Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Concentrations Distribution and Risk Evaluation of Heavy Metal in PM-10 in Gwangju

광주지역 미세먼지(PM-10) 중 중금속 농도분포 및 위해성 평가

  • Hye-Yun, Na (Health and Environment Research Institute of Gwangju) ;
  • Youn-Goog Lee (Health and Environment Research Institute of Gwangju) ;
  • Min-Cheol Cho (Health and Environment Research Institute of Gwangju) ;
  • Hwan-Gi Kim (Health and Environment Research Institute of Gwangju) ;
  • Won-Hyeong Park (Health and Environment Research Institute of Gwangju) ;
  • Gwang-Yeob Seo (Health and Environment Research Institute of Gwangju) ;
  • Se-Heang Lee (Health and Environment Research Institute of Gwangju)
  • 나혜윤 (광주광역시보건환경연구원) ;
  • 이윤국 (광주광역시보건환경연구원) ;
  • 조민철 (광주광역시보건환경연구원) ;
  • 김환기 (광주광역시보건환경연구원) ;
  • 박원형 (광주광역시보건환경연구원) ;
  • 서광엽 (광주광역시보건환경연구원) ;
  • 이세행 (광주광역시보건환경연구원)
  • Received : 2024.02.22
  • Accepted : 2024.04.29
  • Published : 2024.05.31
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Abstract

This study examined the distribution of airborne metals concentrations and conducted a risk assessment in PM-10 in Gwangju from 2014 to 2022. There were a total of six points, and the concentration of heavy metals at each point was highest in the order of Pyeong-dong(1.5472 ㎍/m3 ) > Nongseong-dong(1.2093 ㎍/m3 ) > Geonguk-dong(1.0100 ㎍/m3 ) > Duam-dong(0.9684 ㎍/m3 ) > Seo-dong(0.9515 ㎍/m3 ) > Nodae-dong(0.8321 ㎍/m3 ). In recent years, the concentration of heavy metals in the atmosphere has generally risen, accompanied by an increase in heavy metals in the soil. The average seasonal concentrations were in the following order: spring(1.4448 ㎍/m3 ) > winter(1.2939 ㎍/m3 ) > fall(0.8303 ㎍/m3 ) > summer (0.5928 ㎍/m3 ). The atmospheric heavy metals most correlated with PM-10 were Ca(0.69), Fe(0.62), Al(0.62) and Mg(0.60). Within the acceptable risk level (1.0E-06) set in this study, heavy metals in the atmosphere were found to have the most excess cancer risk, and the integrated non-cancer risk was as low as 1 or less.

Keywords

Acknowledgement

본 연구는 환경부의 재원으로 국립환경과학원의 지원(과제번호 2023-01-03-002)을 받아 수행 되었습니다.

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