Temporal trend, spatial distribution, and terrestrial sources of PBDEs and PCBs in Masan Bay, Korea

被引：70

作者：

Hong, Sang Hee ^{[1
]}

Kannan, Narayanan ^{[1
]}

Jin, Yongnu ^{[1
]}

Won, Jong Ho ^{[1
]}

Han, Gi Myung ^{[1
]}

Shim, Won Joon ^{[1
]}

机构：

[1] Korea Ocean Res & Dev Inst, Oil & POPs Res Grp, Geoje Shi 656834, South Korea

来源：

MARINE POLLUTION BULLETIN | 2010年 / 60卷 / 10期

关键词：

Masan Bay; Korea; PBDEs; Time trend; Point source; Assessment; POLYBROMINATED DIPHENYL ETHERS; DIBENZO-P-DIOXINS; CONGENER-SPECIFIC SURVEY; POLYCHLORINATED-BIPHENYLS; ORGANOCHLORINE PESTICIDES; MARINE-SEDIMENTS; FLAME RETARDANTS; INDUSTRIALIZED BAYS; ORGANIC POLLUTANTS; SURFACE SEDIMENTS;

D O I：

10.1016/j.marpolbul.2010.05.023

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Congener specific determination of polybrominated diphenyl ethers (PBDEs) and polychlorinated biphenyls (PCBs) was carried out in 21 surface sediment samples and a sediment core from Masan Bay, Korea. Among the 40 PBDE congeners targeted only 29 were detectable. PBDE congener profile within sediments was dominated by BDE-209 followed by BDEs-99, -47, -153 and -183, sequentially. In surface sediments, the average Sigma PBDEs levels approached that of average Sigma PCBs values. However, trends observed in the sediment core suggest that this pattern will alter over time and result in higher surface sediment PBDE concentrations than PCBs in future. Various diffuse and point sources for PBDEs and PCBs were identified in this location. Shipping and other industrial activities were associated with PCB contamination while domestic and industrial waste discharges corresponded with PBDE contamination. The average concentration for PBDEs and PCBs in surface sediments were 5.7, 7.2 ng/g dry weight, respectively. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：1836 / 1841

页数：6

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