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HETA Report No. TA-76-091, Front Royal and Panorama Entrance Stations, Shenandoah National Park, Luray, Virginia.

Authors
Haas-BH; Geissert-JO
Source
NIOSH 1976 Nov:11 pages
Link
NIOSHTIC No.
00185314
Abstract
In response to a request from the assistant director of concessions of the United States Department of the Interior, National Park Service, a study was made of possible hazardous working conditions at the Panorama and Front Royal Entrance Stations at Shenandoah National Park located in Luray, Virginia. Specifically, possible exposures to sulfur-dioxide (7446095), lead (7439921), and carbon- monoxide (630080) emitted from cars being assisted at the entrance stations, which resemble toll booths, were to be evaluated. Of 11 analyses taken, five exceeded or were very near the 5 percent limit of carboxyhemoglobin recommended by NIOSH; five also ranged from half to over the recommended level of 1mg/m3 for sulfuric-acid (7664939). Sulfur-dioxide and lead exposures were all nonsignificant. All the rangers suffered excessive exposures to carbon-monoxide. The authors recommend that changes be made to reduce these exposures. The rangers could work in the booths for a shorter portion of the day, alternating with park rangers who perform other duties. Both booths could be operated at each station, thus reducing the amount to which each ranger was exposed. The installation of positive pressure ventilation should be the main approach and is likely to be the only one which will significantly alleviate the problem.
Keywords
NIOSH-Author; NIOSH-Technical-Assistance-Report; Region-3; TA-76-091; Hazard-Confirmed; Diesel-exhausts; Automotive-exhausts; Automotive-emissions; Diesel-emissions; Toxic-gases; Heavy-metals;
CAS No.
7446-09-5; 7439-92-1; 630-08-0; 7664-93-9;
Publication Date
19761101
Document Type
Hazard Evaluation and Technical Assistance; Field Studies
Fiscal Year
1977
NTIS Accession No.
PB89-165211
NTIS Price
A03
Identifying No.
TA-76-091
NIOSH Division
DSHEFS;
Source Name
NIOSH, U.S. Department of Health, Education, and Welfare, Cincinnati, Ohio, Report No. TA-76-091, 11 pages, 6 references
State
VA; OH;
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