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학술저널
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윤정기 (국립환경과학원) 김록영 (국립환경과학원) 김지인 (국립환경과학원) 노회정 (국립환경과학원) 유순주 (국립환경과학원) 김태승 (국립환경과학원) 이명규 (한국세라믹기술원) 윤대근 ([재]한국환경산업연구원) 이홍길 (국립환경과학원) 김인자 (국립환경과학원) 박경훈 (국립환경과학원)
저널정보
한국지하수토양환경학회 지하수토양환경 지하수토양환경 제20권 제7호
발행연도
2015.1
수록면
61 - 69 (9page)

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This study was performed to provide fundamental data to establish the new soil pollution standards and the soil contamination management plans in a rational manner. The distribution characteristics of new soil contaminants such as barium (Ba) and chromium (Cr) in soils (n=140) were investigated in relation to land-use classification and geological features. Also, the sequential extraction test was conducted to evaluate fate and mobility of new soil contaminants. The soil samples taken from 140 sites were analyzed to survey distribution levels of selected new soil contaminants. The average concentration and range for hazardous metals (Ba, Cr) were Ba 128.946 (26.757~489.587) mg/kg, Cr 30.121 (2.579~132.783) mg/kg. Based on land use classification, the highest Ba concentration was found in factory soils, followed by dry field and park soils, while Cr concentration was highest in rice paddy soils, followed by dry field and factory soils. Within 10 geological units investigated the highest Ba and Cr concentrations were observed in the soils from Okcheon group and metamorphic rocks, respectively. The BCR (European Community Bureau of Reference) sequential extraction was conducted to identify chemical distributional existence of 2 elements of soils from each geological unit. Ba in soils is mainly assumed to exists as reducible form (such as BaSO<sub>4</sub>, BaCO<sub>3</sub>) and Cr in soils mainly is assumed to exist as residual form (such as Cr<sub>2</sub>O<sub>3</sub>, Cr<sub>x</sub>Fe<sub>1-x</sub>(OH)<sub>3</sub>(x &#x3C; 1)).

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