Journal of Korean Society of Environmental Engineers (대한환경공학회지)

Korean Society of Environmental Engineers (대한환경공학회)
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A Comparative Study of Standard Methods for Assessing Ecotoxicity of Endocrine Disrupting Chemicals

내분비계장애물질의 생태독성평가를 위한 표준시험법 비교연구

  • Kwak, Jin Il (Department of Environmental Health Science, Konkuk University) ;
  • Cui, Rongxue (Department of Environmental Health Science, Konkuk University) ;
  • Moon, Jongmin (Department of Environmental Health Science, Konkuk University) ;
  • Kim, Dokyung (Department of Environmental Health Science, Konkuk University) ;
  • An, Youn-Joo (Department of Environmental Health Science, Konkuk University)
  • 곽진일 (건국대학교 환경보건과학과) ;
  • 최영설 (건국대학교 환경보건과학과) ;
  • 문종민 (건국대학교 환경보건과학과) ;
  • 김도경 (건국대학교 환경보건과학과) ;
  • 안윤주 (건국대학교 환경보건과학과)
  • Received : 2017.01.11
  • Accepted : 2017.03.03
  • Published : 2017.03.31
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Abstract

Endocrine disrupting chemicals (EDCs) interfere with endocrine system in organisms, and have different mode of actions compared to conventional chemicals. Therefore, EDCs specific ecotoxicity tests and assessments have been globally developed by some organizations such as OECD, ASTM, and USEPA. In Korea, researches on EDCs and monitoring of EDCs in domestic environments were also continued. However, Korean ecotoxicity test guidelines for EDCs are not suggested till date. The purpose of this study is to review and analyze international ecotoxicity test guidelines for EDCs and the compare ecotoxicity methods and toxicity endpoints among standard test guidelines. We found that there are very limited EDCs specific soil ecotoxicity test guidelines (only in ASTM) compared to aquatic ecotoxicity test guidelines. Currently, fish, amphibian, waterflea, copepoda, earthworm, white worm, springtail, nematode, mite, and midge are suggested as standard ecotoxicity test species for EDCs. Reproduction, hormones, growth, vitellogenin, sex retio and development were proposed as endpoints for EDCs ecotoxicity. This study provided the comparison of EDCs specific ecotoxicity methods and endpoints between standard test guidelines, and suggested the further research to develop the method for assesseing ecotoxicity of EDCs.

내분비계 장애물질 (EDCs)은 생물체내에 유입되면 내분비계의 정상적 기능을 방해하는 특징이 있으며, 일반화학물질과는 다른 독성기전을 보이기 때문에 기존의 생태독성기법과 달리 EDCs만의 독성을 평가하기 위한 생태독성기법 및 독성종말점의 개발을 위한 연구가 필요하다. OECD, ASTM 및 USEPA와 같은 신뢰성 있는 국제기관에서는 EDCs의 생태독성기법들을 제안하고 있는 상황이다. EDCs가 유해성이 알려진 만큼 국내에서도 EDCs관련 정부지원 사업이 일부 EDCs에 대해 사업장에의 배출량, 환경매체에서 검출농도를 지속적으로 모니터링하고 있으며, EDCs관련 연구들이 보고되고 있다. 그러나 국내에는 EDCs를 대상으로 하는 생태독성기법이 부재한 상황이다. 본 연구에서는 국외 EDCs의 생태독성기법을 조사 및 분석하여 제안된 생물종과 독성종말점의 종류 및 시험조건 파악하고자 하였다. 그 결과, ISO에서는 아직 EDCs 생태독성기법을 따로 제안하고 있지 않은 상태이며, OECD, ASTM, USEPA에서만 수서생물종인 어류 양서류, 물벼룩 및 요각류, 토양생물종인 지렁이, 애지렁이, 톡토기, 진드기, 토양선충, 그리고 퇴적물서식종인 지렁이와 깔따구에 대한 EDCs 평가기법이 제시되어 있고, 생식, 호르몬, 성장, 비탈로제닌, 성비 및 발달 등과 관련된 독성종말점으로 제안되어 있었다. 결론적으로 EDCs 대상의 생태독성 평가방법은 매우 제한적이며, 생태독성 기법 개발 및 독성종말점을 개발하기 위한 연구가 필요한 것으로 판단된다.

Keywords

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