Residual and potential ecological risks of PCBs in the mollusk from Zhoushan Fishery

PAN Yong-qiang; XUE Bin; ZHANG Shen-wei; HUANG Zi-yin

doi:10.3969/j.issn.1001-909X.2018.02.012

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Journal of Marine Sciences ›› 2018, Vol. 36 ›› Issue (2) : 92-98. DOI: 10.3969/j.issn.1001-909X.2018.02.012

Residual and potential ecological risks of PCBs in the mollusk from Zhoushan Fishery

PAN Yong-qiang¹, XUE Bin^*2, ZHANG Shen-wei¹, HUANG Zi-yin¹

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Abstract

In this study, residues, possible sources and ecological risk of 22 polychlorinated biphenyls (PCBs) in five mollusks from Zhoushan Fishing Ground (ZFG) were studied. The total concentration of PCBs in the collected samples ranged from 18.0 ng/g dry weight (dw) to 95.9 ng/g dw, with average of 51.9 ng/g dw. Compared with mollusks from other sea areas, the levels of PCBs in ZFG were at the median worldwide. The results of composition profiles show that penta- and di-PCBs are the most abundant. The health risk of PCBs calculated was far below 1, indicating low risk to human health.

Key words

Zhoushan Fishing Ground / mollusk / polychlorinated biphenyls / health risk

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PAN Yong-qiang, XUE Bin, ZHANG Shen-wei, HUANG Zi-yin. Residual and potential ecological risks of PCBs in the mollusk from Zhoushan Fishery[J]. Journal of Marine Sciences. 2018, 36(2): 92-98 https://doi.org/10.3969/j.issn.1001-909X.2018.02.012

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