Korean Journal of Environmental Agriculture (한국환경농학회지)

The Korean Society of Environmental Agriculture (한국환경농학회)
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The Exposure Assessment Studies of Octachlorostyrene for Environment Samples

Octachlorostyrene의 환경중 노출평가에 관한 연구

  • Kim, Yong-Seok (Environment Toxicity Team Korea Testing & Research Institute) ;
  • Jeon, Yong-bae (Environment Toxicity Team Korea Testing & Research Institute) ;
  • Kim, Tae-Hyoung (Environment Toxicity Team Korea Testing & Research Institute) ;
  • Sung, Ha-Jung (Institute of Fusion Technology, Hoseo University) ;
  • Lee, Kyu-Seung (Department of Bio-Environmental Chemistry Chungnam National University)
  • 김용석 (한국화학시험연구원 환경독성팀) ;
  • 전용배 (한국화학시험연구원 환경독성팀) ;
  • 김태형 (한국화학시험연구원 환경독성팀) ;
  • 성하정 (호서대학교 융합기술연구소) ;
  • 이규승 (충남대학교 농업생명과학대학)
  • Published : 2009.06.30
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Abstract

Octachlorostyrene(OCS) has been persisted in environment because it has not been decomposed easily. And, it has been known as highly toxic compounds to the environment and human as well as accumulated as high concentrations in a biota through a food chain. Therefore, OCS was monitored for water, soil and fish sampled from the areas where were able to be contaminated with OCS. The recoveries of octachlorostyrene were 93.1${\sim}$98.6% in water, 90.4${\sim}$94.8% in soil and 81.5${\sim}$90.2% in fish and detection limits were 0.0004 mg $L^{-1}$ for water, and 0.002 mg $kg^{-1}$ for soil and fish, respectively. OCS was not detected in water, sediment, soil and fish samples from Ulsan, Yeosu, Daejeon and Sihwa industrial complex and in soil sampled nearby incineration plants in all parts of the country. Accordingly, we estimated that there is no risk from exposure of OCS.

옥타클로르스티렌은 환경중에서 잔류성이 높아 쉽게 분해되지 않으며 먹이연쇄상의 생물상에 고농도로 축적될 뿐만 아니라 환경 및 인간에 대한 독성이 매우 높은 물질군으로 알려져있다. 따라서 본 연구에서는 옥타클로르스티렌에 대한 노출위험 가능성이 있는 오염 우려지역을 설정하여 그 지역의 수질, 토양 및 어류에 대한 옥타클로르스티렌의 잔류량을 조사하기 위해서 잔류분석법을 확립하고 잔류실태를 조사하였다. 그 결과 옥타클로르스티렌의 물에 대한 회수율은 93.1${\sim}$토양에 대한 회수율은 90.4${\sim}$94.8%, 어체에 대한 회수율은 81.5${\sim}$90.2% 이었고 분석법의 검출한계는 물 0.0004 mg $L^{-1}$이었고, 토양 및 어체는 각각 0.002 mg $L^{-1}$이었다. 오염 우려지역으로 선정된 울산, 여수, 대전 및 시화공단에서 옥타클로르스티렌의 잔류량은 물, 토양 및 어체의 모든 시료에서 검출한계 미만이었고, 전국 각지의 소각장을 대상으로 실시한 토양시료에서도 옥타클로르스티렌은 검출되지 않았다. 따라서 우리나라는 아직 옥타클로르스티렌이 노출로부터 위험성이 없는 것으로 판단된다.

Keywords

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