TDMS Study 97013-14 Pathology Tables
NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 FINAL #1/P53 Facility: Battelle Columbus Laboratory Chemical CAS #: 79-43-6 Lock Date: 07/31/01 Cage Range: All Reasons For Removal: 25019 Moribund Sacrifice 25020 Natural Death 25021 Terminal Sacrifice Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | | | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) FEMALE | 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| | A | 0 MG/L | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + | 15 | Inflammation, Chronic Active | 1 1 2 1 1 2 1 2 1 1 1 1 1 1 1 | 15 1.2| Hepatocyte, Necrosis | 1 | 1 1.0| Hepatocyte, Vacuolization Cytoplasmic| 1 1 1 | 3 1.0| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + | 15 | Accessory Adrenal Cortical Nodule | 2 1 1 2 | 4 1.5| Subcapsular, Hyperplasia | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | 14 1.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Parathyroid Gland | + | 1 | Cyst | 2 | 1 2.0| |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + | 15 | Pars Distalis, Cyst | 1 | 1 1.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 2 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | | | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) FEMALE | 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| | A | 0 MG/L | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Pars Distalis, Hyperplasia | 1 | 1 1.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + | 15 | Ectopic Thymus | 2 | 1 2.0| Infiltration Cellular, Lymphocyte | 2 2 | 2 2.0| Follicle, Degeneration | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + | 15 | Inflammation, Chronic Active | 3 | 1 3.0| Endometrium, Hyperplasia, Cystic | 2 2 1 2 1 1 1 2 | 8 1.5| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + | 15 | Hyperplasia, Lymphoid | 2 | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + | 15 | Cyst | 2 1 2 1 2 1 2 1 2 2 | 10 1.6| Ectopic Parathyroid Gland | 1 2 | 2 1.5| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 3 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | | | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) FEMALE | 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| | A | 0 MG/L | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + | 15 | Nephropathy | 1 1 1 | 3 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 4 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | | | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) FEMALE | 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| | A | 500 MG/L | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| | L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + | 15 | Inflammation, Chronic Active | 1 1 1 1 2 1 1 1 1 1 1 1 1 1 | 14 1.1| Hepatocyte, Vacuolization Cytoplasmic| 2 2 3 3 2 3 2 2 2 2 2 2 2 2 2 | 15 2.2| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + | 15 | Accessory Adrenal Cortical Nodule | 2 2 | 2 2.0| Subcapsular, Hyperplasia | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | 14 1.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + | 15 | Pars Distalis, Cyst | 1 1 | 2 1.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + | 15 | Infiltration Cellular, Lymphocyte | 2 | 1 2.0| Follicle, Degeneration | 1 1 1 | 3 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 5 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | | | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) FEMALE | 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| | A | 500 MG/L | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| | L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + | 15 | Cyst | 3 2 | 2 2.5| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + | 15 | Endometrium, Hyperplasia, Cystic | 2 1 1 2 1 1 3 2 3 2 3 2 | 12 1.9| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Lymph Node | + | 1 | Mediastinal, Hyperplasia, Lymphoid | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + | 15 | Cyst | 1 2 1 4 1 1 1 2 2 2 3 | 11 1.8| Ectopic Parathyroid Gland | 1 1 | 2 1.0| Thymocyte, Necrosis | 2 2 2 1 2 2 | 6 1.8| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 6 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | | | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) FEMALE | 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| | A | 500 MG/L | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| | L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Lung | + + + + + + + + + + + + + + + | 15 | Inflammation, Chronic Active | 1 2 | 2 1.5| Alveolus, Infiltration Cellular, | | | Histiocyte | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + | 15 | Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 | 11 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 7 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | | | 8| 8| 8| 3| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) FEMALE | 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| 3| 3| 3| 3| 3| 3| | A | 1000MG/L | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + | 15 | Inflammation, Chronic Active | 1 1 2 1 1 1 1 1 1 1 1 2 1 | 13 1.2| Hepatocyte, Vacuolization Cytoplasmic| 4 3 3 3 3 3 3 3 3 3 3 3 3 3 3 | 15 3.1| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + | 15 | Accessory Adrenal Cortical Nodule | 1 | 1 1.0| Subcapsular, Hyperplasia | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | 15 1.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + | 15 | Pars Distalis, Cyst | 1 1 1 | 3 1.0| Pars Distalis, Hyperplasia | 1 1 1 | 3 1.