Polybrominated diphenyl ethers in surface sediments of the Yangtze River Delta: Levels, distribution and potential hydrodynamic influence

被引：155

作者：

Chen, She-Jun

Gao, Xiao-Jiang

Mai, Bi-Xian

Chen, Zhuo-Min

Luo, Xiao-Jun ^{[1
]}

Sheng, Guo-Ying

Fu, Jia-Mo

Zeng, Eddy Y.

机构：

[1] Chinese Acad Sci, State Key Lab Organ Geochem, Inst Geochem, Guangzhou 510640, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

[3] Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R China

来源：

ENVIRONMENTAL POLLUTION | 2006年 / 144卷 / 03期

基金：

中国国家自然科学基金;

关键词：

polybrominated diphenyl ethers; sediment; spatial distribution; Yangtze River Delta; BROMINATED FLAME RETARDANTS; POLYCYCLIC AROMATIC-HYDROCARBONS; ORGANOCHLORINE-PESTICIDES; POLYCHLORINATED-BIPHENYLS; ORGANIC POLLUTANTS; ENVIRONMENTAL FATE; GREAT-LAKES; CHINA SEA; PBDES; PAHS;

D O I：

10.1016/j.envpol.2006.01.044

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A total of 32 surface sediments collected from the Yangtze River Estuary, Hangzhou Bay and the Qiantang River were analyzed for polybrominated diphenyl ethers (PBDEs). The concentrations of Sigma PBDEs (sum of 12 PBDE congeners without BDE 209) and BDE 209 varied from n.d. to 0.55 and from 0.16 to 94.6 ng/g, respectively. The spatial variability of :PBDEs concentrations indicated that waste discharge from the urban areas might been the main source of PBDEs in the Yangtze River Delta. BDE 209 was the predominant congener (similar to 90-100%) detected among the 13 congeners, consistent with the fact that technical deca-BDE mixtures are presently the dominant technical PBDE mixtures used in China. Compared to published data acquired from other locales, PBDE congeners with less than four bromines were more abundant in the present study area. The hydrodynamic conditions may likely be a significant factor in dictating the observed levels and congener distribution patterns of PBDEs. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：951 / 957

页数：7

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