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Choi, Sung-Deuk
Environmental Analytical Chemistry Lab (EACL)
Research Interests
  • Persistent organic pollutants, Environmental Analysis and monitoring, Multimedia modeling, Fine particle

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Spatial distribution, source identification, and anthropogenic effects of brominated flame retardants in nationwide soil collected from South Korea

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dc.contributor.author Jeon, Jin-Woo ko
dc.contributor.author Kim, Chul-Su ko
dc.contributor.author Kim, Ho-Joong ko
dc.contributor.author Lee, Chang-Ho ko
dc.contributor.author Hwang, Seung-Man ko
dc.contributor.author Choi, Sung-Deuk ko
dc.date.available 2021-03-31T05:00:23Z -
dc.date.created 2021-03-25 ko
dc.date.issued 2021-03 ko
dc.identifier.citation ENVIRONMENTAL POLLUTION, v.272, pp.116026 ko
dc.identifier.issn 0269-7491 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/52541 -
dc.description.abstract Soil samples were collected at 61 sites of the national monitoring network for persistent organic pollutants (POPs) in South Korea. The target compounds were brominated flame retardants (BFRs), including polybrominated diphenyl ethers (PBDEs), polybrominated biphenyls (PBBs), hexabromocyclododecanes (HBCDDs), and tetrabromobisphenol A (TBBPA). The mean concentrations of Sigma(27) PBDEs, Sigma(3) HBCDDs, and TBBPA in soil were 222, 17.2, and 4.4 ng/g, respectively, but PBBs were not detected. Industrial sites had statistically higher BFR concentrations than suburban sites but no significant difference compared with urban sites. The commercial deca-BDE mixtures were the most likely source of PBDE contamination in the soil samples, with the minor influence of commercial penta-BDE and octa-BDE mixtures. The profiles of HBCDDs in most soil samples differed from those in the powder types of technical HBCDD mixtures, indicating that they are affected by the HBCDDs contained in commercial products and the conversion of HBCDD diastereoisomers (gamma-HBCDD to alpha-HBCDD) in the environment. The concentrations of Sigma(27) PBDEs, Sigma(3) HBCDDs, and TBBPA were significantly correlated with population density, gross domestic product, and the number of companies (p < 0.01), indicating a direct impact of anthropogenic activities. Significant correlations among BFRs were determined (0.63 < r < 0.74, p < 0.01), suggesting that these pollutants had similar sources. Relatively good correlations (0.44 < r < 0.98, p < 0.01) between BDE-209 and other light BDEs (except for BDE-71, -77, -126, -156, and -205) might result from the degradation of heavy BDEs under anaerobic and natural sunlight conditions. To the best of our knowledge, this study provides the most comprehensive soil monitoring data for various BFRs in South Korea. Furthermore, it is the first report on soil contamination by deca-BDE, HBCDDs, and TBBPA in South Korea. (C) 2020 Elsevier Ltd. All rights reserved. ko
dc.language 영어 ko
dc.publisher ELSEVIER SCI LTD ko
dc.title Spatial distribution, source identification, and anthropogenic effects of brominated flame retardants in nationwide soil collected from South Korea ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85096383673 ko
dc.identifier.wosid 000615555000081 ko
dc.type.rims ART ko
dc.identifier.doi 10.1016/j.envpol.2020.116026 ko
dc.identifier.url https://www.sciencedirect.com/science/article/pii/S0269749120367154?via%3Dihub ko
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