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  • Title: Survey on organochlorine pesticides, PCDD/Fs, dioxin-like PCBs and HCB in sediments from the Han river, Korea.
    Author: Kim KS, Lee SC, Kim KH, Shim WJ, Hong SH, Choi KH, Yoon JH, Kim JG.
    Journal: Chemosphere; 2009 May; 75(5):580-587. PubMed ID: 19285335.
    Abstract:
    The contamination status of twelve persistent organic pollutants (POPs) on the Stockholm convention in the surface sediments of Han river, which is one of the largest river in the South Korea were investigated. Five organochlorine pesticides (OCPs) such as aldrin, dieldrin, endrin, mirex, and SigmaCHLs (alpha-chlordane, gamma-chlordane, cis-nonachlor, trans-nonachlor, and heptachlor) were not detected in all sediment samples. The overall concentrations of DDTs, HCB, dioxin-like PCBs (DL-PCBs) and PCDD/Fs were in the range of 1.05-8.94microgkg(-1) (average value: 3.93microgkg(-1)), 0.485-3.73microgkg(-1) (1.48microgkg(-1)), 41.5-4,530ngkg(-1) (548ngkg(-1)), and 23.1-368ngkg(-1) (131ngkg(-1)), respectively. The principal source of HCB, DL-PCBs and PCDD/Fs was identified as a deposition in this study. For the DL-PCBs, it was also shown that commercial PCBs product (Kanechlor 500 and/or Aroclor 1254) plays a role as a source in sediment.
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