Analytical Science and Technology (분석과학)

The Korean Society of Analytical Sciences (한국분석과학회)
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Investigation on the petroleum contamination by using Rn-222 tracer

라돈 추적자를 이용한 유류오염에 대한 연구

  • Yoon, Yoon-Yeol (Geologic Environment Division, Korea Institute of Geoscience and Mineral Resources(KIGAM)) ;
  • Koh, Dong-Chan (Geologic Environment Division, Korea Institute of Geoscience and Mineral Resources(KIGAM)) ;
  • Lee, Kil-Yong (Geologic Environment Division, Korea Institute of Geoscience and Mineral Resources(KIGAM)) ;
  • Cho, Soo-Young (Geologic Environment Division, Korea Institute of Geoscience and Mineral Resources(KIGAM)) ;
  • Ko, Kyung-Seok (Geologic Environment Division, Korea Institute of Geoscience and Mineral Resources(KIGAM))
  • 윤윤열 (한국지질자원연구원, 지구환경연구본부) ;
  • 고동찬 (한국지질자원연구원, 지구환경연구본부) ;
  • 이길용 (한국지질자원연구원, 지구환경연구본부) ;
  • 조수영 (한국지질자원연구원, 지구환경연구본부) ;
  • 고경석 (한국지질자원연구원, 지구환경연구본부)
  • Received : 2011.09.21
  • Accepted : 2011.12.09
  • Published : 2012.02.25
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Abstract

Rn-222 was used as a natural radioactive isotope tracer to evaluate non-aqueous phase liquid(NAPL) contaminated soil and aquifer. In the case of soil sample, Rn-222 concentration was inversely decreased with diesel concentration in the granite soil sample and it was decreased about 30% at the 13% diesel contaminated soil. For evaluating trichloroethylene (TCE) contaminated aquifer, the natural radioisotope Rn-222 was used as naturally occurring partitioning tracer for the approximate localization and semiquantitative assessment of the TCE source zone. Rn-222 was analyzed for the estimation of TCE contamination ranges of the acquifer in the contaminated site at Wonju in Korea.

신속한 유류오염 조사를 위해 자연 방사성 동위원소인 Rn-222를 추적자로 활용하였다. 디젤유로 오염된 화강암 토양시료중의 Rn-222를 액체섬광계수기를 사용하여 분석한 결과 라돈 농도는 유류의 함량에 비례하여 감소하였으며 13%까지 오염시킨 경우 Rn-222의 함량은 30% 까지 감소하였다. TCE로 오염된 지하수의 오염범위를 알기위해 Rn-222를 물과 유류간의 분배계수차이를 활용한 추적자로 사용하였다. 원주의TCE 오염 지하수에 대한 오염범위를 예측하기 위해 Rn-222 분석을 수행하였다.

Keywords

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