Abstract
Polybrominated diphenyl ethers (PBDEs) were investigated in sediments and invertebrates (gammarids and caddisflies) collected in the River Po, upstream and downstream from a polluted tributary. Besides a diffuse contamination by penta-BDE technical mixture, the river sediments identified the tributary as an important source to the main river of decabromodiphenyl ether (BDE-209), which peaked to 64 μg/g (OC) in the downstream stretch. At 10 km downstream from the tributary, a higher bioavailability was evident than at 22 km, and small gammarids accumulated at two/three times the levels of PBDEs found in large gammarids. The congener profiles of sediments and invertebrates were dominated by BDE-47, BDE-99 and BDE-209.
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This research was funded by the European Community within the EASYRING project, EU Contract No. QLK4-2002-02286.
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Viganò, L., Roscioli, C., Erratico, C. et al. Polybrominated Diphenyl Ethers (PBDEs) in Gammarids, Caddisflies, and Bed Sediments of the Lowland River Po. Bull Environ Contam Toxicol 82, 200–205 (2009). https://doi.org/10.1007/s00128-008-9605-4
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DOI: https://doi.org/10.1007/s00128-008-9605-4