TDMS Study 90004-06 Pathology Tables
NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 FINAL/MICE Facility: Battelle Northwest Chemical CAS #: 57018-52-7 Lock Date: 12/11/00 Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 8| 3| 3| 3| 8| 3| 3| 0| 3| 3| 3| 9| 3| 3| 3| 3| 2| 8| 3| 3| 3| 3| 3| 0| | 2| 3| 1| 2| 3| 8| 2| 3| 1| 3| 1| 1| 1| 3| 3| 2| 2| 4| 0| 3| 2| 2| 3| 3| 5| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + I + + + + + + A + + + + + + + + M + + + + + + +| Cyst | 4 | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + I + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Infiltration Cellular, Mixed Cell | | Epithelium, Hyperplasia | | |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Clear Cell Focus | X | Eosinophilic Focus | X X X X X | Fatty Change | 2 | Inflammation, Granulomatous | 1 1 1 1 1 1 1 1 | Tension Lipidosis | 2 2 | Bile Duct, Cyst | 2 | |__________________________________________________________________________| Mesentery | + + + + + + + +| Infiltration Cellular, Mast Cell | | Fat, Congestion | | Fat, Necrosis | 2 2 2 2 2 2 2 2| |__________________________________________________________________________| Oral Mucosa | | Inflammation | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 2 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 8| 3| 3| 3| 8| 3| 3| 0| 3| 3| 3| 9| 3| 3| 3| 3| 2| 8| 3| 3| 3| 3| 3| 0| | 2| 3| 1| 2| 3| 8| 2| 3| 1| 3| 1| 1| 1| 3| 3| 2| 2| 4| 0| 3| 2| 2| 3| 3| 5| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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 - cont | | Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 | Basophilic Focus | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 1 1 | Infiltration Cellular, Mixed Cell | 2 | Inflammation | 2 | Ulcer | 3 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 | |__________________________________________________________________________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 | Malformation | 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 2 | Mineralization | 1| Artery, Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 1 2 | Hypertrophy | 2 2 | Necrosis | | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + I + I + + + + +| Hyperplasia | 2 3 | Necrosis | | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 3 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 8| 3| 3| 3| 8| 3| 3| 0| 3| 3| 3| 9| 3| 3| 3| 3| 2| 8| 3| 3| 3| 3| 3| 0| | 2| 3| 1| 2| 3| 8| 2| 3| 1| 3| 1| 1| 1| 3| 3| 2| 2| 4| 0| 3| 2| 2| 3| 3| 5| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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 | |__________________________________________________________________________| Parathyroid Gland | + + + + M + + + M + + + + + M M + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + I + + + + + + +| Pars Distalis, Angiectasis | 3 | Pars Distalis, Hyperplasia | 2 2 1 1 2 3 3 2| |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 2 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + M + + + + + + + I + M + + + M + M + + + + + +| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Cyst | 2 2 3 1 2 2 2 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Endometrium, Fibrosis | | Endometrium, Hyperplasia, Cystic | 3 4 3 3 3 2 3 3 3 4 4 3 3 2 3 4 3 3 3 3 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + | Lumbar, Angiectasis | | Renal, Angiectasis | 3 | Renal, Ectasia | 3 | |__________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + M M + + + + + + + + + + + + + +| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 4 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 8| 3| 3| 3| 8| 3| 3| 0| 3| 3| 3| 9| 3| 3| 3| 3| 2| 8| 3| 3| 3| 3| 3| 0| | 2| 3| 1| 2| 3| 8| 2| 3| 1| 3| 1| 1| 1| 3| 3| 2| 2| 4| 0| 3| 2| 2| 3| 3| 5| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + M + M + + + + +| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + M + I + + + + + + + + + + + + + + +| Angiectasis | | |__________________________________________________________________________| Lymph Node, Mediastinal | + M + + + M + + + + + + M + + + + + + M + + + M +| Hemorrhage | 2 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 4 3 3 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + M + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | | Infiltration Cellular, Mixed Cell | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | | Hemorrhage | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Meninges, Infiltration Cellular, | | Mononuclear Cell | 2 | |__________________________________________________________________________| Spinal Cord | + | Hemorrhage | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | __________________________________________|__________________________________________________________________________| Page 5 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 8| 3| 3| 3| 8| 3| 3| 0| 3| 3| 3| 9| 3| 3| 3| 3| 2| 8| 3| 3| 3| 3| 3| 0| | 2| 3| 1| 2| 3| 8| 2| 3| 1| 3| 1| 1| 1| 3| 3| 2| 2| 4| 0| 3| 2| 2| 3| 3| 5| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Squamous | 2 | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Thrombosis | 1 | Alveolar Epithelium, Hyperplasia | 2 | Alveolus, Infiltration Cellular, | | Histiocyte | 1 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 3 1 | Respiratory Epithelium, Metaplasia, | | Squamous | 2 | Respiratory Epithelium, Necrosis | 1 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Anterior Chamber, Inflammation, Acute| | Cornea, Hyperplasia, Squamous | 2 | Cornea, Inflammation, Chronic Active | 2 | Cornea, Mineralization | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 1 | |__________________________________________________________________________| Lacrimal Gland | | |__________________________________________________________________________| Zymbal's Gland | M + + + + + M M M + + M + + + + + + M + + M + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | 2 | Metaplasia, Osseous | 2 | __________________________________________|__________________________________________________________________________| Page 6 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 8| 3| 3| 3| 8| 3| 3| 0| 3| 3| 3| 9| 3| 3| 3| 3| 2| 8| 3| 3| 3| 3| 3| 0| | 2| 3| 1| 2| 3| 8| 2| 3| 1| 3| 1| 1| 1| 3| 3| 2| 2| 4| 0| 3| 2| 2| 3| 3| 5| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Nephropathy | 1 1 1 1 1 1 2 1 3 1 1 2 1 1 1 1 1 1| Renal Tubule, Degeneration, Hyaline | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Transitional Epithelium, Hyperplasia | | __________________________________________|__________________________________________________________________________ Page 7 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | | 2| 5| 2| 1| 1| 3| 2| 1| 2| 3| 2| 8| 0| 1| 3| 2| 3| 2| 3| 1| 2| 2| 1| 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 | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | |__________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + + A M + + + + M + I M + M M| 40 | Cyst | | 1 4.0| |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + A + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + I A + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + A + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + A + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + A + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + A + + + + + + + + + + + +| 49 | Hyperplasia | 4 | 1 4.0| Infiltration Cellular, Mixed Cell | 2 2 | 2 2.0| Epithelium, Hyperplasia | 3 | 1 3.0| |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + A + + + + + + + + + + + +| 49 | Basophilic Focus | X | 3 | Clear Cell Focus | X X X| 4 | Eosinophilic Focus | X X X X X X | 11 | Fatty Change | 3 | 2 2.5| Inflammation, Granulomatous | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| 23 1.0| Tension Lipidosis | 2 2 | 4 2.0| Bile Duct, Cyst | | 1 2.0| |__________________________________________________________________________|____________| Mesentery | + + + + + + + + + | 17 | Infiltration Cellular, Mast Cell | 2 | 1 2.0| Fat, Congestion | 1 | 1 1.0| Fat, Necrosis | 2 2 2 2 2 2 | 14 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: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | | 2| 5| 2| 1| 1| 3| 2| 1| 2| 3| 2| 8| 0| 1| 3| 2| 3| 2| 3| 1| 2| 2| 1| 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 | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 - cont | | | |__________________________________________________________________________|____________| Oral Mucosa | + | 1 | Inflammation | 2 | 1 2.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + A + + + + + + + + + + + +| 49 | Atrophy | | 1 2.0| Basophilic Focus | 1 | 1 1.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + A + + + + + + + + + + + +| 49 | Hyperplasia, Squamous | 1 | 3 1.0| Infiltration Cellular, Mixed Cell | | 1 2.0| Inflammation | 1 | 2 1.5| Ulcer | 2 | 2 2.5| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + A + + + + + + + + + + + +| 49 | Mineralization | 1 | 2 1.5| |__________________________________________________________________________|____________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 1 1.0| Malformation | | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 | 5 1.2| Mineralization | | 1 1.0| Artery, Inflammation, Chronic Active | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + A + + + + + + + + + + + +| 49 | Hyperplasia | 2 2 2 2| 8 1.9| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 9 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | | 2| 5| 2| 1| 1| 3| 2| 1| 2| 3| 2| 8| 0| 1| 3| 2| 3| 2| 3| 1| 2| 2| 1| 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 | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Hypertrophy | 2 1 2 1 2 | 7 1.7| Necrosis | 4 | 1 4.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + A + + + + + + + + + + + +| 47 | Hyperplasia | | 2 2.5| Necrosis | 4 | 1 4.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + A + + + + + + + + + + + +| 49 | Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + M + + + + + + + M + + + + I + + + + + +| 43 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + I + + + + + + + + + + + + + +| 48 | Pars Distalis, Angiectasis | | 1 3.0| Pars Distalis, Hyperplasia | 2 3 4 2 4 3 3 2 | 16 2.4| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + I + + + + + + + + + + + + + + +| 49 | Follicular Cell, Hyperplasia | | 2 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + I + + + + + + I M + + + + + + + +| 42 | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 3 | 1 3.0| Cyst | 2 1 3 2 2 | 12 2.0| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 1 2 | 3 1.7| Endometrium, Fibrosis | 3 | 1 3.0| Endometrium, Hyperplasia, Cystic | 2 4 3 3 2 3 3 3 2 1 1 2 1 3 2 2 2 1 3 3 3 4 3 2 3| 46 2.7| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 10 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | | 2| 5| 2| 1| 1| 3| 2| 1| 2| 3| 2| 8| 0| 1| 3| 2| 3| 2| 3| 1| 2| 2| 1| 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 | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + A + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Lymph Node | + + | 4 | Lumbar, Angiectasis | 3 | 1 3.0| Renal, Angiectasis | | 1 3.0| Renal, Ectasia | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Bronchial | M + + + + + + + + M + + + + + + + + + M + + + + +| 45 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + I M + + + M M + + + + +| 44 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Angiectasis | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | M + + + + M + + + + + + + + + + M + M + + + + M +| 40 | Hemorrhage | | 1 2.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + A + + + + + + + + + + + +| 49 | Hematopoietic Cell Proliferation | 2| 4 3.0| |__________________________________________________________________________|____________| Thymus | + + + + + + I + + + + + + + + + + + M + M M + + +| 45 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | 2 | 1 2.0| Infiltration Cellular, Mixed Cell | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 11 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | | 2| 5| 2| 1| 1| 3| 2| 1| 2| 3| 2| 8| 0| 1| 3| 2| 3| 2| 3| 1| 2| 2| 1| 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 | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM - cont | | | |__________________________________________________________________________|____________| Skeletal Muscle | + | 1 | Hemorrhage | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Meninges, Infiltration Cellular, | | | Mononuclear Cell | | 1 2.0| |__________________________________________________________________________|____________| Spinal Cord | + | 2 | Hemorrhage | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Metaplasia, Squamous | | 1 2.0| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Thrombosis | | 1 1.0| Alveolar Epithelium, Hyperplasia | 3 1 | 3 2.0| Alveolus, Infiltration Cellular, | | | Histiocyte | 1 | 2 1.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 1 | 3 1.7| Respiratory Epithelium, Metaplasia, | | | Squamous | 2 | 2 2.0| Respiratory Epithelium, Necrosis | 2 | 2 1.5| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES 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 12 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | | 2| 5| 2| 1| 1| 3| 2| 1| 2| 3| 2| 8| 0| 1| 3| 2| 3| 2| 3| 1| 2| 2| 1| 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 | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| | _____________________________________________________________________________________________________________________|____________| SPECIAL SENSES SYSTEM - cont | | | Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Anterior Chamber, Inflammation, Acute| 1 | 1 1.0| Cornea, Hyperplasia, Squamous | | 1 2.0| Cornea, Inflammation, Chronic Active | | 1 2.0| Cornea, Mineralization | 2| 1 2.