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Polybrominated diphenyl ethers (PBDEs) in the riverine and marine sediments of the Laizhou Bay area, North China
Pan, Xiaohui1; Tang, Jianhui1; Li, Jun2; Zhong, Guangcai1; Chen, Yingjun1; Zhang, Gan1,2
2011-04-01
发表期刊JOURNAL OF ENVIRONMENTAL MONITORING
ISSN1464-0325
卷号13期号:4页码:886-893
产权排序[Pan, Xiaohui; Tang, Jianhui; Zhong, Guangcai; Chen, Yingjun; Zhang, Gan] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc, Yantai 264003, Peoples R China; [Li, Jun; Zhang, Gan] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China
摘要62 riverine and marine sediments were collected from the Laizhou Bay area, where the largest manufacturing base of brominated flame retardants (BFRs) in Asia is located. Eight polybrominated diphenyl ethers (PBDEs) were analyzed to investigate the impact of rapidly-developed bromine industries on the regional aquatic system. PBDE concentrations varied largely in riverine sediments. Sigma 7PBDEs (including BDE 28, 47, 99, 100, 153, 154 and 183) and BDE 209 ranged from 0.01 to 53 ng g(-1) dw and from 0.74 to 285 ng g(-1) dw with a mean value of 4.5 ng g(-1) dw and 54 ng g(-1) dw, respectively, indicating a strong influence of direct pollution discharges from local factories. In marine sediments, Sigma 7PBDEs and BDE 209 ranged from not detected (nd) to 0.66 ng g(-1) dw and from 0.66 to 12 ng g(-1) dw with a mean value of 0.32 ng g(-1) dw and 5.1 ng g(-1) dw, respectively. PBDE concentrations were mostly <10 ng g(-1) dw for Sigma 7PBDEs and <50 ng g(-1) dw for BDE 209, which are at a relatively low level for monitored riverine and coastal sediments around the world. Even at the most contaminated sites in Laizhou Bay area, PBDE concentrations were not among the highest concentrations reported in the literature. Congener compositions were dominated by BDE 209 (57.2-99.9% of the sum of BDE congeners), with minor contributions from penta-and octa-BDE products. Tri-to octa-BDE congeners were well correlated among each other (r > 0.75) and thus sources from similar mixing of penta-and octa-BDE products were suggested in this area. Compared with riverine sediments, a much better correlation between PBDE concentrations with TOC was observed in marine environment. The congener pattern changed and their correlation coefficients among each other were remarkably reduced. Contributions of BDE 28, 47 and 99 to Sigma 7PBDEs were generally the same in almost all the marine sites, while it was distinctively higher for BDE 153. These are probably attributable to several reasons, such as contributions by atmospheric deposition and/or redistribution between particles of various sizes during and/or after fluvial transportation combined with the difference of physiochemical properties of BDE congeners.; 62 riverine and marine sediments were collected from the Laizhou Bay area, where the largest manufacturing base of brominated flame retardants (BFRs) in Asia is located. Eight polybrominated diphenyl ethers (PBDEs) were analyzed to investigate the impact of rapidly-developed bromine industries on the regional aquatic system. PBDE concentrations varied largely in riverine sediments. Sigma 7PBDEs (including BDE 28, 47, 99, 100, 153, 154 and 183) and BDE 209 ranged from 0.01 to 53 ng g(-1) dw and from 0.74 to 285 ng g(-1) dw with a mean value of 4.5 ng g(-1) dw and 54 ng g(-1) dw, respectively, indicating a strong influence of direct pollution discharges from local factories. In marine sediments, Sigma 7PBDEs and BDE 209 ranged from not detected (nd) to 0.66 ng g(-1) dw and from 0.66 to 12 ng g(-1) dw with a mean value of 0.32 ng g(-1) dw and 5.1 ng g(-1) dw, respectively. PBDE concentrations were mostly <10 ng g(-1) dw for Sigma 7PBDEs and <50 ng g(-1) dw for BDE 209, which are at a relatively low level for monitored riverine and coastal sediments around the world. Even at the most contaminated sites in Laizhou Bay area, PBDE concentrations were not among the highest concentrations reported in the literature. Congener compositions were dominated by BDE 209 (57.2-99.9% of the sum of BDE congeners), with minor contributions from penta-and octa-BDE products. Tri-to octa-BDE congeners were well correlated among each other (r > 0.75) and thus sources from similar mixing of penta-and octa-BDE products were suggested in this area. Compared with riverine sediments, a much better correlation between PBDE concentrations with TOC was observed in marine environment. The congener pattern changed and their correlation coefficients among each other were remarkably reduced. Contributions of BDE 28, 47 and 99 to Sigma 7PBDEs were generally the same in almost all the marine sites, while it was distinctively higher for BDE 153. These are probably attributable to several reasons, such as contributions by atmospheric deposition and/or redistribution between particles of various sizes during and/or after fluvial transportation combined with the difference of physiochemical properties of BDE congeners.
通讯作者Tang, JH, Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc, Yantai 264003, Peoples R China.jhtang@yic.ac.cn ; zhanggan@gig.ac.cn
关键词Brominated Flame Retardants Organochlorine Pesticides Polychlorinated-biphenyls Spatial-distribution Surface Sediments Potential Sources Great-lakes Bohai Sea Delta Environment
作者部门污染过程与控制实验室 
学科领域Chemistry, Analytical ; Environmental Sciences
项目资助者Chinese Academy of Sciences [kzcx2 yw 223]; Science and Technology Development projects of Yantai City [2008155]; CAS/SAFEA ; Natural Science Foundation of China [40873062]; Science and Technology Development Program Project of Shandong Province [2008GG20005006, 2008GG3NS07005]
收录类别SCI
关键词[WOS]BROMINATED FLAME RETARDANTS ; ORGANOCHLORINE PESTICIDES ; POLYCHLORINATED-BIPHENYLS ; SPATIAL-DISTRIBUTION ; SURFACE SEDIMENTS ; POTENTIAL SOURCES ; GREAT-LAKES ; BOHAI SEA ; DELTA ; ENVIRONMENT
文章类型Article
语种英语
WOS研究方向Chemistry ; Environmental Sciences & Ecology
WOS记录号WOS:000289172300015
引用统计
被引频次:26[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/4904
专题污染过程与控制实验室
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc, Yantai 264003, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China
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GB/T 7714
Pan, Xiaohui,Tang, Jianhui,Li, Jun,et al. Polybrominated diphenyl ethers (PBDEs) in the riverine and marine sediments of the Laizhou Bay area, North China[J]. JOURNAL OF ENVIRONMENTAL MONITORING,2011,13(4):886-893.
APA Pan, Xiaohui,Tang, Jianhui,Li, Jun,Zhong, Guangcai,Chen, Yingjun,&Zhang, Gan.(2011).Polybrominated diphenyl ethers (PBDEs) in the riverine and marine sediments of the Laizhou Bay area, North China.JOURNAL OF ENVIRONMENTAL MONITORING,13(4),886-893.
MLA Pan, Xiaohui,et al."Polybrominated diphenyl ethers (PBDEs) in the riverine and marine sediments of the Laizhou Bay area, North China".JOURNAL OF ENVIRONMENTAL MONITORING 13.4(2011):886-893.
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