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The concentrations of polybrominated diphenyl ethers (PBDEs) were determined in the surface sediments of 20 locations in the East China Sea (ECS). The ∑PBDEs (sum of 13 PBDE congeners, without brominated diphenyl ether 209 (BDE209) ranged from 2.6 to 49 pg g−1 (dry weight) with an average of 21 pg g−1, which fell at the low end of the global range. The spatial distribution presented an offshore decreasing...
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