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Health hazard evaluation report: HETA-94-0220-2526, Exxon Company USA, Houston, Texas.

Authors
Cook-CK; Kovein-RJ
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 94-0220-2526, 1995 Sep; :1-31
NIOSHTIC No.
00230291
Abstract
In response to the findings in a series of industrial hygiene evaluations conducted by NIOSH and the American Petroleum Institute, a health hazard evaluation was conducted at two Exxon service stations (SIC-5541) in New Jersey. Exposures to oxygenated gasoline containing methyl-tert-butyl-ether (1634044) (MtBE) were monitored using conventional air sampling and by video taping work activities. Personal breathing zone analyses indicated that total hydrocarbon exposure was 1.89 parts per million (ppm), and ranged from 0.43 to 4.43ppm and that MtBE exposures ranged from 0.08 to 1.27ppm with a geometric mean time weighted average of 0.38ppm. Both these readings were significantly lower than the most stringent requirements. However, peak exposures to total hydrocarbons were as high as 327ppm. By studying the video tapes it was noted that peak exposures occurred during manual refueling. The authors conclude that peak exposures were as much as 130 times greater than time weighted average exposures. The authors recommend that improved vapor recovery system effectiveness and attendant work practices be applied throughout the industry.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-94-0220-2526; Hazard-Unconfirmed; Region-2; Region-6; Air-quality-monitoring; Work-practices; Service-station-attendants; Organic-vapors; Workplace-studies;
CAS No.
1634-04-4
Publication Date
19950901
Document Type
Field Studies; Hazard Evaluation and Technical Assistance
Fiscal Year
1995
NTIS Accession No.
PB96-191747
NTIS Price
A04
Identifying No.
HETA-94-0220-2526
NIOSH Division
DSHEFS
SIC Code
5541
Source Name
National Institute for Occupational Safety and Health
State
NJ; OH
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