Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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An On-line GC Analysis of Odorous VOC and S Gas in Ambient Air from a Residential Area at Ansan City, Korea

공단인근 주택가를 대상으로 환경대기 중 휘발성유기화합물과 황계열 성분의 연속측정

  • Kim, K.H. (Department of Earth & Environmental Sciences, Sejong University) ;
  • Ju, D.W (ITC21) ;
  • Choi, Y.J. (Siheung Environmental Technology Development Center) ;
  • Hong, Y.J. (Department of Earth & Environmental Sciences, Sejong University) ;
  • Jeon, E.C. (Department of Earth & Environmental Sciences, Sejong University) ;
  • Choi, C.R. (Department of Environmental Engineering, Anyang University) ;
  • Koo, Y.S. (Department of Environmental Engineering, Anyang University)
  • Published : 2006.12.31
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Abstract

In this study, the concentrations of major odorous compounds including reduced sulfur compounds (DMS, $CS_2$, and DMDS) and aromatic VOC (benzene, toluene, xylene, etc.) were measured continuously using an on-line GC analytical system. Our measurements were made from a residential area of Ansan city during about two weeks period of October, 2004. The highest mean concentrations of reduced S and VOC were recorded as 56.9 ppt of DMS and 21.7 ppb of toluene, respectively. The results of this study generally show that the pollution levels for both types of chemicals are significant relative to previous measurement results reported from comparable sites, if the results are compared simply in terms of the magnitude of the measured concentration data. Moreover, when the relative importance of different compounds is compared in terms of the odor strength, it indicates that the contribution of reduced S compounds may be much more important than that of VOC in the study area.

Keywords

References

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