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Perfluoroalkylated substances (PFASs) and legacy persistent organic pollutants (POPs) in halibut and shrimp from coastal areas in the far north of Norway: Small survey of important dietary foodstuffs for coastal communities

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CARLSSON Pernilla Marianne CROSSE John D. HALSALL Crispin EVENSET Anita HEIMSTAD Eldbjorg S. HARJU Mikael

Rok publikování 2016
Druh Článek v odborném periodiku
Časopis / Zdroj MARINE POLLUTION BULLETIN
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www http://www.sciencedirect.com/science/article/pii/S0025326X16301096
Doi http://dx.doi.org/10.1016/j.marpolbul.2016.02.053
Obor Vliv životního prostředí na zdraví
Klíčová slova Fish; PFOS; PFCA; PBDE; PCB; Arctic
Popis Halibut (Hippoglossus hippoglossus) and shrimps (Pandalus borealis) are regular foodstuffs for communities in northern Norway and important species for the coastal fishing industry. This is the first study to present a comprehensive overview of the contaminant status of these species, with emphasis on unregulated perfluoroalkylated substances (PFAS). The contaminant concentrations were low and within tolerable levels for human dietary exposure. Median Sigma polychlorinated biphenyls (PCB) were 4.9 and 2.5 ng/g ww for halibut and unpeeled shrimps, respectively. Concentrations of perfluorooctane sulfonate (PFOS) - the most abundant PFASs - were 0.9 and 2.7 ng/g ww in halibut and shrimp, respectively. The halibut fillets were dominated by PCBs, which contributed to 50% of the total POPs load, followed by Sigma DDTs; 26% and PFASs (18%), whereas shrimps were dominated by PFASs (74%). Sigma PBDEs (polybrominated diphenyl ethers) contributed to 1-4% of the total POP load. Local sources are not contributing significantly to the contaminant burden in these species.
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