Abstract
Fourteen indoor dust samples were collected in 2010 winter from four cities in Heilongjiang Province, China. Fourteen polybrominated diphenyl ethers (PBDEs) were identified and quantified. Concentration of the total 14 PBDEs ranged from 240 to 9,270 ng/g, with the median of 2,520 ng/g. BDE209 was the dominant congener with concentrations ranged from 234 to 9,190 ng/g, accounting for 97.2 % of the total concentration. Positive correlations (r > 0.8, p < 0.005) were found between the group of BDE17, 28, 66, 47 and the group of BDE85, 99, 100, between BDE153 and BDE154, between BDE209 and BDE183, indicating the similar sources and/or pathways in indoor environment. Principal component analysis showed that the major sources of PBDEs were commercial Penta-BDEs and Deca-BDEs. Human exposure analysis showed that children of 1–5 years old had the highest exposure to PBDEs.
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Acknowledgments
This study was financially supported by the Natural Science Foundation of China (No. 21107020 and 41101493). This study was partly supported by State Key Laboratory of Urban Water Resource and Environment (Harbin Institute of Technology) (No. 2011TS03) and “the Fundamental Research Funds for the Central Universities” (Grant No. HIT. NSRIF. 2014095).
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Zhu, Nz., Qi, H., Zhang, F. et al. Concentration, Sources and Human Exposure of Polybrominated Diphenyl Ethers in Indoor Dust in Heilongjiang Province, China. Bull Environ Contam Toxicol 91, 640–644 (2013). https://doi.org/10.1007/s00128-013-1095-3
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DOI: https://doi.org/10.1007/s00128-013-1095-3