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 3 2.3| |__________________________________________________________________________|____________| Lacrimal Gland | + | 1 | |__________________________________________________________________________|____________| Zymbal's Gland | + + M M + + M M + + I M + M + M + + + + + + + + +| 35 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + A + + + + + + + + + + + +| 49 | Infarct | | 1 2.0| Metaplasia, Osseous | 2 | 2 2.0| Nephropathy | 2 1 1 2 1 1 1 1 1 1 1 2 1 1 1 1 | 34 1.2| Renal Tubule, Degeneration, Hyaline | 2 | 1 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 13 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 0| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 3| 2| 9| 3| 3| 3| 8| 3| 4| 3| 3| | 2| 2| 3| 2| 2| 3| 3| 3| 9| 1| 2| 3| 2| 3| 2| 5| 4| 3| 2| 2| 0| 3| 3| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 75 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + + + + + I + + + + M + + M + + + I + M + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + A + + + + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + A + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + A + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | 2 | |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Clear Cell Focus | | Eosinophilic Focus | X X X X X X X X | Fatty Change, Focal | | Fatty Change | 2 | Inflammation, Granulomatous | 1 1 1 1 1 | Tension Lipidosis | 2 2 | Bile Duct, Hyperplasia | 2 | Centrilobular, Necrosis | 2 | Hepatocyte, Mitotic Alteration | 2 | |__________________________________________________________________________| Mesentery | + + + + + + + + + | Fat, Necrosis | 2 2 3 2 2 2 3 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | 2 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 14 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 0| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 3| 2| 9| 3| 3| 3| 8| 3| 4| 3| 3| | 2| 2| 3| 2| 2| 3| 3| 3| 9| 1| 2| 3| 2| 3| 2| 5| 4| 3| 2| 2| 0| 3| 3| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 75 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 | | Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 1 1 2 2 | Inflammation | 1 1 1 | |__________________________________________________________________________| Stomach, Glandular | + + + A + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 | |__________________________________________________________________________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Malformation | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 1| Inflammation, Chronic | | Mineralization | 2 | Endocardium, Hyperplasia | | Valve, Inflammation, Suppurative | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Hypertrophy | 1 2 3 1 2| Necrosis | 1 | Vacuolization Cytoplasmic | 3 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 2 1 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + M + + + + + M + M M + M + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + A + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 2 2 2 3 3| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 15 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 0| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 3| 2| 9| 3| 3| 3| 8| 3| 4| 3| 3| | 2| 2| 3| 2| 2| 3| 3| 3| 9| 1| 2| 3| 2| 3| 2| 5| 4| 3| 2| 2| 0| 3| 3| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 75 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 | | Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Peritoneum | + | Inflammation, Chronic, Suppurative | 4 | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + M + + + + + + + + + I + + + + + + + + + M + M| Inflammation, Chronic | | |__________________________________________________________________________| Ovary | + + + A + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Cyst | 1 4 2 2 | Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Inflammation, Suppurative | 3 | Thrombosis | 2 3 | Endometrium, Hyperplasia, Cystic | 3 3 3 2 3 3 2 2 3 1 3 3 3 3 4 2 3 3 3 2 2 1 1| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + + + + +| Angiectasis | 4 | |__________________________________________________________________________| Lymph Node, Bronchial | + + M + + + + M + + + + M + I + + + + M + + + + +| |__________________________________________________________________________| Lymph Node, Mandibular | + M + + + + + + + + + + + + + + + + + + + M + + +| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + A + +| Angiectasis | 3 | Infiltration Cellular, Plasma Cell | | __________________________________________|__________________________________________________________________________| Page 16 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 0| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 3| 2| 9| 3| 3| 3| 8| 3| 4| 3| 3| | 2| 2| 3| 2| 2| 3| 3| 3| 9| 1| 2| 3| 2| 3| 2| 5| 4| 3| 2| 2| 0| 3| 3| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 75 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, Mediastinal | M + + + + + + + M + + + + + + + + + M + + + + + +| |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 | Hematopoietic Cell Proliferation | 3 3 3 | |__________________________________________________________________________| Thymus | + + M + + + + + + + + M M M + + I + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | 1 | Subcutaneous Tissue, Inflammation, | | Acute | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | | Inflammation, Acute | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Peripheral Nerve | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | | Alveolus, Infiltration Cellular, | | __________________________________________|__________________________________________________________________________| Page 17 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 0| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 3| 2| 9| 3| 3| 3| 8| 3| 4| 3| 3| | 2| 2| 3| 2| 2| 3| 3| 3| 9| 1| 2| 3| 2| 3| 2| 5| 4| 3| 2| 2| 0| 3| 3| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 75 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 | | Histiocyte | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | |__________________________________________________________________________| Pleura | + | Hyperplasia | 2 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Cornea, Hyperplasia, Squamous | 1 1 | Cornea, Inflammation, Chronic Active | 4 2 | Cornea, Mineralization | 1 3 | Cornea, Ulcer | 2 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 2 | |__________________________________________________________________________| Lacrimal Gland | + | |__________________________________________________________________________| Zymbal's Gland | + + + + + + M + + M + + M + + + M M + + M + + M +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Osseous | | Nephropathy | 1 2 1 1 1 1 1 1 2 1 2 1 3 1 2 1 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 18 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 9| 8| 3| 0| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 1| | | 3| 0| 0| 2| 2| 3| 3| 3| 5| 6| 2| 5| 1| 2| 1| 6| 3| 2| 3| 2| 2| 3| 3| 3| 6| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 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 | 75 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 | |__________________________________________________________________________|____________| Gallbladder | + I + M + + I + + + + I + + + + I I + + + + + + +| 39 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + A + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + A + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + A + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + A + + + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + A + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + A + + + + + + + + + + + + + + +| 48 | Infiltration Cellular, Mixed Cell | | 1 2.0| |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X| 4 | Clear Cell Focus | X X X X| 4 | Eosinophilic Focus | X X | 10 | Fatty Change, Focal | 2 | 1 2.0| Fatty Change | | 1 2.0| Inflammation, Granulomatous | 1 2 1 1 | 9 1.1| Tension Lipidosis | 1 | 3 1.7| Bile Duct, Hyperplasia | | 1 2.0| Centrilobular, Necrosis | 3 2 | 3 2.3| Hepatocyte, Mitotic Alteration | | 1 2.0| |__________________________________________________________________________|____________| Mesentery | + + + + + + + + + + + +| 21 | Fat, Necrosis | 2 2 1 2 3 2 2 1 2 2 2| 19 2.1| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 19 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 9| 8| 3| 0| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 1| | | 3| 0| 0| 2| 2| 3| 3| 3| 5| 6| 2| 5| 1| 2| 1| 6| 3| 2| 3| 2| 2| 3| 3| 3| 6| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 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 | 75 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 | | | Basophilic Focus | | 1 2.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | 2 | 5 1.6| Inflammation | 2 1| 5 1.2| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + A + + + + + + + + + + + + + + +| 48 | Mineralization | | 1 1.0| |__________________________________________________________________________|____________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 3 3 | 2 3.0| Malformation | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 | 4 1.3| Inflammation, Chronic | 2 | 1 2.0| Mineralization | | 1 2.0| Endocardium, Hyperplasia | 4 | 1 4.0| Valve, Inflammation, Suppurative | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 1 2 | 3 1.7| Hypertrophy | 1 2 | 7 1.7| Necrosis | | 1 1.0| Vacuolization Cytoplasmic | 2 3 | 3 2.7| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + M + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 3 | 4 2.3| _____________________________________________________________________________________________________________________|____________| * : 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 20 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 9| 8| 3| 0| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 1| | | 3| 0| 0| 2| 2| 3| 3| 3| 5| 6| 2| 5| 1| 2| 1| 6| 3| 2| 3| 2| 2| 3| 3| 3| 6| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 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 | 75 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 | | | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Parathyroid Gland | M + + + + + + + + + + M + M + + + + M + + + + + +| 41 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Pars Distalis, Hyperplasia | 1 2 3 2 1 2 | 11 2.1| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Peritoneum | | 1 | Inflammation, Chronic, Suppurative | | 1 4.0| _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + M + + M + + M + + + + + + + + + + +| 43 | Inflammation, Chronic | 3 | 1 3.0| |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | | 1 2.0| Cyst | 2 2 3 3 3 3 2 2 | 12 2.4| Inflammation, Chronic Active | | 1 3.0| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | | 1 2.0| Inflammation, Suppurative | | 1 3.0| Thrombosis | | 2 2.5| Endometrium, Hyperplasia, Cystic | 3 2 4 3 3 2 2 3 2 1 4 2 1 2 2 1 2 3 3 2 3 2 4 3 1| 48 2.5| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 21 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 9| 8| 3| 0| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 1| | | 3| 0| 0| 2| 2| 3| 3| 3| 5| 6| 2| 5| 1| 2| 1| 6| 3| 2| 3| 2| 2| 3| 3| 3| 6| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 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 | 75 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 | | | Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + I + | 8 | Angiectasis | 3 | 2 3.5| |__________________________________________________________________________|____________| Lymph Node, Bronchial | + M M + + + M + + + M + M M + M + M M + + + M M +| 34 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + M + + I + + + + + + + + + + + + + M + + + + +| 45 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + I + + + + + + + + + + + + + + + + + + +| 48 | Angiectasis | 3 | 2 3.0| Infiltration Cellular, Plasma Cell | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + M + + M + M + M + + + + + + + M M + + + + +| 41 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | | 1 2.0| Hematopoietic Cell Proliferation | 3 | 4 3.0| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 45 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infiltration Cellular, Mixed Cell | 1 2 | 3 1.3| Subcutaneous Tissue, Inflammation, | | | Acute | 3| 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 22 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 9| 8| 3| 0| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 1| | | 3| 0| 0| 2| 2| 3| 3| 3| 5| 6| 2| 5| 1| 2| 1| 6| 3| 2| 3| 2| 2| 3| 3| 3| 6| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 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 | 75 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 | + +| 2 | Inflammation, Acute | 3| 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Peripheral Nerve | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar Epithelium, Hyperplasia | 3 1 | 2 2.0| Alveolus, Infiltration Cellular, | | | Histiocyte | 1 | 1 1.