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 8 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | | | 8| 8| 8| 3| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) FEMALE | 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| 3| 3| 3| 3| 3| 3| | A | 1000MG/L | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + | 15 | Cyst | 2 | 1 2.0| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + | 15 | Endometrium, Hyperplasia, Cystic | 2 2 2 1 2 1 2 1 1 2 2 1 2 | 13 1.6| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + | 15 | Hyperplasia, Lymphoid | 3 2 2 2 | 4 2.3| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + | 15 | Cyst | 1 2 2 1 1 1 1 3 1 3 2 | 11 1.6| Ectopic Parathyroid Gland | 1 | 1 1.0| Thymocyte, Necrosis | 2 2 | 2 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + | 15 | Inflammation, Chronic Active | 1 1 1 | 3 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 9 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | | | 8| 8| 8| 3| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) FEMALE | 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| 3| 3| 3| 3| 3| 3| | A | 1000MG/L | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + | 15 | Mineralization | 1 1 1 1 | 4 1.0| Nephropathy | 1 1 1 1 1 1 1 | 7 1.0| Renal Tubule, Dilatation | 2 2 | 2 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 10 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| | | | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 3| 8| 8| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) FEMALE | 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| | A | 2000MG/L | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + | 15 | Inflammation, Chronic Active | 1 2 1 2 1 1 1 1 1 1 1 1 1 1 | 14 1.1| Hepatocyte, Vacuolization Cytoplasmic| 4 4 4 4 4 3 4 3 3 3 3 4 3 3 3 | 15 3.5| |__________________________________________________________________________|____________| Mesentery | + | 1 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + | 15 | Inflammation, Chronic Active | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + | 15 | Subcapsular, Hyperplasia | 1 1 1 1 1 1 2 1 1 1 1 1 1 1 | 14 1.1| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + | 15 | Pars Distalis, Hyperplasia | 1 1 1 1 1 | 5 1.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 11 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| | | | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 3| 8| 8| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) FEMALE | 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| | A | 2000MG/L | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + | 15 | Cyst | 2 | 1 2.0| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + | 15 | Inflammation, Chronic Active | 1 | 1 1.0| Endometrium, Hyperplasia, Cystic | 2 1 1 1 1 1 2 2 1 2 1 1 2 | 13 1.4| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + | 15 | Hyperplasia, Lymphoid | 2 3 2 3 | 4 2.5| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + | 15 | Hyperplasia, Lymphoid | 2 | 1 2.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + | 15 | Atrophy | 2 | 1 2.0| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + | 15 | Atrophy | 3 | 1 3.0| Cyst | 2 1 2 1 2 2 2 2 2 2 1 1 | 12 1.7| Ectopic Parathyroid Gland | 1 1 | 2 1.0| Thymocyte, Necrosis | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 12 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| | | | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 3| 8| 8| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) FEMALE | 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| | A | 2000MG/L | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + | 15 | Inflammation, Chronic Active | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + | 15 | Cyst | 3 | 1 3.0| Mineralization | 1 | 1 1.0| Nephropathy | 1 1 1 1 1 1 1 1 1 | 9 1.0| Renal Tubule, Dilatation | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 13 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 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| 7| 7| 7| 7| 7| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) MALE | 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| | A | 0 MG/L | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + | 15 | Hematopoietic Cell Proliferation | 1 | 1 1.0| Inflammation, Chronic Active | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | 15 1.0| Hepatocyte, Fatty Change | 1 1 1 2 1 1 1 1 1 1 | 10 1.1| Hepatocyte, Necrosis | 1 | 1 1.0| Hepatocyte, Vacuolization Cytoplasmic| 4 2 3 3 3 2 3 3 3 3 2 3 1 3 2 | 15 2.7| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + | 15 | Accessory Adrenal Cortical Nodule | 1 | 1 1.0| Hypertrophy | 2 | 1 2.0| Subcapsular, Hyperplasia | 1 1 1 1 | 4 1.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + | 15 | Pars Distalis, Cyst | 1 1 1 | 3 1.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 14 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 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| 7| 7| 7| 7| 7| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) MALE | 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| | A | 0 MG/L | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + | 15 | Granuloma Sperm | 3 | 1 3.0| |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + | 15 | Mineralization | 1 | 1 1.0| Germinal Epithelium, Degeneration | 1 1 | 2 1.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + | 15 | Hyperplasia, Lymphoid | 2 | 1 2.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + | 15 | Cyst | 1 1 2 2 2 1 1 1 2 | 9 1.4| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 15 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 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| 7| 7| 7| 7| 7| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) MALE | 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| | A | 0 MG/L | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + | 15 | Nephropathy | 1 1 1 1 1 1 1 1 | 8 1.0| Renal Tubule, Dilatation | 2 1 | 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 16 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 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| 7| 7| 7| 7| 7| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) MALE | 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| | A | 500 MG/L | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + | 15 | Inflammation, Chronic Active | 1 1 1 1 1 1 1 1 1 1 1 1 1 | 13 1.0| Hepatocyte, Fatty Change | 1 1 | 2 1.0| Hepatocyte, Vacuolization Cytoplasmic| 3 3 4 3 4 4 3 4 3 4 3 3 4 3 3 | 15 3.4| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + | 15 | Pars Distalis, Cyst | 1 1 | 2 1.