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dc.contributor.authorHerzke, Dorte
dc.contributor.authorNikiforov, Vladimir
dc.contributor.authorYeung, Leo WY.
dc.contributor.authorMoe, Børge
dc.contributor.authorRoutti, Heli Anna Irmeli
dc.contributor.authorNygård, Torgeir
dc.contributor.authorGabrielsen, Geir W.
dc.contributor.authorHanssen, Linda
dc.date.accessioned2023-01-04T09:24:50Z
dc.date.available2023-01-04T09:24:50Z
dc.date.issued2022-11-17
dc.description.abstractWith the current possible presence of thousands of PFAS compounds in industrial emissions, there is an increasing need to assess the impacts of PFAS regulation of conventional PFAS on one hand and the exposure to emerging and yet unknown PFAS on the other. Today’s analytical methodologies using targeted approaches are not sufficient to determine the complete suite of PFAS present. To evaluate the presence of unknown PFAS, we investigated in this study the occurrence of an extended range of target PFAS in various species from the marine and terrestrial Norwegian environment, in relation to the extractable organic fluorine (EOF), which yields the total amount of organic fluorine. The results showed a varying presence of extractable fluorinated organics, with glaucous gull eggs, otter liver and polar bear plasma showing the highest EOF and a high abundance of PFAS as well. The targeted PFAS measurements explained 1% of the organic fluorine for moose liver as the lowest and 94% for otter liver as the highest. PFCAs like trifluoro acetic acid (TFA, reported semi-quantitatively), played a major role in explaining the organic fluorine present. Emerging PFAS as the perfluoroethylcyclohexane sulfonate (PFECHS), was found in polar bear plasma in quantifiable amounts for the first time, confirming earlier detection in arctic species far removed from emission sources. To enable a complete organic fluorine mass balance in wildlife, new approaches are needed, to uncover the presence of new emerging PFAS as cyclic- or ether PFAS together with chlorinated PFAS as well as fluorinated organic pesticides and pharmaceuticals.en_US
dc.identifier.citationHerzke D, Nikiforov V, Yeung LW, Moe B, Routti HAI, Nygård T, Gabrielsen GW, Hanssen L. Targeted PFAS analyses and Extractable Organofluorine – Enhancing our Understanding of the presence of unknown PFAS in Norwegian wildlife. Environment International. 2022en_US
dc.identifier.cristinIDFRIDAID 2080879
dc.identifier.doi10.1016/j.envint.2022.107640
dc.identifier.issn0160-4120
dc.identifier.issn1873-6750
dc.identifier.urihttps://hdl.handle.net/10037/28010
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.relation.journalEnvironment International
dc.relation.projectIDMiljødirektoratet: *en_US
dc.relation.projectIDNILU - Norsk institutt for luftforskning: 120060en_US
dc.relation.projectIDFramsenteret: PERFORCE-Northen_US
dc.relation.projectIDNILU - Norsk institutt for luftforskning: 117031en_US
dc.rights.accessRightsopenAccessen_US
dc.rights.holderCopyright 2022 The Author(s)en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0en_US
dc.rightsAttribution 4.0 International (CC BY 4.0)en_US
dc.titleTargeted PFAS analyses and Extractable Organofluorine – Enhancing our Understanding of the presence of unknown PFAS in Norwegian wildlifeen_US
dc.type.versionpublishedVersionen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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Attribution 4.0 International (CC BY 4.0)
Except where otherwise noted, this item's license is described as Attribution 4.0 International (CC BY 4.0)