TDMS Study 96007-01 Pathology Tables
NTP Experiment-Test: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 31 WEEK SSAC Facility: Battelle Columbus Laboratory Chemical CAS #: 57465-28-8 Lock Date: 01/09/01 Cage Range: All Reasons For Removal: 25017 Scheduled Sacrifice Removal Date Range: 09/24/98 - 09/25/98 Treatment Groups: Include 001 0 NG/KG Include 002 10 NG/KG Include 003 30 NG/KG Include 004 100 NG/KG Include 005 175 NG/KG Include 006 300 NG/KG Include 007 550 NG/KG Include 008 1000 NG/KG Page 1 NTP Experiment-Test: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 2| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | 0 NG/KG | 0| 0| 0| 0| 0| 1| 2| 2| 2| 2| 3| 4| 5| 5| 6| 8| | L | | 1| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 9| 5| 6| 1| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 10 | Inflammation | 1 1 1 2 1 1 1 | 7 1.1| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 10 | Hypertrophy | 1 1 | 2 1.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 10 | Hyperplasia | 1 | 1 1.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 10 | Atrophy | 4 4 4 3 4 4 4 4 | 8 3.9| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 2 NTP Experiment-Test: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 2| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | 0 NG/KG | 0| 0| 0| 0| 0| 1| 2| 2| 2| 2| 3| 4| 5| 5| 6| 8| | L | | 1| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 9| 5| 6| 1| 0| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 10 | Inflammation, Suppurative | 1 | 1 1.0| Metaplasia, Squamous | 2 1 2 1 2 | 5 1.6| Endometrium, Hyperplasia, Cystic | 1 | 1 1.0| |__________________________________________________________________________|____________| Vagina | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 10 | Pigmentation | 2 2 1 1 1 2 2 2 2 2 | 10 1.7| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 10 | Atrophy | 1 1 | 2 1.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 10 | Infiltration Cellular, Histiocyte | 1 1 | 2 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY 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: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 2| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | 0 NG/KG | 0| 0| 0| 0| 0| 1| 2| 2| 2| 2| 3| 4| 5| 5| 6| 8| | L | | 1| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 9| 5| 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 4 NTP Experiment-Test: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 2| 1| 1| 1| 1| 1| 2| 1| 1| 1| 1| 1| 2| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | 10 NG/KG | 0| 0| 0| 0| 0| 1| 2| 2| 2| 2| 2| 3| 3| 4| 4| 4| | L | | 3| 6| 7| 8| 9| 0| 1| 6| 7| 8| 9| 0| 1| 3| 4| 7| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 10 | Clear Cell Focus | X | 1 | Degeneration, Cystic | 1 | 1 1.0| Inflammation | 1 1 1 1 2 2 1 1 1 1 | 10 1.2| Mixed Cell Focus | X X | 2 | Hepatocyte, Hypertrophy | 1 1 1 | 3 1.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 10 | Angiectasis | 2 | 1 2.0| Hypertrophy | 1 1 1 | 3 1.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + | 3 | Follicular Cell, Hypertrophy | 1 1 1 | 3 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 10 | Atrophy | 4 4 4 4 4 4 4 4 | 8 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 10 | Atrophy | 1 1 1 | 3 1.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY 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: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 2| 1| 1| 1| 1| 1| 2| 1| 1| 1| 1| 1| 2| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | 10 NG/KG | 0| 0| 0| 0| 0| 1| 2| 2| 2| 2| 2| 3| 3| 4| 4| 4| | L | | 3| 6| 7| 8| 9| 0| 1| 6| 7| 8| 9| 0| 1| 3| 4| 7| | | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 10 | Infiltration Cellular, Histiocyte | 1 1 1 | 3 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY 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 6 NTP Experiment-Test: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 2| 2| 1| 1| 1| 1| 1| 2| 2| 1| 1| 1| 1| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS 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 | 30 NG/KG | 0| 0| 1| 1| 1| 1| 2| 3| 5| 5| 5| 5| 6| 7| 9| | L | | 2| 3| 6| 7| 8| 9| 0| 4| 2| 7| 8| 9| 0| 3| 6| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Liver | + + + + + + + + + | 9 | Inflammation | 1 2 1 1 1 2 1 2 1 | 9 1.3| Mixed Cell Focus | X X | 2 | Hepatocyte, Hypertrophy | 2 1 1 1 | 4 1.3| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + | 9 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + | 9 | Hyperplasia | 1 | 1 1.0| Hypertrophy | 1 1 | 2 1.