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Spatial distribution of old and emerging flame retardants in Chinese forest soils: Sources, trends and processes
Qian Zheng; Luca Nizzetto; Jun Li; Marie D Mulder; Ondřej Sanka; Gerhard Lammel; Haijian Bing; Xin Liu; Yishan Jiang; Chunling Luo; Gan Zhang
Corresponding AuthorGan Zhang
2015
Source PublicationEnvironmental Science & Technology
PagesDOI: 10.1021/es505876k
AbstractThe levels and distribution of polybrominated diphenylethers (PBDEs), novel brominated flame retardants (NBFRs) and Dechlorane Plus (DP) in soils and their dependence on environmental and anthropological factors were investigated in 159 soil samples from 30 background forested mountain sites across China. Decabromodiphenylethane (DBDPE) was the most abundant flame retardant (25-18000 pg g-1 and 5-13000 pg g-1 in O-horizon and A-horizon, respectively), followed by BDE 209 (nd-5900 pg g-1 and nd-2400 pg g-1 in O-horizon and A-horizon, respectively). FRs distributions were primarily controlled by source distribution. The distributions of most phasing-out PBDEs, DP isomers and TBPH were in fact correlated to a population density-based index used as proxy of areas with elevated usage and waste of FR containing products. High concentrations of some NBFRs were however observed in industrialized regions and FR manufacturing plants. Strongly positive correlations were observed between PBDEs and their replacement products suggesting similar emission pattern and environmental behaviour. Exposure of mineral sub-soils depended on precipitations driving leaching of FRs into the soil core. This was especially evident for some emerging BFRs (TBE, TBPH and TBB etc.) possibly indicating potential for diffuse ground water contamination.
KeywordFlame Retardants
Subject Area自然地理学 ; 环境学
DOIDOI: 10.1021/es505876k
URL查看原文
Indexed BySCI
Language英语
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Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/7812
Collection山地灾害与地表过程重点实验室
山地表生过程与生态调控重点实验室
Corresponding AuthorGan Zhang
Recommended Citation
GB/T 7714
Qian Zheng,Luca Nizzetto,Jun Li,et al. Spatial distribution of old and emerging flame retardants in Chinese forest soils: Sources, trends and processes[J]. Environmental Science & Technology,2015:DOI: 10.1021/es505876k.
APA Qian Zheng.,Luca Nizzetto.,Jun Li.,Marie D Mulder.,Ondřej Sanka.,...&Gan Zhang.(2015).Spatial distribution of old and emerging flame retardants in Chinese forest soils: Sources, trends and processes.Environmental Science & Technology,DOI: 10.1021/es505876k.
MLA Qian Zheng,et al."Spatial distribution of old and emerging flame retardants in Chinese forest soils: Sources, trends and processes".Environmental Science & Technology (2015):DOI: 10.1021/es505876k.
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