3| 4| 1| 3| 1| 4| 2| 0| 9| 5| 2| 0| 2| 5| 0| 0| 0| 1| 2| 9| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | 4 | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | 2 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | X | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X X X X X X X| Clear Cell Focus | X X | Degeneration, Cystic | 3 3 1 2 2 2| Degeneration, Fatty | 2 1 3 2 2 | Eosinophilic Focus | X | Hepatodiaphragmatic Nodule | X X | Mixed Cell Focus | X X X X X | Necrosis | 3 | Regeneration | 2 | Bile Duct, Hyperplasia | 2 1 1 2 2 3 3 2 2 1 2 2 1 1 1 2 2 1 2 2 1 1| Centrilobular, Necrosis | 3 2 1 | __________________________________________________________________________| Mesentery | + + + + + + + + +| Fat, Necrosis | 2 3 2 2 2 2| __________________________________________________________________________| Oral Mucosa | | Pharyngeal, Hyperplasia, Squamous | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 3 1 3 2 2 2 1 2 4 1 3 | Hyperplasia | 2 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 2 2 | Necrosis | 2 3 2 1 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | Necrosis | 2 1 | __________________________________________________________________________| Tooth | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 3 2 3 2 3 2 1 3 1 2 1 2 2 2 2 2 2 1 1 3 2| Atrium, Thrombosis | 4 3 | _____________________________________________________________________________________________________________________| Page 32 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 5| 7| 6| 7| 6| 6| 6| 7| 6| 7| 6| 5| 5| 7| 5| 5| 5| 7| 7| 4| 6| 4| 5| 7| 7| DAY ON TEST | 0| 3| 9| 2| 2| 6| 1| 3| 1| 3| 1| 8| 6| 3| 9| 9| 1| 3| 3| 9| 6| 9| 5| 1| 3| | 4| 3| 2| 0| 3| 4| 1| 3| 1| 4| 2| 0| 9| 5| 2| 0| 2| 5| 0| 0| 0| 1| 2| 9| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 2 2 2 2 2 2 2 1 2| Hypertrophy | 2 2 | Necrosis | 3 | Vacuolization Cytoplasmic | 4 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 1 2 3 3 3 2 1| Necrosis | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + M + + + + + + + + + + + + + + + + +| Hyperplasia | 3 2 2 2 2| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 2 2 1 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 2 1 2 2 2 1 2 1 2 1 1 1 1 1 1 1 1| Follicular Cell, Hyperplasia | 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Penis | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 2 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 2 3 2 2 2 | Inflammation, Suppurative | 2 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 | Interstitial Cell, Hyperplasia | 1 1 2 1 1 1 1 1 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 3 | Thrombosis | 2 | __________________________________________________________________________| Lymph Node | + + + + + + +| Pancreatic, Inflammation, | | Granulomatous | 3 | Renal, Infiltration Cellular, Plasma | | _____________________________________________________________________________________________________________________| Page 33 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 5| 7| 6| 7| 6| 6| 6| 7| 6| 7| 6| 5| 5| 7| 5| 5| 5| 7| 7| 4| 6| 4| 5| 7| 7| DAY ON TEST | 0| 3| 9| 2| 2| 6| 1| 3| 1| 3| 1| 8| 6| 3| 9| 9| 1| 3| 3| 9| 6| 9| 5| 1| 3| | 4| 3| 2| 0| 3| 4| 1| 3| 1| 4| 2| 0| 9| 5| 2| 0| 2| 5| 0| 0| 0| 1| 2| 9| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Cell | 2| Renal, Inflammation, Granulomatous | 2 | Renal, Pigmentation | | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + M + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + M + + + + + +| Infiltration Cellular, Plasma Cell | 2 | Inflammation, Granulomatous | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 1 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 3 3 3 1 3| Hematopoietic Cell Proliferation | 2 | Necrosis | 4 | __________________________________________________________________________| Thymus | + + M + + + + + + + + + M + + + + + M + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + M + M + M M + M + + M + M + M M + M + M + M +| Galactocele | 3 | Hyperplasia, Atypical | | Hyperplasia | | Duct, Inflammation, Chronic | 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 | Hyperkeratosis | 4 | Inflammation, Chronic Active | 3 | Inflammation, Granulomatous | 2 | Prepuce, Inflammation, Acute | 2 | Subcutaneous Tissue, Cyst Epithelial | | Inclusion | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | | __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Hydrocephalus | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Squamous | 1 | _____________________________________________________________________________________________________________________| Page 34 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 5| 7| 6| 7| 6| 6| 6| 7| 6| 7| 6| 5| 5| 7| 5| 5| 5| 7| 7| 4| 6| 4| 5| 7| 7| DAY ON TEST | 0| 3| 9| 2| 2| 6| 1| 3| 1| 3| 1| 8| 6| 3| 9| 9| 1| 3| 3| 9| 6| 9| 5| 1| 3| | 4| 3| 2| 0| 3| 4| 1| 3| 1| 4| 2| 0| 9| 5| 2| 0| 2| 5| 0| 0| 0| 1| 2| 9| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion, Chronic | 3 | Congestion | 4 | Hemorrhage | | Inflammation, Chronic Active | | Alveolar Epithelium, Hyperplasia | 1 1 2 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 1 | Inflammation, Suppurative | 1 1 1 1 2 2| Thrombosis | 2 1 4 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Degeneration | 2 1 | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | 2 | Nephropathy | 2 4 4 4 2 2 4 3 2 3 3 2 2 4 2 4 3 4 3 1 2 2 2 4 4| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 35 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 6| 2| 7| 6| 5| 7| 7| 6| 6| 4| 6| 7| 7| 5| 6| 5| 6| | DAY ON TEST | 3| 2| 3| 8| 3| 3| 6| 2| 8| 4| 3| 0| 3| 3| 0| 4| 2| 1| 7| 3| 2| 2| 7| 6| 4| | | 3| 7| 4| 4| 5| 5| 4| 5| 1| 2| 5| 0| 7| 5| 8| 4| 6| 1| 3| 3| 0| 8| 0| 5| 4| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | CONTROL | 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| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis | | 1 4.0| __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Diverticulum | | 1 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 1 | 1 1.0| Basophilic Focus | X X X X X X X X X| 16 | Clear Cell Focus | X | 3 | Degeneration, Cystic | 2 2 2 2 2 3 2 3 3 1 2 3 2 | 19 2.2| Degeneration, Fatty | 2 | 6 2.0| Eosinophilic Focus | X | 2 | Hepatodiaphragmatic Nodule | X X | 4 | Mixed Cell Focus | X X | 7 | Necrosis | | 1 3.0| Regeneration | 3 | 2 2.5| Bile Duct, Hyperplasia | 1 3 1 2 2 2 2 2 2 3 2 3 3 2 1 3 2 1 1 2 2 1| 44 1.8| Centrilobular, Necrosis | 2 3 2 2 | 7 