期刊
ENVIRONMENTAL POLLUTION
卷 159, 期 10, 页码 2982-2988出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2011.04.024
关键词
Brominated diphenyl ethers; Dechlorane Plus; Air; Flame retardants; Persistent organic pollutants (POPs)
资金
- National Basic Research Program of China [2008CB418205]
- National Natural Scientific Foundations of China [40903043, 40873075, 40830745]
- Chinese Academy of Sciences [KZCX2-YW-403]
- State Key Laboratory of Organic Geochemistry [SKLOG2008A03]
In present study, atmospheric particles from Shanghai, the biggest city and the most important industrial base in China, were analyzed for polybrominated diphenyl ethers (PBDEs) and Dechlorane Plus (DP). Concentrations of Sigma 20PBDEs and DP both exhibited the changing trend of industrial area > urban areas. Jiading District had the highest levels of particulate PBDEs and DP with values of 744 +/- 152 pg/m(3) and 5.48 +/- 1.28 pg/m(3), respectively. Compared with similar data in other areas of the world, PBDEs in Shanghai were at medium pollution level, while DP was at lower level, which reflected their different production and use in Shanghai. The results from multiple linear regression analysis suggested that deca-BDE mixture was the most important contributor of particulate PBDEs in Shanghai. The fractions of anti-DP showed no significant differences to those of the technical mixtures (p > 0.05), which suggested that no obviously stereoselective process occurred in ambient air around Shanghai. (C) 2011 Elsevier Ltd. All rights reserved.
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