Journal of Environmental Health Sciences (한국환경보건학회지)

Korean Society of Environmental Health (한국환경보건학회)
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Health Risk Assessment of Heavy Metals in PM2.5 in Industrial Areas

일부 공단지역 PM2.5에 부착된 중금속 노출에 의한 건강위해성평가

  • Jeon, Jun-Min (Green Jeonnam Environmental Complex Center, Suacheon First College) ;
  • Kang, Byungb-Wook (Division of Environmental Engineering, Chungju National University) ;
  • Lee, Hak-Sung (Department of Environmental, Civil and Information System, Seowon University) ;
  • Lee, Cheol-Min (Institute of Environmental and Industrial Medicine, Hanyang University)
  • 전준민 (한양대학교 환경 및 산업의학연구소) ;
  • 강병욱 (순천제일대학 그린전남환경종합센터) ;
  • 이학성 (충주대학교 환경공학부) ;
  • 이철민 (서원대학교 환경건설정보학과)
  • Received : 2010.06.30
  • Accepted : 2010.08.02
  • Published : 2010.08.30
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Abstract

This study estimated the health risk of heavy metals in particulate matter $(PM)_{2.5}$ in a Gwangyang industrial complex. The $PM_{2.5}$ containing heavy metal was collected from January to November, 2008 using a denuder air sampler and by IC (Ion Chromatograph). The risk assessment was performed in a four-step process; hazard identification, exposure assessment, dose-response assessment and risk characterization. In the hazard identification process, $Cr^{6+}$, Ni, As, and Pb were categorized as human carcinogens and probable human carcinogens, while Ti, Mn, Se, P, $Cr^{3+}$, Cu, and Zn were not classified as human carcinogens. It was found that the excess cancer risk by Central Tendency Exposure (CTE) of $Cr^{6+}$ and As in $PM_{2.5}$ was > $10^{-6}$, and the total excess cancer risk posed by carcinogen heavy metals in $PM_{2.5}$ was > $10^{-6}$. It was also determined that the total hazard index by CTE of non-carcinogen heavy metals in $PM_{2.5}$ was <1. Taken together, these results indicate a high cancer risk associated whit inhalation of heavy metal-containing$PM_{2.5}$ in industrial areas.

Keywords

References

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