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Hazard-evaluation and technical-assistance report No. HETA-78-101-109, Occidental Oil Shale, Incorporated, Logan Wash, Colorado, Mine No. 0502248

Technical Report ·
OSTI ID:5499754
An environmental and personnel survey was conducted on September 6 and 7, 1979 at the Occidental Oil Shale, Incorporated Oil Shale Mine in Logan Wash, Colorado. Concentrations of lead (7439921), cadmium (7440439), beryllium (7440417), benzo(a)pyrene (50328), chrysene (218019), pyrene (129000), and benz(a)anthracene (56553) were below detectable limits. Traces of methylfuran (534225), phenol (108952), strontium (7440246), benzene (71432), and fluoranthene (206440) were found. None of the carbon-dioxide (124389) samples exceeded the evaluation criteria. Personal exposures to benzene were below the evaluation criteria, but benzene concentrations were above the evaluation criteria in the production mine return airways. Some workers complained of headaches and irritation of the fingertips. The author suggests various environmental controls and recommends that regular medical examinations be provided for the workers.
Research Organization:
National Inst. for Occupational Safety and Health, Cincinnati, OH (United States)
OSTI ID:
5499754
Report Number(s):
PB-91-191775/XAB
Country of Publication:
United States
Language:
English