TDMS Study 90004-07 Pathology Tables
NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 FINAL#2/RATS 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: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 5| 3| 6| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 0| 3| 8| 8| 4| 3| 3| 3| 3| 7| 3| 3| 3| 3| 5| 3| 1| 3| 3| 3| 3| 3| 3| 3| | 2| 2| 7| 0| 7| 2| 1| 1| 1| 1| 0| 1| 1| 2| 2| 8| 2| 5| 1| 2| 1| 2| 1| 1| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + A + + + + + + +| Angiectasis | 3 | Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X| Clear Cell Focus | X X X X X X X | Eosinophilic Focus | X | Hepatodiaphragmatic Nodule | 4 4 4 4 | Infarct | | Inflammation, Granulomatous | | Vacuolization Cytoplasmic | 4 | Bile Duct, Dilatation | | Serosa, Hemorrhage | 3 | |__________________________________________________________________________| Mesentery | + + + + + + + | Necrosis | 3 2 3 1 1 3 2 | Fat, Hemorrhage | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________|__________________________________________________________________________| Page 2 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 5| 3| 6| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 0| 3| 8| 8| 4| 3| 3| 3| 3| 7| 3| 3| 3| 3| 5| 3| 1| 3| 3| 3| 3| 3| 3| 3| | 2| 2| 7| 0| 7| 2| 1| 1| 1| 1| 0| 1| 1| 2| 2| 8| 2| 5| 1| 2| 1| 2| 1| 1| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Ulcer | 4 | |__________________________________________________________________________| Tongue | + | Epithelium, Hyperplasia | | |__________________________________________________________________________| Tooth | + | Peridontal Tissue, Inflammation | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + A + + + + + + +| Degeneration, Cystic | 4 | Hyperplasia | | Metaplasia, Osseous | | Vacuolization Cytoplasmic | 4 3 1 2 3 1 1 2 2 2 1| |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + A + + + + + + +| Hyperplasia | 4 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + A + + + + + + +| Angiectasis | 4 3 | Hemorrhage | | Hyperplasia | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + A + + + + + + +| C-Cell, Hyperplasia | 3 1 1 1 1 2| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | __________________________________________|__________________________________________________________________________| Page 3 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 5| 3| 6| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 0| 3| 8| 8| 4| 3| 3| 3| 3| 7| 3| 3| 3| 3| 5| 3| 1| 3| 3| 3| 3| 3| 3| 3| | 2| 2| 7| 0| 7| 2| 1| 1| 1| 1| 0| 1| 1| 2| 2| 8| 2| 5| 1| 2| 1| 2| 1| 1| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENERAL BODY SYSTEM - cont | | |__________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | 3 | |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Decidual Reaction | 4 | Hemorrhage, Chronic | | Hemorrhage | | |__________________________________________________________________________| Vagina | + | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Lymph Node | + + + | Deep Cervical, Inflammation, Chronic | | |__________________________________________________________________________| Lymph Node, Bronchial | M M M M M M M M M M M M M + M M M + M M M M M M M| Angiectasis | | |__________________________________________________________________________| Lymph Node, Mandibular | M M M M M M M M M M M M M M + M M M M M M M M M M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + M + M| Angiectasis | | Infiltration Cellular, Histiocyte | 3 | Pigmentation | 3 3 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 4 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 5| 3| 6| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 0| 3| 8| 8| 4| 3| 3| 3| 3| 7| 3| 3| 3| 3| 5| 3| 1| 3| 3| 3| 3| 3| 3| 3| | 2| 2| 7| 0| 7| 2| 1| 1| 1| 1| 0| 1| 1| 2| 2| 8| 2| 5| 1| 2| 1| 2| 1| 1| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Spleen | + + + + + + + + + + + + + + + + + A + + + + + + +| Accessory Spleen | X | Hemorrhage | 4 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + A + + + + + + M| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Maxilla, Necrosis | 4 | |__________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + A + + + + + + +| Compression | 4 X 3 3 | Hemorrhage | 3 3 | |__________________________________________________________________________| Peripheral Nerve | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + A + + + + + + +| Foreign Body | | Inflammation, Suppurative | 2 | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Chronic | 1 2 1 1 | Thrombosis | 2 | __________________________________________|__________________________________________________________________________| Page 5 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 5| 3| 6| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 0| 3| 8| 8| 4| 3| 3| 3| 3| 7| 3| 3| 3| 3| 5| 3| 1| 3| 3| 3| 3| 3| 3| 3| | 2| 2| 7| 0| 7| 2| 1| 1| 1| 1| 0| 1| 1| 2| 2| 8| 2| 5| 1| 2| 1| 2| 1| 1| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Alveolar Epithelium, Hyperplasia | 2 1 | Alveolus, Infiltration Cellular, | | Histiocyte | 1 1 1 1 2 1 2 2 1 | Alveolus, Proteinosis | 2 1 | Bronchiole, Hyperplasia | | Interstitium, Fibrosis | 1 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + A + + + + + + +| Foreign Body | 3 3 | Inflammation, Suppurative | 4 2 2 2 | Nasolacrimal Duct, Inflammation, | | Suppurative | | Olfactory Epithelium, Degeneration, | | Hyaline | 1 1 1 2 1 3 4 | Respiratory Epithelium, Hyperplasia | 3 2 | |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 1 1 2 3 1 2 1 2| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + A + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | + | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + A + + + + + + +| Phthisis Bulbi | | Lens, Cataract | 3 | Sclera, Inflammation, Suppurative | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Zymbal's Gland | + M + + + + M + + + + + M + + + + + + + + + M + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + A + + + + + + +| Nephropathy, Chronic | 2 1 1 1 1 1 1 2 1 1 2 3 2 1 1 1 1 1 1 3 3 2 1| __________________________________________|__________________________________________________________________________| Page 6 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 5| 3| 6| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 0| 3| 8| 8| 4| 3| 3| 3| 3| 7| 3| 3| 3| 3| 5| 3| 1| 3| 3| 3| 3| 3| 3| 3| | 2| 2| 7| 0| 7| 2| 1| 1| 1| 1| 0| 1| 1| 2| 2| 8| 2| 5| 1| 2| 1| 2| 1| 1| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Cortex, Renal Tubule, Accumulation, | | Hyaline Droplet | 4 | Pelvis, Mineralization | 1 1 1 1 1 1 1 1 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + A + + + + + + +| Hemorrhage | 3 | Transitional Epithelium, Hyperplasia | 1 | __________________________________________|__________________________________________________________________________ Page 7 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 2| 6| 6| 5| 7| 7| 1| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 8| 1| 3| 3| 1| 3| 3| 3| 8| 8| 2| 9| 3| 3| 7| 0| 3| 3| 3| 3| | | 2| 1| 2| 0| 0| 7| 8| 1| 2| 5| 1| 2| 0| 4| 4| 5| 3| 0| 1| 1| 8| 1| 0| 1| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + A + + + + + + + + + A + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + A + + + + + + + + + A + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + A + + + + + + + + + A + + + + +| 47 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | | 1 3.0| Basophilic Focus | X X X X X X X X X X X X X X X X X X| 39 | Clear Cell Focus | X X X X X | 12 | Eosinophilic Focus | | 1 | Hepatodiaphragmatic Nodule | 4 4 4 4| 8 4.0| Infarct | 4 | 1 4.0| Inflammation, Granulomatous | 2 | 1 2.0| Vacuolization Cytoplasmic | 3 1 | 3 2.7| Bile Duct, Dilatation | 4 | 1 4.0| Serosa, Hemorrhage | | 1 3.0| |__________________________________________________________________________|____________| Mesentery | + + + + + + + + + + | 17 | Necrosis | 2 2 3 3 3 3 3 3 3 3 | 17 2.5| Fat, Hemorrhage | 3 | 1 3.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 8 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 2| 6| 6| 5| 7| 7| 1| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 8| 1| 3| 3| 1| 3| 3| 3| 8| 8| 2| 9| 3| 3| 7| 0| 3| 3| 3| 3| | | 2| 1| 2| 0| 0| 7| 8| 1| 2| 5| 1| 2| 0| 4| 4| 5| 3| 0| 1| 1| 8| 1| 0| 1| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Ulcer | | 1 4.0| |__________________________________________________________________________|____________| Tongue | + | 2 | Epithelium, Hyperplasia | 2 | 1 2.0| |__________________________________________________________________________|____________| Tooth | | 1 | Peridontal Tissue, Inflammation | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Degeneration, Cystic | | 1 4.0| Hyperplasia | 2 2 | 2 2.0| Metaplasia, Osseous | 3 | 1 3.0| Vacuolization Cytoplasmic | 3 1 4 3| 15 2.2| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | | 1 4.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Pituitary 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 9 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 2| 6| 6| 5| 7| 7| 1| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 8| 1| 3| 3| 1| 3| 3| 3| 8| 8| 2| 9| 3| 3| 7| 0| 3| 3| 3| 3| | | 2| 1| 2| 0| 0| 7| 8| 1| 2| 5| 1| 2| 0| 4| 4| 5| 3| 0| 1| 1| 8| 1| 0| 1| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Angiectasis | 3 3 | 4 3.3| Hemorrhage | 4 | 1 4.0| Hyperplasia | 3 3 3 | 3 3.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | C-Cell, Hyperplasia | 2 1 1 | 9 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 3 3 | 2 3.0| Hyperplasia | 3 2 | 3 2.7| |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 4 2 1 2 | 6 2.8| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Decidual Reaction | | 1 4.0| Hemorrhage, Chronic | 4 | 1 4.0| Hemorrhage | 4 | 1 4.0| |__________________________________________________________________________|____________| Vagina | | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Lymph Node | + + | 5 | Deep Cervical, Inflammation, Chronic | 4 | 1 4.0| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 10 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 2| 6| 6| 5| 7| 7| 1| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 8| 1| 3| 3| 1| 3| 3| 3| 8| 8| 2| 9| 3| 3| 7| 0| 3| 3| 3| 3| | | 2| 1| 2| 0| 0| 7| 8| 1| 2| 5| 1| 2| 0| 4| 4| 5| 3| 0| 1| 1| 8| 1| 0| 1| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Lymph Node, Bronchial | + M M + M + + M M M M + M M M M + M M M + M M M M| 9 | Angiectasis | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | 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 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node, Mediastinal | M + + + + M + + + + M + + + + + + + + + M + + + M| 43 | Angiectasis | 4 1 4 | 3 3.0| Infiltration Cellular, Histiocyte | | 1 3.0| Pigmentation | 2 | 3 2.7| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Accessory Spleen | | 1 | Hemorrhage | | 1 4.0| |__________________________________________________________________________|____________| Thymus | + + + + + M + + + + + + + + + + + + + + M + + + M| 45 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ulcer | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Maxilla, Necrosis | | 1 4.0| |__________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | 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 11 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 2| 6| 6| 5| 7| 7| 1| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 8| 1| 3| 3| 1| 3| 3| 3| 8| 8| 2| 9| 3| 3| 7| 0| 3| 3| 3| 3| | | 2| 1| 2| 0| 0| 7| 8| 1| 2| 5| 1| 2| 0| 4| 4| 5| 3| 0| 1| 1| 8| 1| 0| 1| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| NERVOUS SYSTEM - cont | | | Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Compression | X | 5 3.3| Hemorrhage | 2 4 | 4 3.0| |__________________________________________________________________________|____________| Peripheral Nerve | + | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Foreign Body | 4 | 1 4.0| Inflammation, Suppurative | 3 2 2 | 4 2.3| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 4 | 1 4.0| Inflammation, Chronic | 1 2 1 1 2 | 9 1.3| Thrombosis | | 1 2.0| Alveolar Epithelium, Hyperplasia | 4 4 4 3 | 6 3.0| Alveolus, Infiltration Cellular, | | | Histiocyte | 2 2 1 2 1 1 | 15 1.4| Alveolus, Proteinosis | 2 1 | 4 1.5| Bronchiole, Hyperplasia | 2| 1 2.0| Interstitium, Fibrosis | 1 1 1 | 4 1.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Foreign Body | | 2 3.0| Inflammation, Suppurative | | 4 2.5| Nasolacrimal Duct, Inflammation, | | | Suppurative | 2 | 1 2.0| Olfactory Epithelium, Degeneration, | | | Hyaline | 3 2 1| 10 1.9| Respiratory Epithelium, Hyperplasia | | 2 2.5| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 2 2 2 1 1 1| 15 1.5| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 12 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 2| 6| 6| 5| 7| 7| 1| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 8| 1| 3| 3| 1| 3| 3| 3| 8| 8| 2| 9| 3| 3| 7| 0| 3| 3| 3| 3| | | 2| 1| 2| 0| 0| 7| 8| 1| 2| 5| 1| 2| 0| 4| 4| 5| 3| 0| 1| 1| 8| 1| 0| 1| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | | 1 | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Phthisis Bulbi | X | 1 | Lens, Cataract | | 1 3.0| Sclera, Inflammation, Suppurative | 4 | 1 4.