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Polybrominated Diphenyl Ethers in Mudsnails (Cipangopaludina cahayensis) and Sediments from an Electronic Waste Recycling Region in South China


Mudsnails and sediments from an electronic waste recycling region in South China were chosen to study the polybrominated diphenyl ethers (PBDEs) bioavailability of mudsnail in different ambient levels. Significant (p < 0.05)  correlations of biota-sediment accumulation factor (BSAF) versus the reciprocal of PBDE concentration in sediment (1/Sed) occurred in all quantitative PBDE congeners except BDE-209, showed that the BSAFs of PBDEs in mudsnails were increased with reciprocal increasing ambient levels. The BDE-183 correlation of mudsnail versus sediment (r = 0.580) was much lower than the correlation of BDE-209 versus BDE-183 in mudsnails (r = 0.812), indicated the main source of BDE-183 in mudsnails was from the debromination of higher brominated PBDEs.

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This study was financially supported by the National Basic Research Program of China (973 Program) (2003CB415005), the Knowledge Innovation Program of Chinese Academy of Sciences (KZCX2-YW-420-3) and the National Natural Science Foundation of China (20437020).

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Correspondence to X. B. Xu.

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Yang, Z.Z., Zhao, X.R., Qin, Z.F. et al. Polybrominated Diphenyl Ethers in Mudsnails (Cipangopaludina cahayensis) and Sediments from an Electronic Waste Recycling Region in South China. Bull Environ Contam Toxicol 82, 206–210 (2009).

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  • Polybrominated diphenyl ethers (PBDEs)
  • Mudsnail
  • Sediment
  • Biota-sediment accumulation factor (BSAF)