Health hazard evaluation report: HHE-72-91-37, Mobil Oil Corporation, Augusta, Kansas.
Hervin RL; Rivera R; Flesch JP
Cincinnati, OH: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HHE 72-91-37, 1973 Apr; :1-19
Evaluation of hazards from exposures to asbestos (1332214) dust and hot environments relevant to an oil refinery's requirement for insulators' wearing of special clothing. Survey of insulators does not indicate any symptoms attributable to overexposure to asbestos, although wearing of paper coveralls over personal clothes contributes somewhat to the problem of heat exposure. Asbestos is not found toxic at the concentrations used and found in the insulators' working operation. The toxic effects of prolonged inhalation of asbestos include pulmonary fibrosis and asbestosis, respiratory insufficiency, and cardiac failure. Physical agents include: hot environments which create heat fatigue characterized by decreased ability to concentrate, tiredness, and irritability, heat collapse, exhaustion, or syncope. Recommendations include adherence to the Federal rules and NIOSH standards relating to exposures to hot environments, and provision of cloth coveralls instead of paper coveralls, and laundering services.
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