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + | 3 | Follicular Cell, Hypertrophy | 2 1 1 | 3 1.3| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + | 9 | Atrophy | 4 4 4 4 | 4 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + | 9 | Atrophy | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY 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 7 NTP Experiment-Test: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 2| 2| 1| 1| 1| 1| 1| 2| 2| 1| 1| 1| 1| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS 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 | 30 NG/KG | 0| 0| 1| 1| 1| 1| 2| 3| 5| 5| 5| 5| 6| 7| 9| | L | | 2| 3| 6| 7| 8| 9| 0| 4| 2| 7| 8| 9| 0| 3| 6| | | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + | 9 | Infiltration Cellular, Histiocyte | 1 1 | 2 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY 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: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 2| 2| 1| 1| 1| 1| 1| 2| 2| 2| 1| 1| 1| 1| 1| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | 100 | 0| 3| 4| 4| 4| 4| 4| 5| 5| 5| 6| 6| 6| 6| 7| 8| | L | NG/KG | 3| 8| 1| 2| 3| 4| 5| 0| 5| 6| 6| 7| 8| 9| 0| 5| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 10 | Basophilic Focus | X | 1 | Inflammation | 1 2 2 1 1 1 1 1 1 2 | 10 1.3| Mixed Cell Focus | X X X | 3 | Necrosis | 1 | 1 1.0| Pigmentation | 1 1 1 | 3 1.0| Hepatocyte, Hypertrophy | 1 1 1 1 1 1 | 6 1.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 10 | Hyperplasia | 1 | 1 1.0| Hypertrophy | 1 1 2 | 3 1.3| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + | 5 | Follicular Cell, Hypertrophy | 1 4 2 1 1 | 5 1.8| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 10 | Atrophy | 4 4 4 4 4 4 4 4 4 4 | 10 4.0| |__________________________________________________________________________|____________| Uterus | + | 1 | Endometrium, Hyperplasia, Cystic | 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 9 NTP Experiment-Test: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 2| 2| 1| 1| 1| 1| 1| 2| 2| 2| 1| 1| 1| 1| 1| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | 100 | 0| 3| 4| 4| 4| 4| 4| 5| 5| 5| 6| 6| 6| 6| 7| 8| | L | NG/KG | 3| 8| 1| 2| 3| 4| 5| 0| 5| 6| 6| 7| 8| 9| 0| 5| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 10 | Atrophy | 1 1 1 | 3 1.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 10 | Infiltration Cellular, Histiocyte | 1 1 1 | 3 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY 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 10 NTP Experiment-Test: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 1| 1| 1| 1| 1| 2| 2| 1| 1| 1| 1| 1| 2| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | 175 | 2| 2| 2| 2| 3| 3| 5| 6| 6| 6| 6| 6| 6| 7| 8| 9| | L | NG/KG | 6| 7| 8| 9| 0| 8| 5| 1| 2| 3| 4| 5| 9| 0| 9| 5| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 10 | Inflammation | 2 2 2 2 2 1 2 1 1 1 | 10 1.6| Mixed Cell Focus | X | 1 | Mixed Cell Focus, Multiple | X X | 2 | Pigmentation | 1 1 1 1 1 | 5 1.0| Hepatocyte, Hypertrophy | 1 1 2 1 2 1 | 6 1.3| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 10 | Degeneration, Cystic | 1 | 1 1.0| Hypertrophy | 2 1 | 2 1.5| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + | 6 | Follicular Cell, Hypertrophy | 3 3 2 2 2 2 | 6 2.3| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 10 | Atrophy | 4 4 4 4 4 4 4 4 4 | 9 4.0| |__________________________________________________________________________|____________| Uterus | + | 1 | Inflammation, Suppurative | 1 | 1 1.0| Metaplasia, Squamous | 1 | 1 1.0| Endometrium, Hyperplasia, Cystic | 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 11 NTP Experiment-Test: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 1| 1| 1| 1| 1| 2| 2| 1| 1| 1| 1| 1| 2| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | 175 | 2| 2| 2| 2| 3| 3| 5| 6| 6| 6| 6| 6| 6| 7| 8| 9| | L | NG/KG | 6| 7| 8| 9| 0| 8| 5| 1| 2| 3| 4| 5| 9| 0| 9| 5| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 10 | Atrophy | 1 1 1 | 3 1.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 10 | Infiltration Cellular, Histiocyte | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY 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: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 1| 1| 1| 1| 1| 2| 2| 1| 1| 1| 1| 1| 2| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | 300 | 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 3| 5| 7| 9| | L | NG/KG | 1| 2| 3| 4| 5| 7| 8| 1| 2| 3| 4| 5| 5| 5| 2| 6| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 10 | Cholangiofibrosis | 2 | 1 2.0| Clear Cell Focus | X | 1 | Inflammation | 2 1 2 1 2 2 2 2 2 1 | 10 1.7| Mixed Cell Focus | X | 1 | Mixed Cell Focus, Multiple | X | 1 | Pigmentation | 1 1 1 1 1 1 1 1 | 8 1.0| Hepatocyte, Hypertrophy | 1 1 1 1 1 1 1 1 | 8 1.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 10 | Basophilic Focus | X | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 10 | Hypertrophy | 1 1 2 2 | 4 1.5| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + | 5 | Follicular Cell, Hypertrophy | 1 1 1 2 1 | 5 1.2| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 10 | Atrophy | 4 4 4 4 4 4 4 4 4 4 | 10 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 13 NTP Experiment-Test: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 1| 1| 1| 1| 1| 2| 2| 1| 1| 1| 1| 1| 2| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | 300 | 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 3| 5| 7| 9| | L | NG/KG | 1| 2| 3| 4| 5| 7| 8| 1| 2| 3| 4| 5| 5| 5| 2| 6| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Thymus | + + + + + + + + + + | 10 | Atrophy | 1 1 1 | 3 1.