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KMID : 0385520120250010014
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Analytical Science & Technology
2012 Volume.25 No. 1 p.14 ~ p.18
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Investigation on the petroleum contamination by using Rn-222 tracer
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Yoon Yoon-Yeol
Koh Dong-Chan
Lee Kil-Yong
Cho Soo-Young
Koh Kyung-Seok
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Abstract
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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.
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KEYWORD
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Rn-222 tracer, Petroleum contamination,
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