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Zymbal's Gland | M + + + + + M + + + + + + + + + + + M + + + + M +| 42 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Nephropathy, Chronic | 1 1 1 3 1 1 1 1 2 1 1 2 1 2 2 3 1 1 1 2 2 2| 45 1.5| Cortex, Renal Tubule, Accumulation, | | | Hyaline Droplet | | 1 4.0| Pelvis, Mineralization | 1 1 1 1 2 | 13 1.1| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hemorrhage | | 1 3.0| Transitional Epithelium, Hyperplasia | | 1 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 13 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 5| 3| 0| 3| 7| 2| 3| 3| 8| 3| 3| 3| 8| 3| 3| | 0| 2| 2| 1| 1| 4| 1| 0| 2| 0| 6| 1| 8| 1| 6| 6| 2| 2| 3| 1| 2| 0| 1| 1| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + A + + + A + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + A + + + A + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + A + + + A + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X X| Clear Cell Focus | X X X X X X X | Fatty Change | | Hepatodiaphragmatic Nodule | 4 4 4 4 4 4 4 | Necrosis | 4 | Vacuolization Cytoplasmic | 4 2 4 | |__________________________________________________________________________| Mesentery | + + + + + + + + + + + + + | Necrosis | 3 3 3 3 2 2 4 1 2 3 3 3 4 | Fat, Hemorrhage | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | 4 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 14 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 5| 3| 0| 3| 7| 2| 3| 3| 8| 3| 3| 3| 8| 3| 3| | 0| 2| 2| 1| 1| 4| 1| 0| 2| 0| 6| 1| 8| 1| 6| 6| 2| 2| 3| 1| 2| 0| 1| 1| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 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| __________________________________________|__________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 3 | Atrium, Thrombosis | 4 4 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Vacuolization Cytoplasmic | 1 1 4 4 2 2 4| |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | M + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 2 | Hyperplasia | 1 2 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 3 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 4 | Hyperplasia | 4 4 | Inflammation, Chronic | | |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 15 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 5| 3| 0| 3| 7| 2| 3| 3| 8| 3| 3| 3| 8| 3| 3| | 0| 2| 2| 1| 1| 4| 1| 0| 2| 0| 6| 1| 8| 1| 6| 6| 2| 2| 3| 1| 2| 0| 1| 1| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 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| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Cyst | 4 4 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + | |__________________________________________________________________________| Lymph Node, Bronchial | M M M M M M M M M M M M M M M M M + M M M M M M M| |__________________________________________________________________________| Lymph Node, Mandibular | M M M M M M M M M M M M M M M M M M M M M M M + M| Ectasia | 4 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | Hemorrhage | | |__________________________________________________________________________| Lymph Node, Mediastinal | + + + + + M + + + + + + M + + + + + + M + + + + +| Angiectasis | 4 | Fibrosis | 3 | Hemorrhage | 3 | Infiltration Cellular, Histiocyte | 2 | Pigmentation | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | X | Degeneration | 1 | Necrosis | 4 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | 4 4 4 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 16 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 5| 3| 0| 3| 7| 2| 3| 3| 8| 3| 3| 3| 8| 3| 3| | 0| 2| 2| 1| 1| 4| 1| 0| 2| 0| 6| 1| 8| 1| 6| 6| 2| 2| 3| 1| 2| 0| 1| 1| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 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| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | | Inflammation, Chronic | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 3 | Tibia, Osteopetrosis | 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 3 X 3 | Hemorrhage | 1 4 | Hydrocephalus | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | | Inflammation, Suppurative | 1 | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Inflammation, Chronic | 1 | Alveolar Epithelium, Hyperplasia | 1 2 2| Alveolus, Infiltration Cellular, | | Histiocyte | 1 1 | Bronchiole, Hyperplasia | | Interstitium, Fibrosis | 2| |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + A + + + + + +| Foreign Body | 3 | Inflammation, Suppurative | 3 | Nasolacrimal Duct, Inflammation, | | Suppurative | 2 | Olfactory Epithelium, Degeneration, | | __________________________________________|__________________________________________________________________________| Page 17 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 5| 3| 0| 3| 7| 2| 3| 3| 8| 3| 3| 3| 8| 3| 3| | 0| 2| 2| 1| 1| 4| 1| 0| 2| 0| 6| 1| 8| 1| 6| 6| 2| 2| 3| 1| 2| 0| 1| 1| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 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 | | Hyaline | 2 2 1 1 1 1 1 3 2 3 | Respiratory Epithelium, Hyperplasia | 2 | |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 1 1| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | + | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Lens, Cataract | 2 4 3 | Lens, Mineralization | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Zymbal's Gland | + + + + + M + M + + + + + + + + M + + + + + + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 4 4 | Nephropathy, Chronic | 2 1 1 1 2 2 2 1 1 2 2 3 1 1 1 1 2 2 1 2 1 3| Cortex, Renal Tubule, Accumulation, | | Hyaline Droplet | 4 3 | Pelvis, Mineralization | | Pelvis, Transitional Epithelium, | | Hyperplasia | 2 1 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Transitional Epithelium, Hyperplasia | 3 | __________________________________________|__________________________________________________________________________ Page 18 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 4| 7| 7| 6| 7| 6| 7| 7| 7| 7| 6| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 2| 1| 3| 3| 5| 3| 4| 2| 3| 3| 3| 2| 3| 4| 2| | | 1| 2| 2| 2| 0| 1| 1| 0| 0| 1| 2| 0| 2| 2| 6| 2| 2| 6| 2| 1| 2| 1| 0| 2| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X X X| 45 | Clear Cell Focus | X X X X X X | 13 | Fatty Change | 2 | 1 2.0| Hepatodiaphragmatic Nodule | 4 4 4 | 10 4.0| Necrosis | | 1 4.0| Vacuolization Cytoplasmic | 3 | 4 3.3| |__________________________________________________________________________|____________| Mesentery | + + + + + + + + + + | 23 | Necrosis | 3 3 2 3 2 3 2 2 | 21 2.7| Fat, Hemorrhage | 3 | 1 3.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis | | 1 4.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 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: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 4| 7| 7| 6| 7| 6| 7| 7| 7| 7| 6| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 2| 1| 3| 3| 5| 3| 4| 2| 3| 3| 3| 2| 3| 4| 2| | | 1| 2| 2| 2| 0| 1| 1| 0| 0| 1| 2| 0| 2| 2| 6| 2| 2| 6| 2| 1| 2| 1| 0| 2| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | | | Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 3 2 | 3 2.7| Atrium, Thrombosis | | 2 4.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 4 | 1 4.0| Vacuolization Cytoplasmic | 1 4 2| 10 2.5| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + M + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 3 | 4 2.3| Hyperplasia | 4 3 4 3 | 6 2.8| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 4 1 1 2 3 | 8 2.1| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Tissue NOS | + | 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 20 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 4| 7| 7| 6| 7| 6| 7| 7| 7| 7| 6| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 2| 1| 3| 3| 5| 3| 4| 2| 3| 3| 3| 2| 3| 4| 2| | | 1| 2| 2| 2| 0| 1| 1| 0| 0| 1| 2| 0| 2| 2| 6| 2| 2| 6| 2| 1| 2| 1| 0| 2| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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| | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 | 3 4.0| Hyperplasia | 4 | 3 4.0| Inflammation, Chronic | 3 | 1 3.0| |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 4 4 | 5 4.0| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + | 3 | |__________________________________________________________________________|____________| Lymph Node, Bronchial | M M M M M M M M M M M M + M M + + M M M M M M M M| 4 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | M M M M M M M M M M M M M M M M + M M M M M M M M| 2 | Ectasia | | 1 4.0| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 3| 1 3.0| Hemorrhage | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + M + + + + + + + + + + + + + + + + + +| 46 | Angiectasis | | 1 4.0| Fibrosis | | 1 3.0| Hemorrhage | | 1 3.0| Infiltration Cellular, Histiocyte | 4 | 2 3.0| Pigmentation | 3 | 1 3.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 21 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 4| 7| 7| 6| 7| 6| 7| 7| 7| 7| 6| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 2| 1| 3| 3| 5| 3| 4| 2| 3| 3| 3| 2| 3| 4| 2| | | 1| 2| 2| 2| 0| 1| 1| 0| 0| 1| 2| 0| 2| 2| 6| 2| 2| 6| 2| 1| 2| 1| 0| 2| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | | | Accessory Spleen | 3 | 2 3.0| Degeneration | | 1 1.0| Necrosis | | 1 4.0| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | 4 4 4 4 | 7 4.0| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst Epithelial Inclusion | 4 | 1 4.0| Inflammation, Chronic | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Osteodystrophy | | 1 3.0| Tibia, Osteopetrosis | | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | 3 X 3 X 3 3| 9 3.0| Hemorrhage | 2 | 3 2.3| Hydrocephalus | | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | 4 | 1 4.0| Inflammation, Suppurative | 2 | 2 1.5| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 22 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 4| 7| 7| 6| 7| 6| 7| 7| 7| 7| 6| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 2| 1| 3| 3| 5| 3| 4| 2| 3| 3| 3| 2| 3| 4| 2| | | 1| 2| 2| 2| 0| 1| 1| 0| 0| 1| 2| 0| 2| 2| 6| 2| 2| 6| 2| 1| 2| 1| 0| 2| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 | 2 2.0| Inflammation, Chronic | 1 | 2 1.0| Alveolar Epithelium, Hyperplasia | 1 | 4 1.5| Alveolus, Infiltration Cellular, | | | Histiocyte | 1 1 1 1 1 1 1 | 9 1.0| Bronchiole, Hyperplasia | 1 | 1 1.0| Interstitium, Fibrosis | | 1 2.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Foreign Body | 3 | 2 3.0| Inflammation, Suppurative | 2 | 2 2.5| Nasolacrimal Duct, Inflammation, | | | Suppurative | | 1 2.0| Olfactory Epithelium, Degeneration, | | | Hyaline | 2 1 3 2 3 3 3 3 2 1 2 1| 22 2.0| Respiratory Epithelium, Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 1 1 1 1 1 1 1 | 10 1.0| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | + | 2 | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lens, Cataract | 4 | 4 3.3| Lens, Mineralization | 4 | 1 4.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Zymbal's Gland | + + + + + + M + + + + + + + + + + + + + M + + + M| 44 | _____________________________________________________________________________________________________________________|____________| * : 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: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 4| 7| 7| 6| 7| 6| 7| 7| 7| 7| 6| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 2| 1| 3| 3| 5| 3| 4| 2| 3| 3| 3| 2| 3| 4| 2| | | 1| 2| 2| 2| 0| 1| 1| 0| 0| 1| 2| 0| 2| 2| 6| 2| 2| 6| 2| 1| 2| 1| 0| 2| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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| | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | | 2 4.0| Nephropathy, Chronic | 1 2 2 4 1 1 1 3 1 1 2 1 1 2 1 3 1 1 2 2 1 2 2| 45 1.6| Cortex, Renal Tubule, Accumulation, | | | Hyaline Droplet | | 2 3.5| Pelvis, Mineralization | 1 1 1 1 1 | 5 1.0| Pelvis, Transitional Epithelium, | | | Hyperplasia | 1 1 | 4 1.3| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Transitional Epithelium, Hyperplasia | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 24 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 6| 7| 7| 7| 6| 6| 6| 7| 7| 6| 5| 5| 5| 7| 6| 7| 7| 7| 7| 6| DAY ON TEST | 3| 9| 3| 3| 3| 7| 3| 3| 3| 9| 1| 4| 1| 3| 3| 5| 0| 2| 3| 9| 3| 3| 3| 3| 8| | 2| 2| 2| 2| 7| 0| 2| 1| 0| 8| 7| 6| 2| 1| 4| 9| 9| 3| 1| 8| 1| 2| 1| 1| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + A + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + A + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X X X X X X X X X X X X X X X X X X X| Clear Cell Focus | X X X X | Hepatodiaphragmatic Nodule | 1 4 4 4 | Inflammation, Granulomatous | | Necrosis | | Vacuolization Cytoplasmic | 4 | |__________________________________________________________________________| Mesentery | + + + + + + | Necrosis | 1 3 3 3 3 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 3 | Ulcer | 4 4 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 25 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 6| 7| 7| 7| 6| 6| 6| 7| 7| 6| 5| 5| 5| 7| 6| 7| 7| 7| 7| 6| DAY ON TEST | 3| 9| 3| 3| 3| 7| 3| 3| 3| 9| 1| 4| 1| 3| 3| 5| 0| 2| 3| 9| 3| 3| 3| 3| 8| | 2| 2| 2| 2| 7| 0| 2| 1| 0| 8| 7| 6| 2| 1| 4| 9| 9| 3| 1| 8| 1| 2| 1| 1| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS 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| __________________________________________|__________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | | Epicardium, Inflammation, Chronic | 4 | Myocardium, Degeneration | | Myocardium, Necrosis | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Hyperplasia | | Vacuolization Cytoplasmic | 1 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 3 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + M| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Hemorrhage | | Hyperplasia | 3| |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 4 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | __________________________________________|__________________________________________________________________________| Page 26 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 6| 7| 7| 7| 6| 6| 6| 7| 7| 6| 5| 5| 5| 7| 6| 7| 7| 7| 7| 6| DAY ON TEST | 3| 9| 3| 3| 3| 7| 3| 3| 3| 9| 1| 4| 1| 3| 3| 5| 0| 2| 3| 9| 3| 3| 3| 3| 8| | 2| 2| 2| 2| 7| 0| 2| 1| 0| 8| 7| 6| 2| 1| 4| 9| 9| 3| 1| 8| 1| 2| 1| 1| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS 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| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Hyperplasia | 4 | Inflammation, Chronic | 4 4 | |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 | Hemorrhage | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | 4 | Endometrium, Hyperplasia | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + | Deep Cervical, Infiltration Cellular,| | Histiocyte | | |__________________________________________________________________________| Lymph Node, Bronchial | M M M M M + + M M + + M + M M M M M M + M M M M M| Infiltration Cellular, Histiocyte | | |__________________________________________________________________________| Lymph Node, Mandibular | M M M M M M + M M M M M M M M M M M M M M M M M M| Ectasia | 4 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node, Mediastinal | + M + + + + + + + + + + + M + + + + + + + + + + +| Angiectasis | | Fibrosis | | Infiltration Cellular, Histiocyte | | Inflammation, Suppurative | 2 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | __________________________________________|__________________________________________________________________________| Page 27 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 6| 7| 7| 7| 6| 6| 6| 7| 7| 6| 5| 5| 5| 7| 6| 7| 7| 7| 7| 6| DAY ON TEST | 3| 9| 3| 3| 3| 7| 3| 3| 3| 9| 1| 4| 1| 3| 3| 5| 0| 2| 3| 9| 3| 3| 3| 3| 8| | 2| 2| 2| 2| 7| 0| 2| 1| 0| 8| 7| 6| 2| 1| 4| 9| 9| 3| 1| 8| 1| 2| 1| 1| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS 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| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | 4 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | 4 | Hyperkeratosis | 1 | Inflammation, Chronic | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 4 3 X 2 | Hemorrhage | 4 4 | Medulla, Gliosis, Focal | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 | Epiglottis, Metaplasia, Squamous | 2 | Respiratory Epithelium, Epiglottis, | | Degeneration | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 2 | Metaplasia, Osseous | 1 | Alveolar Epithelium, Hyperplasia | 1| Alveolus, Infiltration Cellular, | | Histiocyte | 2 3 | Alveolus, Proteinosis | 1 1 | Interstitium, Fibrosis | 2 2 2 | __________________________________________|__________________________________________________________________________| Page 28 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 6| 7| 7| 7| 6| 6| 6| 7| 7| 6| 5| 5| 5| 7| 6| 7| 7| 7| 7| 6| DAY ON TEST | 3| 9| 3| 3| 3| 7| 3| 3| 3| 9| 1| 4| 1| 3| 3| 5| 0| 2| 3| 9| 3| 3| 