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | 4| 1 4.0| |__________________________________________________________________________|____________| Pleura | | 1 | Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cornea, Hyperplasia, Squamous | | 2 1.0| Cornea, Inflammation, Chronic Active | | 2 3.0| Cornea, Mineralization | | 2 2.0| Cornea, Ulcer | | 1 2.0| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 23 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 9| 8| 3| 0| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 1| | | 3| 0| 0| 2| 2| 3| 3| 3| 5| 6| 2| 5| 1| 2| 1| 6| 3| 2| 3| 2| 2| 3| 3| 3| 6| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 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 | 75 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 | | | Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 3 2.7| |__________________________________________________________________________|____________| Lacrimal Gland | | 1 | |__________________________________________________________________________|____________| Zymbal's Gland | + + M + + + M M M M + + + + M M M + + + + + + + +| 35 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Metaplasia, Osseous | 1 | 1 1.0| Nephropathy | 1 1 1 1 3 1 1 1 1 1 1 2 2 1 1 1 1 1| 34 1.3| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + A + + + + + + + + + + + + + + +| 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 24 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 5| 3| | 3| 2| 1| 1| 2| 2| 3| 1| 3| 3| 3| 3| 2| 2| 3| 2| 3| 1| 1| 1| 2| 1| 7| 6| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 300 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | I + + + + + + + + + I + + + + + + + + + + A + I +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + A + + +| Necrosis | 1 | |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Hyperplasia | | |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + A A +| Infiltration Cellular, Mixed Cell | 3 | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + A + A +| Infiltration Cellular, Mixed Cell | 3 2 2| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X X | Clear Cell Focus | X X | Eosinophilic Focus | X X X X X X | Fatty Change | | Hematopoietic Cell Proliferation | | Infarct | | Inflammation, Granulomatous | 1 1 1 1 1 1 1 1 1 1 | Tension Lipidosis | 1 2 | Thrombosis | | Bile Duct, Hyperplasia | 2 | |__________________________________________________________________________| Mesentery | + + + + | Fat, Necrosis | 2 2 2 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 25 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 5| 3| | 3| 2| 1| 1| 2| 2| 3| 1| 3| 3| 3| 3| 2| 2| 3| 2| 3| 1| 1| 1| 2| 1| 7| 6| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 300 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 | | Atrophy | 3 2 | Basophilic Focus | 2 | Duct, Cyst | 4 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | | Infiltration Cellular, Mast Cell | | Inflammation | | Ulcer | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | | |__________________________________________________________________________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + | Inflammation, Chronic | 3 | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 | Hypertrophy | 2 | Vacuolization Cytoplasmic | 3 3 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 26 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 5| 3| | 3| 2| 1| 1| 2| 2| 3| 1| 3| 3| 3| 3| 2| 2| 3| 2| 3| 1| 1| 1| 2| 1| 7| 6| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 300 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Parathyroid Gland | M M + + + M + + M M + + M + + + M + + + M + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + A + + +| Pars Distalis, Angiectasis | | Pars Distalis, Hyperplasia | 2 3 4 3 3 3 2 4 3 3| |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 3 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Peritoneum | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + I + + +| Cyst | 2 2 2 2 2 | Thrombosis | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 4 2 4 | Inflammation, Suppurative | 4 | Endometrium, Hyperplasia, Cystic | 3 4 3 3 2 4 3 3 4 3 4 3 3 3 2 2 3 3 3 3 4 4 3 3| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + +| Ectasia | 4 | |__________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + M + +| |__________________________________________________________________________| Lymph Node, Mandibular | + + M + + + + + + + + M + + + + + + + M + + M + +| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + M +| __________________________________________|__________________________________________________________________________| Page 27 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 5| 3| | 3| 2| 1| 1| 2| 2| 3| 1| 3| 3| 3| 3| 2| 2| 3| 2| 3| 1| 1| 1| 2| 1| 7| 6| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 300 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 | | Angiectasis | 3 | Inflammation, Granulomatous | | |__________________________________________________________________________| Lymph Node, Mediastinal | + M + + + M + + + + + + + + + + + + + M + + + + +| |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 | |__________________________________________________________________________| Thymus | + + + + I + + M + + + + + + + + + + + + + + M + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Synovial Tissue, Hyperplasia | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | X | Mineralization | | Alveolar Epithelium, Hyperplasia | 2 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + A + + +| Inflammation, Suppurative | 1 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 28 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 5| 3| | 3| 2| 1| 1| 2| 2| 3| 1| 3| 3| 3| 3| 2| 2| 3| 2| 3| 1| 1| 1| 2| 1| 7| 6| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 300 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 | | Pleura | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 1 1 1 | |__________________________________________________________________________| Zymbal's Gland | + + M + M + M M M M + M M + + + M + M + + + + M +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | 2 2 | Metaplasia, Osseous | | Nephropathy | 1 1 1 1 1 2 1 1 1 1 2 1 1 1 1 1 1 1| Thrombosis | | Pelvis, Dilatation | 4 | Renal Tubule, Necrosis | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 29 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 1| 3| 3| 3| 3| 3| 6| 3| 3| 3| 0| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 5| 3| | | 3| 1| 1| 2| 1| 2| 2| 9| 2| 2| 3| 0| 1| 3| 3| 5| 2| 2| 2| 1| 1| 2| 2| 8| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | 300 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 | |__________________________________________________________________________|____________| Gallbladder | + + + + + + + M + + + M + + + + + I + + + + + + +| 43 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Necrosis | 2 | 2 1.5| |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Epithelium, Hyperplasia | 1 | 1 1.0| |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Infiltration Cellular, Mixed Cell | | 1 3.0| |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Infiltration Cellular, Mixed Cell | | 3 2.3| |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2| 1 2.0| Basophilic Focus | 2 X | 4 2.0| Clear Cell Focus | X X X X | 6 | Eosinophilic Focus | X X X | 9 | Fatty Change | 3 | 1 3.0| Hematopoietic Cell Proliferation | 1 | 1 1.0| Infarct | 4 | 1 4.0| Inflammation, Granulomatous | 1 1 2 1 1 1 1| 17 1.1| Tension Lipidosis | 2 1 2 1 | 6 1.5| Thrombosis | 4 | 1 4.0| Bile Duct, Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 30 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 1| 3| 3| 3| 3| 3| 6| 3| 3| 3| 0| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 5| 3| | | 3| 1| 1| 2| 1| 2| 2| 9| 2| 2| 3| 0| 1| 3| 3| 5| 2| 2| 2| 1| 1| 2| 2| 8| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | 300 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 | | | Mesentery | + + + + + + + + + | 13 | Fat, Necrosis | 2 2 2 2 2 2 2 2 | 12 2.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 2 2.5| Basophilic Focus | | 1 2.0| Duct, Cyst | | 1 4.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | 2 | 1 2.0| Infiltration Cellular, Mast Cell | 2 | 1 2.0| Inflammation | 1 1 | 2 1.0| Ulcer | 2 | 1 2.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 3 | 1 3.0| |__________________________________________________________________________|____________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | | 2 | Inflammation, Chronic | | 1 3.0| |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 1 1 | 8 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 | 3 2.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 31 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 1| 3| 3| 3| 3| 3| 6| 3| 3| 3| 0| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 5| 3| | | 3| 1| 1| 2| 1| 2| 2| 9| 2| 2| 3| 0| 1| 3| 3| 5| 2| 2| 2| 1| 1| 2| 2| 8| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | 300 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 | | | Hypertrophy | | 1 2.0| Vacuolization Cytoplasmic | 3 | 3 3.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 1 3.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + M + + + + + + + + + + + + + + + + M +| 40 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + I + + + + + + + + + I + + + + + + + + + +| 47 | Pars Distalis, Angiectasis | 2 | 1 2.0| Pars Distalis, Hyperplasia | 2 3 2 3 3 2 | 16 2.8| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 1 | 3 1.7| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Peritoneum | + | 2 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + M + + + + + + M + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | 2 3 2 3 2 4 1 | 12 2.3| Thrombosis | 4 | 1 4.0| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 4 | 4 3.5| Inflammation, Suppurative | 3 | 2 3.5| Endometrium, Hyperplasia, Cystic | 3 3 3 3 4 2 3 4 2 2 2 2 3 3 4 3 3 4 2 3 4 2 1 3| 48 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 32 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 1| 3| 3| 3| 3| 3| 6| 3| 3| 3| 0| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 5| 3| | | 3| 1| 1| 2| 1| 2| 2| 9| 2| 2| 3| 0| 1| 3| 3| 5| 2| 2| 2| 1| 1| 2| 2| 8| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | 300 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 | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + + + | 6 | Ectasia | | 1 4.0| |__________________________________________________________________________|____________| Lymph Node, Bronchial | M + M + + + + + + + + + + + + + M + + M + + + M +| 44 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + M + +| 45 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + M + + + + + + + + + + + + + + + + + + + + + + +| 48 | Angiectasis | 3| 2 3.0| Inflammation, Granulomatous | 2 | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | M + + + + + + + + M + M + + + + + + M + M M + + +| 41 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hematopoietic Cell Proliferation | 3 | 2 3.0| |__________________________________________________________________________|____________| Thymus | + M + + + + + + + + + + + + + + + + + + + + + + +| 46 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infiltration Cellular, Mixed Cell | 2 1 | 2 1.5| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Synovial Tissue, Hyperplasia | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 33 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 1| 3| 3| 3| 3| 3| 6| 3| 3| 3| 0| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 5| 3| | | 3| 1| 1| 2| 1| 2| 2| 9| 2| 2| 3| 0| 1| 3| 3| 5| 2| 2| 2| 1| 1| 2| 2| 8| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | 300 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| | _____________________________________________________________________________________________________________________|____________| NERVOUS SYSTEM - cont | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | | 1 | Mineralization | 1 | 1 1.0| Alveolar Epithelium, Hyperplasia | 1 1 1 | 4 1.3| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Suppurative | | 1 1.0| |__________________________________________________________________________|____________| Pleura | + | 1 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | + | 1 | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 4 1.5| |__________________________________________________________________________|____________| Zymbal's Gland | + M + + + + + + M + M M + + + + I M + M + M M M M| 28 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | | 2 2.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 34 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 1| 3| 3| 3| 3| 3| 6| 3| 3| 3| 0| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 5| 3| | | 3| 1| 1| 2| 1| 2| 2| 9| 2| 2| 3| 0| 1| 3| 3| 5| 2| 2| 2| 1| 1| 2| 2| 8| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | 300 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| | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM - cont | | | Metaplasia, Osseous | 2 | 1 2.0| Nephropathy | 3 1 2 1 1 3 1 1 1 1 1 2 3 1| 32 1.3| Thrombosis | 4 | 1 4.0| Pelvis, Dilatation | | 1 4.0| Renal Tubule, Necrosis | 2 | 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 35 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 4| 7| 7| 7| 7| 7| 5| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 2| 4| 3| 3| 3| 3| 3| 8| | 3| 2| 2| 3| 1| 3| 1| 3| 1| 3| 3| 3| 3| 3| 3| 4| 2| 2| 0| 2| 1| 2| 3| 2| 5| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 1200 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + I + + + + + + + + M + A + + M + + + + I +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + A + + + + + + + + +| Infiltration Cellular, Mixed Cell | 3 | |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + A + + + + + + + + +| Necrosis | | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + A + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | 2 | |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Necrosis | 2| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + A + + + + + + + + +| Infiltration Cellular, Mixed Cell | | Necrosis | 1 3| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Clear Cell Focus | X X X| Eosinophilic Focus | X X X X X X X X X X X X X X| Fatty Change | 3 | Inflammation, Granulomatous | 1 2 1 1 1 1 1 | Tension Lipidosis | 2 1| |__________________________________________________________________________| Mesentery | | Fat, Necrosis | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 36 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 4| 7| 7| 7| 7| 7| 5| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 2| 4| 3| 3| 3| 3| 3| 8| | 3| 2| 2| 3| 1| 3| 1| 3| 1| 3| 3| 3| 3| 3| 3| 4| 2| 2| 0| 2| 1| 2| 3| 2| 5| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 1200 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 | | Atrophy | 2 | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 1 2 | Inflammation | 2 2| Ulcer | 2 1 2| |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | | |__________________________________________________________________________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 1 3 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 | Thrombosis | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Hypertrophy | 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 | Hypertrophy | | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3| |__________________________________________________________________________| Parathyroid Gland | + + + M + + + + + + M + + + + M + + + + + + M + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + A + + + + + + + + +| Pars Distalis, Angiectasis | | Pars Distalis, Hyperplasia | 2 2 2 2 4 2 2 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 37 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 4| 7| 7| 7| 7| 7| 5| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 2| 4| 3| 3| 3| 3| 3| 8| | 3| 2| 2| 3| 1| 3| 1| 3| 1| 3| 3| 3| 3| 3| 3| 4| 2| 2| 0| 2| 1| 2| 3| 2| 5| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 1200 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 | | Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + M + + M + + + + + + + + + + + + + +| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Cyst | 3 2 4 3 2 2 2| |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 | Inflammation, Suppurative | 2 4| Endometrium, Hyperplasia, Cystic | 4 3 4 2 4 3 4 4 4 4 1 3 3 2 4 3 3 2 2 4 4 4 3 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Thrombosis | | |__________________________________________________________________________| Lymph Node | + | |__________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + M M M + + + + + +| |__________________________________________________________________________| Lymph Node, Mandibular | M + + + + + + M + + + + + + + M M M M M + + + + +| Hyperplasia, Lymphoid | 4 | Infiltration Cellular, Plasma Cell | 2 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Inflammation, Suppurative | | |__________________________________________________________________________| Lymph Node, Mediastinal | + M + + M + + + M + + + M + M + + M M + + + M M +| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 38 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 4| 7| 7| 7| 7| 7| 5| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 2| 4| 3| 3| 3| 3| 3| 8| | 3| 2| 2| 3| 1| 3| 1| 3| 1| 3| 3| 3| 3| 3| 3| 4| 2| 2| 0| 2| 1| 2| 3| 2| 5| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 1200 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 | | Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 | |__________________________________________________________________________| Thymus | + M + M + + + + + + + + + + + + + + M + + + + + M| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 2| Inflammation, Chronic Active | 1 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Granulomatous | 1 | Thrombosis | | Alveolar Epithelium, Hyperplasia | 4 1 | Alveolus, Infiltration Cellular, | | Histiocyte | 1 | Artery, Inflammation, Acute | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 | Respiratory Epithelium, Necrosis | 2| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 39 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 4| 7| 7| 7| 7| 7| 5| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 2| 4| 3| 3| 3| 3| 3| 8| | 3| 2| 2| 3| 1| 3| 1| 3| 1| 3| 3| 3| 3| 3| 3| 4| 2| 2| 0| 2| 1| 2| 3| 2| 5| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 1200 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 | | |__________________________________________________________________________| Ear | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Cataract | | Anterior Chamber, Inflammation, Acute| 1 | Cornea, Erosion | 2 2 3| Cornea, Hyperplasia, Squamous | 1 3 | Cornea, Inflammation, Acute | 3 | Cornea, Inflammation, Chronic Active | 4 2 | Cornea, Mineralization | 2 2 2 2 2 2 2 2 1 2 2 2| Cornea, Ulcer | 2 | Retrobulbar, Inflammation, | | Granulomatous | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 3 2 | |__________________________________________________________________________| Zymbal's Gland | + + + M + + + + + M + + + + + + + M M + + + + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | 2 2 2 | Metaplasia, Osseous | 1 | Nephropathy | 1 1 1 1 1 1 1 1 2 1 1 1 1| Renal Tubule, Degeneration, Hyaline | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + A + + + + + + + + +| Inflammation, Acute | 2| __________________________________________|__________________________________________________________________________ Page 40 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 0| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 1| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 2| 3| 3| 3| 8| | | 1| 3| 1| 3| 1| 9| 6| 3| 1| 3| 1| 1| 2| 2| 3| 2| 2| 3| 1| 6| 2| 3| 3| 2| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | 1200 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 | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Gallbladder | + + + + M A A + I M M + + I M + + + I A + + + M| 33 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Infiltration Cellular, Mixed Cell | | 1 3.0| |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Necrosis | 1 | 1 1.0| |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + A + + + + + + + + + + + + + + + + + A| 46 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + A A + + + + + + + + + + + + + + + + A| 46 | Infiltration Cellular, Mixed Cell | | 1 2.0| |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + A + + + + + + + + + + + + + + + + + A| 47 | Inflammation, Suppurative | 4 | 1 4.0| Necrosis | | 1 2.0| |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + A A + + + + + + + + + + + + + + + + A| 45 | Infiltration Cellular, Mixed Cell | 3 | 1 3.0| Necrosis | | 2 2.0| |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | | 2 | Clear Cell Focus | X X | 5 | Eosinophilic Focus | X X X X X X X X X X X X X | 27 | Fatty Change | | 1 3.0| Inflammation, Granulomatous | 1 1 1 1 1 | 12 1.1| Tension Lipidosis | 2 1 | 4 1.5| |__________________________________________________________________________|____________| Mesentery | + +| 2 | Fat, Necrosis | 2 2| 2 2.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 41 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 0| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 1| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 2| 3| 3| 3| 8| | | 1| 3| 1| 3| 1| 9| 6| 3| 1| 3| 1| 1| 2| 2| 3| 2| 2| 3| 1| 6| 2| 3| 3| 2| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | 1200 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 | | | |__________________________________________________________________________|____________| Pancreas | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | | 1 2.0| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia, Squamous | 2 2 2 2 | 6 1.8| Inflammation | 1 1 1 2 | 6 1.5| Ulcer | 1 | 4 1.5| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | Mineralization | 1 | 1 1.0| |__________________________________________________________________________|____________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 2 2 2 | 7 2.3| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cardiomyopathy | 1 | 3 1.0| Thrombosis | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia | 1 2 2 2 | 4 1.8| Hypertrophy | 2 | 2 2.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia | 1 | 3 1.7| Hypertrophy | 2 | 1 2.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 42 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 0| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 1| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 2| 3| 3| 3| 8| | | 1| 3| 1| 3| 1| 9| 6| 3| 1| 3| 1| 1| 2| 2| 3| 2| 2| 3| 1| 6| 2| 3| 3| 2| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | 1200 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 | | | Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Parathyroid Gland | M M + + + + + + + + + + + + + + + + + + M + + +| 42 | |__________________________________________________________________________|____________| Pituitary Gland | + I + + + A + + + + + + + + + + + + + + + + + +| 46 | Pars Distalis, Angiectasis | 2 | 1 2.0| Pars Distalis, Hyperplasia | 1 1 2 3 | 11 2.1| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | Follicular Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + M + + + + + + + + + + + + + M + + + + +| 45 | |__________________________________________________________________________|____________| Ovary | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | Atrophy | 2 | 1 2.0| Cyst | 2 1 2 2 | 11 2.3| |__________________________________________________________________________|____________| Uterus | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | Angiectasis | 2 | 2 2.5| Inflammation, Suppurative | | 2 3.0| Endometrium, Hyperplasia, Cystic | 3 4 4 4 4 3 3 3 4 2 3 4 4 3 3 4 3 4 3 3 4| 45 3.3| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | Thrombosis | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node | + | 2 | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 43 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 0| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 1| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 2| 3| 3| 3| 8| | | 1| 3| 1| 3| 1| 9| 6| 3| 1| 3| 1| 1| 2| 2| 3| 2| 2| 3| 1| 6| 2| 3| 3| 2| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | 1200 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 | | | Lymph Node, Bronchial | + + + + + + M + + + + + + + + + + + M M + + + M| 42 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | M + M + M + M M + + + + M M + M + + + + + + + +| 34 | Hyperplasia, Lymphoid | | 1 4.0| Infiltration Cellular, Plasma Cell | | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | Angiectasis | 2 | 1 2.0| Inflammation, Suppurative | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + + M + M + + M + M + + M M + + M + M + + + + M| 31 | |__________________________________________________________________________|____________| Spleen | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | Hematopoietic Cell Proliferation | 2 3 | 3 2.7| |__________________________________________________________________________|____________| Thymus | + + + + + + M + + + + + + + M + + + M + + + + +| 42 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Acute | | 1 2.0| Inflammation, Chronic Active | | 1 1.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 44 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 0| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 1| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 2| 3| 3| 3| 8| | | 1| 3| 1| 3| 1| 9| 6| 3| 1| 3| 1| 1| 2| 2| 3| 2| 2| 3| 1| 6| 2| 3| 3| 2| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | 1200 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 | | | |__________________________________________________________________________|____________| Larynx | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Granulomatous | 1 | 2 1.0| Thrombosis | 2 2| 2 2.0| Alveolar Epithelium, Hyperplasia | 1 | 3 2.0| Alveolus, Infiltration Cellular, | | | Histiocyte | 1 4| 3 2.0| Artery, Inflammation, Acute | 2 2| 2 2.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Suppurative | | 1 1.0| Respiratory Epithelium, Necrosis | | 1 2.0| |__________________________________________________________________________|____________| Trachea | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | + | 1 | |__________________________________________________________________________|____________| Eye | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | Cataract | 3 3 | 2 3.0| Anterior Chamber, Inflammation, Acute| | 1 1.0| Cornea, Erosion | | 3 2.3| Cornea, Hyperplasia, Squamous | | 2 2.0| Cornea, Inflammation, Acute | | 1 3.0| Cornea, Inflammation, Chronic Active | 1 1 | 4 2.0| Cornea, Mineralization | 2 2 2 2 2 2 2 2 | 20 2.0| Cornea, Ulcer | | 1 2.0| Retrobulbar, Inflammation, | | | Granulomatous | 3 | 1 3.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 45 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 0| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 1| 6| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 2| 3| 3| 3| 8| | | 1| 3| 1| 3| 1| 9| 6| 3| 1| 3| 1| 1| 2| 2| 3| 2| 2| 3| 1| 6| 2| 3| 3| 2| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | 1200 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 | | | Hyperplasia | 1 | 4 2.0| |__________________________________________________________________________|____________| Zymbal's Gland | + + M M + M M M + + M M + + M + + + + + + M + +| 36 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + A + + + + + + + + + + + + + + + + + +| 48 | Infarct | | 3 2.0| Metaplasia, Osseous | | 1 1.0| Nephropathy | 1 1 1 1 4 1 1 2 1 1 1 2 3 2 1 1 1 1 1 1 1| 34 1.3| Renal Tubule, Degeneration, Hyaline | 2 | 1 2.