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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Authors

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

Year of publication 2016
Type Article in Periodical
Magazine / Source MARINE POLLUTION BULLETIN
MU Faculty or unit

Faculty of Science

Citation
Web http://www.sciencedirect.com/science/article/pii/S0025326X16301096
Doi http://dx.doi.org/10.1016/j.marpolbul.2016.02.053
Field Environment influence on health
Keywords Fish; PFOS; PFCA; PBDE; PCB; Arctic
Description 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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