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Exposure of electronics dismantling workers to polybrominated diphenyl ethers, polychlorinated biphenyls, and organochlorine pesticides in south China.

Bi, Xinhui and Thomas, Gareth and Jones, Kevin C. and Qu, Weiyue and Sheng, Guoying and Martin, Francis L. and Fu, Jiamo (2007) Exposure of electronics dismantling workers to polybrominated diphenyl ethers, polychlorinated biphenyls, and organochlorine pesticides in south China. Environmental Science & Technology, 41 (16). pp. 5647-5653. ISSN 0013-936X

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Abstract

In P.R. China, electronic waste (e-waste) from across the world is dismantled and disposed of. Concentrations of polybrominated diphenyl ethers (PBDEs), polychlorinated biphenyls (PCBs), and organochlorinated pesticides (OCPs) were measured in serum from residents of an e-waste dismantling region (Guiyu, South China), where 80% of families work in e-waste recycling, and compared to a matching cohort from a nearby region where the fishing industry dominates (Haojiang). Serum concentrations of PBDEs and OCPs, but not PCBs, were significantly different in the two regions - the median ΣPBDE concentration was 3 times higher in Guiyu than Haojiang, whereas the opposite was true for DDT. PBDEs typically accounted for 46% of the total organohalogen chemicals in samples from Guiyu, but 8.7% in Haojiang. The median BDE-209 concentration in Guiyu was 50-200 times higher than previously reported in occupationally-exposed populations. The highest BDE-209 concentration was 3100 ng/g lipid, the highest yet reported in humans. Serum PBDE concentrations did not correlate with PCBs or OCPs, whereas PCBs and OCPs showed positive correlations, suggesting that sources of PBDEs to humans are different from PCBs and OCPs. The levels of PBDEs in individuals from Haojiang are possibly related to the recycling activity at Guiyu, through atmospheric transport.

Item Type: Article
Journal or Publication Title: Environmental Science & Technology
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 4399
Deposited By: Dr Gareth Thomas
Deposited On: 12 Mar 2008 16:10
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 18:10
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/4399

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