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + A + + + + + + + + + + + + + + + + + +| 47 | Inflammation, Acute | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 46 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 6| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 2| 3| 2| 2| 3| 1| 2| 3| 3| 6| 2| 3| 3| 3| 6| 3| 2| 2| 1| 2| 3| 3| 7| 2| 2| | 9| 0| 2| 9| 0| 0| 2| 0| 1| 9| 9| 0| 1| 0| 9| 0| 9| 9| 1| 9| 0| 0| 1| 9| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + M + + M A + + + + + + + + + + + + + + + M + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + A + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + A + + + + + + + + + + + + + + + A + +| Infiltration Cellular, Mixed Cell | | |__________________________________________________________________________| Intestine Large, Cecum | + + A + + + A + + + + + + + + + + + + + + + A + +| Necrosis | 3 | |__________________________________________________________________________| Intestine Small, Duodenum | + + A + + + A + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + A + + + A + + + + + + + + + + + + + + + A + +| Infiltration Cellular, Mixed Cell | 3 | Inflammation, Granulomatous | 3 | Epithelium, Hyperplasia | 2 | |__________________________________________________________________________| Intestine Small, Ileum | + + A + + + A + + + + + + + + + + + + + + + A + +| Infiltration Cellular, Mixed Cell | 2 | Epithelium, Hyperplasia | 2 | |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X | Clear Cell Focus | X X X X X X X X X X X| Eosinophilic Focus | X X X 3 | Hematopoietic Cell Proliferation | 2 | Infarct | | Inflammation, Granulomatous | 1 1 1| Tension Lipidosis | 2 | Centrilobular, Necrosis | | Hepatocyte, Multinucleated | 1 1 1 1 1 1 1 1 1 1 1 1 1| |__________________________________________________________________________| Mesentery | + + + + + + | Inflammation, Granulomatous | | Fat, Necrosis | 2 2 2 2 2 | __________________________________________|__________________________________________________________________________| Page 47 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 6| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 2| 3| 2| 2| 3| 1| 2| 3| 3| 6| 2| 3| 3| 3| 6| 3| 2| 2| 1| 2| 3| 3| 7| 2| 2| | 9| 0| 2| 9| 0| 0| 2| 0| 1| 9| 9| 0| 1| 0| 9| 0| 9| 9| 1| 9| 0| 0| 1| 9| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 - cont | | |__________________________________________________________________________| Pancreas | + + + + + + A + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + A + + + + + + + + + + + + + + + A + +| Inflammation | 1 1 | Epithelium, Hyperplasia, Squamous | 2 1 | Epithelium, Ulcer | 1 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + A + + + + + + + + + + + + + + + A + +| Hyperplasia | 2 | Metaplasia, Squamous | 2 | Mineralization | | |__________________________________________________________________________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | Malformation | 1 1 1 2 2 1 1 1 1 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 | Mineralization | 1 | Necrosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + A + + + + + + + + + + + + + + + A + +| Hyperplasia | 1 2 2 2 2 | Hypertrophy | 2 2 2 2 2 2 2 2 2 2 3 1 2 2 2 2 2 2| |__________________________________________________________________________| Adrenal Medulla | + + + + + + A + + + + + + + + + + + I + + + A + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + A + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Parathyroid Gland | + M + + + M M M M M + + M + + + + + + + + + M + +| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 48 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 6| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 2| 3| 2| 2| 3| 1| 2| 3| 3| 6| 2| 3| 3| 3| 6| 3| 2| 2| 1| 2| 3| 3| 7| 2| 2| | 9| 0| 2| 9| 0| 0| 2| 0| 1| 9| 9| 0| 1| 0| 9| 0| 9| 9| 1| 9| 0| 0| 1| 9| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | | Pituitary Gland | + + M + + + M + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Thyroid Gland | + + + + + + M + + M + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Peritoneum | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | 2 | |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 2 | Hyperplasia, Squamous | 2 | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 | Germinal Epithelium, Degeneration | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + A + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + | |__________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + M + + + + M M + M + M M + + M + + M| Infiltration Cellular, Plasma Cell | 2 | |__________________________________________________________________________| Lymph Node, Mandibular | + + M + M M + + + + M + + + M M M + + + M + + + M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + A + +| Infiltration Cellular, Plasma Cell | 4 3 | __________________________________________|__________________________________________________________________________| Page 49 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 6| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 2| 3| 2| 2| 3| 1| 2| 3| 3| 6| 2| 3| 3| 3| 6| 3| 2| 2| 1| 2| 3| 3| 7| 2| 2| | 9| 0| 2| 9| 0| 0| 2| 0| 1| 9| 9| 0| 1| 0| 9| 0| 9| 9| 1| 9| 0| 0| 1| 9| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | | Infiltration Cellular, Mixed Cell | | |__________________________________________________________________________| Lymph Node, Mediastinal | + + + + M + + M + + M + + + + M M M + + + + + + +| |__________________________________________________________________________| Spleen | + + + + + + A + + + + + + + + + + + + + + + A + +| Hematopoietic Cell Proliferation | 3 | Infiltration Cellular, Histiocyte | 3 | |__________________________________________________________________________| Thymus | + + M + + + + + + + + + + + M + + + M M + + + M +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 4 1 3 | Subcutaneous Tissue, Edema | | Subcutaneous Tissue, Hemorrhage | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + A + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | 1 3 1 | Alveolus, Infiltration Cellular, | | Histiocyte | 3 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 50 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 6| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 2| 3| 2| 2| 3| 1| 2| 3| 3| 6| 2| 3| 3| 3| 6| 3| 2| 2| 1| 2| 3| 3| 7| 2| 2| | 9| 0| 2| 9| 0| 0| 2| 0| 1| 9| 9| 0| 1| 0| 9| 0| 9| 9| 1| 9| 0| 0| 1| 9| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | | Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 3 3 | |__________________________________________________________________________| Pleura | | |__________________________________________________________________________| Trachea | + + + + + + A + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + A + + + + + + + + + + + + + + + A + +| Cornea, Hyperplasia, Squamous | | Cornea, Inflammation, Chronic Active | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 3 1 3 3 3 | |__________________________________________________________________________| Zymbal's Gland | + I I + + M + + + + M M + + M M + + + + M + M + +| Hyperplasia | 2 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 1 | Infarct | 3 2 4 | Metaplasia, Osseous | | Nephropathy | 1 1 1 1 2 3 1 2 1 2 1 1 1 1 1 2 1 1 1 1| Renal Tubule, Hyperplasia | | Renal Tubule, Necrosis | | |__________________________________________________________________________| Urinary Bladder | + + + + + + A + + + + + + + + + + + + + + + A + +| __________________________________________|__________________________________________________________________________ Page 51 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 2| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 6| 7| | DAY ON TEST | 3| 0| 2| 3| 3| 3| 8| 9| 6| 3| 3| 2| 3| 3| 3| 2| 2| 2| 3| 3| 3| 3| 2| 4| 1| | | 0| 8| 9| 1| 1| 0| 1| 3| 8| 0| 0| 9| 0| 1| 0| 9| 9| 9| 0| 4| 0| 0| 9| 1| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 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 | |__________________________________________________________________________|____________| Gallbladder | + A + + + + M A A + M + + + + + + + + A A + + I +| 38 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + A A + + + + + + + + + + + + + + + +| 46 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + A A + + + + + + + + + + + + + + + +| 46 | Infiltration Cellular, Mixed Cell | 2 | 1 2.0| |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + A A + + + + + + + + + + + A + + A +| 43 | Necrosis | | 1 3.0| |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + A A + + + + + + + + + + + A + + A +| 43 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + A + + + + + A A + + + + + + + + + + + A + + A +| 42 | Infiltration Cellular, Mixed Cell | 2 | 2 2.5| Inflammation, Granulomatous | | 1 3.0| Epithelium, Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + A A + + + + + + + + + + + A + + A +| 43 | Infiltration Cellular, Mixed Cell | 3 3 2 | 4 2.5| Epithelium, Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X | 6 | Clear Cell Focus | X X X X X X X X X | 20 | Eosinophilic Focus | X X X X X | 9 3.0| Hematopoietic Cell Proliferation | | 1 2.0| Infarct | 3 3| 2 3.0| Inflammation, Granulomatous | 1 1 1 1 1 1 | 9 1.0| Tension Lipidosis | | 1 2.0| Centrilobular, Necrosis | 1 | 1 1.0| Hepatocyte, Multinucleated | 1 1 1 1 1 1 1 1 1 1 1 1 1 1| 27 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 52 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 2| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 6| 7| | DAY ON TEST | 3| 0| 2| 3| 3| 3| 8| 9| 6| 3| 3| 2| 3| 3| 3| 2| 2| 2| 3| 3| 3| 3| 2| 4| 1| | | 0| 8| 9| 1| 1| 0| 1| 3| 8| 0| 0| 9| 0| 1| 0| 9| 9| 9| 0| 4| 0| 0| 9| 1| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 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 | | | |__________________________________________________________________________|____________| Mesentery | + + + + + + + + | 14 | Inflammation, Granulomatous | 3 2 | 2 2.5| Fat, Necrosis | 2 2 1 2 2 | 10 1.9| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Inflammation | | 2 1.0| Epithelium, Hyperplasia, Squamous | | 2 1.5| Epithelium, Ulcer | | 1 1.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + A A + + + + + + + + + + + + + + + +| 46 | Hyperplasia | | 1 2.0| Metaplasia, Squamous | | 1 2.0| Mineralization | 1 | 1 1.0| |__________________________________________________________________________|____________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 1 1 | 3 1.3| Malformation | 1 2 1 1 1 1 1 2 1 2 2 1 1 1 | 24 1.3| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 1 1 | 9 1.0| Mineralization | | 1 1.0| Necrosis | 3 2 | 2 2.5| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia | 2 2 2 2 2 1 | 11 1.8| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 53 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 2| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 6| 7| | DAY ON TEST | 3| 0| 2| 3| 3| 3| 8| 9| 6| 3| 3| 2| 3| 3| 3| 2| 2| 2| 3| 3| 3| 3| 2| 4| 1| | | 0| 8| 9| 1| 1| 0| 1| 3| 8| 0| 0| 9| 0| 1| 0| 9| 9| 9| 0| 4| 0| 0| 9| 1| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 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| | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Hypertrophy | 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2| 34 2.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Parathyroid Gland | M + + + M + M + + + + + + + + M + + + + + + + M +| 37 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + M A M + M + + + + + + + + + + + + + +| 43 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Peritoneum | + | 2 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Granuloma Sperm | | 1 2.0| |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ectasia | 2 | 2 2.0| Hyperplasia, Squamous | | 1 2.0| |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + A A + + + + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | | 1 2.0| Germinal Epithelium, Degeneration | | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 54 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 2| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 6| 7| | DAY ON TEST | 3| 0| 2| 3| 3| 3| 8| 9| 6| 3| 3| 2| 3| 3| 3| 2| 2| 2| 3| 3| 3| 3| 2| 4| 1| | | 0| 8| 9| 1| 1| 0| 1| 3| 8| 0| 0| 9| 0| 1| 0| 9| 9| 9| 0| 4| 0| 0| 9| 1| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 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| | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Lymph Node | + | 2 | |__________________________________________________________________________|____________| Lymph Node, Bronchial | + M + + + M + M + M M + M + + + M M M + + + M + +| 32 | Infiltration Cellular, Plasma Cell | | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | M M + + M M M + + M M M + + M + M M + + + + M M +| 28 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + M + + + + + + + + + + + + + + + + + +| 48 | Infiltration Cellular, Plasma Cell | | 2 3.5| Infiltration Cellular, Mixed Cell | 4 | 1 4.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + M + + + + + + + M + M + M M + + + + + +| 39 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hematopoietic Cell Proliferation | 3 3 2 | 4 2.8| Infiltration Cellular, Histiocyte | | 1 3.0| |__________________________________________________________________________|____________| Thymus | M + + + + + M + + + + M + + + M + + + M + + + + +| 40 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + I + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 4 | 4 3.0| Subcutaneous Tissue, Edema | 3 | 1 3.0| Subcutaneous Tissue, Hemorrhage | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 55 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 2| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 6| 7| | DAY ON TEST | 3| 0| 2| 3| 3| 3| 8| 9| 6| 3| 3| 2| 3| 3| 3| 2| 2| 2| 3| 3| 3| 3| 2| 4| 1| | | 0| 8| 9| 1| 1| 0| 1| 3| 8| 0| 0| 9| 0| 1| 0| 9| 9| 9| 0| 4| 0| 0| 9| 1| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 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| | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM - cont | | | Fibrous Osteodystrophy | | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar Epithelium, Hyperplasia | 1 2 2 | 6 1.7| Alveolus, Infiltration Cellular, | | | Histiocyte | | 1 3.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 1 2 | 5 2.0| |__________________________________________________________________________|____________| Pleura | + | 1 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + A + + + + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Cornea, Hyperplasia, Squamous | 1 | 1 1.0| Cornea, Inflammation, Chronic Active | 1 | 1 1.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 3 3 1| 10 2.5| |__________________________________________________________________________|____________| Zymbal's Gland | + + + + M + M M + + M + + + + + + + + + + + + M M| 35 | Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 56 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 2| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 6| 7| | DAY ON TEST | 3| 0| 2| 3| 3| 3| 8| 9| 6| 3| 3| 2| 3| 3| 3| 2| 2| 2| 3| 3| 3| 3| 2| 4| 1| | | 0| 8| 9| 1| 1| 0| 1| 3| 8| 0| 0| 9| 0| 1| 0| 9| 9| 9| 0| 4| 0| 0| 9| 1| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 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| | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 1.0| Infarct | | 3 3.0| Metaplasia, Osseous | 1 1 1| 3 1.0| Nephropathy | 1 2 2 1 1 1 4 1 1 3 1 1 1 1 1 1 1 1 1 1 1 | 41 1.3| Renal Tubule, Hyperplasia | 2 1 | 2 1.5| Renal Tubule, Necrosis | 2| 1 2.