Journal of Environmental Health Sciences (한국환경보건학회지)

Korean Society of Environmental Health (한국환경보건학회)
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Atmospheric Total Gaseous Mercury (TGM) Concentration and Characteristics in Seoul, Korea

서울시 대기 중 총 가스상 수은의 농도 및 특성 분석

  • Lee, Yong-Mi (Air Pollution Cap System Division, Environmental Cap System Research Department National Institute of Environmental Research) ;
  • Heo, Jong-Bae (Department of Environment and Public Health, School of Public Health, Seoul National University) ;
  • Yi, Seung-Muk (Department of Environment and Public Health, School of Public Health, Seoul National University)
  • 이용미 (국립환경과학원 환경총량관리연구부 대기총량과) ;
  • 허종배 (서울대학교 보건대학원 환경보건학과) ;
  • 이승묵 (서울대학교 보건대학원 환경보건학과)
  • Published : 2008.02.28
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Abstract

The objectives of this study were to measure ambient TGM concentrations in Seoul Korea, to determine the temporal variation of TGM, and to analyze the relationships among TGM, meteorological data and PM2.5 measured at the same time. Ambient TGM and PM2.5 concentrations were measured at the roof of the Graduate School of Public Health building in Seoul, Korea for the period of January to October 2004. Average TGM concentration was $3.43{\pm}1.17ng/m^3$. The average TGM was at a low concentration similar to those of background sites in other countries. The temporal variations and meteorological phenomena of TGM were not statistically significant. There was a positive link between TGM and PM2.5. It didn't indicate that reduction of $Hg^{2+}$ to Hg0 had occurred in liquid water contained in smog as in a previous study, but it shows that PM2.5 and TGM could be emitted from the same sources such as power plants and combustion engines. Also, the strong correlation between TGM and $SO_2$ concentrations indicated that the source of TGM was from fossil fuel combustions including coal combustion. Specifically, $SO_2\;and\;SO_4{^2-}$ concentrations correlated to TGM concentrations could be linked to TGM emitted from local and regional sources as well.

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References

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