2.1| __________________________________________________________________________|____________| Mesentery | + + + + + + | 15 | Fat, Necrosis | 2 2 2 3 2 2 | 12 2.2| __________________________________________________________________________|____________| Oral Mucosa | + | 1 | Pharyngeal, Hyperplasia, Squamous | 4 | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 4 1 2 2 1 1 4 3 2 1 4 2 1 3 2 | 27 2.1| Hyperplasia | | 2 2.5| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | 2 | 3 2.0| Necrosis | 3 2 | 6 2.2| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | 1 | 1 1.0| Necrosis | 2 | 3 1.7| __________________________________________________________________________|____________| Tooth | + | 1 | Inflammation, Chronic Active | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 36 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 6| 2| 7| 6| 5| 7| 7| 6| 6| 4| 6| 7| 7| 5| 6| 5| 6| | DAY ON TEST | 3| 2| 3| 8| 3| 3| 6| 2| 8| 4| 3| 0| 3| 3| 0| 4| 2| 1| 7| 3| 2| 2| 7| 6| 4| | | 3| 7| 4| 4| 5| 5| 4| 5| 1| 2| 5| 0| 7| 5| 8| 4| 6| 1| 3| 3| 0| 8| 0| 5| 4| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | CONTROL | 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| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 3 2 2 2 2 2 3 2 1 2 1 1 2 2 2 2 2 4 3 4 1 1 2 2| 45 2.0| Atrium, Thrombosis | 2 2 3 | 5 2.8| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 2 3 2 1 2 2 1 2 1 1 2 2| 24 1.8| Hypertrophy | 2 2 2 2 | 6 2.0| Necrosis | | 1 3.0| Vacuolization Cytoplasmic | | 1 4.0| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 3 2 2 2 2 2 4 3 3 3 | 20 2.4| Necrosis | 3 | 1 3.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + M + + + + + + + + + + + M + + + +| 47 | Hyperplasia | 3 1 2 | 8 2.1| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Hyperplasia | 3 3 2 | 7 2.1| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 2 4 1 1 2 2 2 1 2 1 2 3 1 1 2 1 | 34 1.6| Follicular Cell, Hyperplasia | | 1 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Penis | +| 1 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 2 2 2 | 5 2.2| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 2 | 7 2.1| Inflammation, Suppurative | 4 3 2 | 4 2.8| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 3 4 | 4 3.8| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 37 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 6| 2| 7| 6| 5| 7| 7| 6| 6| 4| 6| 7| 7| 5| 6| 5| 6| | DAY ON TEST | 3| 2| 3| 8| 3| 3| 6| 2| 8| 4| 3| 0| 3| 3| 0| 4| 2| 1| 7| 3| 2| 2| 7| 6| 4| | | 3| 7| 4| 4| 5| 5| 4| 5| 1| 2| 5| 0| 7| 5| 8| 4| 6| 1| 3| 3| 0| 8| 0| 5| 4| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | CONTROL | 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| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Interstitial Cell, Hyperplasia | 1 1 1 1 2 2 1 1 1| 17 1.2| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Myelofibrosis | 3 | 2 3.0| Thrombosis | | 1 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + +| 17 | Pancreatic, Inflammation, | | | Granulomatous | | 1 3.0| Renal, Infiltration Cellular, Plasma | | | Cell | | 1 2.0| Renal, Inflammation, Granulomatous | | 1 2.0| Renal, Pigmentation | 1 2 | 2 1.5| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + M + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + M + + + + + + + + + + + + + + + + +| 48 | Infiltration Cellular, Plasma Cell | | 1 2.0| Inflammation, Granulomatous | 1 | 1 1.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 3 | 2 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 2 2 2 3 4 3 3 2 | 14 2.6| Hematopoietic Cell Proliferation | | 1 2.0| Necrosis | | 1 4.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + M + + + + + + + + + + + + + + + M| 45 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + M + + M + + M M + + + M + M M M M + + M +| 28 | Galactocele | 3 | 2 3.0| Hyperplasia, Atypical | 2 | 1 2.0| Hyperplasia | 2 | 1 2.0| Duct, Inflammation, Chronic | | 1 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 3 | 2 3.5| Hyperkeratosis | 2 4 | 3 3.3| Inflammation, Chronic Active | | 1 3.0| Inflammation, Granulomatous | 2 | 2 2.0| Prepuce, Inflammation, Acute | 2 | 2 2.0| Subcutaneous Tissue, Cyst Epithelial | | | __________________________________________________________________________________________________________________________________ * : 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: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 6| 2| 7| 6| 5| 7| 7| 6| 6| 4| 6| 7| 7| 5| 6| 5| 6| | DAY ON TEST | 3| 2| 3| 8| 3| 3| 6| 2| 8| 4| 3| 0| 3| 3| 0| 4| 2| 1| 7| 3| 2| 2| 7| 6| 4| | | 3| 7| 4| 4| 5| 5| 4| 5| 1| 2| 5| 0| 7| 5| 8| 4| 6| 1| 3| 3| 0| 8| 0| 5| 4| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | CONTROL | 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| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Inclusion | X | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperostosis | 2 | 1 2.0| __________________________________________________________________________|____________| Skeletal Muscle | + | 2 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 | 1 2.0| Hydrocephalus | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Metaplasia, Squamous | | 1 1.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion, Chronic | | 1 3.0| Congestion | | 1 4.0| Hemorrhage | 1 | 1 1.0| Inflammation, Chronic Active | 2 2 | 2 2.0| Alveolar Epithelium, Hyperplasia | | 4 1.3| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 1 1 | 4 1.0| Inflammation, Suppurative | 1 1 1 1 | 10 1.2| Thrombosis | 2 2 | 6 2.2| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 2 | Degeneration | | 2 1.5| __________________________________________________________________________|____________| Harderian Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | 2 | 2 2.0| Nephropathy | 4 3 3 4 3 4 2 4 3 1 3 2 2 3 3 2 4 1 3 3 3 2 2 2 3| 50 2.8| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 39 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 7| 6| 5| 6| 7| 6| 4| 6| 4| 6| 7| 7| 5| 5| 7| 6| 6| 7| 6| 2| 7| 6| 6| 6| 4| DAY ON TEST | 3| 0| 1| 1| 3| 3| 3| 6| 9| 5| 3| 3| 9| 2| 3| 6| 0| 3| 0| 9| 3| 4| 4| 7| 9| | 4| 7| 5| 6| 5| 6| 9| 5| 0| 0| 3| 5| 3| 0| 5| 4| 6| 5| 9| 2| 5| 2| 6| 7| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 94 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + M + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 4 | Necrosis | 3 | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | 1 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 2 | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 4 | Basophilic