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 57 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 1| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 2| 3| 2| 2| 3| 3| 3| 2| 3| 3| 3| 1| 2| 2| 2| 1| 2| 3| 2| 0| 3| 2| | 0| 0| 1| 9| 0| 9| 7| 7| 0| 1| 9| 0| 0| 1| 1| 9| 9| 9| 2| 9| 7| 9| 5| 0| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 75 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + M M + + + + + + + + A + + + + + + + + + I + + +| Degeneration, Hyaline | 2 | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + A + + + + + + + + + + + + +| Serosa, Inflammation, Granulomatous | 3 | |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + A + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + A + + + + + + A + + + + + +| Necrosis | | |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + A + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + A + + + + + + A + + + + + +| Inflammation, Granulomatous | | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + A + + + + + + A + + + + + +| Infiltration Cellular, Mixed Cell | 2 | Inflammation, Chronic Active | 2 | Epithelium, Hyperplasia | | |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X | Clear Cell Focus | X X X X X X X | Eosinophilic Focus | X X X X X | Fatty Change | | Hematopoietic Cell Proliferation | 1 | Infarct | 2 | Inflammation, Granulomatous | 1 1 1 1 1 | Tension Lipidosis | 2 2 | Centrilobular, Necrosis | 3 | Hepatocyte, Multinucleated | 1 1 1 1 1 1 1 1 2 1 1 1 | |__________________________________________________________________________| Mesentery | + + + + + + + + + | Inflammation, Granulomatous | | __________________________________________|__________________________________________________________________________| Page 58 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 1| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 2| 3| 2| 2| 3| 3| 3| 2| 3| 3| 3| 1| 2| 2| 2| 1| 2| 3| 2| 0| 3| 2| | 0| 0| 1| 9| 0| 9| 7| 7| 0| 1| 9| 0| 0| 1| 1| 9| 9| 9| 2| 9| 7| 9| 5| 0| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 75 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Fat, Necrosis | 2 2 2 2 2 2 2 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 1 | Epithelium, Hyperplasia, Squamous | 2 2 2 | Epithelium, Ulcer | 2 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + A + + + + + + + + + + + + +| Mineralization | 2 | Necrosis | 2 | |__________________________________________________________________________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 2 2 | Malformation | 1 1 1 1 1 1 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 | Mineralization | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 2 3 | Hypertrophy | 2 2 2 2 2 1 1 2 2 2 2 2 2 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 59 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 1| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 2| 3| 2| 2| 3| 3| 3| 2| 3| 3| 3| 1| 2| 2| 2| 1| 2| 3| 2| 0| 3| 2| | 0| 0| 1| 9| 0| 9| 7| 7| 0| 1| 9| 0| 0| 1| 1| 9| 9| 9| 2| 9| 7| 9| 5| 0| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 75 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Parathyroid Gland | M + M + + + M + + + + + + + + + M + M + + + + M +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| Cyst | | Pars Distalis, Hyperplasia | 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + M + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | | Inflammation, Chronic | | |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | | Inflammation, Chronic | 3 3 | Inflammation, Suppurative | 4 3 | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 3 | Atrophy | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | | __________________________________________|__________________________________________________________________________| Page 60 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 1| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 2| 3| 2| 2| 3| 3| 3| 2| 3| 3| 3| 1| 2| 2| 2| 1| 2| 3| 2| 0| 3| 2| | 0| 0| 1| 9| 0| 9| 7| 7| 0| 1| 9| 0| 0| 1| 1| 9| 9| 9| 2| 9| 7| 9| 5| 0| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 75 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, Bronchial | M M M + M + M + + + + + + M + + + + + M M + + M +| |__________________________________________________________________________| Lymph Node, Mandibular | + + + M M + M + + + M + M + M + + + + M + + + + +| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Plasma Cell | 4 | Pigmentation | 2 | |__________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + M + + + + + + M M + + + M| Inflammation, Granulomatous | 1 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + A + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 4 | |__________________________________________________________________________| Thymus | + + + + M + + + M + + M + + + + + M + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | | Inflammation, Chronic Active | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 61 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 1| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 2| 3| 2| 2| 3| 3| 3| 2| 3| 3| 3| 1| 2| 2| 2| 1| 2| 3| 2| 0| 3| 2| | 0| 0| 1| 9| 0| 9| 7| 7| 0| 1| 9| 0| 0| 1| 1| 9| 9| 9| 2| 9| 7| 9| 5| 0| 9| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 75 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 | | Hemorrhage | 2 | Inflammation, Granulomatous | | Mineralization | 2 | Thrombosis | 1 3 2 | Alveolar Epithelium, Hyperplasia | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 4 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + A + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Zymbal's Gland | + + + M + M + + M + + + M + M + + + M + M + + M +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 4 | Cyst | | Infarct | | Inflammation, Chronic, Suppurative | 2 | Metaplasia, Osseous | 2 1 1 1 | Mineralization | 1 | Nephropathy | 1 1 1 1 3 1 3 2 1 2 1 1 1 1 1 1 4| |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + A + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | 2 | __________________________________________|__________________________________________________________________________ Page 62 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 2| 3| 2| 2| 2| 3| 6| 3| 2| 6| 2| 3| 2| 3| 6| 3| 3| 3| 3| 3| 3| 3| 3| | | 1| 0| 9| 0| 9| 9| 9| 1| 8| 1| 9| 6| 9| 0| 9| 0| 3| 0| 0| 1| 0| 0| 1| 0| 0| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 75 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 | |__________________________________________________________________________|____________| Gallbladder | I + M + + + M + + + + A + + + + I + + + + + + + +| 41 | Degeneration, Hyaline | | 1 2.0| |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + A + + + + + + + + + + + + +| 48 | Serosa, Inflammation, Granulomatous | | 1 3.0| |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + A + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + A + + + + + + + + + + + + +| 47 | Necrosis | 2 | 1 2.0| |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + A + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + A + + + + + + + + + + + + +| 47 | Inflammation, Granulomatous | 3 | 1 3.0| |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + A + + + + + + + + + + + + +| 47 | Infiltration Cellular, Mixed Cell | 2 | 2 2.0| Inflammation, Chronic Active | | 1 2.0| Epithelium, Hyperplasia | 3 | 1 3.0| |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Basophilic Focus | X X X | 11 | Clear Cell Focus | X X X X X X X X X X X| 18 | Eosinophilic Focus | X X X X X X X X X | 14 | Fatty Change | 1 | 1 1.0| Hematopoietic Cell Proliferation | | 1 1.0| Infarct | | 1 2.0| Inflammation, Granulomatous | 1 1 1 1 1 1 1 | 12 1.0| Tension Lipidosis | | 2 2.0| Centrilobular, Necrosis | | 1 3.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 63 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 2| 3| 2| 2| 2| 3| 6| 3| 2| 6| 2| 3| 2| 3| 6| 3| 3| 3| 3| 3| 3| 3| 3| | | 1| 0| 9| 0| 9| 9| 9| 1| 8| 1| 9| 6| 9| 0| 9| 0| 3| 0| 0| 1| 0| 0| 1| 0| 0| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 75 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 | | | Hepatocyte, Multinucleated | 1 1 1 1 1 1 1 1 1 1 1 | 23 1.0| |__________________________________________________________________________|____________| Mesentery | + + + + + + + | 16 | Inflammation, Granulomatous | 3 | 1 3.0| Fat, Necrosis | 2 2 2 2 2 2 | 14 2.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Atrophy | 1 | 1 1.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Inflammation | | 3 1.0| Epithelium, Hyperplasia, Squamous | 2 1 | 5 1.8| Epithelium, Ulcer | | 1 2.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + A + + + + + + + + + + + + +| 48 | Mineralization | | 1 2.0| Necrosis | 1 | 2 1.5| |__________________________________________________________________________|____________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 3 2 | 5 2.4| Malformation | 1 1 1 1 1 1 1 1 | 15 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 1 | 8 1.0| Mineralization | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Hyperplasia | 2 2 2 2 2 | 9 2.1| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 64 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 2| 3| 2| 2| 2| 3| 6| 3| 2| 6| 2| 3| 2| 3| 6| 3| 3| 3| 3| 3| 3| 3| 3| | | 1| 0| 9| 0| 9| 9| 9| 1| 8| 1| 9| 6| 9| 0| 9| 0| 3| 0| 0| 1| 0| 0| 1| 0| 0| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 75 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 | | | Hypertrophy | 3 2 2 3 2 2 2 2 2 2 2 2 2 2 2 3 2 1| 32 2.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Hyperplasia | 2 | 1 2.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Parathyroid Gland | + + M + + + I + M + + A + + M M + + M + M + M + +| 35 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + A + + + + + + + + + + + + +| 48 | Cyst | 2 | 1 2.0| Pars Distalis, Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + A + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Granuloma Sperm | 2 | 1 2.0| Inflammation, Chronic | 2 | 1 2.0| |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ectasia | 3 | 1 3.0| Inflammation, Chronic | | 2 3.0| Inflammation, Suppurative | 3 | 3 3.3| |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Artery, Inflammation, Chronic Active | | 1 3.0| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 65 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 2| 3| 2| 2| 2| 3| 6| 3| 2| 6| 2| 3| 2| 3| 6| 3| 3| 3| 3| 3| 3| 3| 3| | | 1| 0| 9| 0| 9| 9| 9| 1| 8| 1| 9| 6| 9| 0| 9| 0| 3| 0| 0| 1| 0| 0| 1| 0| 0| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 75 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 | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Inflammation, Chronic | 3 2 | 2 2.5| |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Amyloid Deposition | | 1 3.0| Atrophy | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Lymph Node | + A | 1 | |__________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + A + + + + + + + M + M M + M| 36 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + M + + + + + + M + + M + M M| 38 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Infiltration Cellular, Plasma Cell | | 1 4.0| Pigmentation | | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + M + + + + + + + + M A + + + M + + + M M + + + M| 39 | Inflammation, Granulomatous | | 1 1.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + A + + + + + + + + + + + + +| 48 | Hematopoietic Cell Proliferation | | 2 3.0| |__________________________________________________________________________|____________| Thymus | + M + + + + M + M + + A + + + + + + + + + M + + +| 41 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 66 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 2| 3| 2| 2| 2| 3| 6| 3| 2| 6| 2| 3| 2| 3| 6| 3| 3| 3| 3| 3| 3| 3| 3| | | 1| 0| 9| 0| 9| 9| 9| 1| 8| 1| 9| 6| 9| 0| 9| 0| 3| 0| 0| 1| 0| 0| 1| 0| 0| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 75 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 | | | Infiltration Cellular, Mixed Cell | 2 | 1 2.0| Inflammation, Chronic Active | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 2.0| Inflammation, Granulomatous | 1 | 1 1.0| Mineralization | | 1 2.0| Thrombosis | | 3 2.0| Alveolar Epithelium, Hyperplasia | 1 3 2 1 | 4 1.8| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Amyloid Deposition | | 1 4.0| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + A + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 3 2 | 3 2.7| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 67 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 2| 3| 2| 2| 2| 3| 6| 3| 2| 6| 2| 3| 2| 3| 6| 3| 3| 3| 3| 3| 3| 3| 3| | | 1| 0| 9| 0| 9| 9| 9| 1| 8| 1| 9| 6| 9| 0| 9| 0| 3| 0| 0| 1| 0| 0| 1| 0| 0| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 75 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 | | | Zymbal's Gland | + M + + + M + + + + M M + + + + + + + M + + + M M| 35 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Amyloid Deposition | | 1 4.0| Cyst | 2 | 1 2.0| Infarct | 2 2 2 | 3 2.0| Inflammation, Chronic, Suppurative | | 1 2.0| Metaplasia, Osseous | 1 1| 6 1.2| Mineralization | | 1 1.0| Nephropathy | 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 4 2 1 1| 40 1.4| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + A + + + + + + + + + + + + +| 48 | Artery, Inflammation, Chronic Active | | 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 68 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 3| 2| 2| 3| 3| 2| 2| 2| 3| 3| 3| 3| 3| 6| 3| 2| 3| 6| 3| 3| 3| 3| 3| | 1| 9| 0| 9| 9| 1| 1| 9| 9| 9| 1| 0| 0| 1| 0| 4| 1| 9| 0| 2| 0| 0| 0| 0| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 300 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + M I + A + M + + + + M + M + + + A + + + + M| Degeneration, Hyaline | | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + A + + + + + + + + + + + + A + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + A + + + + + + + + + + + + A + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + A + + + + + + + + + + + + A + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + A + + + + + + + + + + + + A + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + A + + + + + + + + + + + + A + + + + +| Infiltration Cellular, Mixed Cell | 2 | Necrosis | 2 | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + A + + + + + + + + + + + + A + + + + +| Infiltration Cellular, Mixed Cell | | Inflammation, Acute | 3 | Inflammation, Chronic Active | 2 | Necrosis | 1 | |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X | Clear Cell Focus | X X X X X X X X X X | Eosinophilic Focus | X X X X X X X X | Hematopoietic Cell Proliferation | | Infarct | 3 | Inflammation, Granulomatous | 1 1 1 1 1 | Tension Lipidosis | 2 2 | Centrilobular, Necrosis | | Hepatocyte, Multinucleated | 1 1 1 1 1 1 1 1 1 1 | |__________________________________________________________________________| Mesentery | + + + + + | Inflammation, Granulomatous | 2 2 | Artery, Inflammation | | __________________________________________|__________________________________________________________________________| Page 69 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 3| 2| 2| 3| 3| 2| 2| 2| 3| 3| 3| 3| 3| 6| 3| 2| 3| 6| 3| 3| 3| 3| 3| | 1| 9| 0| 9| 9| 1| 1| 9| 9| 9| 1| 0| 0| 1| 0| 4| 1| 9| 0| 2| 0| 0| 0| 0| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 300 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Fat, Necrosis | 2 2 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | Inflammation | 1 1 1 1 1 2 1 | Artery, Inflammation, Chronic Active | | Epithelium, Hyperplasia, Squamous | 2 2 2 2 2 3 | Epithelium, Ulcer | 2 3 1 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | | Necrosis | | |__________________________________________________________________________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 3 | Malformation | 1 1 2 1 1 1 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 3 1 2 1 1 | Thrombosis | | Artery, Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 2 2 2 2 2 | Hypertrophy | 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________|__________________________________________________________________________| Page 70 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 3| 2| 2| 3| 3| 2| 2| 2| 3| 3| 3| 3| 3| 6| 3| 2| 3| 6| 3| 3| 3| 3| 3| | 1| 9| 0| 9| 9| 1| 1| 9| 9| 9| 1| 0| 0| 1| 0| 4| 1| 9| 0| 2| 0| 0| 0| 0| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 300 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 | | Infiltration Cellular, | | Polymorphonuclear | | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + M + + M + + + M + + + + + + + + + + + M + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 1 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + M + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | | Inflammation, Chronic | 2 | Inflammation, Suppurative | | |__________________________________________________________________________| Prostate | + + + + + + A + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Artery, Inflammation, Chronic Active | | |__________________________________________________________________________| Seminal Vesicle | + + + + + + A + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 71 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 3| 2| 2| 3| 3| 2| 2| 2| 3| 3| 3| 3| 3| 6| 3| 2| 3| 6| 3| 3| 3| 3| 3| | 1| 9| 0| 9| 9| 1| 1| 9| 9| 9| 1| 0| 0| 1| 0| 4| 1| 9| 0| 2| 0| 0| 0| 0| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 300 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 | + | |__________________________________________________________________________| Lymph Node, Bronchial | + + + M M + + M + + + M + M + + M + + + + + + + +| |__________________________________________________________________________| Lymph Node, Mandibular | + + M + M + M + M M + + + + + M M + M + + M + + M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + M + + + + + + +| Angiectasis | | Infiltration Cellular, Plasma Cell | 3 3 | |__________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + M + + + + + + M M + + + + + M| |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 | |__________________________________________________________________________| Thymus | + + + + + M M + + + + + + + + M + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | | __________________________________________|__________________________________________________________________________| Page 72 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 3| 2| 2| 3| 3| 2| 2| 2| 3| 3| 3| 3| 3| 6| 3| 2| 3| 6| 3| 3| 3| 3| 3| | 1| 9| 0| 9| 9| 1| 1| 9| 9| 9| 1| 0| 0| 1| 0| 4| 1| 9| 0| 2| 0| 0| 0| 0| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 300 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 | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Alveolar Epithelium, Hyperplasia | 1 1 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 | Olfactory Epithelium, Atrophy | | Respiratory Epithelium, Necrosis | | |__________________________________________________________________________| Pleura | | Necrosis, Fatty | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Hyaline | | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Cornea, Inflammation, Chronic Active | 1 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 | |__________________________________________________________________________| Zymbal's Gland | + + + + M + M + M + M + + + + M + M + M + + + M M| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 2 | Infarct | 2 2 2 | Metaplasia, Osseous | | Nephropathy | 1 1 1 1 1 1 2 2 1 1 4 1 2 1 4 1 1 2 2 1 1 1| Artery, Inflammation, Chronic Active | | Papilla, Inflammation, Suppurative | 2 | Pelvis, Dilatation | 1 | Renal Tubule, Hyperplasia | 1 | __________________________________________|__________________________________________________________________________| Page 73 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 3| 2| 2| 3| 3| 2| 2| 2| 3| 3| 3| 3| 3| 6| 3| 2| 3| 6| 3| 3| 3| 3| 3| | 1| 9| 0| 9| 9| 1| 1| 9| 9| 9| 1| 0| 0| 1| 0| 4| 1| 9| 0| 2| 0| 0| 0| 0| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 300 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 | | |__________________________________________________________________________| Urinary Bladder | + + + + + + A + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Artery, Inflammation, Chronic Active | 2 | __________________________________________|__________________________________________________________________________ Page 74 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 6| 7| 4| 4| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 3| 2| 2| 2| 2| 2| 2| 0| 3| 4| 3| 3| 3| 2| 4| 3| 6| 5| 0| 3| 2| 3| 3| 3| | | 6| 0| 9| 9| 9| 9| 9| 9| 6| 0| 1| 0| 1| 0| 9| 2| 0| 3| 1| 2| 0| 9| 0| 0| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 300 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 | |__________________________________________________________________________|____________| Gallbladder | + + + + M + + + + + + + + + + + + + + A + + + I +| 39 | Degeneration, Hyaline | 1 2 | 2 1.5| |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + A + + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + A + + + + + +| 47 | Infiltration Cellular, Mixed Cell | 3 | 2 2.5| Necrosis | | 1 2.0| |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + A A + + + + +| 46 | Infiltration Cellular, Mixed Cell | 2 2 | 2 2.0| Inflammation, Acute | | 1 3.0| Inflammation, Chronic Active | | 1 2.0| Necrosis | | 1 1.0| |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X X X X| 16 | Clear Cell Focus | X X X X X X | 16 | Eosinophilic Focus | X X X | 11 | Hematopoietic Cell Proliferation | 1 | 1 1.0| Infarct | | 1 3.0| Inflammation, Granulomatous | 2 1 1 1 1 1 | 11 1.1| Tension Lipidosis | 2 1 | 4 1.8| Centrilobular, Necrosis | 3 | 1 3.0| Hepatocyte, Multinucleated | 1 1 1 1 1 1 1 1 1 1 1 1 1 1| 24 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 75 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 6| 7| 4| 4| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 3| 2| 2| 2| 2| 2| 2| 0| 3| 4| 3| 3| 3| 2| 4| 3| 6| 5| 0| 3| 2| 3| 3| 3| | | 6| 0| 9| 9| 9| 9| 9| 9| 6| 0| 1| 0| 1| 0| 9| 2| 0| 3| 1| 2| 0| 9| 0| 0| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 300 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 | | | |__________________________________________________________________________|____________| Mesentery | + + + + + + + + | 13 | Inflammation, Granulomatous | 2 3 | 4 2.3| Artery, Inflammation | 3 | 1 3.0| Fat, Necrosis | 2 2 2 2 | 7 2.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperkeratosis | 2 | 1 2.0| Inflammation | 1 1 | 9 1.1| Artery, Inflammation, Chronic Active | 3 | 1 3.0| Epithelium, Hyperplasia, Squamous | 2 1 2 | 9 2.0| Epithelium, Ulcer | | 3 2.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 2 | 1 2.0| Necrosis | 1 | 1 1.0| |__________________________________________________________________________|____________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 2 2 | 4 2.3| Malformation | 1 4 1 1 1 1 1 1 | 15 1.3| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + | 1 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 1 1 1 2| 11 1.4| Thrombosis | 3 | 1 3.0| Artery, Inflammation, Chronic Active | 2 2 3| 3 2.3| _____________________________________________________________________________________________________________________| | _____________________________________________________________________________________________________________________|____________| * : 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 76 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 6| 7| 4| 4| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 3| 2| 2| 2| 2| 2| 2| 0| 3| 4| 3| 3| 3| 2| 4| 3| 6| 5| 0| 3| 2| 3| 3| 3| | | 6| 0| 9| 9| 9| 9| 9| 9| 6| 0| 1| 0| 1| 0| 9| 2| 0| 3| 1| 2| 0| 9| 0| 0| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 300 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 | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 2 2 3 2 2 2| 14 2.1| Hypertrophy | 2 2 2 2 2 2 2 2 2 2 2 1 2 2 | 29 1.9| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + M + + + + + +| 49 | Hyperplasia | | 1 2.0| Infiltration Cellular, | | | Polymorphonuclear | 3 | 1 3.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Parathyroid Gland | M M + M M + + + + M + + + + + + + + + M M M M + +| 37 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Hyperplasia | 2 2 2 | 4 1.8| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Follicular Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ectasia | 3 | 1 3.0| Inflammation, Chronic | 3 | 2 2.5| Inflammation, Suppurative | 3 1 | 2 2.0| |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + I + + + + + + I +| 47 | Inflammation, Suppurative | 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 77 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 6| 7| 4| 4| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 3| 2| 2| 2| 2| 2| 2| 0| 3| 4| 3| 3| 3| 2| 4| 3| 6| 5| 0| 3| 2| 3| 3| 3| | | 6| 0| 9| 9| 9| 9| 9| 9| 6| 0| 1| 0| 1| 0| 9| 2| 0| 3| 1| 2| 0| 9| 0| 0| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 300 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 | | | Artery, Inflammation, Chronic Active | 3 | 1 3.0| |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic | 3 | 1 3.0| |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 1 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + + + | 4 | |__________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + M + + + + + + M M M + + + M + M + M + M +| 36 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + M + + + M + M M M + + + M + + + + M M + M M + +| 30 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | 3 | 1 3.0| Infiltration Cellular, Plasma Cell | 3 3 | 4 3.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + M + + + M + + + + + + + + + M + + + + +| 43 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hematopoietic Cell Proliferation | 2 | 2 2.5| |__________________________________________________________________________|____________| Thymus | + + + M + + + + M + + M M + + M M M M + + + + + +| 39 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M M M M M M M M M + M M M + M M| 2 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 78 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 6| 7| 4| 4| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 3| 2| 2| 2| 2| 2| 2| 0| 3| 4| 3| 3| 3| 2| 4| 3| 6| 5| 0| 3| 2| 3| 3| 3| | | 6| 0| 9| 9| 9| 9| 9| 9| 6| 0| 1| 0| 1| 0| 9| 2| 0| 3| 1| 2| 0| 9| 0| 0| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 300 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 | | | Inflammation, Chronic Active | 3 4 2 2 4 4| 6 3.2| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Inflammation, Chronic Active | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Inflammation, Chronic Active | 3 | 1 3.0| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 3 | 1 3.0| Alveolar Epithelium, Hyperplasia | 3 1 | 4 1.5| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 2 3 2 | 4 2.0| Olfactory Epithelium, Atrophy | 3 | 1 3.0| Respiratory Epithelium, Necrosis | 4 | 1 4.0| |__________________________________________________________________________|____________| Pleura | + | 1 | Necrosis, Fatty | 1 | 1 1.0| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Degeneration, Hyaline | 3 | 1 3.0| Inflammation, Suppurative | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 79 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 6| 7| 4| 4| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 3| 2| 2| 2| 2| 2| 2| 0| 3| 4| 3| 3| 3| 2| 4| 3| 6| 5| 0| 3| 2| 3| 3| 3| | | 6| 0| 9| 9| 9| 9| 9| 9| 6| 0| 1| 0| 1| 0| 9| 2| 0| 3| 1| 2| 0| 9| 0| 0| 1| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 300 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 | | | Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cornea, Inflammation, Chronic Active | | 1 1.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 3 3 | 5 2.4| |__________________________________________________________________________|____________| Zymbal's Gland | + M + + + + + + M + + M + + + + + + + M + + + M +| 36 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 2 2.0| Infarct | | 3 2.0| Metaplasia, Osseous | 2 1| 2 1.5| Nephropathy | 1 1 2 1 2 1 1 1 2 1 1 3 1 1 1 4 2 3 2 1 1 1 | 44 1.5| Artery, Inflammation, Chronic Active | 2 2 | 2 2.0| Papilla, Inflammation, Suppurative | | 1 2.0| Pelvis, Dilatation | | 1 1.0| Renal Tubule, Hyperplasia | | 1 1.