Journal
ENVIRONMENTAL POLLUTION
Volume 156, Issue 3, Pages 1298-1303Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2008.03.008
Keywords
Distribution; delta N-15; Bioaccumulation; Risk assessment; Perfluorinated compounds
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Funding
- National Basic Research Program of China [2006CB403306]
- National Natural Science Foundation of China [20677060, 20777074]
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Perfluorinated compounds (PFCs) were measured in zooplankton and five fish species collected from Gaobeidian Lake, which receives discharge from wastewater treatment plant (WWTP) in Beijing, China. The mean total PFCs in five fish were in the order: crucian carp > common carp > leather catfish > white semiknife carp > tilapia. Perfluorooctane sulfonate (PFOS) occurred at the greatest concentrations, with mean concentrations ranging from 5.74 to 64.2 ng/ml serum. Perfluorodecanoic acid (PFDA) was the second dominant PFC in fish samples except for common carp in which perfluorooctane sulfonamide (PFOSA) was dominant. A positive linear relationship (r(2) = 0.85, p < 0.05) was observed between In PFOS concentrations (In ng/ml) and trophic level (based on delta N-15) if tilapia was excluded. The risk assessment showed that PFOS might not pose an immediate risk to fish in Gaobeidian Lake. (C) 2008 Elsevier Ltd. All rights reserved.
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