3| 3| 8| | 2| 2| 2| 2| 7| 0| 2| 1| 0| 8| 7| 6| 2| 1| 4| 9| 9| 3| 1| 8| 1| 2| 1| 1| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS 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 | | Mediastinum, Inflammation, | | Granulomatous | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 3 | Inflammation, Suppurative | 3 | Nasolacrimal Duct, Inflammation, | | Suppurative | 3 3 | Olfactory Epithelium, Degeneration, | | Hyaline | 3 1 3 2 1 1 1 3 4 1 4 4 2 1 2 1 1 1 1 3 1 3 1| Respiratory Epithelium, Hyperplasia | | |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 2 1 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Phthisis Bulbi | | Anterior Chamber, Sclera, | | Inflammation, Suppurative | | Cornea, Inflammation, Chronic | | Lens, Cataract | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Zymbal's Gland | + M + + + M + + M + + + + + + + + + M + + + + + +| Cyst | | Hyperplasia | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 2 1 2 1 2 2 3 4 1 1 2 1 2 1 1 1 1 3 1 2 1 3 3 1| Cortex, Renal Tubule, Hyperplasia | | __________________________________________|__________________________________________________________________________| Page 29 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 6| 7| 7| 7| 6| 6| 6| 7| 7| 6| 5| 5| 5| 7| 6| 7| 7| 7| 7| 6| DAY ON TEST | 3| 9| 3| 3| 3| 7| 3| 3| 3| 9| 1| 4| 1| 3| 3| 5| 0| 2| 3| 9| 3| 3| 3| 3| 8| | 2| 2| 2| 2| 7| 0| 2| 1| 0| 8| 7| 6| 2| 1| 4| 9| 9| 3| 1| 8| 1| 2| 1| 1| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS 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| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Pelvis, Mineralization | 1 1 1 1 | Renal Tubule, Mineralization | 3 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | | Ulcer | 3 | Transitional Epithelium, | | Mineralization | 3 | __________________________________________|__________________________________________________________________________ Page 30 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 5| 7| 5| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 4| | DAY ON TEST | 0| 1| 2| 3| 3| 3| 0| 3| 1| 3| 9| 3| 3| 3| 3| 3| 3| 4| 3| 7| 3| 3| 3| 3| 7| | | 7| 2| 8| 0| 1| 2| 9| 2| 0| 2| 3| 1| 0| 1| 1| 1| 1| 6| 1| 6| 1| 1| 2| 1| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 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 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + A + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 3 2 | 3 2.3| Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X X X X| 43 | Clear Cell Focus | X X X X X X X | 11 | Hepatodiaphragmatic Nodule | 4 4 4 4 4 | 9 3.7| Inflammation, Granulomatous | 3 | 1 3.0| Necrosis | 4 | 1 4.0| Vacuolization Cytoplasmic | 4 4 | 3 4.0| |__________________________________________________________________________|____________| Mesentery | + + + + | 10 | Necrosis | 1 3 2 | 9 2.3| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 4.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | | 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 31 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 5| 7| 5| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 4| | DAY ON TEST | 0| 1| 2| 3| 3| 3| 0| 3| 1| 3| 9| 3| 3| 3| 3| 3| 3| 4| 3| 7| 3| 3| 3| 3| 7| | | 7| 2| 8| 0| 1| 2| 9| 2| 0| 2| 3| 1| 0| 1| 1| 1| 1| 6| 1| 6| 1| 1| 2| 1| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 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 | | | Ulcer | 4 4 | 4 4.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 | 1 2.0| Epicardium, Inflammation, Chronic | | 1 4.0| Myocardium, Degeneration | 3 | 1 3.0| Myocardium, Necrosis | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 | 1 2.0| Hyperplasia | 2 2 | 2 2.0| Vacuolization Cytoplasmic | 2 3 4 1 | 6 2.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 2 3.5| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | | 1 2.0| Hemorrhage | 4 | 1 4.0| Hyperplasia | 2 3 | 3 2.7| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 32 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 5| 7| 5| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 4| | DAY ON TEST | 0| 1| 2| 3| 3| 3| 0| 3| 1| 3| 9| 3| 3| 3| 3| 3| 3| 4| 3| 7| 3| 3| 3| 3| 7| | | 7| 2| 8| 0| 1| 2| 9| 2| 0| 2| 3| 1| 0| 1| 1| 1| 1| 6| 1| 6| 1| 1| 2| 1| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 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 | | | C-Cell, Hyperplasia | 4 1 2 4 | 7 2.6| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 1 | 1 1.0| Hyperplasia | 3 | 2 3.5| Inflammation, Chronic | | 2 4.0| |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 3 | 3 3.7| Hemorrhage | 3 | 1 3.0| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis | | 1 4.0| Endometrium, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + | 3 | Deep Cervical, Infiltration Cellular,| | | Histiocyte | 2 | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Bronchial | M + M M M M M M M M + M M M M + M M M M M M M M +| 10 | Infiltration Cellular, Histiocyte | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | M M M M M M M + M M M M M M M M M M M M M M M M M| 2 | Ectasia | | 1 4.0| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 33 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 5| 7| 5| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 4| | DAY ON TEST | 0| 1| 2| 3| 3| 3| 0| 3| 1| 3| 9| 3| 3| 3| 3| 3| 3| 4| 3| 7| 3| 3| 3| 3| 7| | | 7| 2| 8| 0| 1| 2| 9| 2| 0| 2| 3| 1| 0| 1| 1| 1| 1| 6| 1| 6| 1| 1| 2| 1| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 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 - cont | | | Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + M + M + + + M + + + + + + + + + + + + + +| 45 | Angiectasis | 4 | 1 4.0| Fibrosis | 2 | 1 2.0| Infiltration Cellular, Histiocyte | 4 4 4 2 | 4 3.5| Inflammation, Suppurative | | 1 2.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | 4 | 2 4.0| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst Epithelial Inclusion | | 1 4.0| Hyperkeratosis | | 1 1.0| Inflammation, Chronic | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skeletal Muscle | + +| 2 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | 3 X X X | 8 3.0| Hemorrhage | 4 4 4 3 | 6 3.8| Medulla, Gliosis, Focal | 3 | 1 3.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 34 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 5| 7| 5| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 4| | DAY ON TEST | 0| 1| 2| 3| 3| 3| 0| 3| 1| 3| 9| 3| 3| 3| 3| 3| 3| 4| 3| 7| 3| 3| 3| 3| 7| | | 7| 2| 8| 0| 1| 2| 9| 2| 0| 2| 3| 1| 0| 1| 1| 1| 1| 6| 1| 6| 1| 1| 2| 1| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 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| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | | 1 2.0| Epiglottis, Metaplasia, Squamous | | 1 2.0| Respiratory Epithelium, Epiglottis, | | | Degeneration | 1 | 1 1.0| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 1 1 1 3 1 | 7 1.4| Metaplasia, Osseous | | 1 1.0| Alveolar Epithelium, Hyperplasia | 2 1 2 2 | 5 1.6| Alveolus, Infiltration Cellular, | | | Histiocyte | 1 1 1 2 1 3 1 1 1 1 2 | 13 1.5| Alveolus, Proteinosis | 1 | 3 1.0| Interstitium, Fibrosis | 3 | 4 2.3| Mediastinum, Inflammation, | | | Granulomatous | 2 | 1 2.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | 3 | 2 3.0| Inflammation, Suppurative | 3 3 2 3 | 5 2.8| Nasolacrimal Duct, Inflammation, | | | Suppurative | 2 3 | 4 2.8| Olfactory Epithelium, Degeneration, | | | Hyaline | 2 2 2 3 4 1 3 4 3 1 4 1 3 1 1 3 4 4 1 3 2 1 4 4 2| 48 2.3| Respiratory Epithelium, Hyperplasia | 2 | 1 2.0| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic | 2 2 2 1 3 1 1 2 | 11 1.7| |__________________________________________________________________________|____________| 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 35 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 5| 7| 5| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 4| | DAY ON TEST | 0| 1| 2| 3| 3| 3| 0| 3| 1| 3| 9| 3| 3| 3| 3| 3| 3| 4| 3| 7| 3| 3| 3| 3| 7| | | 7| 2| 8| 0| 1| 2| 9| 2| 0| 2| 3| 1| 0| 1| 1| 1| 1| 6| 1| 6| 1| 1| 2| 1| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 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 | Atrophy | 4 4 | 2 4.0| Phthisis Bulbi | X | 1 | Anterior Chamber, Sclera, | | | Inflammation, Suppurative | 4 | 1 4.0| Cornea, Inflammation, Chronic | 1 | 1 1.0| Lens, Cataract | 3 4 3 | 3 3.3| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Zymbal's Gland | + M + + + + + + + + + + + + M + M + + + + + + + +| 43 | Cyst | 2 | 1 2.0| Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 1 1 1 4 2 1 1 2 1 1 2 1 1 1 3 2 2 3 1 2 3 | 45 1.7| Cortex, Renal Tubule, Hyperplasia | 4 | 1 4.0| Pelvis, Mineralization | 1 1 1 | 7 1.0| Renal Tubule, Mineralization | 2| 2 2.5| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 2| 1 2.0| Ulcer | | 1 3.0| Transitional Epithelium, | | | Mineralization | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 36 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 2| 7| DAY ON TEST | 2| 3| 3| 6| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 7| 3| 8| 3| | 2| 1| 1| 9| 1| 2| 1| 2| 6| 1| 2| 2| 1| 1| 0| 2| 2| 2| 2| 0| 7| 5| 0| 3| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| 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 +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + A + + A +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X X X X X X X X X X X X X X X X X X X X| Clear Cell Focus | 2 X X X X X X X X X X X X X | Eosinophilic Focus | X | Hepatodiaphragmatic Nodule | 4 4 4 | Inflammation, Granulomatous | 1 | Necrosis | 4 | Thrombosis | | |__________________________________________________________________________| Mesentery | + + + + + + + + + + + +| Necrosis | 2 3 3 2 3 2 3 3 3 2 2 2| |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + A +| Erosion | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + A +| Epithelium, Hyperplasia | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 37 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 2| 7| DAY ON TEST | 2| 3| 3| 6| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 7| 3| 8| 3| | 2| 1| 1| 9| 1| 2| 1| 2| 6| 1| 2| 2| 1| 1| 0| 2| 2| 2| 2| 0| 7| 5| 0| 3| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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 | | Tongue | + | Epithelium, Hyperkeratosis | 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | 3 | Hyperplasia | | Vacuolization Cytoplasmic | 1 1 4 2| |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + M| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + A +| Angiectasis | 4 | Cyst | | Hyperplasia | 3 3 4 | Pars Intermedia, Vacuolization | | Cytoplasmic | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 1 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 38 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 2| 7| DAY ON TEST | 2| 3| 3| 6| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 7| 3| 8| 3| | 2| 1| 1| 9| 1| 2| 1| 2| 6| 1| 2| 2| 1| 1| 0| 2| 2| 2| 2| 0| 7| 5| 0| 3| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Cyst | 4 4 4 4| Hyperplasia | | Inflammation, Chronic | 2 | |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 4 4 1 1| |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Endometrium, Hyperplasia | 3 3 | Endometrium, Ulcer | 1 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + + + | |__________________________________________________________________________| Lymph Node, Bronchial | M M M M M M M M M M M M M + M M M M + M M M M M M| Angiectasis | | |__________________________________________________________________________| Lymph Node, Mandibular | 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| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + M + + M + + M + + M +| Angiectasis | 4 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 3 4 | Hematopoietic Cell Proliferation | 4 | Necrosis | | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + M + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 39 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 2| 7| DAY ON TEST | 2| 3| 3| 6| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 7| 3| 8| 3| | 2| 1| 1| 9| 1| 2| 1| 2| 6| 1| 2| 2| 1| 1| 0| 2| 2| 2| 2| 0| 7| 5| 0| 3| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | Galactocele | 4 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | Ulcer | | Subcutaneous Tissue, Hemorrhage | 1 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Metatarsal, Fracture | 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 3 2 | Hemorrhage | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 2 | Epiglottis, Metaplasia, Squamous | 1 2 | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 3 | Hemorrhage | | Inflammation, Chronic | 1 2 2| Alveolar Epithelium, Hyperplasia | 2 | Alveolus, Infiltration Cellular, | | Histiocyte | 1 2 1 1 2 2 1 2 3| Alveolus, Proteinosis | 1 1 | Interstitium, Fibrosis | 2| |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Glands, Dilatation | 1 2 1 2 | Goblet Cell, Hyperplasia | 1 2 | Nasolacrimal Duct, Inflammation, | | __________________________________________|__________________________________________________________________________| Page 40 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 2| 7| DAY ON TEST | 2| 3| 3| 6| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 7| 3| 8| 3| | 2| 1| 1| 9| 1| 2| 1| 2| 6| 1| 2| 2| 1| 1| 0| 2| 2| 2| 2| 0| 7| 5| 0| 3| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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 | | Suppurative | 3 | Olfactory Epithelium, Degeneration, | | Hyaline | 4 4 4 4 3 4 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 2 4 3 3| Respiratory Epithelium, Hyperplasia | | |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 2 1 1 1 2 1 1 2 1 1 3| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | + | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Cornea, Edema | | Cornea, Inflammation, Chronic | | Cornea, Mineralization | 1 1 1 2 2 | Cornea, Necrosis | | Lens, Cataract | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lacrimal Gland | + + | |__________________________________________________________________________| Zymbal's Gland | + + M + + M + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 3 1 1 1 3 2 3 2 1 1 2 3 3 1 1 1 3 3 2 1 4 3 4 3| Cortex, Infarct | | Cortex, Renal Tubule, Accumulation, | | Hyaline Droplet | 4 | Cortex, Renal Tubule, Hyperplasia | 1 | Pelvis, Mineralization | 1 1 1 | |__________________________________________________________________________| Urethra | + | __________________________________________|__________________________________________________________________________| Page 41 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 2| 7| DAY ON TEST | 2| 3| 3| 6| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 7| 3| 8| 3| | 2| 1| 1| 9| 1| 2| 1| 2| 6| 1| 2| 2| 1| 1| 0| 2| 2| 2| 2| 0| 7| 5| 0| 3| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 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| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Transitional Epithelium, Hyperplasia | 3 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 42 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 5| 6| 7| 7| 5| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 8| 3| 5| 8| 3| 3| 5| 4| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 1| 3| 1| 3| | | 1| 1| 2| 6| 2| 0| 4| 2| 0| 5| 2| 2| 1| 2| 4| 0| 2| 1| 2| 2| 2| 9| 0| 7| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 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 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + A +| 47 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + A +| 47 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + A +| 47 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + A +| 47 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 | 1 2.0| Basophilic Focus | X X X X X X X X X X X X X X X X X X X X| 40 | Clear Cell Focus | X X X X X X X X X X X X X| 27 2.0| Eosinophilic Focus | | 1 | Hepatodiaphragmatic Nodule | 4 4 4 4 | 7 4.0| Inflammation, Granulomatous | 2 | 2 1.5| Necrosis | 2 | 2 3.0| Thrombosis | 4 | 1 4.0| |__________________________________________________________________________|____________| Mesentery | + + + + + | 17 | Necrosis | 1 3 3 2 2 | 17 2.4| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Erosion | 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 43 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 5| 6| 7| 7| 5| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 8| 3| 5| 8| 3| 3| 5| 4| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 1| 3| 1| 3| | | 1| 1| 2| 6| 2| 0| 4| 2| 0| 5| 2| 2| 1| 2| 4| 0| 2| 1| 2| 2| 2| 9| 0| 7| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 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 | | | |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Epithelium, Hyperplasia | 2 | 1 2.0| |__________________________________________________________________________|____________| Tongue | | 1 | Epithelium, Hyperkeratosis | | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 46 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Adrenal Cortical Nodule | | 1 3.0| Hyperplasia | 2 | 1 2.0| Vacuolization Cytoplasmic | 2 | 5 2.