Polychlorinated Biphenyls (PCBs) in Urban Stream Sediments from Suzhou Industrial Park in China: Occurrence and Potential Risk
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Anhui Provincial Engineering Laboratory of Water and Soil Pollution Control and Remediation, School of Ecology and Environment, Anhui Normal University, Wuhu, Anhui, 241002, PR China
Suzhou Institute for Advanced Study, University of Science and Technology of China, Suzhou, Jiangsu, 215123, PR China
Submission date: 2021-05-14
Final revision date: 2021-08-02
Acceptance date: 2021-09-10
Online publication date: 2022-01-04
Publication date: 2022-02-16
Corresponding author
Xiaoguo Wu   

Anhui Normal University, College of Environmental Science and Engineering, , 241002, Wuhu, China
Pol. J. Environ. Stud. 2022;31(2):1485-1491
The concentration, spatial distribution, homologue profiles, sources, toxicity and risk of PCBs in urban stream sediments from a national eco-industrial park named Suzhou Industrial Park (SIP) in China were investigated in this work. Concentrations of ΣPCBs varied from 0.13 to 4.7 ng g-1, with an average value of 1.7±1.2 ng g-1. Spatial variations indicated that PCB concentrations had no correlation with land uses in the SIP. Tetra-PCBs and hexa-PCBs were the most abundant PCB homologues, which were different from those found in Chinese commercial PCBs and might be mainly derived from other sources. The potential toxicity and risk of PCBs here might be negligible based on the total equivalent concentration (TEQ) analysis and sediment quality guidelines (SQG).
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