Focus | X X X X X X X X | Clear Cell Focus | X X | Cyst | 2 | Degeneration, Cystic | 3 2 2 2 2 1 1 | Degeneration, Fatty | 4 3 2 | Eosinophilic Focus | X X | Hepatodiaphragmatic Nodule | | Mixed Cell Focus | X X X X | Necrosis | 1 | Bile Duct, Hyperplasia | 1 3 1 2 2 1 2 2 3 1 1 2 2 2 1 1 2 2 2 2 2 3 2| Centrilobular, Necrosis | 2 | __________________________________________________________________________| Mesentery | + + + + + + + | Infiltration Cellular | 4 | Artery, Inflammation | | Artery, Mineralization | 3 | Fat, Hemorrhage | | Fat, Necrosis | 2 2 2 | __________________________________________________________________________| Oral Mucosa | + + | Gingival, Hyperplasia | 3 | Gingival, Inflammation, Chronic | | Active | 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 3 2 3 4 2 1 4 3 2 4| Basophilic Focus | X | Hyperplasia, Focal | | Hyperplasia | 3 | Artery, Inflammation | 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Fatty | 2 | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 4 3 2 | _____________________________________________________________________________________________________________________| Page 40 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 7| 6| 5| 6| 7| 6| 4| 6| 4| 6| 7| 7| 5| 5| 7| 6| 6| 7| 6| 2| 7| 6| 6| 6| 4| DAY ON TEST | 3| 0| 1| 1| 3| 3| 3| 6| 9| 5| 3| 3| 9| 2| 3| 6| 0| 3| 0| 9| 3| 4| 4| 7| 9| | 4| 7| 5| 6| 5| 6| 9| 5| 0| 0| 3| 5| 3| 0| 5| 4| 6| 5| 9| 2| 5| 2| 6| 7| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 94 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Inflammation, Acute | 2 | Necrosis | 2 3 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 4 | Necrosis | 3 | __________________________________________________________________________| Tongue | + | __________________________________________________________________________| Tooth | | Foreign Body | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 1 1 1 2 1 2 1 1 2 2 3 2 1 1 4 1 3 3 2 2 1 2 2 2| Artery, Mineralization | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 3 4 | Hyperplasia | 2 1 2 1 1 2 1 2 1 2 | Hypertrophy | 2 3 1 2 2 | Vacuolization Cytoplasmic | | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 1 1 1 2 2 1 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 3 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 2 | __________________________________________________________________________| Pituitary Gland | + + + M + + + + + + + + + M + + + + + + + + + M +| Pars Distalis, Hyperplasia | 2 3 3| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 1 1 3 1 2 1 1 1 1 1 1 1 2 1 1 2| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Peritoneum | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 | Inflammation, Chronic Active | 2 4 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 3 2 2 3 | Inflammation, Suppurative | 3 4 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 41 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 7| 6| 5| 6| 7| 6| 4| 6| 4| 6| 7| 7| 5| 5| 7| 6| 6| 7| 6| 2| 7| 6| 6| 6| 4| DAY ON TEST | 3| 0| 1| 1| 3| 3| 3| 6| 9| 5| 3| 3| 9| 2| 3| 6| 0| 3| 0| 9| 3| 4| 4| 7| 9| | 4| 7| 5| 6| 5| 6| 9| 5| 0| 0| 3| 5| 3| 0| 5| 4| 6| 5| 9| 2| 5| 2| 6| 7| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 94 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 3 4 | Artery, Inflammation | 2 3 | Interstitial Cell, Hyperplasia | 1 1 1 2 1 1 1 1 3| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Thrombosis | | __________________________________________________________________________| Lymph Node | + + + + + + | Renal, Hemorrhage | | Renal, Inflammation, Granulomatous | 3 | Renal, Pigmentation | | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + M + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Plasma Cell | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 1 | Inflammation, Acute | 2 | Inflammation, Granulomatous | 3 | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + M + M + + + + + + + + + M + + + +| Hemorrhage | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 3 2 2 2 3 3 2 3 2 | Hematopoietic Cell Proliferation | 2 | Hemorrhage | 4 | __________________________________________________________________________| Thymus | + + + + + + + M + + + + + + + + + + + + M + + + +| Artery, Inflammation | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + M M + + M + M + M M M M + + M + M M + + M M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + M| Cyst | | Hyperkeratosis | 2 | Inflammation, Chronic Active | 3 | Inflammation, Granulomatous | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 3 1 | Hyperostosis | 1 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 42 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 7| 6| 5| 6| 7| 6| 4| 6| 4| 6| 7| 7| 5| 5| 7| 6| 6| 7| 6| 2| 7| 6| 6| 6| 4| DAY ON TEST | 3| 0| 1| 1| 3| 3| 3| 6| 9| 5| 3| 3| 9| 2| 3| 6| 0| 3| 0| 9| 3| 4| 4| 7| 9| | 4| 7| 5| 6| 5| 6| 9| 5| 0| 0| 3| 5| 3| 0| 5| 4| 6| 5| 9| 2| 5| 2| 6| 7| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 94 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | Artery, Inflammation | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Inflammation, Chronic Active | 1 | Alveolar Epithelium, Hyperplasia | 1 1 3 4 1 2 | Artery, Mediastinum, Inflammation | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | X | Inflammation, Chronic Active | 2 | Inflammation, Suppurative | 2 | Thrombosis | 2 1 2 | Nasolacrimal Duct, Inflammation, | | Suppurative | 2 | Olfactory Epithelium, Foreign Body | | Olfactory Epithelium, Inflammation, | | Suppurative | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Hyperplasia | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Degeneration | | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 | Nephropathy | 4 4 2 2 4 4 3 3 3 3 4 3 2 1 3 4 4 2 2 1 4 3 3 3 2| Artery, Inflammation | | Renal Tubule, Hyperplasia | 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | Inflammation, Suppurative | 2 | _____________________________________________________________________________________________________________________| Page 43 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 6| 5| 6| 6| 5| 6| 5| 5| 4| 7| 6| 5| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 3| 6| 7| | DAY ON TEST | 0| 2| 6| 8| 7| 7| 8| 8| 2| 3| 0| 2| 3| 3| 3| 8| 1| 3| 3| 0| 3| 3| 9| 9| 3| | | 1| 4| 5| 6| 4| 0| 1| 8| 7| 3| 4| 3| 4| 4| 4| 6| 4| 3| 3| 8| 4| 3| 7| 2| 3| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 94 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | | 1 4.0| Necrosis | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis | | 1 1.