Composition, Distribution, and Characterization of Polybrominated Diphenyl Ethers in Sandstorm Depositions in Beijing, China
Bulletin of Environmental Contamination and Toxicology(2009)
Abstract
This study was conducted to determine the concentration of 8 polybrominated diphenyl ethers (PBDEs) in sandstorm depositions in Beijing, China. The PBDE concentrations in 10 samples collected in Beijing ranged from 8.47 to 29.02 ng g −1 , with BDE-209 as the predominant congener (>85%). Principal component analysis revealed that the major source of PBDEs in Beijing may be potentially associated with deca-BDE. Furthermore, increasing PBDE contamination was observed from northwest to east Beijing. Finally, possible factors affecting contamination of the sandstorm depositions were subsequently explored revealing a significant correlation between ΣPBDEs and the minimum particle size of the sandstorm deposition samples.
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Key words
Beijing,China,Pollution,Polybrominated diphenyl ethers,Sandstorm deposition
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