Risk assessment of polychlorinated biphenyls and heavy metals in soils of an abandoned e-waste site in China

被引：129

作者：

Zhang, Quan ^{[1
,2
]}

Ye, Jingjia ^{[1
]}

Chen, Jinyuan ^{[1
]}

Xu, Hangjie ^{[1
]}

Wang, Cui ^{[1
,2
]}

Zhao, Meirong ^{[1
]}

机构：

[1] Zhejiang Univ Technol, Coll Biol & Environm Engn, Hangzhou 310032, Zhejiang, Peoples R China

[2] Zhejiang Univ, Coll Environm & Resource Sci, Hangzhou 310058, Zhejiang, Peoples R China

来源：

ENVIRONMENTAL POLLUTION | 2014年 / 185卷

基金：

中国国家自然科学基金;

关键词：

Electrical and electronic waste; Abandoned area; Risk assessment; Polychlorinated biphenyls; Metals; TAIZHOU AREA; RECYCLING SITES; VEGETATIONS; POLLUTANTS; EMISSIONS; TRANSPORT; POLLUTION; TOXICITY;

D O I：

10.1016/j.envpol.2013.11.003

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Risk assessment of abandoned e-waste recycling areas received little attention. Herein, we report the concentrations of 16 PCBs and 7 heavy metals in soils near an abandoned e-waste recycling plant in Taizhou, China. Our data showed that levels of tri-, tetra-, penta-, hexa-PCBs were 9.01, 5.56, 12.93, 3.13 mg/kg, and Pb, Cd, Cu were 6082.9, 42.3, 2364.2 mg/kg soil. Cd was the most prevalent contaminant with Nemerow index value of 44.3. Contaminants have been transported from the abandoned site to nearby areas. The ecology risk assessment based on the high toxicological effect in Chinese hamster ovary cells and earthworms showed that both PCBs and heavy metal residue pose high risk to the ecosystem. Hazard quotient showed that Pb, Cd, Hg and Cu pose high health risks for adults and children. Our results recommended a full examination of the risk and regulatory compliance of abandoned e-waste recycling areas in the future. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：258 / 265

页数：8

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