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 1 | 3 2.0| Basophilic Focus | X X X X X X X X X X X | 19 | Clear Cell Focus | X X X | 5 | Cyst | 2 | 2 2.0| Degeneration, Cystic | 2 1 2 2 2 4 2 3| 15 2.1| Degeneration, Fatty | 2 3 2 | 6 2.7| Eosinophilic Focus | X X | 4 | Hepatodiaphragmatic Nodule | X X X X | 4 | Mixed Cell Focus | X X | 6 | Necrosis | 1 | 2 1.0| Bile Duct, Hyperplasia | 1 2 1 1 1 1 3 1 2 1 3 1 2 2 3 2 1 1 2 1| 43 1.7| Centrilobular, Necrosis | | 1 2.0| __________________________________________________________________________|____________| Mesentery | + + + + + + | 13 | Infiltration Cellular | | 1 4.0| Artery, Inflammation | 4 3 | 2 3.5| Artery, Mineralization | 3 | 2 3.0| Fat, Hemorrhage | 3 | 1 3.0| Fat, Necrosis | 2 2 3 2 | 7 2.1| __________________________________________________________________________|____________| Oral Mucosa | | 2 | Gingival, Hyperplasia | | 1 3.0| Gingival, Inflammation, Chronic | | | Active | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 2 3 3 2 1 2 1 1 2 2 3 3 2 2 2 2 3| 28 2.4| Basophilic Focus | X X | 3 | Hyperplasia, Focal | 3 | 1 3.0| Hyperplasia | 3 3 | 3 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 44 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 6| 5| 6| 6| 5| 6| 5| 5| 4| 7| 6| 5| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 3| 6| 7| | DAY ON TEST | 0| 2| 6| 8| 7| 7| 8| 8| 2| 3| 0| 2| 3| 3| 3| 8| 1| 3| 3| 0| 3| 3| 9| 9| 3| | | 1| 4| 5| 6| 4| 0| 1| 8| 7| 3| 4| 3| 4| 4| 4| 6| 4| 3| 3| 8| 4| 3| 7| 2| 3| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 94 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Artery, Inflammation | 3 2 | 3 2.7| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Degeneration, Fatty | | 1 2.0| __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | | 3 3.0| Inflammation, Acute | 2 | 2 2.0| Necrosis | 3 | 4 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 3 2 1| 4 2.5| Necrosis | | 1 3.0| __________________________________________________________________________|____________| Tongue | | 1 | __________________________________________________________________________|____________| Tooth | + +| 2 | Foreign Body | X| 1 | Inflammation, Chronic Active | 3 1| 2 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 2 1 1 1 1 3 1 3 3 1 2 3 2 2 3 1 2 1 2 3 2 2 2| 49 1.8| Artery, Mineralization | | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 3 3.3| Hyperplasia | 2 1 2 2 2 1 2 2 2| 19 1.6| Hypertrophy | 2 2 2 1 1 | 10 1.8| Vacuolization Cytoplasmic | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 2 1 2 1 1 2 1 1 2 1 1 2 1 | 23 1.4| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 2 2.5| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + M + + + + + + + + + + +| 49 | Hyperplasia | 2 2 | 4 2.3| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Pars Distalis, Hyperplasia | 2 1 2 2 | 7 2.1| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 1 1 2 1 1 1 1 2 2 1 3 1 2 1 1 2 2 2 1 1| 37 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Peritoneum | | 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 45 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 6| 5| 6| 6| 5| 6| 5| 5| 4| 7| 6| 5| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 3| 6| 7| | DAY ON TEST | 0| 2| 6| 8| 7| 7| 8| 8| 2| 3| 0| 2| 3| 3| 3| 8| 1| 3| 3| 0| 3| 3| 9| 9| 3| | | 1| 4| 5| 6| 4| 0| 1| 8| 7| 3| 4| 3| 4| 4| 4| 6| 4| 3| 3| 8| 4| 3| 7| 2| 3| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 94 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 3.0| Inflammation, Chronic Active | 2 | 3 2.7| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 3 2 3 2 | 9 2.4| Inflammation, Suppurative | | 2 3.5| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 4 3 4 3 | 7 3.4| Artery, Inflammation | 3 3 | 4 2.8| Interstitial Cell, Hyperplasia | 1 2 1 1 1 2 1 1 | 17 1.3| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | 3 | 1 3.0| Thrombosis | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + | 13 | Renal, Hemorrhage | 3 | 1 3.0| Renal, Inflammation, Granulomatous | | 1 3.0| Renal, Pigmentation | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + M + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + M + + + + M + + +| 48 | Infiltration Cellular, Plasma Cell | 3 4 3 | 3 3.3| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 1.0| Inflammation, Acute | | 1 2.0| Inflammation, Granulomatous | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + M + + + M +| 45 | Hemorrhage | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 3 3 3 2 3 3 2 3 2 2 2 | 20 2.5| Hematopoietic Cell Proliferation | | 1 2.0| Hemorrhage | | 1 4.0| __________________________________________________________________________|____________| Thymus | M + + + + M + + + + + + + + + M + + + + + + + + +| 45 | Artery, Inflammation | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY 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 46 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 6| 5| 6| 6| 5| 6| 5| 5| 4| 7| 6| 5| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 3| 6| 7| | DAY ON TEST | 0| 2| 6| 8| 7| 7| 8| 8| 2| 3| 0| 2| 3| 3| 3| 8| 1| 3| 3| 0| 3| 3| 9| 9| 3| | | 1| 4| 5| 6| 4| 0| 1| 8| 7| 3| 4| 3| 4| 4| 4| 6| 4| 3| 3| 8| 4| 3| 7| 2| 3| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 94 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Mammary Gland | + M + + M + M + + + M + + + M + + M M + + + M M +| 27 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | 3 | 1 3.0| Hyperkeratosis | 3 3 | 3 2.7| Inflammation, Chronic Active | 2 3 | 3 2.7| Inflammation, Granulomatous | 3 | 2 2.5| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Osteodystrophy | 3 | 3 2.3| Hyperostosis | 3 | 2 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Inflammation | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | 3 | 1 3.0| Inflammation, Chronic Active | 3 | 2 2.0| Alveolar Epithelium, Hyperplasia | 1 2 | 8 1.9| Artery, Mediastinum, Inflammation | 2 2 | 2 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | | 1 | Inflammation, Chronic Active | | 1 2.0| Inflammation, Suppurative | 1 2 | 3 1.7| Thrombosis | | 3 1.7| Nasolacrimal Duct, Inflammation, | | | Suppurative | | 1 2.0| Olfactory Epithelium, Foreign Body | X | 1 | Olfactory Epithelium, Inflammation, | | | Suppurative | 2 | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Epithelium, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| 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 47 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 