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Patterns of the main VOCs concentration in ambient air around Shiwha Area  

Byeon, Sang-Hoon (Department of Environmental Health, Korea University)
Lee, Jeong-Geun (Department of Environmental Health, Korea University)
Kim, Jeong-Keun (Department of Chemical Engineering & Biotechnology, Korea Polytechnic University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.32, no.1, 2010 , pp. 61-68 More about this Journal
Abstract
In this study, we investigated the concentrations of volatile organic compounds (VOCs) in Shiwha area and compared the characteristics of both industrial area and residential area. The passive samplers were set 6 times each for a month in 21 locations at industrial and residential area to obtain 6 VOCs including benzene, trichlorobenzene, toluene, ethyl benzene, xylene and stylene. Above all, toluene was the most abundant VOCs in the ambient air both in industrial and residential area. Average TVOC concentration of industrial area was 1.86 times higher than that of residential area, and it was greatly reduced in winter compared with summer. Furthermore, the average BTEX concentrations showed that all concentrations of industrial area were 1.94~5.39 times higher than those of residential area except benzene which were similar to each other. In winter, the concentration of ethyl benzene and xylene were significantly decreased by comparing with summer: but benzene concentrations were increased. Also, BTEX relative ratio was as follows: toluene>benzene>ethylbenzene>xylene. Correlation coefficients among VOCs were confirmed that VOCs in ambient air of industrial area were generally more related to each other than that of residential area. On the whole, the concentrations of VOCs in industrial area were higher, and it seems to be potential that industrial area affects the distribution of VOCs to residential area.
Keywords
Volatile Organic Compounds; Shiwha Industrial Complex; Passive sampler; BTEX;
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Times Cited By KSCI : 1  (Citation Analysis)
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