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 3 | 1 3.0| Artery, Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 80 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 6| 7| 7| DAY ON TEST | 2| 3| 3| 3| 2| 0| 3| 3| 0| 4| 3| 2| 3| 3| 3| 2| 2| 9| 3| 3| 2| 3| 4| 3| 3| | 9| 1| 1| 1| 9| 0| 0| 0| 5| 3| 1| 9| 0| 0| 0| 9| 9| 9| 0| 2| 9| 0| 2| 0| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 1200 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | M + + + + + I I + I + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + A + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + A + I + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + M + + + + A + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + A + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + A + + + + + + + A + + + + + + +| Infiltration Cellular, Mixed Cell | 2 | |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Clear Cell Focus | X X X X X X X X X | Eosinophilic Focus | X X X X 3 X X X X X X X X X X X X X| Fatty Change | 2 1| Infarct | 2 4 | Inflammation, Granulomatous | 1 2 1| Mixed Cell Focus | X X | Tension Lipidosis | 2 | Hepatocyte, Multinucleated | 1 1 2 1 2 2 2 1 2 2 2 2 2 1 2 2 2 2 2 2 2 3 2| |__________________________________________________________________________| Mesentery | + + + + + | Inflammation, Granulomatous | | Artery, Inflammation | | Fat, Necrosis | 2 2 2 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 81 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 6| 7| 7| DAY ON TEST | 2| 3| 3| 3| 2| 0| 3| 3| 0| 4| 3| 2| 3| 3| 3| 2| 2| 9| 3| 3| 2| 3| 4| 3| 3| | 9| 1| 1| 1| 9| 0| 0| 0| 5| 3| 1| 9| 0| 0| 0| 9| 9| 9| 0| 2| 9| 0| 2| 0| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 1200 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 | | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 2 | Inflammation | 1 2 | Ulcer | 1 | Epithelium, Hyperplasia, Squamous | 3 | Epithelium, Ulcer | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + A + + + + + + +| Mineralization | | |__________________________________________________________________________| Tongue | + | |__________________________________________________________________________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 2 1 2 2 1 | Malformation | 1 1 1 1 1 1 1 1 1 2| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 | Thrombosis | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 1 2 | Hypertrophy | 1 1 1 2 1 2 1 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + M + + + M + + M + M + + + + + M + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 2 | __________________________________________|__________________________________________________________________________| Page 82 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 6| 7| 7| DAY ON TEST | 2| 3| 3| 3| 2| 0| 3| 3| 0| 4| 3| 2| 3| 3| 3| 2| 2| 9| 3| 3| 2| 3| 4| 3| 3| | 9| 1| 1| 1| 9| 0| 0| 0| 5| 3| 1| 9| 0| 0| 0| 9| 9| 9| 0| 2| 9| 0| 2| 0| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 1200 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 | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Coagulating Gland | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 2 1 | Inflammation, Suppurative | | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Germinal Epithelium, Degeneration | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Thrombosis | 2 | |__________________________________________________________________________| Lymph Node | + | |__________________________________________________________________________| Lymph Node, Bronchial | + + + + M + + + + M + + + + + + M + + + + + + M M| |__________________________________________________________________________| Lymph Node, Mandibular | M M + M M M + M M + + M M + M + + + + + + + + + +| Infiltration Cellular, Plasma Cell | | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + M + M + + + + M + + + + + M + + +| __________________________________________|__________________________________________________________________________| Page 83 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 6| 7| 7| DAY ON TEST | 2| 3| 3| 3| 2| 0| 3| 3| 0| 4| 3| 2| 3| 3| 3| 2| 2| 9| 3| 3| 2| 3| 4| 3| 3| | 9| 1| 1| 1| 9| 0| 0| 0| 5| 3| 1| 9| 0| 0| 0| 9| 9| 9| 0| 2| 9| 0| 2| 0| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 1200 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 | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hematopoietic Cell Proliferation | | Hyperplasia, Lymphoid | 2 | |__________________________________________________________________________| Thymus | + + M + + M M M + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M + M M M M M M| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 3 | Epidermis, Hyperplasia | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 1 | Inflammation, Granulomatous | 3 | Alveolus, Infiltration Cellular, | | Histiocyte | 2 1 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 | Respiratory Epithelium, Metaplasia, | | Squamous | 1 | __________________________________________|__________________________________________________________________________| Page 84 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 6| 7| 7| DAY ON TEST | 2| 3| 3| 3| 2| 0| 3| 3| 0| 4| 3| 2| 3| 3| 3| 2| 2| 9| 3| 3| 2| 3| 4| 3| 3| | 9| 1| 1| 1| 9| 0| 0| 0| 5| 3| 1| 9| 0| 0| 0| 9| 9| 9| 0| 2| 9| 0| 2| 0| 0| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 1200 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 | | Respiratory Epithelium, Necrosis | 1 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Cornea, Erosion | 1 | Cornea, Hyperplasia, Squamous | | Cornea, Inflammation, Chronic Active | | Cornea, Mineralization | 1 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Lacrimal Gland | + | |__________________________________________________________________________| Zymbal's Gland | + + + + + M + M M + + + + + + + M M M + M M + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | 3 2 3 | Inflammation, Chronic, Suppurative | | Nephropathy | 1 1 1 2 1 1 2 1 1 2 1 1 2 2 1 2 1 1| Artery, Inflammation, Chronic Active | | Pelvis, Dilatation | | Transitional Epithelium, Hyperplasia | 2 2 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 85 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 3| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 2| 2| 2| 7| 3| 2| 3| 2| 2| 3| 1| 2| 2| 3| 3| 3| 3| 2| 6| 3| 2| 3| 3| 2| | | 9| 7| 9| 5| 2| 0| 9| 0| 9| 9| 1| 1| 6| 9| 1| 1| 7| 0| 9| 0| 0| 9| 1| 1| 9| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 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 | 1200 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 | |__________________________________________________________________________|____________| Gallbladder | + + + I + + + + + + + + A + + M + I + + + M + + +| 40 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + A + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + I + + + + + + + + + A + + + + +| 46 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + A + + + + + + + A + + + + + + A + + + + +| 44 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + A + + + + + + + A + + + + + + A + + + + +| 45 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + A + + + + + + A + + + + +| 46 | Infiltration Cellular, Mixed Cell | | 1 2.0| |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X | 4 | Clear Cell Focus | X X X X X X X X | 17 | Eosinophilic Focus | X X X X X X X X X X X | 29 3.0| Fatty Change | | 2 1.5| Infarct | 3 | 3 3.0| Inflammation, Granulomatous | | 3 1.3| Mixed Cell Focus | X X | 4 | Tension Lipidosis | 2 | 2 2.0| Hepatocyte, Multinucleated | 2 2 1 1 2 1 2 2 2 2 2 2 1 2 2 1 2 2 2 2 2 2 2| 46 1.8| |__________________________________________________________________________|____________| Mesentery | + + + + + + | 11 | Inflammation, Granulomatous | 2 | 1 2.0| Artery, Inflammation | 2 3 | 2 2.5| Fat, Necrosis | 2 3 2 | 7 2.1| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 86 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 3| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 2| 2| 2| 7| 3| 2| 3| 2| 2| 3| 1| 2| 2| 3| 3| 3| 3| 2| 6| 3| 2| 3| 3| 2| | | 9| 7| 9| 5| 2| 0| 9| 0| 9| 9| 1| 1| 6| 9| 1| 1| 7| 0| 9| 0| 0| 9| 1| 1| 9| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 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 | 1200 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 | | | Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | 2 | 1 2.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | | 1 2.0| Inflammation | 1 1 2 1 1 1 1| 9 1.2| Ulcer | | 1 1.0| Epithelium, Hyperplasia, Squamous | 2 1 1 2 2 1| 7 1.7| Epithelium, Ulcer | 1 1 1 | 3 1.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | Mineralization | 1 | 1 1.0| |__________________________________________________________________________|____________| Tongue | | 1 | |__________________________________________________________________________|____________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 2 1 2 2 2 2 2 2 2| 15 1.7| Malformation | 1 1 1 1 2 1 | 16 1.1| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 1 1 1| 7 1.0| Thrombosis | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 2 2 | 7 1.7| Hypertrophy | 2 1 2 1 2 1 2 2 2 2| 18 1.5| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + 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 87 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 3| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 2| 2| 2| 7| 3| 2| 3| 2| 2| 3| 1| 2| 2| 3| 3| 3| 3| 2| 6| 3| 2| 3| 3| 2| | | 9| 7| 9| 5| 2| 0| 9| 0| 9| 9| 1| 1| 6| 9| 1| 1| 7| 0| 9| 0| 0| 9| 1| 1| 9| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 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 | 1200 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 | | | Hyperplasia | | 2 2.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + M + M + + + + + + + M + + + + + M I + + +| 40 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + I + + M + + + + + + + + + + + + +| 48 | Pars Distalis, Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + I + + + +| 49 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Coagulating Gland | + | 1 | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | | 2 1.5| Inflammation, Suppurative | 2 3 | 2 2.5| |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Seminal Vesicle | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Germinal Epithelium, Degeneration | 2| 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 88 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 3| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 2| 2| 2| 7| 3| 2| 3| 2| 2| 3| 1| 2| 2| 3| 3| 3| 3| 2| 6| 3| 2| 3| 3| 2| | | 9| 7| 9| 5| 2| 0| 9| 0| 9| 9| 1| 1| 6| 9| 1| 1| 7| 0| 9| 0| 0| 9| 1| 1| 9| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 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 | 1200 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 | | | Thrombosis | | 1 2.0| |__________________________________________________________________________|____________| Lymph Node | | 1 | |__________________________________________________________________________|____________| Lymph Node, Bronchial | + + M M M + + M M M + M M + M M + + + + + + + + +| 35 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + M + M M + + M + M M M M M M + + + M M M M + M| 25 | Infiltration Cellular, Plasma Cell | 4 | 1 4.0| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + + M M M + + + + + + M + + M M M M M M + + + + +| 36 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 | 1 2.0| Hematopoietic Cell Proliferation | 2 2| 2 2.0| Hyperplasia, Lymphoid | | 1 2.0| |__________________________________________________________________________|____________| Thymus | + + + + M + + + + + + M + + + + + M + + + + M M M| 40 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| 1 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 3 3 2| 5 2.8| Epidermis, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 89 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 3| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 2| 2| 2| 7| 3| 2| 3| 2| 2| 3| 1| 2| 2| 3| 3| 3| 3| 2| 6| 3| 2| 3| 3| 2| | | 9| 7| 9| 5| 2| 0| 9| 0| 9| 9| 1| 1| 6| 9| 1| 1| 7| 0| 9| 0| 0| 9| 1| 1| 9| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 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 | 1200 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| | _____________________________________________________________________________________________________________________|____________| NERVOUS SYSTEM - cont | | | Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 1.0| Inflammation, Granulomatous | | 1 3.0| Alveolus, Infiltration Cellular, | | | Histiocyte | | 2 1.5| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 1 1 3 1 2 | 6 1.5| Respiratory Epithelium, Metaplasia, | | | Squamous | | 1 1.0| Respiratory Epithelium, Necrosis | | 1 1.0| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cornea, Erosion | | 1 1.0| Cornea, Hyperplasia, Squamous | 2 | 1 2.0| Cornea, Inflammation, Chronic Active | 2 | 1 2.0| Cornea, Mineralization | 2 2 | 3 1.7| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 1 3.0| |__________________________________________________________________________|____________| Lacrimal Gland | + | 2 | |__________________________________________________________________________|____________| Zymbal's Gland | M M M M M + + + + M + + + M + M M + + M + + + + +| 32 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 90 NTP Experiment-Test: 90004-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 01/02/02 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 09:12:19 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 3| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 2| 2| 2| 7| 3| 2| 3| 2| 2| 3| 1| 2| 2| 3| 3| 3| 3| 2| 6| 3| 2| 3| 3| 2| | | 9| 7| 9| 5| 2| 0| 9| 0| 9| 9| 1| 1| 6| 9| 1| 1| 7| 0| 9| 0| 0| 9| 1| 1| 9| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 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 | 1200 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| | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | 3 3 2 2 | 7 2.6| Inflammation, Chronic, Suppurative | 4 | 1 4.0| Nephropathy | 2 2 2 2 1 1 1 1 1 1 1 1 2 1 1 2 1 2| 36 1.4| Artery, Inflammation, Chronic Active | 3 | 1 3.0| Pelvis, Dilatation | 2 3| 2 2.5| Transitional Epithelium, Hyperplasia | | 2 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 91 ------------------------------------------------------------ ---------- END OF REPORT ---------- 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