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + M + + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | 2 3 4 | 4 3.3| Cyst | 4 | 1 4.0| Hyperplasia | | 3 3.3| Pars Intermedia, Vacuolization | | | Cytoplasmic | 2 | 1 2.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 44 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 5| 6| 7| 7| 5| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 8| 3| 5| 8| 3| 3| 5| 4| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 1| 3| 1| 3| | | 1| 1| 2| 6| 2| 0| 4| 2| 0| 5| 2| 2| 1| 2| 4| 0| 2| 1| 2| 2| 2| 9| 0| 7| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 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 | | | C-Cell, Hyperplasia | 2 2 | 5 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 4 4.0| Hyperplasia | 3 4 | 2 3.5| Inflammation, Chronic | | 1 2.0| |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 4 4 | 8 3.3| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 4 | 1 4.0| Endometrium, Hyperplasia | | 2 3.0| Endometrium, Ulcer | | 1 1.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + + | 6 | |__________________________________________________________________________|____________| Lymph Node, Bronchial | M M M M + M M M M M + M M M M M M M M M M M M + M| 5 | Angiectasis | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | 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| | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + M + M + + + + M + + + + + + + + +| 43 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 45 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 5| 6| 7| 7| 5| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 8| 3| 5| 8| 3| 3| 5| 4| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 1| 3| 1| 3| | | 1| 1| 2| 6| 2| 0| 4| 2| 0| 5| 2| 2| 1| 2| 4| 0| 2| 1| 2| 2| 2| 9| 0| 7| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 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 | | | Angiectasis | 3 | 2 3.5| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | | 2 3.5| Hematopoietic Cell Proliferation | | 1 4.0| Necrosis | 4 4 3 | 3 3.7| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + M + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | | 1 4.0| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | | 1 2.0| Ulcer | 4 | 1 4.0| Subcutaneous Tissue, Hemorrhage | | 1 1.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Metatarsal, Fracture | | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | 3 3 | 4 2.8| Hemorrhage | 4 | 2 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | | 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 46 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 5| 6| 7| 7| 5| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 8| 3| 5| 8| 3| 3| 5| 4| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 1| 3| 1| 3| | | 1| 1| 2| 6| 2| 0| 4| 2| 0| 5| 2| 2| 1| 2| 4| 0| 2| 1| 2| 2| 2| 9| 0| 7| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 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 | | | Epiglottis, Metaplasia, Squamous | | 2 1.5| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | | 1 3.0| Hemorrhage | 3 | 1 3.0| Inflammation, Chronic | 2 2 1 | 6 1.7| Alveolar Epithelium, Hyperplasia | 1 4 2 | 4 2.3| Alveolus, Infiltration Cellular, | | | Histiocyte | 2 1 1 1 1 2 2 2 2 2 1| 20 1.6| Alveolus, Proteinosis | | 2 1.0| Interstitium, Fibrosis | 2 | 2 2.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Glands, Dilatation | | 4 1.5| Goblet Cell, Hyperplasia | 2 | 3 1.7| Nasolacrimal Duct, Inflammation, | | | Suppurative | | 1 3.0| Olfactory Epithelium, Degeneration, | | | Hyaline | 3 3 3 3 4 2 3 4 4 2 3 4 2 4 3 3 4 4 3 4 4 4 4 4 4| 50 3.6| Respiratory Epithelium, Hyperplasia | 1 | 1 1.0| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 1 2 1 2 1 | 17 1.4| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | | 1 | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cornea, Edema | 3 | 1 3.0| Cornea, Inflammation, Chronic | 2 | 1 2.0| Cornea, Mineralization | 2 1 2 1 2 | 10 1.5| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 47 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 5| 6| 7| 7| 5| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 8| 3| 5| 8| 3| 3| 5| 4| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 1| 3| 1| 3| | | 1| 1| 2| 6| 2| 0| 4| 2| 0| 5| 2| 2| 1| 2| 4| 0| 2| 1| 2| 2| 2| 9| 0| 7| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 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 | | | Cornea, Necrosis | 2 | 1 2.0| Lens, Cataract | 3 | 1 3.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lacrimal Gland | | 2 | |__________________________________________________________________________|____________| Zymbal's Gland | + M + + + + + + + + + + + + + + + + + + + + M + +| 46 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 1 4 1 1 3 3 1 3 3 1 X 1 1 3 3 3 2 1 1 2 3 1 2 2 4| 49 2.1| Cortex, Infarct | 4 | 1 4.0| Cortex, Renal Tubule, Accumulation, | | | Hyaline Droplet | | 1 4.0| Cortex, Renal Tubule, Hyperplasia | | 1 1.0| Pelvis, Mineralization | | 3 1.0| |__________________________________________________________________________|____________| Urethra | | 1 | Transitional Epithelium, Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| 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 48 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 6| 6| 6| 6| 7| 7| 4| 2| 7| 6| 7| 6| 6| DAY ON TEST | 3| 2| 2| 2| 2| 3| 2| 2| 0| 1| 2| 2| 5| 0| 4| 4| 2| 2| 5| 9| 3| 8| 3| 3| 3| | 0| 9| 9| 9| 9| 0| 9| 9| 9| 8| 9| 9| 5| 4| 2| 6| 9| 9| 8| 6| 0| 4| 0| 9| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + A + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | X | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + A + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + A + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + A + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + A + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Clear Cell Focus | X X X X X | Degeneration, Cystic | | Fatty Change | 2 2 | Hepatodiaphragmatic Nodule | | Thrombosis | | Vacuolization Cytoplasmic | | Bile Duct, Cyst | | |__________________________________________________________________________| Mesentery | + + + + + + | Necrosis | 2 2 2 2 2 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 2 | Inflammation, Suppurative | | Ulcer | 4 3 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 49 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 6| 6| 6| 6| 7| 7| 4| 2| 7| 6| 7| 6| 6| DAY ON TEST | 3| 2| 2| 2| 2| 3| 2| 2| 0| 1| 2| 2| 5| 0| 4| 4| 2| 2| 5| 9| 3| 8| 3| 3| 3| | 0| 9| 9| 9| 9| 0| 9| 9| 9| 8| 9| 9| 5| 4| 2| 6| 9| 9| 8| 6| 0| 4| 0| 9| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | | |__________________________________________________________________________| Tongue | | Epithelium, Hyperplasia | | |__________________________________________________________________________| Tooth | | Peridontal Tissue, Inflammation | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 3 1 2 3 2 | Atrium, Thrombosis | | Myocardium, Necrosis | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | | Vacuolization Cytoplasmic | 2 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 2 3 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hemorrhage | | Hyperplasia | 2 2 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 50 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 6| 6| 6| 6| 7| 7| 4| 2| 7| 6| 7| 6| 6| DAY ON TEST | 3| 2| 2| 2| 2| 3| 2| 2| 0| 1| 2| 2| 5| 0| 4| 4| 2| 2| 5| 9| 3| 8| 3| 3| 3| | 0| 9| 9| 9| 9| 0| 9| 9| 9| 8| 9| 9| 5| 4| 2| 6| 9| 9| 8| 6| 0| 4| 0| 9| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | C-Cell, Hyperplasia | 1 1 1 1 1 | Follicular Cell, Hyperplasia | 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Coagulating Gland | + | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 | Inflammation, Suppurative | 3 | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | Inflammation, Suppurative | 1 1 3 2 2 2 2 1 1 1 2 1 2 2| |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Epithelium, Hyperplasia | | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Germinal Epithelium, Atrophy | 3 2 3 1 4 3 3 3 3| Interstitial Cell, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + + + + | Deep Cervical, Hyperplasia, Lymphoid | 3 | Pancreatic, Ectasia | 4 | |__________________________________________________________________________| Lymph Node, Bronchial | M + + + + + M + M M + + M + + M M M M M M M M M M| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 51 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 6| 6| 6| 6| 7| 7| 4| 2| 7| 6| 7| 6| 6| DAY ON TEST | 3| 2| 2| 2| 2| 3| 2| 2| 0| 1| 2| 2| 5| 0| 4| 4| 2| 2| 5| 9| 3| 8| 3| 3| 3| | 0| 9| 9| 9| 9| 0| 9| 9| 9| 8| 9| 9| 5| 4| 2| 6| 9| 9| 8| 6| 0| 4| 0| 9| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Lymph Node, Mandibular | 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| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node, Mediastinal | + M + + M M M M + M M M + + + + + M M + + + + + +| Hyperplasia, Lymphoid | 3 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | | Fibrosis | 2 3 | Hemorrhage | 4 | Necrosis | 4 | |__________________________________________________________________________| Thymus | + + + + + + + + + M + + + + + + + M M + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | 4 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | 4 | Hyperkeratosis | 3 | Ulcer | | Sebaceous Gland, Hyperplasia, | | Squamous | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 3 3 3| Hemorrhage | 4 | __________________________________________|__________________________________________________________________________| Page 52 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 6| 6| 6| 6| 7| 7| 4| 2| 7| 6| 7| 6| 6| DAY ON TEST | 3| 2| 2| 2| 2| 3| 2| 2| 0| 1| 2| 2| 5| 0| 4| 4| 2| 2| 5| 9| 3| 8| 3| 3| 3| | 0| 9| 9| 9| 9| 0| 9| 9| 9| 8| 9| 9| 5| 4| 2| 6| 9| 9| 8| 6| 0| 4| 0| 9| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 4 | Inflammation, Chronic | 1 | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Inflammation, Chronic | 2 1 1 1| Necrosis, Focal | | Alveolar Epithelium, Hyperplasia | 1 1| Alveolar Epithelium, Metaplasia, | | Squamous | | Alveolus, Infiltration Cellular, | | Histiocyte | 3 1 1 1 2| Interstitium, Fibrosis | 1 2 2 1 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 3 3 3| Inflammation, Suppurative | 2 1 2| Glands, Dilatation | | Goblet Cell, Hyperplasia | 1| Respiratory Epithelium, Hyperplasia | 2 2| |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 1 2 2 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 4 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lacrimal Gland | + + | |__________________________________________________________________________| Zymbal's Gland | + + M + M M + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 53 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 6| 6| 6| 6| 7| 7| 4| 2| 7| 6| 7| 6| 6| DAY ON TEST | 3| 2| 2| 2| 2| 3| 2| 2| 0| 1| 2| 2| 5| 0| 4| 4| 2| 2| 5| 9| 3| 8| 3| 3| 3| | 0| 9| 9| 9| 9| 0| 9| 9| 9| 8| 9| 9| 5| 4| 2| 6| 9| 9| 8| 6| 0| 4| 0| 9| 1| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 1 2 3 1 1 2 2 2 1 2 2 2 2 1 1 2 1 2 1 3 1 2| Cortex, Infarct | 3 3 | Cortex, Renal Tubule, Accumulation, | | Hyaline Droplet | | Pelvis, Dilatation | 4 | Pelvis, Transitional Epithelium, | | Hyperplasia | | Renal Tubule, Mineralization | 3 | Renal Tubule, Pigmentation | 3 | |__________________________________________________________________________| Urethra | + | Transitional Epithelium, Hyperplasia | 2 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 4 | Inflammation, Chronic | 2 | Inflammation, Suppurative | | Necrosis | | Ulcer | | Transitional Epithelium, Hyperplasia | | __________________________________________|__________________________________________________________________________ Page 54 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 4| 6| 7| 6| 7| 7| 7| 6| 6| 7| 7| 5| | DAY ON TEST | 2| 2| 3| 3| 3| 8| 2| 1| 2| 3| 2| 2| 2| 6| 6| 2| 5| 2| 1| 3| 5| 4| 2| 2| 3| | | 5| 9| 0| 0| 0| 1| 9| 2| 9| 0| 9| 9| 9| 5| 8| 9| 6| 3| 2| 0| 5| 2| 9| 9| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Diverticulum | | 1 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + + + A| 47 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + A| 48 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A + + + + + + A| 47 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + A + + + + + + A| 47 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X | 6 | Clear Cell Focus | X X X | 8 | Degeneration, Cystic | 3 | 1 3.0| Fatty Change | 2 | 3 2.0| Hepatodiaphragmatic Nodule | 4 | 1 4.0| Thrombosis | 4 | 1 4.0| Vacuolization Cytoplasmic | 3 3 3 | 3 3.0| Bile Duct, Cyst | 4 | 1 4.0| |__________________________________________________________________________|____________| Mesentery | + + + + + + + | 13 | Necrosis | 4 2 3 3 2 3 2 | 13 2.4| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 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: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 4| 6| 7| 6| 7| 7| 7| 6| 6| 7| 7| 5| | DAY ON TEST | 2| 2| 3| 3| 3| 8| 2| 1| 2| 3| 2| 2| 2| 6| 6| 2| 5| 2| 1| 3| 5| 4| 2| 2| 3| | | 5| 9| 0| 0| 0| 1| 9| 2| 9| 0| 9| 9| 9| 5| 8| 9| 6| 3| 2| 0| 5| 2| 9| 9| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Hyperplasia, Squamous | 3 | 2 2.5| Inflammation, Suppurative | 3 | 1 3.0| Ulcer | 4 | 3 3.7| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis | 3 | 1 3.0| |__________________________________________________________________________|____________| Tongue | + + | 2 | Epithelium, Hyperplasia | 3 4 | 2 3.5| |__________________________________________________________________________|____________| Tooth | + | 1 | Peridontal Tissue, Inflammation | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 2 | 7 2.1| Atrium, Thrombosis | 4 | 1 4.0| Myocardium, Necrosis | | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis | 2 | 1 2.0| Vacuolization Cytoplasmic | 1 2 2 3 | 6 1.8| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 2 | 6 2.