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Human exposure to polybrominated diphenyl ethers at production area, China



The concentrations of polybrominated diphenyl ethers (PBDEs) were detected in air and aquatic products in PBDEs production areas which are located at the south coast area of Laizhou Bay, Shandong province, China in this study. Concentrations of ∑PBDEs in the air ranged from 0.47 ng/m3 to 161 ng/m3. In aquatic products, concentrations of ∑PBDEs ranged from 2.7 ng/g wet weight to 42 ng/g wet weight. The mean dietary intake of ∑PBDEs via aquatic products consumption in this study was 218 ng/day. Daily intake of ∑PBDEs via inhalation in this study was 612 ng for men and 455 ng for women. With a contribution of 80%, BDE-209 was predominant in the total intake. Dietary intake and breathing inhalation contributed 29 and 71%, respectively, to the total PBDEs intake. The results indicate that breathing inhalation also plays a very significant pathway for the population of the PBDEs production area. Compared with similar studies in other countries, human exposure to PBDEs via diet and inhalation in this study was the highest in the world. Environ. Toxicol. Chem. 2010;29:1031–1035. © 2010 SETAC

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