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KMID : 1024519990080030319
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Journal of the Environmental Sciences
1999 Volume.8 No. 3 p.319 ~ p.323
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Exposure to Benzene Associated with Gasoline and Environmental Tobacco Smoke
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Jo Wan-Kuen
Moon Kyung-Jo
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Abstract
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This study was designed to evaluate the exposure to benzene by residents in neighborhoods near a major roadways, by persons waiting buses, and by drivers and service station attendants while refueling. It was confirmed that the outdoor air benzene concentrations near the major roadways were higher than those further away from the sources. However, neither the indoor air nor breath concentrations were different for two specified residential areas. Smoking was confirmed as an important factor for the indoor air benzene levels. Persons waiting buses, drivers and service station attendants were exposed to elevated benzene levels compared to even the residents in neighborhoods near a major roadways. The mean benzene concentration at bus stop was 2.7 to 6.9 times higher than the mean ambient air concentration. The mean benzene concentrations in the breathing zone of drivers and service station attendants were 95 to 160 and 120 to 202 times higher than the mean ambient air concentrations, respectively.
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KEYWORD
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Breath, buses, drivers, indoor air, outdoor air, residents, roadways, service station attendants
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