6| 5| 6| 6| 5| 6| 5| 5| 4| 7| 6| 5| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 3| 6| 7| | DAY ON TEST | 0| 2| 6| 8| 7| 7| 8| 8| 2| 3| 0| 2| 3| 3| 3| 8| 1| 3| 3| 0| 3| 3| 9| 9| 3| | | 1| 4| 5| 6| 4| 0| 1| 8| 7| 3| 4| 3| 4| 4| 4| 6| 4| 3| 3| 8| 4| 3| 7| 2| 3| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 94 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | Degeneration | 3 | 1 3.0| __________________________________________________________________________|____________| Zymbal's Gland | + + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | | 1 2.0| Nephropathy | 3 2 3 3 4 3 4 2 1 3 3 1 3 4 3 2 4 3 3 3 4 4 2 2 4| 50 2.9| Artery, Inflammation | 2 | 1 2.0| Renal Tubule, Hyperplasia | 3 4 | 3 2.7| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 3.0| Inflammation, Suppurative | | 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 48 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 6| 7| 6| 6| 5| 5| 5| 4| 7| 7| 6| 6| 7| 3| 6| 6| 4| 6| 6| 5| 7| 7| 7| 7| 6| DAY ON TEST | 2| 3| 5| 2| 6| 6| 9| 9| 3| 2| 8| 4| 3| 9| 3| 9| 7| 7| 2| 5| 3| 3| 3| 0| 5| | 1| 3| 0| 9| 0| 1| 0| 9| 4| 0| 1| 3| 4| 5| 8| 2| 1| 8| 4| 2| 3| 4| 4| 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| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 188 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X| Clear Cell Focus | X X X X X X X | Cyst | 2 | Degeneration, Cystic | 2 2 3 2 2 2 | Degeneration, Fatty | 2 | Eosinophilic Focus | X X | Hepatodiaphragmatic Nodule | X | Inflammation, Suppurative | 3 | Mixed Cell Focus | X X X | Necrosis | 3 | Regeneration | | Thrombosis | 4 | Bile Duct, Hyperplasia | 3 2 3 2 2 3 3 2 2 3 2 2 1 2 1 2 3 3 1 2 2 1| Centrilobular, Necrosis | 3 | __________________________________________________________________________| Mesentery | + + + + + + | Artery, Mineralization | 4 | Fat, Necrosis | 2 2 2 2 3 | __________________________________________________________________________| Oral Mucosa | + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 2 1 1 2 2 2 3 2 1 4 3 3 1 2 1 2 2 | Basophilic Focus | X X | Hyperplasia | 2 | Hypertrophy | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | Hyperplasia, Squamous | | Mineralization | 3 | Necrosis | 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | Mineralization | 3 | Necrosis | | __________________________________________________________________________| Tooth | + + + | Developmental Malformation | 2 | Inflammation, Chronic Active | 3 3 | _____________________________________________________________________________________________________________________| Page 49 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 6| 7| 6| 6| 5| 5| 5| 4| 7| 7| 6| 6| 7| 3| 6| 6| 4| 6| 6| 5| 7| 7| 7| 7| 6| DAY ON TEST | 2| 3| 5| 2| 6| 6| 9| 9| 3| 2| 8| 4| 3| 9| 3| 9| 7| 7| 2| 5| 3| 3| 3| 0| 5| | 1| 3| 0| 9| 0| 1| 0| 9| 4| 0| 1| 3| 4| 5| 8| 2| 1| 8| 4| 2| 3| 4| 4| 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| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 188 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + | Aorta, Mineralization | 4 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 3 2 4 1 3 2 2 1 2 3 3 1 2 2 1 2 2 3 2 3 3 2| Artery, Mineralization | 4 | Atrium, Thrombosis | 3 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Hyperplasia | 2 2 2 2 3 1 | Hypertrophy | 2 3 2 2 3 2 | Necrosis | 2 | Thrombosis | | Vacuolization Cytoplasmic | 2 3 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 3 2 1 1 1 2 3 2 1 3 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + M + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 2 3 3 1 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 1 1 1 1 2 1 1 1 2 1 1 1 1 1 1| Follicular Cell, Hyperplasia | 3 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 | Inflammation, Suppurative | 1 2 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 2 2 3 | Interstitial Cell, Hyperplasia | 1 2 1 2 1 1 1 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 50 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 6| 7| 6| 6| 5| 5| 5| 4| 7| 7| 6| 6| 7| 3| 6| 6| 4| 6| 6| 5| 7| 7| 7| 7| 6| DAY ON TEST | 2| 3| 5| 2| 6| 6| 9| 9| 3| 2| 8| 4| 3| 9| 3| 9| 7| 7| 2| 5| 3| 3| 3| 0| 5| | 1| 3| 0| 9| 0| 1| 0| 9| 4| 0| 1| 3| 4| 5| 8| 2| 1| 8| 4| 2| 3| 4| 4| 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| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 188 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 2 | __________________________________________________________________________| Lymph Node | + + + + + +| Renal, Hemorrhage | | Renal, Pigmentation | 2| __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + M + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + M + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Infiltration Cellular, Plasma Cell | 3 3 3 4 3| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + M + + + + + M +| Hemorrhage | | Inflammation, Granulomatous | | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 3 3 3 3 2 2 2 3 3 2 2 2 2 3 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + M + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + M + + + M + + + + M + M M + M + + M + + + M +| Galactocele | 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Inflammation, Granulomatous | | Prepuce, Inflammation, Acute | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 4 | __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration | | Hemorrhage | 2 | Inflammation, Chronic | | Mineralization | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2| Metaplasia, Osseous | 1 | Mineralization | 4 | _____________________________________________________________________________________________________________________| Page 51 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 6| 7| 6| 6| 5| 5| 5| 4| 7| 7| 6| 6| 7| 3| 6| 6| 4| 6| 6| 5| 7| 7| 7| 7| 6| DAY ON TEST | 2| 3| 5| 2| 6| 6| 9| 9| 3| 2| 8| 4| 3| 9| 3| 9| 7| 7| 2| 5| 3| 3| 3| 0| 5| | 1| 3| 0| 9| 0| 1| 0| 9| 4| 0| 1| 3| 4| 5| 8| 2| 1| 8| 4| 2| 3| 4| 4| 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| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 188 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Alveolar Epithelium, Hyperplasia | 1 2 2 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | X | Inflammation, Chronic Active | 2 2 2 | Inflammation, Suppurative | | Thrombosis | 2 2 | Nasolacrimal Duct, Inflammation, | | Suppurative | 1 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 3 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Degeneration | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | | Mineralization | 4 | Nephropathy | 3 2 4 3 3 2 3 3 3 4 4 4 4 2 3 4 2 3 2 3 4 4 3 4 4| Pelvis, Dilatation | 2 | Renal Tubule, Hyperplasia | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Transitional Epithelium, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 52 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 5| 7| 7| 6| 6| 6| 6| 7| 6| 7| 6| 6| 5| 6| 4| 7| 5| 7| 7| 6| 5| 6| | DAY ON TEST | 3| 8| 3| 8| 3| 3| 5| 3| 2| 3| 3| 1| 3| 0| 3| 6| 7| 9| 3| 0| 2| 3| 7| 1| 6| | | 3| 4| 3| 0| 4| 5| 0| 9| 1| 1| 5| 1| 5| 8| 8| 8| 7| 2| 3| 9| 8| 5| 8| 8| 5| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 188 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X X X X X X | 20 | Clear Cell Focus | X X X | 10 | Cyst | | 1 2.0| Degeneration, Cystic | 2 3 2 1 2 2 2 3 2 2 | 16 2.1| Degeneration, Fatty | 3 | 2 2.5| Eosinophilic Focus | X X | 4 | Hepatodiaphragmatic Nodule | X| 2 | Inflammation, Suppurative | | 1 3.0| Mixed Cell Focus | X X X X X X | 9 | Necrosis | | 1 3.0| Regeneration | 2 | 1 2.0| Thrombosis | | 1 4.0| Bile Duct, Hyperplasia | 1 1 2 2 3 2 4 3 2 1 2 1 1 2 3 2 2 1 1 2 1 1 2 2 3| 47 2.0| Centrilobular, Necrosis | | 1 3.0| __________________________________________________________________________|____________| Mesentery | + + + + | 10 | Artery, Mineralization | | 1 4.0| Fat, Necrosis | 3 2 2 3 | 9 2.3| __________________________________________________________________________|____________| Oral Mucosa | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 2 2 3 3 3 1 2 1 3 2 3 2 1 2 4 3| 34 2.2| Basophilic Focus | X X X X X| 7 | Hyperplasia | 2 3 2 2 | 5 2.2| Hypertrophy | | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Diverticulum | X | 1 | Hyperplasia, Squamous | 3 | 1 3.0| Mineralization | | 1 3.0| Necrosis | 4 2 | 3 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 53 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 5| 7| 7| 6| 6| 6| 6| 7| 6| 7| 6| 6| 5| 6| 4| 7| 5| 7| 7| 6| 5| 6| | DAY ON TEST | 3| 8| 3| 8| 3| 3| 5| 3| 2| 3| 3| 1| 3| 0| 3| 6| 7| 9| 3| 0| 2| 3| 7| 1| 6| | | 3| 4| 3| 0| 4| 5| 0| 9| 1| 1| 5| 1| 5| 8| 8| 8| 7| 2| 3| 9| 8| 5| 8| 8| 5| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 188 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Mineralization | 2 | 2 2.5| Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Tooth | | 3 | Developmental Malformation | | 1 2.0| Inflammation, Chronic Active | | 2 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | | 1 | Aorta, Mineralization | | 1 4.0| __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 2 2 2 2 2 1 1 2 2 3 2 3 2 2 3 2 2 1 3 3 3 1 2| 47 2.1| Artery, Mineralization | | 1 4.0| Atrium, Thrombosis | 2 | 3 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 4 | 1 4.0| Hyperplasia | 2 1 1 1 1 2 1 2 1 1 2 2 1 2 1 2| 22 1.6| Hypertrophy | 2 1 2 2 1 | 11 2.0| Necrosis | 1 | 2 1.5| Thrombosis | 3 | 1 3.0| Vacuolization Cytoplasmic | 2 | 4 2.3| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 4 1 2 2 1 2 1 2 3 2 2 2 1 2| 27 1.9| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 3 2 2 4 | 5 2.6| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Hyperplasia | 2 1 2 2 | 9 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 4 1 1 1 1 3 1 2 1 1 1 1 1 2 2 3 1 2| 34 1.4| Follicular Cell, Hyperplasia | | 2 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 54 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 5| 7| 7| 6| 6| 6| 6| 7| 6| 7| 6| 6| 5| 6| 4| 7| 5| 7| 7| 6| 5| 6| | DAY ON TEST | 3| 8| 3| 8| 3| 3| 5| 3| 2| 3| 3| 1| 3| 0| 3| 6| 7| 9| 3| 0| 2| 3| 7| 1| 6| | | 3| 4| 3| 0| 4| 5| 0| 9| 1| 1| 5| 1| 5| 8| 8| 8| 7| 2| 3| 9| 8| 5| 8| 8| 5| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 188 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Inflammation, Chronic Active | 3 | 3 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 3 | 2 3.0| Inflammation, Suppurative | 3 | 3 2.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 3 | 5 2.6| Interstitial Cell, Hyperplasia | 1 1 1 1 1| 12 1.2| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Myelofibrosis | | 1 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + +| 17 | Renal, Hemorrhage | 2 2 | 2 2.0| Renal, Pigmentation | 2 | 2 2.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + M + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Lymph Node, Mandibular | M + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hemorrhage | | 1 2.0| Infiltration Cellular, Plasma Cell | | 5 3.2| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hemorrhage | 2 | 1 2.0| Inflammation, Granulomatous | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 3 3 4 3 2 2 4 3 2 3 2| 26 2.6| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + M + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M + M + + + + + M + + M M M + + + + M M + M + M M| 31 | Galactocele | 2 | 2 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 2 | 1 2.0| Inflammation, Granulomatous | 2 2 | 2 2.0| Prepuce, Inflammation, Acute | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Osteodystrophy | 2 3 4 | 4 3.3| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 55 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 5| 7| 7| 6| 6| 6| 6| 7| 6| 7| 6| 6| 5| 6| 4| 7| 5| 7| 7| 6| 5| 6| | DAY ON TEST | 3| 8| 3| 8| 3| 3| 5| 3| 2| 3| 3| 1| 3| 0| 3| 6| 7| 9| 3| 0| 2| 3| 7| 1| 6| | | 3| 4| 3| 0| 4| 5| 0| 9| 1| 1| 5| 1| 5| 8| 8| 8| 7| 2| 3| 9| 8| 5| 8| 8| 5| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 188 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Degeneration | 3 | 1 3.0| Hemorrhage | | 1 2.0| Inflammation, Chronic | 2| 1 2.0| Mineralization | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 1 2.0| Metaplasia, Osseous | | 1 1.0| Mineralization | | 1 4.0| Alveolar Epithelium, Hyperplasia | 2 2 2 2 2 1 | 10 1.7| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | X X| 3 | Inflammation, Chronic Active | | 3 2.0| Inflammation, Suppurative | 2 1 1| 3 1.3| Thrombosis | 2 2 2 | 5 2.0| Nasolacrimal Duct, Inflammation, | | | Suppurative | 3 | 3 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | | 1 3.