Abstract
The aims of this study were to investigate and confirm the occurrence and distribution patterns of perfluorinated compounds (PFCs) in Nakdong River basin (mainstream and its tributaries). 7 (PFOS, PFHpA, PFOA, PFNA, PFDA, PFUnDA and PFDoDA) out of 11 PFCs were detected in 29 sampling sites and PFOA and PFHpA were predominant compounds in upstream, but PFUnDA, PFDoDA and PFOS were predominant compounds in middle stream of Nakdong River basin. The total concentration levels of PFCs on February 2009 and on August 2009 in surface water samples ranged from 4.3. to 1168.2 ng/L and 16.4 to 627.8 ng/L, respectively. The highest concentration level of PFCs in the mainstream and tributaries in Nakdong River were Goryeong and Jincheon-cheon, respectively. The sewage treatment plants (STPs) along the river affect the PFCs levels in river and the PFCs levels decreased with downstream because of dilution effects.
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