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폐광산 주변 토양 및 하천의 중금속 함량
Heavy Metal Concentrations in Soils and Stream around the Abandoned Mine Land
전관수(Kwan Soo Jun),이철희(Chul Hee Lee),원양수(Yang Soo Won),정진욱(Jin Wook Jeung),박병삼(Byeong Sam Park),신덕구(Duck Gu Shin)
UCI I410-ECN-0102-2009-530-007989221
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The extent of heavy metal pollution in agricultural soils near the abandoned mine land site was investigated using their concentrations from the 47 sampling sites in B mine. Samples were prepared using 0.1N HCl -Korean Standard Methods- and then analysed for Cd, Cu, Pb, As and Cr by Inductively Coupled Plasma Spectrometer. In addition, soil and mine tailing samples were sequentially extracted to investigate the chemical speciation of heavy metals in them. The soils in the vicinity of mining area are highly contaminated by heavy metals ranging up to 5.96㎎ Cd/㎏, 253.3㎎ Cu/㎏, 76.7㎎ Pb/㎏, and 15.45㎎ As/㎏, according to the analysis of Korean Standard Methods. The heavy metal levels by the sequential extraction are much higher than its level by Korean Standard Methods, and little correlated with each other. Based on the results, it is suggested that the As pollution in agricultural soils near the AMLS should be dealt as of prior significance in establishing reclamation strategies for the area.

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