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + 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 56 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 4| 6| 7| 6| 7| 7| 7| 6| 6| 7| 7| 5| | DAY ON TEST | 2| 2| 3| 3| 3| 8| 2| 1| 2| 3| 2| 2| 2| 6| 6| 2| 5| 2| 1| 3| 5| 4| 2| 2| 3| | | 5| 9| 0| 0| 0| 1| 9| 2| 9| 0| 9| 9| 9| 5| 8| 9| 6| 3| 2| 0| 5| 2| 9| 9| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Hyperplasia | 3 | 1 3.0| |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 | 1 2.0| Hemorrhage | 4| 1 4.0| Hyperplasia | 4 3 | 5 2.8| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 2 3 1 | 8 1.4| Follicular Cell, Hyperplasia | | 1 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Coagulating Gland | + + | 3 | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 4 | 2 3.5| Inflammation, Suppurative | 2 4 4 | 4 3.3| |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 2.0| Inflammation, Suppurative | 1 1 2 2 2 2 2 1 1 2 2 2 3 1 1 2 3| 31 1.7| |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 4 | 1 4.0| Epithelium, Hyperplasia | 3 | 1 3.0| |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Germinal Epithelium, Atrophy | 1 2 1 3 2 2 2 1 3 4 3 | 20 2.5| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 57 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 4| 6| 7| 6| 7| 7| 7| 6| 6| 7| 7| 5| | DAY ON TEST | 2| 2| 3| 3| 3| 8| 2| 1| 2| 3| 2| 2| 2| 6| 6| 2| 5| 2| 1| 3| 5| 4| 2| 2| 3| | | 5| 9| 0| 0| 0| 1| 9| 2| 9| 0| 9| 9| 9| 5| 8| 9| 6| 3| 2| 0| 5| 2| 9| 9| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | Interstitial Cell, Hyperplasia | 3 3 3 | 4 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + + + + M + + + | 12 | Deep Cervical, Hyperplasia, Lymphoid | | 1 3.0| Pancreatic, Ectasia | | 1 4.0| |__________________________________________________________________________|____________| Lymph Node, Bronchial | M + + M + + M + + + M M + M M + + + M + + M + M M| 24 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | 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 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + M + + M + + + + + + + + + + + + +| 38 | Hyperplasia, Lymphoid | | 1 3.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Spleen | X X | 2 | Fibrosis | 1 3 3 | 5 2.4| Hemorrhage | | 1 4.0| Necrosis | | 1 4.0| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | 3 4 | 3 3.7| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst Epithelial Inclusion | 4 4 | 3 4.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 58 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 4| 6| 7| 6| 7| 7| 7| 6| 6| 7| 7| 5| | DAY ON TEST | 2| 2| 3| 3| 3| 8| 2| 1| 2| 3| 2| 2| 2| 6| 6| 2| 5| 2| 1| 3| 5| 4| 2| 2| 3| | | 5| 9| 0| 0| 0| 1| 9| 2| 9| 0| 9| 9| 9| 5| 8| 9| 6| 3| 2| 0| 5| 2| 9| 9| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| INTEGUMENTARY SYSTEM - cont | | | Hyperkeratosis | 4 3 | 3 3.3| Ulcer | 2 | 1 2.0| Sebaceous Gland, Hyperplasia, | | | Squamous | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Osteodystrophy | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | 2 4 3 X | 7 3.0| Hemorrhage | 2 4 4| 4 3.5| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | | 1 4.0| Inflammation, Chronic | | 1 1.0| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 2.0| Inflammation, Chronic | 1 | 5 1.2| Necrosis, Focal | 4 | 1 4.0| Alveolar Epithelium, Hyperplasia | 1 3 1 1 | 6 1.3| Alveolar Epithelium, Metaplasia, | | | Squamous | 1 | 1 1.0| Alveolus, Infiltration Cellular, | | | Histiocyte | 2 2 2 2 2 2 | 11 1.8| Interstitium, Fibrosis | 2 | 5 1.6| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 59 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 4| 6| 7| 6| 7| 7| 7| 6| 6| 7| 7| 5| | DAY ON TEST | 2| 2| 3| 3| 3| 8| 2| 1| 2| 3| 2| 2| 2| 6| 6| 2| 5| 2| 1| 3| 5| 4| 2| 2| 3| | | 5| 9| 0| 0| 0| 1| 9| 2| 9| 0| 9| 9| 9| 5| 8| 9| 6| 3| 2| 0| 5| 2| 9| 9| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Foreign Body | 3 3 3| 6 3.0| Inflammation, Suppurative | 1 2 2| 6 1.7| Glands, Dilatation | 2 | 1 2.0| Goblet Cell, Hyperplasia | | 1 1.0| Respiratory Epithelium, Hyperplasia | | 2 2.0| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic | 1 2 | 6 1.5| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 4.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lacrimal Gland | | 2 | |__________________________________________________________________________|____________| Zymbal's Gland | + + + M + + + + + + M + + + M + + + + + + + + + +| 44 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 1 4 1 1 2 2 2 2 2 3 3 2 3 2 4 1 2 1 2 4 1 2 3 1| 46 1.9| Cortex, Infarct | 4 3 | 4 3.3| Cortex, Renal Tubule, Accumulation, | | | Hyaline Droplet | 3 | 1 3.0| Pelvis, Dilatation | | 1 4.0| Pelvis, Transitional Epithelium, | | | Hyperplasia | 1 1 | 2 1.0| Renal Tubule, Mineralization | | 1 3.0| Renal Tubule, Pigmentation | | 1 3.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 60 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 4| 6| 7| 6| 7| 7| 7| 6| 6| 7| 7| 5| | DAY ON TEST | 2| 2| 3| 3| 3| 8| 2| 1| 2| 3| 2| 2| 2| 6| 6| 2| 5| 2| 1| 3| 5| 4| 2| 2| 3| | | 5| 9| 0| 0| 0| 1| 9| 2| 9| 0| 9| 9| 9| 5| 8| 9| 6| 3| 2| 0| 5| 2| 9| 9| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM - cont | | | |__________________________________________________________________________|____________| Urethra | | 1 | Transitional Epithelium, Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 4.0| Inflammation, Chronic | | 1 2.0| Inflammation, Suppurative | 4 | 1 4.0| Necrosis | 4 | 1 4.0| Ulcer | 4 | 1 4.0| Transitional Epithelium, Hyperplasia | 2 2 1 | 3 1.7| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 61 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 9| 2| 3| 2| 2| 6| 3| 3| 1| 3| 2| 3| 3| 0| 1| 2| 9| 4| 2| 2| 0| 0| 2| | 0| 6| 7| 9| 0| 9| 9| 4| 0| 0| 3| 0| 9| 0| 0| 9| 3| 9| 1| 2| 9| 9| 9| 5| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + A +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + A +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + A A +| Necrosis | 4 | |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + A A +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + A A +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + A A +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X | Clear Cell Focus | X X X X X X X| Eosinophilic Focus | | Hepatodiaphragmatic Nodule | 4 4 | Vacuolization Cytoplasmic | | |__________________________________________________________________________| Mesentery | + + + + + | Necrosis | 4 2 2 2 3 | Fat, Hemorrhage | | |__________________________________________________________________________| Oral Mucosa | | Ulcer | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 4 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 2 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 62 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 9| 2| 3| 2| 2| 6| 3| 3| 1| 3| 2| 3| 3| 0| 1| 2| 9| 4| 2| 2| 0| 0| 2| | 0| 6| 7| 9| 0| 9| 9| 4| 0| 0| 3| 0| 9| 0| 0| 9| 3| 9| 1| 2| 9| 9| 9| 5| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Tooth | + | Malformation | | Peridontal Tissue, Inflammation | 4 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 2 2 2 | Myocardium, Fibrosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Vacuolization Cytoplasmic | 3 4 2 1 2 2 2 1 2| |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 4 4 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3| Cyst | 4 | Hemorrhage | | Hyperplasia | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 1 | Follicular Cell, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | __________________________________________|__________________________________________________________________________| Page 63 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 9| 2| 3| 2| 2| 6| 3| 3| 1| 3| 2| 3| 3| 0| 1| 2| 9| 4| 2| 2| 0| 0| 2| | 0| 6| 7| 9| 0| 9| 9| 4| 0| 0| 3| 0| 9| 0| 0| 9| 3| 9| 1| 2| 9| 9| 9| 5| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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| __________________________________________|__________________________________________________________________________| GENERAL BODY SYSTEM - cont | | |__________________________________________________________________________| Peritoneum | +| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Coagulating Gland | + | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | Inflammation, Suppurative | 1 1 2 2 1 2 1 2 2 1 1 | |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 3 | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Germinal Epithelium, Atrophy | 1 1 4 2 2 3 4 1 1 1 4 2 2| Interstitial Cell, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + | Deep Cervical, Ectasia | 3 | Deep Cervical, Inflammation | | Pancreatic, Pigmentation | 3 | |__________________________________________________________________________| Lymph Node, Bronchial | 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| |__________________________________________________________________________| Lymph Node, Mandibular | M M M M M M M + M M M M M M M M M M M M M M M M M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 3 | __________________________________________|__________________________________________________________________________| Page 64 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 9| 2| 3| 2| 2| 6| 3| 3| 1| 3| 2| 3| 3| 0| 1| 2| 9| 4| 2| 2| 0| 0| 2| | 0| 6| 7| 9| 0| 9| 9| 4| 0| 0| 3| 0| 9| 0| 0| 9| 3| 9| 1| 2| 9| 9| 9| 5| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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 + + + +| Angiectasis | 3 | Hyperplasia, Lymphoid | 2 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | X X | Fibrosis | | Necrosis | 4 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | 4 | Metaplasia, Squamous | 3 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | 4 | Hyperkeratosis | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 3 | Hemorrhage | 3 1 4 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | | Inflammation, Suppurative | 4 | Epiglottis, Hyperplasia | | __________________________________________|__________________________________________________________________________| Page 65 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 9| 2| 3| 2| 2| 6| 3| 3| 1| 3| 2| 3| 3| 0| 1| 2| 9| 4| 2| 2| 0| 0| 2| | 0| 6| 7| 9| 0| 9| 9| 4| 0| 0| 3| 0| 9| 0| 0| 9| 3| 9| 1| 2| 9| 9| 9| 5| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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 | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 4 2 | Inflammation, Chronic | 2 | Alveolar Epithelium, Hyperplasia | 3 | Alveolus, Infiltration Cellular, | | Histiocyte | 2 2 | Alveolus, Proteinosis | 2 | Interstitium, Fibrosis | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 3 3 | Inflammation, Suppurative | 1 3 2 | Glands, Dilatation | | Goblet Cell, Hyperplasia | | Nasolacrimal Duct, Inflammation, | | Suppurative | | Olfactory Epithelium, Degeneration, | | Hyaline | 2 1 1 1 2 1 3 2 1 2 2 2 | Respiratory Epithelium, Hyperplasia | 2 | |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | | Cyst | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lacrimal Gland | + | |__________________________________________________________________________| Zymbal's Gland | + + + + + M + + + M + + + + + + + + + + + + + M M| __________________________________________|__________________________________________________________________________| Page 66 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 9| 2| 3| 2| 2| 6| 3| 3| 1| 3| 2| 3| 3| 0| 1| 2| 9| 4| 2| 2| 0| 0| 2| | 0| 6| 7| 9| 0| 9| 9| 4| 0| 0| 3| 0| 9| 0| 0| 9| 3| 9| 1| 2| 9| 9| 9| 5| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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| __________________________________________|__________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | 4 | Nephropathy, Chronic | 3 4 1 2 2 3 2 1 3 2 1 3 2 3 2 3 3 1 3 2 2 2 2 4 3| Cortex, Renal Tubule, Accumulation, | | Hyaline Droplet | 2 | Cortex, Renal Tubule, Hyperplasia | | Papilla, Mineralization | 1 1 1 1 1 1 | Pelvis, Transitional Epithelium, | | Hyperplasia | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Transitional Epithelium, Hyperplasia | 3 | __________________________________________|__________________________________________________________________________ Page 67 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 6| 7| 6| 6| 5| 7| 7| 7| 7| | DAY ON TEST | 6| 2| 1| 3| 7| 6| 2| 2| 2| 2| 5| 2| 2| 3| 4| 8| 4| 2| 2| 4| 0| 3| 2| 2| 2| | | 6| 9| 9| 0| 5| 9| 9| 9| 9| 9| 6| 9| 9| 0| 2| 9| 8| 9| 1| 2| 9| 0| 9| 9| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 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 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + A + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + A + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + A + + + + + + + + + + + + + + + + + + +| 47 | Necrosis | | 1 4.0| |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + A + + + + + + + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + A + + + + + + + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + A + + + + + + + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X X X X X| 18 | Clear Cell Focus | X X X X | 11 | Eosinophilic Focus | X | 1 | Hepatodiaphragmatic Nodule | 4 4 4 4 | 6 4.0| Vacuolization Cytoplasmic | 4 | 1 4.0| |__________________________________________________________________________|____________| Mesentery | + + + + | 9 | Necrosis | 3 2 2 2 | 9 2.4| Fat, Hemorrhage | 3 | 1 3.0| |__________________________________________________________________________|____________| Oral Mucosa | + | 1 | Ulcer | 4 | 1 4.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | | 1 4.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 68 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 6| 7| 6| 6| 5| 7| 7| 7| 7| | DAY ON TEST | 6| 2| 1| 3| 7| 6| 2| 2| 2| 2| 5| 2| 2| 3| 4| 8| 4| 2| 2| 4| 0| 3| 2| 2| 2| | | 6| 9| 9| 0| 5| 9| 9| 9| 9| 9| 6| 9| 9| 0| 2| 9| 8| 9| 1| 2| 9| 0| 9| 9| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 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 | | | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | | 1 2.