Since polybrominated biphenyl ethers (PBDEs) are known to be present in various species of fish, it is likely that fish processing effluent would contain significant amount of PBDEs. The purpose of this study was to determine the PBDE concentrations in sediments located near fish plant effluent outfalls. The range of concentrations of PBDEs in marine sediments in Canada published in the literature was very similar to the results obtained in this study (0.015–5.12 ng/g, dry weight). The concentrations measured in this study for all three technical mixtures (2.78 × 10−3, 1.92 × 10−3 and 2.02 × 10−3 mg/kg, respectively) were all below known toxicity thresholds (0.031, 9.1 and 76 mg/kg, respectively).
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We thank Bertin Gauvin from La coallition pour la viabilité de l’environnement de Shippagan et des Îles Lamèque et Miscou, Simon Courtenay from Fisheries and Oceans Canada at the Canadian Rivers Institute and Monica Boudreau from Fisheries and Oceans Canada for their technical assistance in obtaining and analysing the sediment samples. We are also grateful to Paula Jackman and Ken Doe from Environment Canada’s Environmental Quality Laboratory in Moncton (NB) for the ammonia, redox and sulphide results.
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Lalonde, B.A., Ernst, W. Polybrominated Diphenyl Ethers (PBDEs) Concentration in Sediments Located in the Vicinity of Fish Plant Effluent Outfalls in the Maritimes. Bull Environ Contam Toxicol 84, 322–325 (2010). https://doi.org/10.1007/s00128-009-9930-2
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