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Fate of perfluoroalkyl substances within a small stream food web affected by sewage effluent
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Kemiska institutionen. University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Vodnany, Czech Republic.
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2018 (engelsk)Inngår i: Water Research, ISSN 0043-1354, E-ISSN 1879-2448, Vol. 134, s. 226-233Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The fate of fourteen target perfluoroalkyl substances (PFASs) are described within a small stream affected by a sewage treatment plant (STP) effluent. Concentrations of target PFASs in samples of water, benthic macroinvertebrates and brown trout (Salmo trutta) are presented. Two hundred brown trout individuals originating from clean sites within the same stream were tagged and stocked into an experimental site affected by the STP's effluent. As a passive sampling approach, polar organic chemical integrative samplers (POCIS) were deployed in the water to reveal the water-macroinvertebrates-fish biotransformation processes of PFASs. Bioconcentration/bioaccumulation of target compounds was monitored one, three, and six months after stocking. Twelve of the fourteen target PFASs were found in concentration above the LOQ in at least one of the studied matrices. The compound pattern varied significantly between both the studied species and water samples. Concerning the accumulation of PFASs in fish, the highest concentrations were found in the liver of individuals sampled after three months of exposure. These concentrations rapidly decreased after six months although the water concentrations were slightly increasing during experiment.

sted, utgiver, år, opplag, sider
Elsevier, 2018. Vol. 134, s. 226-233
Emneord [en]
PFAS, PFOS, Macroinvertebrates, Fish, Trophic transfer, POCIS
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-146416DOI: 10.1016/j.watres.2018.01.066ISI: 000427334200022PubMedID: 29427964OAI: oai:DiVA.org:umu-146416DiVA, id: diva2:1204685
Tilgjengelig fra: 2018-05-08 Laget: 2018-05-08 Sist oppdatert: 2018-06-09bibliografisk kontrollert

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