Fluorine Mass Balance and Suspect Screening in Marine Mammals from the Northern Hemisphere
[Image: see text] There is increasing evidence that the ∼20 routinely monitored perfluoroalkyl and polyfluoroalkyl substances (PFASs) account for only a fraction of extractable organofluorine (EOF) occurring in the environment. To assess whether PFAS exposure is being underestimated in marine mammal...
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Online Access: | http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7309329/ http://www.ncbi.nlm.nih.gov/pubmed/32160740 https://doi.org/10.1021/acs.est.9b06773 |
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ftpubmed:oai:pubmedcentral.nih.gov:7309329 2023-05-15T16:29:38+02:00 Fluorine Mass Balance and Suspect Screening in Marine Mammals from the Northern Hemisphere Spaan, Kyra M. van Noordenburg, Carmen Plassmann, Merle M. Schultes, Lara Shaw, Susan Berger, Michelle Heide-Jørgensen, Mads Peter Rosing-Asvid, Aqqalu Granquist, Sandra M. Dietz, Rune Sonne, Christian Rigét, Frank Roos, Anna Benskin, Jonathan P. 2020-03-12 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7309329/ http://www.ncbi.nlm.nih.gov/pubmed/32160740 https://doi.org/10.1021/acs.est.9b06773 en eng American Chemical Society http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7309329/ http://www.ncbi.nlm.nih.gov/pubmed/32160740 http://dx.doi.org/10.1021/acs.est.9b06773 Copyright © 2020 American Chemical Society This is an open access article published under a Creative Commons Attribution (CC-BY) License (http://pubs.acs.org/page/policy/authorchoice_ccby_termsofuse.html) , which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited. CC-BY Environ Sci Technol Text 2020 ftpubmed https://doi.org/10.1021/acs.est.9b06773 2020-06-28T00:33:40Z [Image: see text] There is increasing evidence that the ∼20 routinely monitored perfluoroalkyl and polyfluoroalkyl substances (PFASs) account for only a fraction of extractable organofluorine (EOF) occurring in the environment. To assess whether PFAS exposure is being underestimated in marine mammals from the Northern Hemisphere, we performed a fluorine mass balance on liver tissues from 11 different species using a combination of targeted PFAS analysis, EOF and total fluorine determination, and suspect screening. Samples were obtained from the east coast United States (US), west and east coast of Greenland, Iceland, and Sweden from 2000 to 2017. Of the 36 target PFASs, perfluorooctane sulfonate (PFOS) dominated in all but one Icelandic and three US samples, where the 7:3 fluorotelomer carboxylic acid (7:3 FTCA) was prevalent. This is the first report of 7:3 FTCA in polar bears (∼1000 ng/g, ww) and cetaceans (<6–190 ng/g, ww). In 18 out of 25 samples, EOF was not significantly greater than fluorine concentrations derived from sum target PFASs. For the remaining 7 samples (mostly from the US east coast), 30–75% of the EOF was unidentified. Suspect screening revealed an additional 37 PFASs (not included in the targeted analysis) bringing the total to 63 detected PFASs from 12 different classes. Overall, these results highlight the importance of a multiplatform approach for accurately characterizing PFAS exposure in marine mammals. Text Greenland Iceland PubMed Central (PMC) Greenland Environmental Science & Technology 54 7 4046 4058 |
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ftpubmed |
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English |
description |
[Image: see text] There is increasing evidence that the ∼20 routinely monitored perfluoroalkyl and polyfluoroalkyl substances (PFASs) account for only a fraction of extractable organofluorine (EOF) occurring in the environment. To assess whether PFAS exposure is being underestimated in marine mammals from the Northern Hemisphere, we performed a fluorine mass balance on liver tissues from 11 different species using a combination of targeted PFAS analysis, EOF and total fluorine determination, and suspect screening. Samples were obtained from the east coast United States (US), west and east coast of Greenland, Iceland, and Sweden from 2000 to 2017. Of the 36 target PFASs, perfluorooctane sulfonate (PFOS) dominated in all but one Icelandic and three US samples, where the 7:3 fluorotelomer carboxylic acid (7:3 FTCA) was prevalent. This is the first report of 7:3 FTCA in polar bears (∼1000 ng/g, ww) and cetaceans (<6–190 ng/g, ww). In 18 out of 25 samples, EOF was not significantly greater than fluorine concentrations derived from sum target PFASs. For the remaining 7 samples (mostly from the US east coast), 30–75% of the EOF was unidentified. Suspect screening revealed an additional 37 PFASs (not included in the targeted analysis) bringing the total to 63 detected PFASs from 12 different classes. Overall, these results highlight the importance of a multiplatform approach for accurately characterizing PFAS exposure in marine mammals. |
format |
Text |
author |
Spaan, Kyra M. van Noordenburg, Carmen Plassmann, Merle M. Schultes, Lara Shaw, Susan Berger, Michelle Heide-Jørgensen, Mads Peter Rosing-Asvid, Aqqalu Granquist, Sandra M. Dietz, Rune Sonne, Christian Rigét, Frank Roos, Anna Benskin, Jonathan P. |
spellingShingle |
Spaan, Kyra M. van Noordenburg, Carmen Plassmann, Merle M. Schultes, Lara Shaw, Susan Berger, Michelle Heide-Jørgensen, Mads Peter Rosing-Asvid, Aqqalu Granquist, Sandra M. Dietz, Rune Sonne, Christian Rigét, Frank Roos, Anna Benskin, Jonathan P. Fluorine Mass Balance and Suspect Screening in Marine Mammals from the Northern Hemisphere |
author_facet |
Spaan, Kyra M. van Noordenburg, Carmen Plassmann, Merle M. Schultes, Lara Shaw, Susan Berger, Michelle Heide-Jørgensen, Mads Peter Rosing-Asvid, Aqqalu Granquist, Sandra M. Dietz, Rune Sonne, Christian Rigét, Frank Roos, Anna Benskin, Jonathan P. |
author_sort |
Spaan, Kyra M. |
title |
Fluorine Mass Balance and Suspect Screening in Marine Mammals from the Northern Hemisphere |
title_short |
Fluorine Mass Balance and Suspect Screening in Marine Mammals from the Northern Hemisphere |
title_full |
Fluorine Mass Balance and Suspect Screening in Marine Mammals from the Northern Hemisphere |
title_fullStr |
Fluorine Mass Balance and Suspect Screening in Marine Mammals from the Northern Hemisphere |
title_full_unstemmed |
Fluorine Mass Balance and Suspect Screening in Marine Mammals from the Northern Hemisphere |
title_sort |
fluorine mass balance and suspect screening in marine mammals from the northern hemisphere |
publisher |
American Chemical Society |
publishDate |
2020 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7309329/ http://www.ncbi.nlm.nih.gov/pubmed/32160740 https://doi.org/10.1021/acs.est.9b06773 |
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Greenland |
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Greenland |
genre |
Greenland Iceland |
genre_facet |
Greenland Iceland |
op_source |
Environ Sci Technol |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7309329/ http://www.ncbi.nlm.nih.gov/pubmed/32160740 http://dx.doi.org/10.1021/acs.est.9b06773 |
op_rights |
Copyright © 2020 American Chemical Society This is an open access article published under a Creative Commons Attribution (CC-BY) License (http://pubs.acs.org/page/policy/authorchoice_ccby_termsofuse.html) , which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited. |
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CC-BY |
op_doi |
https://doi.org/10.1021/acs.est.9b06773 |
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Environmental Science & Technology |
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54 |
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7 |
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4046 |
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4058 |
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