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 10 | Infiltration Cellular, Histiocyte | 1 | 1 1.0| Alveolar Epithelium, Metaplasia, | | | Bronchiolar | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY 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 14 NTP Experiment-Test: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 2| 2| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | 550 | 1| 1| 2| 2| 2| 2| 3| 4| 4| 4| 4| 4| 6| 7| 8| 9| | L | NG/KG | 0| 3| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 2| 5| 2| 0| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 10 | Cholangiofibrosis | 1 | 1 1.0| Hepatocyte, Multinucleate | 1 1 | 2 1.0| Inflammation | 2 2 2 1 2 2 2 1 2 2 | 10 1.8| Mixed Cell Focus | X X | 2 | Mixed Cell Focus, Multiple | X | 1 | Necrosis | 1 | 1 1.0| Pigmentation | 1 1 1 1 1 1 1 1 | 8 1.0| Hepatocyte, Hypertrophy | 1 1 1 1 2 1 2 1 2 2 | 10 1.4| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Adrenal Medulla | + | 1 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + | 5 | Follicular Cell, Hypertrophy | 2 1 1 1 1 | 5 1.2| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 10 | Atrophy | 4 4 4 4 4 4 4 | 7 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 15 NTP Experiment-Test: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 2| 2| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | 550 | 1| 1| 2| 2| 2| 2| 3| 4| 4| 4| 4| 4| 6| 7| 8| 9| | L | NG/KG | 0| 3| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 2| 5| 2| 0| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | |__________________________________________________________________________|____________| Spleen | + | 1 | Hematopoietic Cell Proliferation | 3 | 1 3.0| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 10 | Atrophy | 1 2 1 1 1 1 1 2 | 8 1.3| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 10 | Infiltration Cellular, Histiocyte | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + | 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 16 NTP Experiment-Test: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 1| 1| 1| 1| 1| 2| 2| 2| 1| 1| 1| 1| 1| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | A | 1000 | 2| 2| 2| 2| 3| 3| 1| 1| 1| 1| 1| 1| 2| 2| 4| 4| | L | NG/KG | 6| 7| 8| 9| 0| 9| 1| 5| 6| 7| 8| 9| 0| 2| 2| 8| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 10 | Fatty Change, Diffuse | 1 | 1 1.0| Hepatocyte, Multinucleate | 1 1 1 1 1 1 1 1 | 8 1.0| Inflammation | 1 2 2 2 2 2 2 2 2 1 | 10 1.8| Mixed Cell Focus | X X | 2 | Mixed Cell Focus, Multiple | X X X X | 4 | Necrosis | 1 2 | 2 1.5| Pigmentation | 1 1 1 1 1 1 1 1 1 1 | 10 1.0| Toxic Hepatopathy | 2 1 1 2 1 1 1 1 1 1 | 10 1.2| Hepatocyte, Hypertrophy | 2 2 2 3 2 3 2 2 2 2 | 10 2.2| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 10 | Inflammation, Chronic Active | 1 | 1 1.0| Acinus, Atrophy | 1 | 1 1.0| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 10 | Hyperplasia | 2 | 1 2.0| Hypertrophy | 1 1 2 1 | 4 1.3| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________|____________| * : 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: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 1| 1| 1| 1| 1| 2| 2| 2| 1| 1| 1| 1| 1| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | A | 1000 | 2| 2| 2| 2| 3| 3| 1| 1| 1| 1| 1| 1| 2| 2| 4| 4| | L | NG/KG | 6| 7| 8| 9| 0| 9| 1| 5| 6| 7| 8| 9| 0| 2| 2| 8| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 10 | Follicular Cell, Hypertrophy | 3 1 3 2 1 1 2 | 7 1.9| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 10 | Atrophy | 3 4 3 4 | 4 3.5| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 10 | Inflammation, Suppurative | 1 | 1 1.0| Metaplasia, Squamous | 2 2 2 2 | 4 2.0| |__________________________________________________________________________|____________| Vagina | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 10 | Pigmentation | 2 1 2 1 2 1 2 1 2 2 | 10 1.6| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 10 | Atrophy | 2 2 2 2 3 3 3 3 1 1 | 10 2.2| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | 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 18 NTP Experiment-Test: 96007-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (PCB-126) Date: 10/14/02 Route: GAVAGE Time: 15:29:27 __________________________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | DAY ON TEST | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | | | 1| 1| 1| 1| 1| 2| 2| 2| 1| 1| 1| 1| 1| 2| 2| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | A | 1000 | 2| 2| 2| 2| 3| 3| 1| 1| 1| 1| 1| 1| 2| 2| 4| 4| | L | NG/KG | 6| 7| 8| 9| 0| 9| 1| 5| 6| 7| 8| 9| 0| 2| 2| 8| | | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 10 | Infiltration Cellular, Histiocyte | 1 1 1 1 | 4 1.0| Alveolar Epithelium, Metaplasia, | | | Bronchiolar | 1 1 | 2 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY 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 19 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------