Health hazard evaluation report HETA 94-0109-2494, Pan American Health Organization National Smelting Company, Oruro, Bolivia
Technical Report
·
OSTI ID:118114
In response to a request from the Pan American Health Organization (PAHO), an investigation was begun into possible exposures to heavy metals and sulfur-dioxide at Empresa Metalurigica Vinto, a large tin smelter near Oruro, Bolivia. Fifteen workers were selected for exposure monitoring. Of the 15, 14 had exposures greater than the NIOSH Recommended Exposure Limit or the OSHA Permissible Exposure Level to arsentic; 11 had hazardous exposures to cadmium, and eight had hazardous exposures to sulfur-dioxide. Surfaces throughout the facility were highly contaminated with heavy metals. Fifteen workers participated in biological monitoring studies. The median value for urinary arsenic (UA) was 78 micrograms per gram creatinine. Nine of the 15 workers had UA levels exceeding the American Conference of Governmental Industrial Hygienists Biological Exposure Index. The median blood lead level was 19 micrograms per deciliter.
- Research Organization:
- National Inst. for Occupational Safety and Health, Cincinnati, OH (United States)
- OSTI ID:
- 118114
- Report Number(s):
- PB--95-261368/XAB; HETA--94-0109-2494
- Country of Publication:
- United States
- Language:
- English
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