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HHE report no. HHE-80-164-943, Golden Gate Bridge District, San Francisco, California.

Authors
Coye-MJ; Okawa-MT
Source
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, HHE 80-164-943, 1981 Aug; :1-9
NIOSHTIC No.
00119707
Abstract
Environmental sampling data and noise measurements data were reviewed, and blood specimens were collected on August 6, and 16, 1980, at the Golden Gate Bridge in San Francisco, California, to determine employee exposures to lead (7439921), crystalline silica (7631869), and noise. A representative of the International Brotherhood of Painters and Allied Trades, Painters Local 4, requested the evaluation on behalf of approximately 30 workers. Previous air samples revealed lead concentrations about 100 times the OSHA standard of 0.05 milligrams per cubic meter (mg/cum). One sample for crystalline silica was 2.74mg/cum, compared with the CAL/OSHA calculated standard of 2.73mg/cum. A previous audiometric screening indicated occupational hearing loss among 38 percent of those tested. All blood lead concentrations were below the NIOSH recommended limit for occupationally exposed workers of 40 micrograms per deciliter. Lung function test revealed no restrictive disease, and the four cases of mild obstructive disease that were discovered had normal chest X-rays of the 29 subjects X- rayed, four abnormal individuals were identified but none of the abnormalities were indicative of silica related disease. The authors conclude that there was no lead or silica related hazards, although a significant amount of occupational hearing loss was noted. They recommend medical monitoring of workers exposed to lead, crystalline silica, and excessive noise levels, implementation of a noise control program, workers education, and use of double lens air hoods.
Keywords
NIOSH-Author; HHE-80-164-943; NIOSH-Health-Hazard-Evaluation; Hazards-Unconfirmed; Region-9; Metallic-dusts; Work-practices; Workplace-studies; Mineral-dusts; Noise-pollution; Tolerance-threshold; Health-surveys; Medical-screening; Author Keywords: Bridge Painting Contractors; lead; crystalline silica; noise; hearing loss; sandblasters
CAS No.
7439-92-1; 7631-86-9
Publication Date
19810801
Document Type
Field Studies; Health Hazard Evaluation
Fiscal Year
1981
NTIS Accession No.
PB83-126425
NTIS Price
A02
Identifying No.
HHE-80-164-943
NIOSH Division
DSHEFS
SIC Code
1721
Source Name
National Institute for Occupational Safety and Health
State
CA; OH
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