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Korean Journal of Environmental Toxicology 2002;17(3):207-217.
국내 대기 중 독성 휘발성 유기화합물의 오염 특성(II)-계절 및 지역적 변동
백성옥, 김배갑, 박상곤
Characteristics of Atmospheric Concentrations of Toxic Volatile Organic Compounds in Korea (II)-Seasonal and Locational Variations
Sung-Ok Baek , Bae-Kap Kim , Sang-Kon Park
This study was designed to investigate the characteristics of atmospheric concentrations of toxic volatile organic compounds (VOCs) in Korea. Target compounds included I, 3-butadiene, aromatics such as BTEX, and a number of carbonyl compounds. In this paper, as the second part of the study. the seasonal and locational concentrations of atmospheric VOCs were evaluated. Sampling was conducted seasonally at seven sampling sites, each of them representing a large urban area (commercial and residential), a small urban area (commercial and residential), an industrial area (a site within the complex and a residential), and a background place in Korea. In general, higher concentrations were found in the petro-chemical industrial site than other sites, while VOCs measured in commercial (heavy-traffic) sites were higher than residential sites. Seasonality of VOCs concentrations were not so much clear as other combustion related pollutants such as sulfur dioxide, indicating that the VOCs are emitted from a variety of sources, not only vehicle exhaust and point sources but fugitive emissions. Except the industrial site, the concentrations of VOCs measured in this study do not reveal any serious pollution status, since the levels did not exceed any existing ambient standards in the U.K. and/or Japan. However, the increasing number of petrol-powered vehicles and the rapid industrialization in Korea may result in the increased levels of VOCs concentrations in many large urban areas in the near future. if there is no appropriate programme implemented for the control of these compounds.
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