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  • Title: [Occurrence of dissolved polychlorinated biphenyls and organic chlorinated pesticides in the surface water of Haihe River and Bohai ay, China].
    Author: Wang T, Zhang ZL, Huang J, Hu HY, Yu G, Li FS.
    Journal: Huan Jing Ke Xue; 2007 Apr; 28(4):730-5. PubMed ID: 17639928.
    Abstract:
    Polychlorinated biphenyls (PCBs), hexachlorocyclohexanes (HCHs) and dichlorodiphenyl-trichloroethanes (DDTs) were analyzed in the surface water of Haihe River and Bohai Bay, in north of China. Concentrations of PCBs, HCHs and DDTs were 0.31 - 3.11 microg/L, 0.30 -1.07 microg/L and 0.02 - 0.15 microg/L in river, and in sea were 0.06 - 0.70 microg/L, 0.05 - 0.75 microg/L and 0.01 - 0.11 microg/L respectively. Mostly, the PCBs, HCHs and DDTs in the Bohai Bay are from terrestrial input by Haihe River. PCBs and organic chlorinated pesticides (OCPs) are positively correlated with DOC (dissolved organic carbon). The levels of PCBs and OCPs in Haihe River in this study are quite higher than the similar surface waters in China, while the levels in Bohai Bay are quite consistent with similar waters abroad.
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