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 17 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 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| 7| 7| 7| 7| 7| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) MALE | 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| | A | 500 MG/L | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + | 15 | Germinal Epithelium, Degeneration | 1 1 1 1 | 4 1.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + | 15 | Hyperplasia, Lymphoid | 2 | 1 2.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + | 15 | Cyst | 2 2 2 2 2 2 2 2 1 | 9 1.9| Hyperplasia, Lymphoid | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 18 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 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| 7| 7| 7| 7| 7| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) MALE | 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| | A | 500 MG/L | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + | 15 | Nephropathy | 1 1 1 1 1 1 1 1 1 1 | 10 1.0| Renal Tubule, Dilatation | 2 1 2 2 | 4 1.8| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 19 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 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| 7| 7| 7| 7| 7| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) MALE | 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| | A | 1000MG/L | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + | 15 | Inflammation, Chronic Active | 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 | 15 1.1| Hepatocyte, Fatty Change | 1 | 1 1.0| Hepatocyte, Necrosis | 1 | 1 1.0| Hepatocyte, Vacuolization Cytoplasmic| 3 4 3 3 3 4 3 3 3 4 4 4 3 3 4 | 15 3.4| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + | 15 | Accessory Adrenal Cortical Nodule | 2 | 1 2.0| Hypertrophy | 2 | 1 2.0| Subcapsular, Hyperplasia | 1 1 1 | 3 1.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + | 15 | Pars Distalis, Cyst | 1 1 | 2 1.0| Pars Distalis, Hyperplasia | 1 1 1 1 1 1 | 6 1.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 20 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 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| 7| 7| 7| 7| 7| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) MALE | 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| | A | 1000MG/L | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + | 15 | Follicle, Cyst | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + | 15 | Infiltration Cellular, Lymphocyte | 2 1 1 | 3 1.3| Inflammation, Chronic Active | 1 | 1 1.0| |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + | 15 | Mineralization | 1 | 1 1.0| Germinal Epithelium, Degeneration | 1 1 1 | 3 1.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + | 15 | Hyperplasia, Lymphoid | 2 2 | 2 2.0| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + | 15 | Cyst | 1 1 2 2 1 2 1 2 1 | 9 1.4| Ectopic Parathyroid Gland | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 21 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 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| 7| 7| 7| 7| 7| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) MALE | 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| | A | 1000MG/L | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + | 15 | Mineralization | 1 | 1 1.0| Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 | 11 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 22 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 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| 7| 7| 7| 7| 7| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) MALE | 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| | A | 2000MG/L | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + | 15 | Inflammation, Chronic Active | 1 1 1 1 1 1 1 1 1 1 1 1 1 | 13 1.0| Hepatocyte, Vacuolization Cytoplasmic| 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 | 15 4.0| |__________________________________________________________________________|____________| Pancreas | + | 1 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + | 15 | Hypertrophy | 1 2 | 2 1.5| Subcapsular, Hyperplasia | 1 1 1 | 3 1.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + | 15 | Pars Distalis, Cyst | 1 | 1 1.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________|____________| * : 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: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 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| 7| 7| 7| 7| 7| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) MALE | 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| | A | 2000MG/L | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Ectopic Thymus | 2 1 | 2 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + | 15 | Germinal Epithelium, Degeneration | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + | 15 | Hyperplasia, Lymphoid | 2 | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + | 15 | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + | 15 | Cyst | 2 1 1 1 1 1 2 1 2 | 9 1.3| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 24 NTP Experiment-Test: 97013-14 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 01/27/05 Route: DOSED WATER Time: 09:29:47 __________________________________________________________________________________________________________________________________ | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | DAY ON TEST | 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| 7| 7| 7| 7| 7| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | P53+/-(C57BL/6) MALE | 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| | A | 2000MG/L | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + | 15 | Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 1 | 12 1.0| Renal Tubule, Dilatation | 1 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 25 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------