Journal of Korean Society of Environmental Engineers (대한환경공학회지)

Korean Society of Environmental Engineers (대한환경공학회)
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Potential Human Risk Assessment of PCBs and OCPs in Edible Fish Collected from the Offshore of Busan

부산 연근해의 해양오염퇴적물과 식용 어류 체내의 PCBs와 유기염소계 농약의 분포 및 잠재적인 인체 위해성평가

  • Choi, Jin Young (Concerned Marine Areas Management Center, Korea Institute of Ocean Science & Technology) ;
  • Yang, Dong-Beom (Concerned Marine Areas Management Center, Korea Institute of Ocean Science & Technology) ;
  • Hong, Gi-Hoon (Concerned Marine Areas Management Center, Korea Institute of Ocean Science & Technology) ;
  • Kim, Suk Hyun (Concerned Marine Areas Management Center, Korea Institute of Ocean Science & Technology) ;
  • Chung, Chang Soo (Concerned Marine Areas Management Center, Korea Institute of Ocean Science & Technology) ;
  • Kim, Kyoung-Rean (Concerned Marine Areas Management Center, Korea Institute of Ocean Science & Technology) ;
  • Cho, Kyung Duk (Concerned Marine Areas Management Center, Korea Institute of Ocean Science & Technology)
  • 최진영 (한국해양과학기술원 특정해역보전관리연구센터) ;
  • 양동범 (한국해양과학기술원 특정해역보전관리연구센터) ;
  • 홍기훈 (한국해양과학기술원 특정해역보전관리연구센터) ;
  • 김석현 (한국해양과학기술원 특정해역보전관리연구센터) ;
  • 정창수 (한국해양과학기술원 특정해역보전관리연구센터) ;
  • 김경련 (한국해양과학기술원 특정해역보전관리연구센터) ;
  • 조경덕 (한국해양과학기술원 특정해역보전관리연구센터)
  • Received : 2012.11.02
  • Accepted : 2012.12.11
  • Published : 2012.12.30
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Abstract

Polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) contents in marine sediment and edible fish (4 species) from the estuary near the Yongho wharf in Busan were determined to assess their presence and their potential health risk to the local population through fish consumption was also assessed. Levels of ${\Sigma}PCBs$ and ${\Sigma}DDTs$ in marine sediment were 3.22~197.65 and 1.77~20.27 ng/g dw, respectively. HCHs and endosulfan sulfate concentrations in bottom sediment were 1.42~6.08, 0.56~13.89 ng/g dw, respectively. The bottom sediment in the offshore of the Yongho wharf may be characterized as semi-polluted status with potential adverse marine biological effects in terms of sediment quality guidelines of US NOAA. The mean concentrations of ${\Sigma}PCBs$ in the tissues of olive flounder (Paralichthys olivaceus), Korean rockfish (Sebastes schlegelii), file fish (Stephanolepis cirrhifer) and abbysal searobin (Lepidotrigla abyssalis) were 67.37, 10.20, 48.26, 22.81 ng/g lw, respectively. DDTs and HCHs were also detected in all fish samples. Lifetime cancer risk and target hazard quotient to local residents due to those fish consumption were found to pose negligible cancer and non-cancer risk.

용호부두 인근의 해저퇴적물과 4종의 식용어류인 넙치, 우럭, 쥐치, 밑달갱이체내의 폴리염화비페닐(polychlorinated biphenyls, PCBs)및 유기염소계 농약(organochlorine pesticides or OCPs)의 오염수준과 공간적 분포현황을 규명하였고, 이를 토대로 지역주민의 어류섭취에 따른 PCBs 및 OCPs의 인체 노출을 파악하여 이로 인한 인체 건강에 미치는 위해성평가를 수행하였다. 용호부두 인근해역의 퇴적물에 존재하는 42종의 ${\Sigma}PCBs$의 농도는 3.22~197.65 ng/g dw였다. ${\Sigma}DDTs$의 농도는1.77~20.27 ng/g dw이었다. 그리고 HCHs, endosulfan sulfate 등이 각각 1.42~6.08, 0.56~13.89 ng/g dw수준이었다. 용호부두 인근해역의 퇴적물의 유기염소계 화합물함량의 미국 해양대기청(National Oceanic and Atmospheric Administration, NOAA)의 기준 중 악영향 기대수준인 PEL과 비교결과 0.1 ${\leq}$ mPELQ ${\leq}$ 0.5로 중간 정도의 오염도에 해당한다. 용호부두 인근해역에서 채취된 넙치, 우럭, 쥐치, 밑달갱이 근육 조직내의 PCBs의 평균함량은 67.37, 10.20, 48.26, 22.81 ng/g lw이었다. 모든 어류시료에서 ${\Sigma}DDTs$와 ${\Sigma}HCHs$의 농도범위는 각각 4.53~82.10, 2.94~22.98 ng/g이었으며, 다른 OCPs들도 모든 시료에서 미량으로 검출되었다. 용호부두 해역에서 채취된 넙치, 우럭, 쥐치, 밑달갱이의 섭취로 인한 PCBs 및 OCPs 오염도에 대한 정량적인 발암 및 비발암 위해 도는 US EPA 기준으로 보면 단기 및 장기적 인체 위해도 모두 무시할 만한 것으로 판단된다.

Keywords

Acknowledgement

Supported by : 한국 해양과학기술원

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