Evidence for the transfer of polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins, and polychlorinated dibenzofurans from soil into biota.
作者： Xingru Zhao , Minghui Zheng , Bing Zhang , Qinghua Zhang , Wenbin Liu
DOI: 10.1016/J.SCITOTENV.2006.02.027
关键词:
摘要: The concentrations of six indicator and co-planar polychlorinated biphenyls (PCBs), 17 dibenzo-p-dioxins, dibenzofurans (PCDD/Fs) were determined in soil associated biota samples collected from a polluted wasted farmland southern China. sum PCBs (Nos 28, 52, 101, 138, 153 180) proportional to the total amount that transferred corresponding samples, PCB congeners about 20% PCBs, respectively. ratios same area approximately equal. sums plant, while not. Analysis individual PCDD/F congener signatures revealed original pollutant source after transportation biodegradation for 14 years using principal component analysis (PCA). pattern soils plants could reflect pollution years, terrestrial animals not primary source. consumption foods this region such as foraging chicken eggs, duck loach (Misgurnus anguillicaudatus) highly contaminated, toxicity equivalent (TEQ) was up 784 pg WHO-TEQ/g on basis lipid eggs.
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