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | Degeneration | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | 3 | 1 3.0| Mineralization | 2 | 2 3.0| Nephropathy | 4 4 3 2 3 4 4 2 2 4 3 4 3 2 4 2 4 2 3 2 4 3 4 2 3| 50 3.1| Pelvis, Dilatation | | 1 2.0| Renal Tubule, Hyperplasia | 3 | 2 2.5| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Transitional Epithelium, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 56 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 7| 5| 5| 6| 6| 7| 6| 6| 6| 6| 6| 6| 6| 7| 5| 4| 7| 7| 6| 7| 7| 6| 5| 4| 6| DAY ON TEST | 0| 4| 9| 6| 9| 3| 3| 8| 0| 7| 8| 8| 9| 3| 8| 0| 3| 3| 6| 3| 3| 4| 7| 4| 5| | 0| 4| 0| 4| 8| 5| 8| 1| 7| 5| 1| 8| 2| 3| 8| 5| 3| 4| 0| 3| 4| 3| 3| 4| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 375 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + M + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | Inflammation, Acute | 2 | __________________________________________________________________________| Intestine Small, Duodenum | + + + M + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 | Basophilic Focus | X X X X X X X X X X X X X X X | Clear Cell Focus | X X X X X | Degeneration, Cystic | 3 1 2 2 4 1 2 3 3 1 2 1 1 | Degeneration, Fatty | 1 2 1 | Eosinophilic Focus | X X | Hepatodiaphragmatic Nodule | X | Mixed Cell Focus | X X X X | Necrosis | | Regeneration | 3 | Bile Duct, Hyperplasia | 1 2 2 1 2 2 1 2 2 3 1 1 2 2 2 1 2 1 1 1 2 2 2| Centrilobular, Necrosis | 1 | __________________________________________________________________________| Mesentery | + + + + | Fat, Hemorrhage | | Fat, Necrosis | 2 3 3 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 2 2 3 2 3 1 3 2 2 2 2 3 2 1 1 | Basophilic Focus | X X X | Hyperplasia | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 3 | Inflammation, Acute | 2 3 3 2 | Necrosis | 2 4 3 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 3 | Inflammation, Chronic | | Necrosis | 1 | __________________________________________________________________________| Tongue | + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 3 3 3 1 2 3 3 1 2 3 3 3 2 1 1 3 2 3 2 3 1 1 2| Atrium, Thrombosis | 2 | _____________________________________________________________________________________________________________________| Page 57 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 7| 5| 5| 6| 6| 7| 6| 6| 6| 6| 6| 6| 6| 7| 5| 4| 7| 7| 6| 7| 7| 6| 5| 4| 6| DAY ON TEST | 0| 4| 9| 6| 9| 3| 3| 8| 0| 7| 8| 8| 9| 3| 8| 0| 3| 3| 6| 3| 3| 4| 7| 4| 5| | 0| 4| 0| 4| 8| 5| 8| 1| 7| 5| 1| 8| 2| 3| 8| 5| 3| 4| 0| 3| 4| 3| 3| 4| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 375 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | 1 | Atrophy | 3 4 | Hyperplasia | 2 1 1 2 1 1 2 1 2 2 1 1| Hypertrophy | 2 2 2 | Necrosis | | Vacuolization Cytoplasmic | 4 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 2 3 2 2 1 2 2 2 1 2 1 | Necrosis | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + M + + + + + + + + +| Hyperplasia | 2 2 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + I + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 3 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 2 2 1 1 1 1 2 1 1 1 2 1 1 1 2 3 1 1 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Peritoneum | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | 4 2 | __________________________________________________________________________| Penis | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Inflammation, Chronic Active | 2 3 2 2 2 2 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 2 1 2 1 3 | Inflammation, Suppurative | 4 2 3 2 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 3 | Artery, Inflammation | 2 | Interstitial Cell, Hyperplasia | 1 1 1 1 2 1 1 1 1 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | | _____________________________________________________________________________________________________________________| Page 58 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 7| 5| 5| 6| 6| 7| 6| 6| 6| 6| 6| 6| 6| 7| 5| 4| 7| 7| 6| 7| 7| 6| 5| 4| 6| DAY ON TEST | 0| 4| 9| 6| 9| 3| 3| 8| 0| 7| 8| 8| 9| 3| 8| 0| 3| 3| 6| 3| 3| 4| 7| 4| 5| | 0| 4| 0| 4| 8| 5| 8| 1| 7| 5| 1| 8| 2| 3| 8| 5| 3| 4| 0| 3| 4| 3| 3| 4| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 375 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node | + + + + + | Renal, Hemorrhage | 2 | Renal, Infiltration Cellular, Plasma | | Cell | | Renal, Pigmentation | 2 | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + M + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + M + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + M +| Hemorrhage | 2 | Inflammation, Granulomatous | 1 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 3 3 4 3 3 3 3 2| Hematopoietic Cell Proliferation | 2 | Necrosis | | __________________________________________________________________________| Thymus | + M + + + + + + + + + + + + + + M + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + M + M + + + + M M + M M M M M + + M M + + + M +| Galactocele | | Hyperplasia, Atypical | 2| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | Inflammation, Chronic Active | | Inflammation, Granulomatous | 3| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 1 | Hyperostosis | 2 | __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Hydrocephalus | 2 2| __________________________________________________________________________| Peripheral Nerve | + | Radicular Neuropathy | 3 | __________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Squamous | 3 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 59 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 _____________________________________________________________________________________________________________________ | 7| 5| 5| 6| 6| 7| 6| 6| 6| 6| 6| 6| 6| 7| 5| 4| 7| 7| 6| 7| 7| 6| 5| 4| 6| DAY ON TEST | 0| 4| 9| 6| 9| 3| 3| 8| 0| 7| 8| 8| 9| 3| 8| 0| 3| 3| 6| 3| 3| 4| 7| 4| 5| | 0| 4| 0| 4| 8| 5| 8| 1| 7| 5| 1| 8| 2| 3| 8| 5| 3| 4| 0| 3| 4| 3| 3| 4| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 375 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Congestion | | Metaplasia, Osseous | 1 | Alveolar Epithelium, Hyperplasia | 1 1 1 2 2 2| __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | | Inflammation, Chronic Active | 1 | Inflammation, Suppurative | 2 | Thrombosis | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Cataract | | Retina, Atrophy | | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy | 4 3 4 2 4 3 4 4 3 3 4 4 4 3 3 2 4 4 3 4 2 3 3 2 3| Renal Tubule, Hyperplasia | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 60 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 5| 7| 6| 6| 5| 6| 6| 6| 7| 6| 7| 7| 4| 6| 7| 4| 7| 6| 7| 5| 6| 6| 6| 5| 4| | DAY ON TEST | 1| 0| 8| 3| 9| 5| 3| 9| 0| 1| 3| 3| 2| 1| 1| 8| 3| 0| 0| 5| 3| 9| 5| 7| 9| | | 6| 9| 3| 0| 5| 6| 4| 8| 0| 2| 5| 2| 8| 7| 9| 0| 4| 8| 5| 1| 6| 2| 0| 1| 5| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 