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Soil Pollution Characteristics of Metallic Mine Area according to Extraction Methods  

Yang, Jung-Seok (KIST Gangneung Institute)
Lee, Ju-Young (KIST Gangneung Institute)
Park, Young-Tae (KIST Gangneung Institute)
Baek, Ki-Tae (Department of Environmental Engineering, Kumoh National Institute of Technology)
Choi, Jae-Young (KIST Gangneung Institute)
Publication Information
Journal of Soil and Groundwater Environment / v.15, no.3, 2010 , pp. 1-6 More about this Journal
Abstract
This study investigated the change of metal contamination levels according to amendment of enforcement regulation of the Soil Environmental Conservation Act in Korea. As an analytical result of 87 samples in abandoned metallic mine area, the extracted amount of As, Pb and Cu with aqua regia was 4.3~29.6 times higher than that with hydrochloric acid extraction and the number of samples, which contamination levels were found to exceed soil contamination standards, was also increased. On the other hand, in case of Cd, Zn, and Ni, the number of samples, which contamination levels were found to exceed soil contamination standards, was decreased or similar. These results can be used as a preliminary material in comparison between the soil pollution data accumulated previously and the data obtained by the revised standard method for the examination of soil pollution.
Keywords
Metal; Aqua regia; Acid extraction; Soil Environmental Conservation Act;
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