Cited by 142Per- and polyfluoroalkyl substances researchToxic Organic Pollutants ImpactPesticide and Herbicide Environmental Studies

The occurrence, distribution, and risks of PFAS at AFFF-impacted sites in Finland

Open access
Reinikainen, Jussi, Perkola, Noora, Äystö, Lauri, Sorvari, Jaana·2022·Science of The Total Environment

Abstract

Per- and polyfluoroalkyl substances (PFAS) comprise a wide group of persistent chemicals, whose ubiquitous occurrence in the environment, particularly due to their extensive use for fire suppression in aqueous film forming foams (AFFFs), has raised global attention. We evaluated the impacts of PFAS at three firefighting training sites and one industrial site in Finland, to highlight key elements to be considered in the retrospective risk assessment of these chemicals. The site assessments covered the occurrence and distribution of 23 PFAS in multiple environmental matrices, i.e., soil, sediment, surface water, groundwater, and biota, and the subsequent risks to human health and the environment owing to the migration of and exposure to the selected compounds. Our study showed that the extensive use of nowadays restricted or substituted PFAS, particularly PFOS, are still often the predominant compounds detected at AFFF-impacted sites and will continue to cause long-term risks to the environment. The most significant environmental or health risks at these sites are likely to concern aquatic ecosystems, fish consumption or groundwater usage due to the off-site migration of PFAS. Here, even a single fire extinguishing event can be a considerable contributor. We also illustrate that conventional procedures based on simple mass-balance, and exposure models, with a focus on PFOS and other site-specifically relevant PFAS may provide sufficient means to assess the risks. Moreover, we address that despite the exceedance of the very stringent regulatory threshold values issued recently for PFAS, the actual site-specific risks to human health and the environment may remain reasonably low.

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Crossref · 10.1016/j.scitotenv.2022.154237

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Authors
Reinikainen, J., Perkola, N., Äystö, L., & Sorvari, J.
Affiliations
Finnish Environment Institute (FI)
Corresponding author
Reinikainen, Jussi
Venue
Science of The Total Environment
Publisher
Elsevier BV
Published
2022-07
Volume
829
Pages
154237
ISSN
0048-9697 (ISSN-L)
OpenAlex
W4221102463
Cited by
142
References
45
Citations by year
2026: 45 · 2025: 47 · 2024: 36 · 2023: 12 · 2022: 2
FWCI
8.59
Type
journal article
Language
en
Open access
Locations
  • The Science of The Total Environment (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Työväentutkimus Vuosikirja (submittedVersion, cc-by)
Funders
Ympäristöministeriö
Topics
  • Physical Sciences › Environmental Science › Environmental Chemistry › Per- and polyfluoroalkyl substances research
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
  • Physical Sciences › Environmental Science › Pollution › Pesticide and Herbicide Environmental Studies
Keywords
per- and polyfluoroalkyl substances, PFAS, aqueous film-forming foam, PFOS, environmental contamination, groundwater contamination, aquatic ecosystems, fish consumption risk, exposure assessment, mass balance, Finland
MeSH terms
Animals, Finland, Fluorocarbons, Retrospective Studies, Water, Water Pollutants, Chemical, Ecosystem

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