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  • Title: Perfluorinated compounds in estuarine and coastal areas of north Bohai Sea, China.
    Author: Wang T, Lu Y, Chen C, Naile JE, Khim JS, Park J, Luo W, Jiao W, Hu W, Giesy JP.
    Journal: Mar Pollut Bull; 2011 Aug; 62(8):1905-14. PubMed ID: 21683968.
    Abstract:
    Perfluorinated compounds (PFCs) in water, sediment, soil, and biota collected from estuarine and coastal areas of the north Bohai Sea, China, were determined by use of HPLC-MS/MS. Significant concentrations of PFCs were found in water (mean: 18.4 ng/l) and biologic samples (fish: 265 ng/g dw), while concentrations of PFCs in soils and sediments were less. The predominately detected compound was perfluorooctanesulfonate (PFOS), with a maximum concentration of 30.9 ng/l in water and 791 ng/g dw in fish. Concentrations of PFCs were significantly greater in the Liaohe River system than other locations, which suggests point sources in this urbanized and industrialized region. PFOS concentrations in water and biota were both less than the reported threshold concentrations. Detection of PFCs at relatively great concentrations in various environmental matrices from this region suggested that further studies characterizing concentrations of PFCs, their sources and potential risk to both humans and wildlife are needed.
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