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Tooth | + | 2 | Malformation | 4 | 1 4.0| Peridontal Tissue, Inflammation | | 1 4.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 2 | 6 1.8| Myocardium, Fibrosis | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 | 1 2.0| Vacuolization Cytoplasmic | 2 1 1 2 1 | 14 1.9| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 4 3.8| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + M| 49 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 4 4| 3 3.7| Cyst | | 1 4.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 69 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 6| 7| 6| 6| 5| 7| 7| 7| 7| | DAY ON TEST | 6| 2| 1| 3| 7| 6| 2| 2| 2| 2| 5| 2| 2| 3| 4| 8| 4| 2| 2| 4| 0| 3| 2| 2| 2| | | 6| 9| 9| 0| 5| 9| 9| 9| 9| 9| 6| 9| 9| 0| 2| 9| 8| 9| 1| 2| 9| 0| 9| 9| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 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 | | | Hemorrhage | 4 | 1 4.0| Hyperplasia | 3 3 | 2 3.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 1 2 | 4 1.5| Follicular Cell, Hyperplasia | | 1 3.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Peritoneum | | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Coagulating Gland | + | 2 | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 3 | 3 3.3| |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 2.0| Inflammation, Suppurative | 3 1 2 2 2 2 2 2 2 2 3 1 2| 24 1.8| |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Dilatation | | 1 3.0| |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Germinal Epithelium, Atrophy | 3 2 4 2 2 4 | 19 2.4| Interstitial Cell, Hyperplasia | 3 3 | 3 3.0| _____________________________________________________________________________________________________________________| | 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 70 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 6| 7| 6| 6| 5| 7| 7| 7| 7| | DAY ON TEST | 6| 2| 1| 3| 7| 6| 2| 2| 2| 2| 5| 2| 2| 3| 4| 8| 4| 2| 2| 4| 0| 3| 2| 2| 2| | | 6| 9| 9| 0| 5| 9| 9| 9| 9| 9| 6| 9| 9| 0| 2| 9| 8| 9| 1| 2| 9| 0| 9| 9| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 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 | | | |__________________________________________________________________________|____________| Lymph Node | + + + + + | 7 | Deep Cervical, Ectasia | | 1 3.0| Deep Cervical, Inflammation | 4 | 1 4.0| Pancreatic, Pigmentation | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Bronchial | M + + M + M M M M M M M + + M M + + M M M M M M M| 7 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | M + + M M M M M M M M M M M M M M M M M M M M M M| 3 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ectasia | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + M + M + + + + + + + + + + + M + + M M M M| 41 | Angiectasis | | 1 3.0| Hyperplasia, Lymphoid | | 1 2.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Spleen | X | 3 | Fibrosis | 2 | 1 2.0| Necrosis | 4 | 2 4.0| |__________________________________________________________________________|____________| Thymus | + + + + M + M + + + + + + M + + + + + + + M + + +| 46 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | 4 | 2 4.0| Metaplasia, Squamous | | 1 3.0| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst Epithelial Inclusion | 4 4 4 X | 5 4.0| Hyperkeratosis | | 1 4.0| _____________________________________________________________________________________________________________________| | * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 71 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 6| 7| 6| 6| 5| 7| 7| 7| 7| | DAY ON TEST | 6| 2| 1| 3| 7| 6| 2| 2| 2| 2| 5| 2| 2| 3| 4| 8| 4| 2| 2| 4| 0| 3| 2| 2| 2| | | 6| 9| 9| 0| 5| 9| 9| 9| 9| 9| 6| 9| 9| 0| 2| 9| 8| 9| 1| 2| 9| 0| 9| 9| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 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 | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | 3 3 3 | 4 3.0| Hemorrhage | 2 | 4 2.5| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + A + + + + + + + + + + + + + + + + + + +| 49 | Foreign Body | 4 4 | 2 4.0| Inflammation, Suppurative | 3 | 2 3.5| Epiglottis, Hyperplasia | 2 | 1 2.0| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 2 3.0| Inflammation, Chronic | 2 | 2 2.0| Alveolar Epithelium, Hyperplasia | 4 | 2 3.5| Alveolus, Infiltration Cellular, | | | Histiocyte | 2 | 3 2.0| Alveolus, Proteinosis | | 1 2.0| Interstitium, Fibrosis | 2 | 1 2.0| |__________________________________________________________________________|____________| Nose | + + + + + A + + + + + + + + + + + + + + + + + + +| 49 | Foreign Body | 4 3 3 3 | 6 3.2| Inflammation, Suppurative | 4 2 1 2 1 4 2 | 10 2.2| Glands, Dilatation | 1 1 | 2 1.0| Goblet Cell, Hyperplasia | 1 | 1 1.0| Nasolacrimal Duct, Inflammation, | | | Suppurative | 2 | 1 2.0| Olfactory Epithelium, Degeneration, | | | Hyaline | 1 2 1 3 3 1 1 2 3 1 3 3 1| 25 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 72 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 6| 7| 6| 6| 5| 7| 7| 7| 7| | DAY ON TEST | 6| 2| 1| 3| 7| 6| 2| 2| 2| 2| 5| 2| 2| 3| 4| 8| 4| 2| 2| 4| 0| 3| 2| 2| 2| | | 6| 9| 9| 0| 5| 9| 9| 9| 9| 9| 6| 9| 9| 0| 2| 9| 8| 9| 1| 2| 9| 0| 9| 9| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 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| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Respiratory Epithelium, Hyperplasia | 1 | 2 1.5| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 2 | 2 2.0| |__________________________________________________________________________|____________| Trachea | + + + + + A + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | + | 1 | Cyst | 4 | 1 4.0| |__________________________________________________________________________|____________| Eye | + + + + + A + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lacrimal Gland | | 1 | |__________________________________________________________________________|____________| Zymbal's Gland | + + + M M + M + + + + + + + + + M + + + + + + + M| 41 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | | 1 4.0| Nephropathy, Chronic | 2 2 2 2 1 2 4 3 3 1 2 1 4 4 1 1 1 2 3 2 4 3 4 1 3| 50 2.3| Cortex, Renal Tubule, Accumulation, | | | Hyaline Droplet | 4 | 2 3.0| Cortex, Renal Tubule, Hyperplasia | 2 4 1 | 3 2.3| Papilla, Mineralization | 1 1 | 8 1.0| Pelvis, Transitional Epithelium, | | | Hyperplasia | 1 | 1 1.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + A + + + + + + + + + + + + + + + + + + +| 49 | Transitional Epithelium, Hyperplasia | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 73 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 5| 6| 5| 6| 7| 6| 5| 6| 5| 5| 6| 0| 6| 5| 7| 5| 7| 5| 7| DAY ON TEST | 3| 5| 2| 2| 3| 2| 0| 8| 6| 9| 2| 5| 6| 3| 6| 9| 0| 0| 1| 9| 3| 5| 0| 0| 3| | 0| 6| 9| 9| 0| 9| 9| 4| 5| 0| 9| 6| 1| 4| 5| 0| 5| 9| 1| 3| 0| 0| 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| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 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 | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + A + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + A + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + + + +| Hemorrhage | 4 | |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + A + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + A + + + + + + + A + + + + A + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + A + + + + + + + A + + + + A + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + A + + + + + + +| Basophilic Focus | X X X X X X| Clear Cell Focus | X X X X X | Degeneration, Cystic | 4 | Eosinophilic Focus | X | Hepatodiaphragmatic Nodule | 4 4 4 4 4 | Necrosis | 4 4 4 | Vacuolization Cytoplasmic | | Bile Duct, Dilatation | | Bile Duct, Hyperplasia | 3 | Hepatocyte, Regeneration | | |__________________________________________________________________________| Mesentery | + + + + + | Necrosis | 1 2 2 3 3 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + A + + + + + + +| Acinus, Atrophy | 4 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + A + + + + + + +| Hyperplasia, Squamous | | __________________________________________|__________________________________________________________________________| Page 74 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 5| 6| 5| 6| 7| 6| 5| 6| 5| 5| 6| 0| 6| 5| 7| 5| 7| 5| 7| DAY ON TEST | 3| 5| 2| 2| 3| 2| 0| 8| 6| 9| 2| 5| 6| 3| 6| 9| 0| 0| 1| 9| 3| 5| 0| 0| 3| | 0| 6| 9| 9| 0| 9| 9| 4| 5| 0| 9| 6| 1| 4| 5| 0| 5| 9| 1| 3| 0| 0| 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| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 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 | | Necrosis | | Ulcer | 4 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + A + + + + + + +| Erosion | 3 3 | Mineralization | | Ulcer | | |__________________________________________________________________________| Tongue | | Epithelium, Hyperplasia | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + A + + + + + + +| Pulmonary Artery, Degeneration, | | Mucoid | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + A + + + + + + +| Cardiomyopathy | 3 3 3 | Inflammation, Focal, Suppurative | | Atrium, Thrombosis | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + A + + + + + + +| Mineralization | | Vacuolization Cytoplasmic | 1 3 2 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + A + + + + + + +| Hyperplasia | 1 4 3 2 2 3 | Thrombosis | | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + A + + + + + + +| Hyperplasia | 4 | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________|__________________________________________________________________________| Page 75 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 5| 6| 5| 6| 7| 6| 5| 6| 5| 5| 6| 0| 6| 5| 7| 5| 7| 5| 7| DAY ON TEST | 3| 5| 2| 2| 3| 2| 0| 8| 6| 9| 2| 5| 6| 3| 6| 9| 0| 0| 1| 9| 3| 5| 0| 0| 3| | 0| 6| 9| 9| 0| 9| 9| 4| 5| 0| 9| 6| 1| 4| 5| 0| 5| 9| 1| 3| 0| 0| 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| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 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 | | Angiectasis | | Hemorrhage | 4 | Hyperplasia | 4 4 4 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + A + + + + + + +| C-Cell, Hyperplasia | 2 1 1 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Peritoneum | + +| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Coagulating Gland | + | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Penis | + | Necrosis | 4 | |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + A + + + + + + +| Hyperplasia | 4 4 | Inflammation, Suppurative | 4 | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + A + + + + + + +| Inflammation, Suppurative | 1 1 2 2 1 1 2 2 2 2 2 3 2 2 | |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + A + + + + + + +| Bilateral, Interstitial Cell, | | Hyperplasia | 3 | Germinal Epithelium, Atrophy | 4 4 4 2 4 1 | Interstitial Cell, Hyperplasia | 3 3 3 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________|__________________________________________________________________________| Page 76 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 5| 6| 5| 6| 7| 6| 5| 6| 5| 5| 6| 0| 6| 5| 7| 5| 7| 5| 7| DAY ON TEST | 3| 5| 2| 2| 3| 2| 0| 8| 6| 9| 2| 5| 6| 3| 6| 9| 0| 0| 1| 9| 3| 5| 0| 0| 3| | 0| 6| 9| 9| 0| 9| 9| 4| 5| 0| 9| 6| 1| 4| 5| 0| 5| 9| 1| 3| 0| 0| 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| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 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 | + + + + + + + + | Pancreatic, Hemorrhage | 4 | |__________________________________________________________________________| Lymph Node, Bronchial | M M M M M M M + M M + M M M + M M M + + M M M M M| Hemorrhage | 4 | |__________________________________________________________________________| Lymph Node, Mandibular | M M M M M M M M M M M M M M + M M M + M M M M M M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + A + M + + + + +| Angiectasis | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + A + + + + + + +| Accessory Spleen | X X | Fibrosis | X 3 3 3 | Hemorrhage | | Necrosis | 3 4 3 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + A + M + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + A + + + + + + +| Galactocele | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + A + + + + + + +| Cyst Epithelial Inclusion | 4 | Hyperkeratosis | 4 3 3 3 | Prepuce, Ulcer | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + + | __________________________________________|__________________________________________________________________________| Page 77 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 5| 6| 5| 6| 7| 6| 5| 6| 5| 5| 6| 0| 6| 5| 7| 5| 7| 5| 7| DAY ON TEST | 3| 5| 2| 2| 3| 2| 0| 8| 6| 9| 2| 5| 6| 3| 6| 9| 0| 0| 1| 9| 3| 5| 0| 0| 3| | 0| 6| 9| 9| 0| 9| 9| 4| 5| 0| 9| 6| 1| 4| 5| 0| 5| 9| 1| 3| 0| 0| 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| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 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| __________________________________________|__________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + A + + + + + + +| Compression | 2 X X | Gliosis | 3 | Hemorrhage | 3 4 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + A + + + + + + +| Foreign Body | 4 | Inflammation, Suppurative | | Epiglottis, Hyperplasia | | Epiglottis, Metaplasia, Squamous | 2 | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + A + + + + + + +| Hemorrhage | 2 | Inflammation, Chronic | 1 1 | Inflammation, Suppurative | 4 | Alveolar Epithelium, Hyperplasia | 1| Alveolus, Infiltration Cellular, | | Histiocyte | 2 1 2 2| Artery, Mineralization | | Artery, Thrombosis | 4 | Interstitium, Fibrosis | 1| |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + A + + + + + + +| Foreign Body | 3 3 | Inflammation, Suppurative | 3 3 3 2 2 2 1| Glands, Dilatation | 1 2 2 | Goblet Cell, Hyperplasia | 2 | Olfactory Epithelium, Degeneration, | | Hyaline | 1 3 2 2 3 4 4 3 3 3 4 4 2 2 1 3 3 1 3 2 2 3 4 3| Respiratory Epithelium, Hyperplasia | 3 2 | Respiratory Epithelium, Metaplasia, | | Squamous | | |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + A + + + + + + +| Inflammation, Chronic | 1 1 | __________________________________________|__________________________________________________________________________| Page 78 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 5| 6| 5| 6| 7| 6| 5| 6| 5| 5| 6| 0| 6| 5| 7| 5| 7| 5| 7| DAY ON TEST | 3| 5| 2| 2| 3| 2| 0| 8| 6| 9| 2| 5| 6| 3| 6| 9| 0| 0| 1| 9| 3| 5| 0| 0| 3| | 0| 6| 9| 9| 0| 9| 9| 4| 5| 0| 9| 6| 1| 4| 5| 0| 5| 9| 1| 3| 0| 0| 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| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 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 | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + A + + + + + + +| Glands, Cyst | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + A + + + + + + +| Anterior Chamber, Inflammation, | | Suppurative | | Cornea, Inflammation, Suppurative | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Zymbal's Gland | + M M + + + M + + + + + + + + + M A + M + M + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + A + + + + + + +| Nephropathy, Chronic | 4 2 4 3 3 3 1 4 3 3 4 2 3 3 3 3 3 2 2 3 2 3 3 2| Pigmentation | 2 | Cortex, Renal Tubule, Accumulation, | | Hyaline Droplet | 2 4 4 4 3 3 2| Cortex, Renal Tubule, Hyperplasia | 2 2 | Cortex, Renal Tubule, Necrosis | 3 | Papilla, Mineralization | 2 2 2 2 1 1 1 1 2 2 1 1 2 2 2 1 2 | Pelvis, Inflammation, Suppurative | | Pelvis, Transitional Epithelium, | | Hyperplasia | 1 1 | Renal Tubule, Pigmentation | 4 4| |__________________________________________________________________________| Urethra | | Transitional Epithelium, Hyperplasia | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + A + + + + + + +| Transitional Epithelium, Hyperplasia | 1 2 | __________________________________________|__________________________________________________________________________ Page 79 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 6| 7| 6| 6| 7| 3| 6| 6| 7| 5| 7| 7| 6| 6| 7| 4| 6| 7| 5| 7| 7| 7| | DAY ON TEST | 5| 3| 1| 7| 2| 8| 9| 2| 6| 4| 9| 2| 5| 3| 2| 4| 4| 2| 3| 2| 1| 3| 3| 1| 2| | | 2| 0| 9| 0| 9| 1| 7| 9| 1| 6| 6| 9| 0| 0| 9| 2| 6| 9| 1| 1| 6| 7| 0| 8| 2| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Colon | A + + + + + + + + + + + + + + + + + A + + + + + +| 46 | |__________________________________________________________________________|____________| Intestine Large, Rectum | A + + + + + + + + + + + + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Large, Cecum | A + + + + + + + + + A + + + + + + + + + + + + + +| 47 | Hemorrhage | | 1 4.0| |__________________________________________________________________________|____________| Intestine Small, Duodenum | A + + + + + + + + + + + + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | A + A + + + + + + + A + + + + + + + A + A + + + +| 42 | |__________________________________________________________________________|____________| Intestine Small, Ileum | A + + + + + + + + + A + + + + + + + A + A + + + +| 43 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | X X X X X X X X X | 15 | Clear Cell Focus | X X X X X X | 11 | Degeneration, Cystic | | 1 4.0| Eosinophilic Focus | | 1 | Hepatodiaphragmatic Nodule | 4 4 4 4 4 4 | 11 4.0| Necrosis | | 3 4.0| Vacuolization Cytoplasmic | 4 4 | 2 4.0| Bile Duct, Dilatation | 4| 1 4.0| Bile Duct, Hyperplasia | | 1 3.0| Hepatocyte, Regeneration | 4 | 1 4.0| |__________________________________________________________________________|____________| Mesentery | + + + + + | 10 | Necrosis | 3 3 2 2 3 | 10 2.4| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Acinus, Atrophy | | 1 4.0| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 80 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 6| 7| 6| 6| 7| 3| 6| 6| 7| 5| 7| 7| 6| 6| 7| 4| 6| 7| 5| 7| 7| 7| | DAY ON TEST | 5| 3| 1| 7| 2| 8| 9| 2| 6| 4| 9| 2| 5| 3| 2| 4| 4| 2| 3| 2| 1| 3| 3| 1| 2| | | 2| 0| 9| 0| 9| 1| 7| 9| 1| 6| 6| 9| 0| 0| 9| 2| 6| 9| 1| 1| 6| 7| 0| 8| 2| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 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 | | | Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Squamous | 2 2 | 2 2.0| Necrosis | 1 | 1 1.0| Ulcer | 4 4 | 3 4.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Erosion | 4| 3 3.3| Mineralization | 2| 1 2.0| Ulcer | 4 | 1 4.0| |__________________________________________________________________________|____________| Tongue | + + + | 3 | Epithelium, Hyperplasia | 2 3 4 | 3 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Pulmonary Artery, Degeneration, | | | Mucoid | 4| 1 4.0| |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cardiomyopathy | 2 | 4 2.8| Inflammation, Focal, Suppurative | 4 | 1 4.0| Atrium, Thrombosis | | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Mineralization | 2 | 1 2.0| Vacuolization Cytoplasmic | 3 3| 6 2.3| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 2 2 4 3 3 | 11 2.6| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 81 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 6| 7| 6| 6| 7| 3| 6| 6| 7| 5| 7| 7| 6| 6| 7| 4| 6| 7| 5| 7| 7| 7| | DAY ON TEST | 5| 3| 1| 7| 2| 8| 9| 2| 6| 4| 9| 2| 5| 3| 2| 4| 4| 2| 3| 2| 1| 3| 3| 1| 2| | | 2| 0| 9| 0| 9| 1| 7| 9| 1| 6| 6| 9| 0| 0| 9| 2| 6| 9| 1| 1| 6| 7| 0| 8| 2| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 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 | | | Thrombosis | 4 | 1 4.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | | 1 4.0| |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + M + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | 1 | 1 1.0| Hemorrhage | 4 | 2 4.0| Hyperplasia | 3 | 4 3.8| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | C-Cell, Hyperplasia | 1 1 | 7 1.1| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Peritoneum | | 2 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Coagulating Gland | + | 2 | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Penis | | 1 | Necrosis | | 1 4.0| |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 3 | 3 3.7| Inflammation, Suppurative | 4 4 4 | 4 4.0| |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Suppurative | 1 2 4 3 3 2 2 2 3 2 2 3 4| 27 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 82 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 6| 7| 6| 6| 7| 3| 6| 6| 7| 5| 7| 7| 6| 6| 7| 4| 6| 7| 5| 7| 7| 7| | DAY ON TEST | 5| 3| 1| 7| 2| 8| 9| 2| 6| 4| 9| 2| 5| 3| 2| 4| 4| 2| 3| 2| 1| 3| 3| 1| 2| | | 2| 0| 9| 0| 9| 1| 7| 9| 1| 6| 6| 9| 0| 0| 9| 2| 6| 9| 1| 1| 6| 7| 0| 8| 2| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 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 | | | |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Bilateral, Interstitial Cell, | | | Hyperplasia | | 1 3.0| Germinal Epithelium, Atrophy | 2 2 3 3 2 2 4 1 1 4 4 4| 18 2.8| Interstitial Cell, Hyperplasia | 3 3 3 | 7 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Lymph Node | + + + + + + + | 15 | Pancreatic, Hemorrhage | | 1 4.0| |__________________________________________________________________________|____________| Lymph Node, Bronchial | M M + + M + M M M M + M M M M M M M M M M M M M M| 9 | Hemorrhage | | 1 4.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | M M M M M M M M M M + M M M M M M M M M M M M M M| 3 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + M + + + + + + + + + + + + + + + + + M + + +| 46 | Angiectasis | 4| 1 4.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Accessory Spleen | X X | 4 | Fibrosis | 4 3 4| 7 3.3| Hemorrhage | 4 | 1 4.0| Necrosis | 4 4 | 5 3.6| |__________________________________________________________________________|____________| Thymus | + + + M + + + + + + + + + + + + + + + + + M + + +| 46 | _____________________________________________________________________________________________________________________| | * : 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 83 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 6| 7| 6| 6| 7| 3| 6| 6| 7| 5| 7| 7| 6| 6| 7| 4| 6| 7| 5| 7| 7| 7| | DAY ON TEST | 5| 3| 1| 7| 2| 8| 9| 2| 6| 4| 9| 2| 5| 3| 2| 4| 4| 2| 3| 2| 1| 3| 3| 1| 2| | | 2| 0| 9| 0| 9| 1| 7| 9| 1| 6| 6| 9| 0| 0| 9| 2| 6| 9| 1| 1| 6| 7| 0| 8| 2| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 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 | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Galactocele | 4 4 | 2 4.0| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst Epithelial Inclusion | 4 4 | 3 4.0| Hyperkeratosis | 3 4 | 6 3.3| Prepuce, Ulcer | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Skeletal Muscle | | 2 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Compression | 3 2 | 5 2.3| Gliosis | | 1 3.0| Hemorrhage | 2 3 | 4 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + A + + + + + + + + + + + + + +| 48 | Foreign Body | | 1 4.0| Inflammation, Suppurative | 1 | 1 1.0| Epiglottis, Hyperplasia | 2 | 1 2.0| Epiglottis, Metaplasia, Squamous | | 1 2.0| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hemorrhage | | 1 2.0| Inflammation, Chronic | 2 2 2 | 5 1.6| Inflammation, Suppurative | | 1 4.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 84 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 6| 7| 6| 6| 7| 3| 6| 6| 7| 5| 7| 7| 6| 6| 7| 4| 6| 7| 5| 7| 7| 7| | DAY ON TEST | 5| 3| 1| 7| 2| 8| 9| 2| 6| 4| 9| 2| 5| 3| 2| 4| 4| 2| 3| 2| 1| 3| 3| 1| 2| | | 2| 0| 9| 0| 9| 1| 7| 9| 1| 6| 6| 9| 0| 0| 9| 2| 6| 9| 1| 1| 6| 7| 0| 8| 2| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 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| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Alveolar Epithelium, Hyperplasia | 2 2 2 2 | 5 1.8| Alveolus, Infiltration Cellular, | | | Histiocyte | 2 2 2 3 | 8 2.0| Artery, Mineralization | 4| 1 4.0| Artery, Thrombosis | | 1 4.0| Interstitium, Fibrosis | 3 2 2 | 4 2.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Foreign Body | 3 3 | 4 3.0| Inflammation, Suppurative | 2 3 2 1 | 11 2.2| Glands, Dilatation | 2 2 2 2| 7 1.9| Goblet Cell, Hyperplasia | 3 | 2 2.5| Olfactory Epithelium, Degeneration, | | | Hyaline | 3 3 3 3 4 3 4 3 3 4 4 4 4 2 4 3 2 3 4 4 4| 45 3.0| Respiratory Epithelium, Hyperplasia | 2 2 | 4 2.3| Respiratory Epithelium, Metaplasia, | | | Squamous | 2 | 1 2.0| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic | 2 | 3 1.3| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Glands, Cyst | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Anterior Chamber, Inflammation, | | | Suppurative | 3| 1 3.0| Cornea, Inflammation, Suppurative | 2| 1 2.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Zymbal's Gland | M + + M + + M + M + + + + + + + + + + + + + + + +| 39 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 85 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 6| 7| 6| 6| 7| 3| 6| 6| 7| 5| 7| 7| 6| 6| 7| 4| 6| 7| 5| 7| 7| 7| | DAY ON TEST | 5| 3| 1| 7| 2| 8| 9| 2| 6| 4| 9| 2| 5| 3| 2| 4| 4| 2| 3| 2| 1| 3| 3| 1| 2| | | 2| 0| 9| 0| 9| 1| 7| 9| 1| 6| 6| 9| 0| 0| 9| 2| 6| 9| 1| 1| 6| 7| 0| 8| 2| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 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 | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Nephropathy, Chronic | 3 3 1 4 4 3 4 3 3 4 4 3 3 4 3 3 2 3 1 2 4 1 3 4 4| 49 2.9| Pigmentation | | 1 2.0| Cortex, Renal Tubule, Accumulation, | | | Hyaline Droplet | 4 2 | 9 3.1| Cortex, Renal Tubule, Hyperplasia | 1 3 3 4 4| 7 2.7| Cortex, Renal Tubule, Necrosis | | 1 3.0| Papilla, Mineralization | 2 2 2 1 2 2 2 1 1 1 1 | 28 1.6| Pelvis, Inflammation, Suppurative | 2| 1 2.0| Pelvis, Transitional Epithelium, | | | Hyperplasia | 1 1 2 2| 6 1.3| Renal Tubule, Pigmentation | | 2 4.0| |__________________________________________________________________________|____________| Urethra | +| 1 | Transitional Epithelium, Hyperplasia | 4| 1 4.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Transitional Epithelium, Hyperplasia | 4| 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 86 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 6| 6| 6| 7| 5| 6| 6| 6| 5| 6| 7| 7| 7| 2| 7| 7| 7| 6| 6| 7| 7| 7| 6| 7| 5| DAY ON TEST | 4| 6| 5| 3| 9| 3| 5| 3| 8| 3| 2| 2| 3| 5| 3| 3| 2| 8| 4| 2| 3| 2| 9| 3| 0| | 8| 6| 5| 0| 8| 5| 6| 9| 2| 1| 9| 5| 0| 4| 0| 0| 4| 1| 8| 9| 0| 9| 8| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + A + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + A + + + + + + +| Epithelium, Hyperplasia | 3 | |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A + + + + A + +| Epithelium, Hyperplasia | 3 | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + A + + + + A + +| Epithelium, Hyperplasia | 3 | |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X X | Clear Cell Focus | X X X | Degeneration, Cystic | 4 3 | Eosinophilic Focus | | Fatty Change | 2 | Hepatodiaphragmatic Nodule | 4 4 | Necrosis | | Vacuolization Cytoplasmic | | Bile Duct, Hyperplasia | | |__________________________________________________________________________| Mesentery | + + + | Necrosis | 3 3 | Thrombosis | 4 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 87 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 6| 6| 6| 7| 5| 6| 6| 6| 5| 6| 7| 7| 7| 2| 7| 7| 7| 6| 6| 7| 7| 7| 6| 7| 5| DAY ON TEST | 4| 6| 5| 3| 9| 3| 5| 3| 8| 3| 2| 2| 3| 5| 3| 3| 2| 8| 4| 2| 3| 2| 9| 3| 0| | 8| 6| 5| 0| 8| 5| 6| 9| 2| 1| 9| 5| 0| 4| 0| 0| 4| 1| 8| 9| 0| 9| 8| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 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 | 3 4 | Ulcer | 4 4 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | 3 | Epithelium, Hyperplasia | 1 | |__________________________________________________________________________| Tongue | | Epithelium, Hyperplasia | | |__________________________________________________________________________| Tooth | + | Peridontal Tissue, Inflammation | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 3 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 | Vacuolization Cytoplasmic | 4 2 2 2 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 4 4 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + M + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 | Hyperplasia | 3 | __________________________________________|__________________________________________________________________________| Page 88 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 6| 6| 6| 7| 5| 6| 6| 6| 5| 6| 7| 7| 7| 2| 7| 7| 7| 6| 6| 7| 7| 7| 6| 7| 5| DAY ON TEST | 4| 6| 5| 3| 9| 3| 5| 3| 8| 3| 2| 2| 3| 5| 3| 3| 2| 8| 4| 2| 3| 2| 9| 3| 0| | 8| 6| 5| 0| 8| 5| 6| 9| 2| 1| 9| 5| 0| 4| 0| 0| 4| 1| 8| 9| 0| 9| 8| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 3 3 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Peritoneum | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Coagulating Gland | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | Inflammation, Suppurative | 1 1 1 2 2 2 1 3 2 2 2 2 1 1 2 2 1| |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Interstitial Cell, | | Hyperplasia | 3 | Germinal Epithelium, Atrophy | 4 3 1 4 4 4 4 3 3 4 4 | Interstitial Cell, Hyperplasia | 3 3 3 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + + + | Deep Cervical, Inflammation, | | Suppurative | | |__________________________________________________________________________| Lymph Node, Bronchial | + + M + + M M M M + + + M + M M M M M M M + + M +| Hyperplasia, Lymphoid | 3 3 | __________________________________________|__________________________________________________________________________| Page 89 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 6| 6| 6| 7| 5| 6| 6| 6| 5| 6| 7| 7| 7| 2| 7| 7| 7| 6| 6| 7| 7| 7| 6| 7| 5| DAY ON TEST | 4| 6| 5| 3| 9| 3| 5| 3| 8| 3| 2| 2| 3| 5| 3| 3| 2| 8| 4| 2| 3| 2| 9| 3| 0| | 8| 6| 5| 0| 8| 5| 6| 9| 2| 1| 9| 5| 0| 4| 0| 0| 4| 1| 8| 9| 0| 9| 8| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 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 | | |__________________________________________________________________________| Lymph Node, Mandibular | M M M M M M M M M M M M + M M M M M M M M M M M