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HHE determination report no. HHE-79-102-106, Homestake Mining Company (ID 39-00055), Lead, South Dakota.
Morgantown, WV: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HHE 79-102-106, 1980 Jun; :1-18
An analysis was made of possible hazardous working conditions at the Homestake Mining Company, located in Lead, South Dakota. The company mined and refined ore bearing gold and other metals. Personal, breathing zone, and area air samples were collected at the 2,150 foot level and analyzed for diesel emission particulates. Five of the up to 20 employees who worked at the 2,150 foot level were working in the area of the survey; two drove front end loaders. Results of air samples collected at the rock pick area, maintenance barn, and 49 raise and haulage ways of the 2,150 foot level showed ambient airborne concentrations of the contaminants measured to be below current federal and consensus standards as well as NIOSH recommended criteria. There was felt to be insufficient information available to evaluate the long term health effects of diesel emissions to the underground miners. The authors recommend that the manufacturer's maintenance schedule be adhered to as closely as possible and that catalytic converters be changed as needed.
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; HHE-79-102-106; Hazard-Unconfirmed; Region-8; Mining-industry; Underground-miners; Diesel-exhausts; Air-quality-monitoring
Field Studies; Health Hazard Evaluation
National Institute for Occupational Safety and Health
Page last reviewed: May 5, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division