375 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Diverticulum | X | 1 | Inflammation, Acute | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 3 | 3 2.0| Basophilic Focus | X X X X X X X X | 23 | Clear Cell Focus | X | 6 | Degeneration, Cystic | 3 2 4 2 2 2 2 1 2 | 22 2.1| Degeneration, Fatty | 3 1 3 2 1 | 8 1.8| Eosinophilic Focus | X | 3 | Hepatodiaphragmatic Nodule | X | 2 | Mixed Cell Focus | X X X | 7 | Necrosis | 2 2 | 2 2.0| Regeneration | 4 | 2 3.5| Bile Duct, Hyperplasia | 1 3 2 3 2 3 1 1 2 2 3 1 2 1 3 1 1 2 1 1 | 43 1.7| Centrilobular, Necrosis | 1 | 2 1.0| __________________________________________________________________________|____________| Mesentery | + + + +| 8 | Fat, Hemorrhage | 2 | 1 2.0| Fat, Necrosis | 2 3 | 6 2.5| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 2 4 1 2 2 2 1 2 3 3 1 1 2 2 1 2 | 32 2.0| Basophilic Focus | | 3 | Hyperplasia | 2 2 2 | 4 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | | 1 3.0| Inflammation, Acute | 3 4 2 2 | 8 2.6| Necrosis | 2 2 4 4 2| 9 2.8| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | 2 | 2 2.5| Inflammation, Chronic | 2 | 1 2.0| Necrosis | 2 3 | 3 2.0| __________________________________________________________________________|____________| Tongue | | 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 61 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 5| 7| 6| 6| 5| 6| 6| 6| 7| 6| 7| 7| 4| 6| 7| 4| 7| 6| 7| 5| 6| 6| 6| 5| 4| | DAY ON TEST | 1| 0| 8| 3| 9| 5| 3| 9| 0| 1| 3| 3| 2| 1| 1| 8| 3| 0| 0| 5| 3| 9| 5| 7| 9| | | 6| 9| 3| 0| 5| 6| 4| 8| 0| 2| 5| 2| 8| 7| 9| 0| 4| 8| 5| 1| 6| 2| 0| 1| 5| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 375 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 3 2 2 2 2 1 3 1 1 2 1 2 3 1 2 3 2 2 2 3 2 3 2 2| 47 2.1| Atrium, Thrombosis | 2 | 2 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Adrenal Cortical Nodule | | 1 1.0| Atrophy | | 2 3.5| Hyperplasia | 2 2 2 2 1 1 1 3 2 2 | 22 1.6| Hypertrophy | 2 1 2 2 1 | 8 1.8| Necrosis | 2 | 1 2.0| Vacuolization Cytoplasmic | 2 | 3 2.7| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 2 2 2 2 2 1 2 3 | 22 1.8| Necrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + M + + + + + +| 48 | Hyperplasia | 2 2 3 2 2 | 7 2.1| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Pars Distalis, Hyperplasia | 3 2 2 2 1| 8 2.1| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 2 3 1 1 2 2 2 1 1 1 2 1 1 1 1 1 1 4 1 3 1| 41 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Peritoneum | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Granuloma Sperm | | 2 3.0| __________________________________________________________________________|____________| Penis | + | 1 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 | 1 4.0| Inflammation, Chronic Active | 3 3 3 | 9 2.4| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 3 3 | 8 2.1| Inflammation, Suppurative | 3 3 | 6 2.8| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 62 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 5| 7| 6| 6| 5| 6| 6| 6| 7| 6| 7| 7| 4| 6| 7| 4| 7| 6| 7| 5| 6| 6| 6| 5| 4| | DAY ON TEST | 1| 0| 8| 3| 9| 5| 3| 9| 0| 1| 3| 3| 2| 1| 1| 8| 3| 0| 0| 5| 3| 9| 5| 7| 9| | | 6| 9| 3| 0| 5| 6| 4| 8| 0| 2| 5| 2| 8| 7| 9| 0| 4| 8| 5| 1| 6| 2| 0| 1| 5| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 375 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 3 | 1 3.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 3 4 2 3 | 6 3.0| Artery, Inflammation | 2 2 | 3 2.0| Interstitial Cell, Hyperplasia | 1 1 1 1 1 2 1 | 16 1.1| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Myelofibrosis | 2| 1 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + | 13 | Renal, Hemorrhage | 1 | 2 1.5| Renal, Infiltration Cellular, Plasma | | | Cell | 2 | 1 2.0| Renal, Pigmentation | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + M + + M + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + M + + + + + + + + + + M + + + +| 47 | Hemorrhage | | 1 2.0| Inflammation, Granulomatous | | 1 1.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 3 3 2 3 3 1 4 3 2 2 3 | 19 2.8| Hematopoietic Cell Proliferation | | 1 2.0| Necrosis | 3 | 1 3.0| __________________________________________________________________________|____________| Thymus | + + + + M + + + + + M + + + + + + + + + + + + + +| 46 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + M + + M + + M M M + M + + M + + + M M + + + M| 28 | Galactocele | 2 4 2 | 3 2.7| Hyperplasia, Atypical | | 1 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperkeratosis | 4 | 1 4.0| Inflammation, Chronic Active | 4 | 1 4.0| Inflammation, Granulomatous | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Osteodystrophy | 2 | 2 1.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 63 NTP Experiment-Test: 05200-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC NITROMETHANE Date: 06/15/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:33:35 __________________________________________________________________________________________________________________________________ | 5| 7| 6| 6| 5| 6| 6| 6| 7| 6| 7| 7| 4| 6| 7| 4| 7| 6| 7| 5| 6| 6| 6| 5| 4| | DAY ON TEST | 1| 0| 8| 3| 9| 5| 3| 9| 0| 1| 3| 3| 2| 1| 1| 8| 3| 0| 0| 5| 3| 9| 5| 7| 9| | | 6| 9| 3| 0| 5| 6| 4| 8| 0| 2| 5| 2| 8| 7| 9| 0| 4| 8| 5| 1| 6| 2| 0| 1| 5| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 375 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | Hyperostosis | | 1 2.0| __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 3 | 1 3.0| Hydrocephalus | | 2 2.0| __________________________________________________________________________|____________| Peripheral Nerve | | 1 | Radicular Neuropathy | | 1 3.0| __________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Metaplasia, Squamous | | 1 3.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | 3 | 1 3.0| Metaplasia, Osseous | | 1 1.0| Alveolar Epithelium, Hyperplasia | 1 3 1 | 9 1.6| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | X | 1 | Inflammation, Chronic Active | 2 | 2 1.5| Inflammation, Suppurative | 1 1 2 2 | 5 1.6| Thrombosis | 2 2 | 2 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | Cataract | 1 | 1 1.0| Retina, Atrophy | 3 | 1 3.0| __________________________________________________________________________|____________| Zymbal's Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy | 4 4 3 4 2 3 3 3 3 4 2 4 1 4 4 2 4 4 3 3 4 3 4 3 2| 50 3.2| Renal Tubule, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 64 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------