M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | |__________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + M M + M + + + + + + + + + + + + M M +| |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | | Fibrosis | 2 | Hemorrhage | 4 4 4 | Necrosis | | |__________________________________________________________________________| Thymus | + + + + + + M + + M + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | | Epithelium, Cyst, Squamous | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | | Hyperkeratosis | 3 | Inflammation, Granulomatous | 3 3 | Ulcer | 3 4 | Subcutaneous Tissue, Hemorrhage | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Cranium, Hemorrhage | 4 | |__________________________________________________________________________| Skeletal Muscle | + + | Mineralization | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | __________________________________________|__________________________________________________________________________| Page 90 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 6| 6| 6| 7| 5| 6| 6| 6| 5| 6| 7| 7| 7| 2| 7| 7| 7| 6| 6| 7| 7| 7| 6| 7| 5| DAY ON TEST | 4| 6| 5| 3| 9| 3| 5| 3| 8| 3| 2| 2| 3| 5| 3| 3| 2| 8| 4| 2| 3| 2| 9| 3| 0| | 8| 6| 5| 0| 8| 5| 6| 9| 2| 1| 9| 5| 0| 4| 0| 0| 4| 1| 8| 9| 0| 9| 8| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 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| __________________________________________|__________________________________________________________________________| NERVOUS SYSTEM - cont | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 4 3 | Hemorrhage | 4 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | | Inflammation, Chronic | 2 | Epiglottis, Hyperplasia | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Chronic | 1 | Inflammation, Suppurative | | Alveolar Epithelium, Hyperplasia | 4 4 | Alveolar Epithelium, Metaplasia, | | Squamous | 4 3 | Alveolus, Foreign Body | 2 | Alveolus, Infiltration Cellular, | | Histiocyte | 2 1 1 4 | Interstitium, Fibrosis | 2 1 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 3 | Hemorrhage | 4 | Inflammation, Chronic | 1 2 | Inflammation, Suppurative | | Glands, Dilatation | 1 1 3 1 3 | Goblet Cell, Hyperplasia | 1 2 3 2 1 3 3 2| Nasolacrimal Duct, Inflammation, | | Suppurative | 2 | Olfactory Epithelium, Degeneration, | | Hyaline | 2 2 2 4 4 4 3 4 3 4 4 3 4 2 3 4 2 4 3 3 4 4 4 4 4| Olfactory Epithelium, Hyperplasia, | | Basal Cell | 3 | Respiratory Epithelium, Hyperplasia | 3 | __________________________________________|__________________________________________________________________________| Page 91 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 6| 6| 6| 7| 5| 6| 6| 6| 5| 6| 7| 7| 7| 2| 7| 7| 7| 6| 6| 7| 7| 7| 6| 7| 5| DAY ON TEST | 4| 6| 5| 3| 9| 3| 5| 3| 8| 3| 2| 2| 3| 5| 3| 3| 2| 8| 4| 2| 3| 2| 9| 3| 0| | 8| 6| 5| 0| 8| 5| 6| 9| 2| 1| 9| 5| 0| 4| 0| 0| 4| 1| 8| 9| 0| 9| 8| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 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 | | |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 1 2 | Mesothelium, Hyperplasia | 1 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 | Anterior Chamber, Cornea, | | Inflammation | 2 | Anterior Chamber, Cornea, | | Inflammation, Suppurative | 3 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lacrimal Gland | | |__________________________________________________________________________| Zymbal's Gland | + + + + + + + + + + + + M + + + + + + + + + + M +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 3 3 4 2 2 3 2 4 3 4 4 4 4 1 4 4 4 4 4 4 4 3 4 4 3| Cortex, Infarct | | Cortex, Renal Tubule, Accumulation, | | Hyaline Droplet | 3 1 3 3 3 2 2 3 3 3| Cortex, Renal Tubule, Hyperplasia | 1 4 2 4 3 2 | Papilla, Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2| Pelvis, Transitional Epithelium, | | Hyperplasia | 1 1 1 1 2 2 2 2| |__________________________________________________________________________| Urethra | + | Inflammation, Suppurative | 3 | __________________________________________|__________________________________________________________________________| Page 92 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 _____________________________________________________________________________________________________________________ | 6| 6| 6| 7| 5| 6| 6| 6| 5| 6| 7| 7| 7| 2| 7| 7| 7| 6| 6| 7| 7| 7| 6| 7| 5| DAY ON TEST | 4| 6| 5| 3| 9| 3| 5| 3| 8| 3| 2| 2| 3| 5| 3| 3| 2| 8| 4| 2| 3| 2| 9| 3| 0| | 8| 6| 5| 0| 8| 5| 6| 9| 2| 1| 9| 5| 0| 4| 0| 0| 4| 1| 8| 9| 0| 9| 8| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 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| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Transitional Epithelium, Hyperplasia | 2 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Transitional Epithelium, Hyperplasia | 1 1 2 2 | __________________________________________|__________________________________________________________________________ Page 93 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 5| 7| 6| 6| 7| 5| 6| 5| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| | DAY ON TEST | 2| 3| 3| 2| 2| 2| 2| 3| 3| 6| 8| 3| 1| 1| 5| 2| 2| 1| 6| 3| 8| 3| 2| 1| 9| | | 9| 0| 5| 9| 9| 9| 9| 7| 0| 2| 4| 0| 8| 2| 0| 9| 9| 6| 3| 0| 3| 0| 9| 6| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 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 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + A + + + + A + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + A + + + + A + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + A + + + + A + + A + + + +| 45 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + A + + + + A + + + + + + +| 47 | Epithelium, Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + A + + + + A + + + + + + +| 46 | Epithelium, Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + A + + + + A + + A + + + +| 45 | Epithelium, Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X X| 17 | Clear Cell Focus | X X X X X X| 9 | Degeneration, Cystic | 2 | 3 3.0| Eosinophilic Focus | X X | 2 | Fatty Change | | 1 2.0| Hepatodiaphragmatic Nodule | 4 4 4 | 5 4.0| Necrosis | 4 | 1 4.0| Vacuolization Cytoplasmic | 4 | 1 4.0| Bile Duct, Hyperplasia | 3 | 1 3.0| |__________________________________________________________________________|____________| Mesentery | + + + + | 7 | Necrosis | 3 3 2 | 5 2.8| Thrombosis | | 1 4.0| |__________________________________________________________________________|____________| 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 94 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 5| 7| 6| 6| 7| 5| 6| 5| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| | DAY ON TEST | 2| 3| 3| 2| 2| 2| 2| 3| 3| 6| 8| 3| 1| 1| 5| 2| 2| 1| 6| 3| 8| 3| 2| 1| 9| | | 9| 0| 5| 9| 9| 9| 9| 7| 0| 2| 4| 0| 8| 2| 0| 9| 9| 6| 3| 0| 3| 0| 9| 6| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 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 | | | Artery, Inflammation | 3 | 1 3.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | 4 3 | 4 3.5| Ulcer | 4 4 | 4 4.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis | | 1 3.0| Epithelium, Hyperplasia | | 1 1.0| |__________________________________________________________________________|____________| Tongue | + | 1 | Epithelium, Hyperplasia | 4 | 1 4.0| |__________________________________________________________________________|____________| Tooth | | 1 | Peridontal Tissue, Inflammation | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 1 3 1 | 7 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 3 2.3| Vacuolization Cytoplasmic | 2 4 2 2| 9 2.4| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 2 4 3 2 3 | 9 3.2| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 95 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 5| 7| 6| 6| 7| 5| 6| 5| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| | DAY ON TEST | 2| 3| 3| 2| 2| 2| 2| 3| 3| 6| 8| 3| 1| 1| 5| 2| 2| 1| 6| 3| 8| 3| 2| 1| 9| | | 9| 0| 5| 9| 9| 9| 9| 7| 0| 2| 4| 0| 8| 2| 0| 9| 9| 6| 3| 0| 3| 0| 9| 6| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 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 | | | Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 4.0| |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 1 4.0| Hyperplasia | 3 | 2 3.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 2 1 | 7 1.9| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Peritoneum | + + | 2 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Coagulating Gland | + | 1 | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 2.0| Inflammation, Suppurative | 2 1 2 2 2 1 2 2 2 2| 27 1.7| |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bilateral, Interstitial Cell, | | | Hyperplasia | | 1 3.0| Germinal Epithelium, Atrophy | 1 4 4 4 4 1 4 4 3| 20 3.4| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 96 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 5| 7| 6| 6| 7| 5| 6| 5| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| | DAY ON TEST | 2| 3| 3| 2| 2| 2| 2| 3| 3| 6| 8| 3| 1| 1| 5| 2| 2| 1| 6| 3| 8| 3| 2| 1| 9| | | 9| 0| 5| 9| 9| 9| 9| 7| 0| 2| 4| 0| 8| 2| 0| 9| 9| 6| 3| 0| 3| 0| 9| 6| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 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| | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | Interstitial Cell, Hyperplasia | 3 3 3 | 7 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + + | 6 | Deep Cervical, Inflammation, | | | Suppurative | 4 | 1 4.0| |__________________________________________________________________________|____________| Lymph Node, Bronchial | M + + M + M + M M M M M M + + M M M + M M M + + +| 21 | Hyperplasia, Lymphoid | | 2 3.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | 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 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 2 | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| 45 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Spleen | X | 1 | Fibrosis | 3 3 3| 4 2.8| Hemorrhage | | 3 4.0| Necrosis | 3 | 1 3.0| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + M + + +| 47 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | 4 | 1 4.0| Epithelium, Cyst, Squamous | 4 | 1 4.0| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 97 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 5| 7| 6| 6| 7| 5| 6| 5| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| | DAY ON TEST | 2| 3| 3| 2| 2| 2| 2| 3| 3| 6| 8| 3| 1| 1| 5| 2| 2| 1| 6| 3| 8| 3| 2| 1| 9| | | 9| 0| 5| 9| 9| 9| 9| 7| 0| 2| 4| 0| 8| 2| 0| 9| 9| 6| 3| 0| 3| 0| 9| 6| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 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| | _____________________________________________________________________________________________________________________|____________| INTEGUMENTARY SYSTEM - cont | | | Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst Epithelial Inclusion | 4 | 1 4.0| Hyperkeratosis | | 1 3.0| Inflammation, Granulomatous | | 2 3.0| Ulcer | | 2 3.5| Subcutaneous Tissue, Hemorrhage | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cranium, Hemorrhage | | 1 4.0| |__________________________________________________________________________|____________| Skeletal Muscle | + | 3 | Mineralization | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | 4 | 3 3.7| Hemorrhage | 3 | 2 3.5| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | 4 | 1 4.0| Inflammation, Chronic | 2 2 | 3 2.0| Epiglottis, Hyperplasia | 2 | 1 2.0| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 | 1 2.0| Inflammation, Chronic | 3 1 1 | 4 1.5| Inflammation, Suppurative | 4 3 | 2 3.5| Alveolar Epithelium, Hyperplasia | 4 1 4 4 | 6 3.5| Alveolar Epithelium, Metaplasia, | | | _____________________________________________________________________________________________________________________|____________| * : 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 98 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 5| 7| 6| 6| 7| 5| 6| 5| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| | DAY ON TEST | 2| 3| 3| 2| 2| 2| 2| 3| 3| 6| 8| 3| 1| 1| 5| 2| 2| 1| 6| 3| 8| 3| 2| 1| 9| | | 9| 0| 5| 9| 9| 9| 9| 7| 0| 2| 4| 0| 8| 2| 0| 9| 9| 6| 3| 0| 3| 0| 9| 6| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 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 | | | Squamous | 3 3 | 4 3.3| Alveolus, Foreign Body | 4 | 2 3.0| Alveolus, Infiltration Cellular, | | | Histiocyte | 2 2 1 1 | 8 1.8| Interstitium, Fibrosis | 2 3 1 2 | 6 1.8| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | 3 3 | 3 3.0| Hemorrhage | | 1 4.0| Inflammation, Chronic | 2 1 | 4 1.5| Inflammation, Suppurative | 2 2 3 3| 4 2.5| Glands, Dilatation | 1 3 2 2 1 2 2 1 2 2| 15 1.8| Goblet Cell, Hyperplasia | 2 1 2 2 1 1 3 | 15 1.9| Nasolacrimal Duct, Inflammation, | | | Suppurative | | 1 2.0| Olfactory Epithelium, Degeneration, | | | Hyaline | 4 4 4 3 4 4 4 4 4 3 4 4 3 4 4 3 4 3 3 4 4 4 4 4 4| 50 3.6| Olfactory Epithelium, Hyperplasia, | | | Basal Cell | | 1 3.0| Respiratory Epithelium, Hyperplasia | 1 3 | 3 2.3| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 1 1 2 1 | 7 1.3| Mesothelium, Hyperplasia | 3 | 2 2.0| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | + | 1 | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 1 4.0| Anterior Chamber, Cornea, | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 99 NTP Experiment-Test: 90004-07 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROPYLENE GLYCOL MONO-T-BUTYL ETHER Date: 03/04/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 10:25:09 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 5| 7| 6| 6| 7| 5| 6| 5| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| | DAY ON TEST | 2| 3| 3| 2| 2| 2| 2| 3| 3| 6| 8| 3| 1| 1| 5| 2| 2| 1| 6| 3| 8| 3| 2| 1| 9| | | 9| 0| 5| 9| 9| 9| 9| 7| 0| 2| 4| 0| 8| 2| 0| 9| 9| 6| 3| 0| 3| 0| 9| 6| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 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 | | | Inflammation | | 1 2.0| Anterior Chamber, Cornea, | | | Inflammation, Suppurative | | 1 3.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lacrimal Gland | + | 1 | |__________________________________________________________________________|____________| Zymbal's Gland | + + + + + + + + + + + + + + + + M + + + + + + M +| 46 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 4 4 4 3 4 4 4 3 3 4 3 3 3 2 4 3 4 3 3 4 3 4 4 4 4| 50 3.5| Cortex, Infarct | 3 4 | 2 3.5| Cortex, Renal Tubule, Accumulation, | | | Hyaline Droplet | 4 2 3 2 2 1 4| 17 2.6| Cortex, Renal Tubule, Hyperplasia | 1 1 3 4 2 2 2 1 2 1 4 2 4| 19 2.4| Papilla, Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| 41 1.0| Pelvis, Transitional Epithelium, | | | Hyperplasia | 1 1 1 1 1 2 2| 15 1.4| |__________________________________________________________________________|____________| Urethra | + | 2 | Inflammation, Suppurative | | 1 3.0| Transitional Epithelium, Hyperplasia | 4 | 2 3.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Transitional Epithelium, Hyperplasia | 3 1 | 6 1.7| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 100 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------