Shuangxin Shi , Liang Dong, Wenlong Yang, Li Zhou, Lifei Zhang Zhang, Xiulan Zhang, Yeru Huang

  • National Research Center for Environmental Analysis and Measurements, Dioxin Pollution Control Key Laboratory of State Environmental Protection Administration, Beijing 100029, China

Received: November 5, 2012
Revised: February 1, 2013
Accepted: February 1, 2013
Download Citation: ||https://doi.org/10.4209/aaqr.2012.11.0304  

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Cite this article:
Shi, S., Dong, L., Yang, W., Zhou, L., Zhang, L.Z., Zhang, X. and Huang, Y. (2014). Monitoring of Airborne Polybrominated Diphenyl Ethers in the Urban Area by Means of Road Dust and Camphor Tree Barks. Aerosol Air Qual. Res. 14: 1106-1113. https://doi.org/10.4209/aaqr.2012.11.0304


 

ABSTRACT


Urban road dust and camphor tree bark samples were collected in June of 2009 from Suzhou, Wuxi and Nantong in the Yangtze River Delta, China. Eight polybrominated diphenyl ether (PBDE) congeners (BDE-28, 47, 100, 99,154, 153, 183 and 209) were measured to determine the levels and compositional profiles in the samples. The concentrations of Σ7PBDEs and BDE-209 ranged from N.D to 35.5 μg/kg and 4.01 to 1439 μg/kg dry weight (dw) in the road dust samples, 5.1 to 799 μg/kg and 121 to 3243 μg/kg lipid weight (lw) in the tree bark samples, respectively. BDE-209 was the predominant congener (contributing to 64.1–99.8% of Σ8PBDEs) in all samples. Apart from fugitive emissions from PBDE-containing products, combustion processes and vehicles emissions could also contribute BDE-209 to the road dust and tree bark samples. On average, the PBDEs contamination degree in three cities follow the order of Nantong > Suzhou > Wuxi. Road dust and tree bark proved to be an effective accumulator to reflect the degree of atmospheric PBDEs pollutants in the urban environment.


Keywords: Road dust; Tree bark; Polybrominated diphenyl ethers; Urban area


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