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Health hazard evaluation report: HETA-94-0077-2568, Lockheed Martin Utility Services, Inc., Piketon, Ohio.

Authors
Ahrenholz-SH
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, HETA 94-0077-2568, 1996 Apr; :1-41
NIOSHTIC No.
00230693
Abstract
In response to a confidential request, worker exposures to arsenic (7440382) were evaluated in the uranium enrichment process of the Lockheed Martin Utility Systems, Inc. (SIC-2819) gaseous diffusion facility in Portsmouth, Ohio. An industrial hygiene survey was conducted and area air samples analyzed for uranium (7440611) and radon (10043922). Sampling for arsenic was conducted in the process building, and during welding on equipment removed from the process. Time weighted average exposure levels for seven area samples ranged from nondetectable to 0.7 microgram/cubic meter arsenic. Personal breathing zone samples from 14 workers ranged from nondetectable to 109 micrograms/cubic meter arsenic. All six of the workers who had personal breathing zone samples with detectable arsenic levels wore protective clothing and supplied air respirators. Time weighted average exposures to total uranium were well below the NIOSH recommended exposure limit of 2 micrograms/cubic meter. The author concludes that there was a potential for worker exposure to arsenic during maintenance activities on uranium enrichment equipment; workers performing these activities used protective clothing and respiratory protection. The author recommends that monitoring for arsenic exposure should focus on high level and poorly defined exposures, and that efforts be made to keep arsenic exposures as low as possible.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-94-0077-2568; Hazard-Confirmed; Region-5; Arsenic-compounds; Uranium-compounds; Occupational-exposure; Exposure-levels; Personal-protective-equipment;
CAS No.
7440-38-2; 7440-61-1; 10043-92-2
Publication Date
19960401
Document Type
Field Studies; Hazard Evaluation and Technical Assistance
Fiscal Year
1996
NTIS Accession No.
NTIS Price
Identifying No.
HETA-94-0077-2568
NIOSH Division
DSHEFS
SIC Code
2819
Source Name
National Institute for Occupational Safety and Health
State
OH
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