Summaries & Associations of Study Results
TR-492 Gallium Arsenide
Target Organs and Levels of Evidence
NTP Technical Report Number 492
Produced from Chemtrack Database 09/19/01
| CHEMICAL/ CAS NUMBER | PEER REVIEW DATE | PRIMARY USES | ROUTE/EXPOSURE LEVELS | STUDY LABORATORY |
|---|---|---|---|---|
| GALLIUM ARSENIDE 1303-00-0 |
05/21/99 | SEMICONDUCTORS. MAGNETORESISTANCE DEVICES. LIGHT-EMITTING DIODES. MICROWAVE GENERATION. (TDB) | Inhalation R: 0, 0.01, 0.1, OR 1.0 MG/M3; 50/SEX/GROUP M: 0, 0.1, 0.5, OR 1.0 MG/M3; 50/SEX/GROUP | Battelle Northwest Laboratory |
| LEVELS OF EVIDENCE OF CARCINOGENICITY--ORGAN/TISSUE (NEOPLASM): | ||||
| MR: NO EVIDENCE | ||||
| NON-NEOPLASTIC LESIONS: | LUNG: ATYPICAL HYPERPLASIA; EPITHELIAL HYPERPLASIA; CHRONIC INFLAMMATION; PROTEINOSIS; EPITHELIAL METAPLASIA | |||
| LARYNX: HYPERPLASIA; CHRONIC INFLAMMATION; SQUAMOUS METAPLASIA; EPIGLOTTIS HYPERPLASIA | ||||
| FR: CLEAR EVIDENCE | LUNG: ALVEOLAR/BRONCHIOLAR ADENOMA 0/50 0/50 2/50 7/50 OR ALVEOLAR/BRONCHIOLAR CARCINOMA 0/50 0/50 2/50 3/50 COMBINED 0/50 0/50 4/50 9/50 | |||
| ADRENAL GLAND MEDULLA: BENIGN PHEOCHROMOCYTOMA 4/50 5/49 6/50 13/49 | ||||
| HEMATOPOIETIC SYSTEM: MONONUCLEAR CELL LEUKEMIA 22/50 21/50 18/50 33/50 | ||||
| NON-NEOPLASTIC LESIONS: | LUNG: ATYPICAL HYPERPLASIA; CHRONIC INFLAMMATION; PROTEINOSIS; EPITHELIAL METAPLASIA | |||
| MM: NO EVIDENCE | ||||
| NON-NEOPLASTIC LESIONS: | LUNG: SUPPURATIVE INFLAMMATION; CHRONIC INFLAMMATION; HISTIOCYTIC CELL INFILTRATION; EPITHELIAL HYPERPLASIA; PROTEINOSIS | |||
| LYMPH NODE: (TRACHEOBRONCHIAL) HYPERPLASIA | ||||
| FM: NO EVIDENCE | ||||
| NON-NEOPLASTIC LESIONS: | LUNG: SUPPURATIVE INFLAMMATION; CHRONIC INFLAMMATION; HISTIOCYTIC CELL INFILTRATION; EPITHELIAL HYPERPLASIA; PROTEINOSIS | |||
| LYMPH NODE: (TRACHEOBRONCHIAL) HYPERPLASIA | ||||
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