Distribution of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDDs/Fs) and dioxin-like polychlorinated biphenyls (dioxin-like PCBs) in the soil in a typical area of eastern China.
作者： Jinsong Liu , Weiping Liu
DOI: 10.1016/J.JHAZMAT.2008.07.080
关键词: Polychlorinated dibenzodioxins 、 Toxic equivalency factor 、 Pollution 、 Environmental chemistry 、 Polychlorinated dibenzofurans 、 Persistent organic pollutant 、 Soil contamination 、 Soil classification 、 Chemistry 、 Sediment
摘要: The distribution and concentrations of polychlorinated dibenzo-p-dioxins (PCDDs) dibenzofurans (PCDFs) dioxin-like biphenyls (dioxin-like PCBs, also called co-PCBs) in a typical area eastern China were evaluated by analysis 21 soil 6 sediment samples. range WHO-TEQ values for the PCDD/Fs PCBs 17 samples representing background investigation study was 0.017–5.04 pg g−1 (dry weight, dw), with mean value 0.967(±1.361) medium 0.348 g−1, which indicates that levels over major part this district low. However, (6.52–16.7 dw) to leeward known contaminated disassembly industrial park much higher than investigation, downstream 2.25–34.6 (dw). decreased an increase distance from researched pollution source. principal component demonstrated derived correlative matrix. Yet different patterns them strongly indicate other potential sources may be exist, further researches should done get more information about distributions PCBs.
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