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전국 토양오염실태 및 공공택지개발지구의 오염토양 관리

Soil Pollution and Contaminated Soil Management of the Public Housing Agency in Residential Land Development

  • 오정익 (한국토지주택공사 토지주택연구원 미래기술연구실) ;
  • 진규남 (한국토지주택공사 토지주택연구원 미래기술연구실) ;
  • 이현정 (경희대학교 주거환경학과)
  • Oh, Jeongik (Advanced Technology Research Team, Land & Housing Institute, Korea Land & Housing Corporation) ;
  • Jin, Kyunam (Advanced Technology Research Team, Land & Housing Institute, Korea Land & Housing Corporation) ;
  • Lee, Hyunjeong (Department of Housing & Interior Design, Kyung Hee University)
  • 투고 : 2016.01.08
  • 심사 : 2016.06.30
  • 발행 : 2016.07.31

초록

본 연구의 목적은 전국의 토양오염실태를 토지용도별로 조사하고, 공공주택개발지구의 토양오염 처리실태를 분석하고자 한다. 환경부가 매년 조사하고 발표하는 토양오염실태 자료를 근거로 지목별 토양오염 변화 추이를 살펴보았고, 공공주택기관이 발주하는 대규모 택지조성 및 주택 도시개발 사업지구에 근무하는 토양오염 관련 실무자를 대상으로 설문조사를 수행하였다. 분석결과, 21가지 유기 및 무기 토양오염물질(예, 카드뮴, 구리, 비소, 수은, 납), 크롬, 아연, 니켈 등)은 전반적으로 토양오염우려기준보다 낮은 반면 산업활동 지역에서 일부 오염물질에 국한되어 비교적 높은 수준의 유해물질이 측정되었다. 한편, 공공개발사업지구 실무자를 대상으로 한 설문조사에서 응답자 상당수는 오염토양에 관한 업무 처리기준이 명확하지 않아 외부 전문 업체에 의한 처리방식에 의존하고 있어 오염토양 발생 직후 신속한 대응, 합리적인 전략에 관한 명확한 가이드라인이 제공되어야 할 것이다. 또한 대부분의 실무자들은 오염토양 처리에 대한 경험이 많지 않아 그 처리기술에 대한 전문 지식을 습득하고 이해하기 위해 정기적인 교육이 요구되었다

The purposes of this research are to examine soil pollution in the nation and to explore the contaminated soil management of the public housing agency in public land for residential development. In so doing, the primary and secondary data were utilized, the former made use of the public data annually released by the Korea Ministry of Environment, and the latter relied on a self-administerd questionnaire survey conducted in the staff of the public housing agency, particularly those in charge of soil contamination in large-scale land, housing and urban development projects. The findings reveal that the national concentrations of 21 inorganic and organic soil contaminants (e.g., Cd, Cu, As, Hg, Pb, Cr, Zn, Ni, F, P, PCB, CN, Phenol, BTEX, TPH, TCE, PCE, Benzo(a)pyrene, and pH) in the land were extracted to be well below the risk level designated by the statutory guidance while industrial areas had them at a relatively modest level. In addition, the survey results indicate that the public housing agency didn't establish specific and clear guidelines for soil pollution and its remediation in the residential land development, so that contaminated sites have been primarily remediated by outsourcing companies. As the unexpected occurrence of contaminated sites causes the incurring expenses added to total project budget, the provision of both professional training and on-site manuals with the sufficient information on techniques and methods of soil contamination is critical to promptly and systematically deal with soil pollution.

키워드

참고문헌

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