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Emerging per- and polyfluoroalkyl substances (PFAS) in human milk from Sweden and China
Stockholm University, Faculty of Science, Department of Environmental Science. Swedish Environmental Research Institute (IVL), Sweden.ORCID iD: 0000-0002-7299-9971
Stockholm University, Faculty of Science, Department of Environmental Science.ORCID iD: 0000-0003-3289-3897
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Number of Authors: 102020 (English)In: Environmental Science: Processes & Impacts, ISSN 2050-7887, E-ISSN 2050-7895, Vol. 22, no 10, p. 2023-2030Article in journal (Refereed) Published
Abstract [en]

Twenty per- and polyfluoroalkyl substances (PFAS) were determined in human milk from residents of three Chinese cities (Shanghai, Jiaxing, and Shaoxing; [n= 10 individuals per city]), sampled between 2010 and 2016. These data were compared to a combination of new and previously reported PFAS concentrations in human milk from Stockholm, Sweden, collected in 2016 (n= 10 individuals). Across the three Chinese cities, perfluorooctanoate (PFOA; sum isomers), 9-chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS; also known as 6:2 Cl-PFESA or by its trade name F53-B), and perfluorooctane sulfonate (PFOS; sum isomers) occurred at the highest concentrations among all PFAS (up to 411, 976, and 321 pg mL(-1), respectively), while in Stockholm, PFOA and PFOS were dominant (up to 89 and 72 pg mL(-1), respectively). 3H-Perfluoro-3-[(3-methoxy-propoxy)propanoic acid] (ADONA) was intermittently detected but at concentrations below the method quantification limit (i.e.<10 pg mL(-1)) in Chinese samples, and was non-detectable in Swedish milk. The extremely high concentrations of F53-B in Chinese milk suggest that human exposure assessments focused only on legacy substances may severely underestimate overall PFAS exposure in breastfeeding infants.

Place, publisher, year, edition, pages
2020. Vol. 22, no 10, p. 2023-2030
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Earth and Related Environmental Sciences
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URN: urn:nbn:se:su:diva-187637DOI: 10.1039/d0em00077aISI: 000580653600002PubMedID: 32940316OAI: oai:DiVA.org:su-187637DiVA, id: diva2:1516293
Available from: 2021-01-11 Created: 2021-01-11 Last updated: 2022-02-28Bibliographically approved

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Awad, RaedNamazkar, ShahlaBergman, ÅkeBenskin, Jonathan P.

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