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Ultra-Short-Chain Perfluoroalkyl Acids Including Trifluoromethane Sulfonic Acid in Water Connected to Known and Suspected Point Sources in Sweden
Örebro University, School of Science and Technology. (Man-Technology-Environment Research Centre (MTM))ORCID iD: 0000-0002-8679-6841
Örebro University, School of Science and Technology. (Man-Technology-Environment Research Centre (MTM))ORCID iD: 0000-0001-6800-5658
Örebro University, School of Science and Technology. (Man-Technology-Environment Research Centre (MTM))
Örebro University, School of Science and Technology. (Man-Technology-Environment Research Centre (MTM))ORCID iD: 0000-0002-6330-789X
2019 (English)In: Environmental Science and Technology, ISSN 0013-936X, E-ISSN 1520-5851, Vol. 53, no 19, p. 11093-11101Article in journal (Refereed) Published
Abstract [en]

Data presenting the environmental occurrence of ultra-short-chain perfluoroalkyl acids (PFAAs) are scarce and little is known about the potential sources. In this study, ultra-short-chain PFAAs were analyzed in water connected to potential point sources using supercritical fluid chromatography coupled with tandem mass spectrometry. Samples (n = 34) were collected in connection with firefighting training sites, landfills, and a hazardous waste management facility. Ultra-short-chain PFAAs were detected in all samples at concentrations up to 84 000 ng/L (∑C1-C3), representing up to 69% of the concentration of 29 per- and polyfluoroalkyl substances (PFASs). Trifluoroacetic acid (TFA), perfluoropropanoic acid (PFPrA), trifluoromethane sulfonic acid (TFMS), perfluoroethane sulfonic acid (PFEtS), and perfluoropropane sulfonic acid (PFPrS) were detected at concentrations up to 14 000, 53 000, 940, 1700, and 15 000 ng/L, respectively. Principal component analysis suggests that TFA is associated with landfills. PFPrS was associated with samples collected close to the source at all types of sites included in this study. These findings reveal the presence of high concentrations of ultra-short-chain PFAAs released into the environment from various sources and emphasize the large fraction of ultra-short-chain PFAAs to the total concentration of PFASs in water.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2019. Vol. 53, no 19, p. 11093-11101
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:oru:diva-76642DOI: 10.1021/acs.est.9b02211ISI: 000488993500006PubMedID: 31496234Scopus ID: 2-s2.0-85072791157OAI: oai:DiVA.org:oru-76642DiVA, id: diva2:1353742
Funder
Swedish Research Council Formas, 2016-01284Swedish Environmental Protection Agency, 2219-16-030 2219-17-012Knowledge Foundation, 20160019Available from: 2019-09-24 Created: 2019-09-24 Last updated: 2019-11-15Bibliographically approved

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Björnsdotter, MariaYeung, Leo W. Y.Kärrman, AnnaEricson Jogsten, Ingrid

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