Fluorinated Compounds in U.S. Fast Food Packaging
Open accessAbstract
Per- and polyfluoroalkyl substances (PFASs) are highly persistent synthetic chemicals, some of which have been associated with cancer, developmental toxicity, immunotoxicity, and other health effects. PFASs in grease-resistant food packaging can leach into food and increase dietary exposure. We collected ∼400 samples of food contact papers, paperboard containers, and beverage containers from fast food restaurants throughout the United States and measured total fluorine using particle-induced γ-ray emission (PIGE) spectroscopy. PIGE can rapidly and inexpensively measure total fluorine in solid-phase samples. We found that 46% of food contact papers and 20% of paperboard samples contained detectable fluorine (>16 nmol/cm2). Liquid chromatography/high-resolution mass spectrometry analysis of a subset of 20 samples found perfluorocarboxylates, perfluorosulfonates, and other known PFASs and/or unidentified polyfluorinated compounds (based on nontargeted analysis). The total peak area for PFASs was higher in 70% of samples (10 of 14) with a total fluorine level of >200 nmol/cm2 compared to six samples with a total fluorine level of <16 nmol/cm2. Samples with high total fluorine levels but low levels of measured PFASs may contain volatile PFASs, PFAS polymers, newer replacement PFASs, or other fluorinated compounds. The prevalence of fluorinated chemicals in fast food packaging demonstrates their potentially significant contribution to dietary PFAS exposure and environmental contamination during production and disposal.
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The homologue pattern of PFASs in cosmetics appears to follow the same trend as treated textiles and papers, where recent studies typically report the highest concentrations and detection frequency for C6 compounds.
“Thus, the homologue pattern of PFASs in cosmetics appear to follow the same trend as treated textiles and papers where recent studies typically report the highest concentrations and detection frequency for C6 compounds.”
Early applications of CIC and PIGE in firefighting foams, biota and textiles have revealed that only a small fraction of the organic fluorine content can be accounted for by known PFASs.
“Early applications of CIC and PIGE in reghting foams, biota and textiles have revealed that only a small fraction of the organic uorine content can be accounted for by known PFASs.31,33,37”
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- Authors
- Schaider, L. A., Balan, S. A., Blum, A., Andrews, D. Q., Strynar, M. J., Dickinson, M. E., Lunderberg, D. M., Lang, J. R., & Peaslee, G. F.
- Affiliations
- Silent Spring Institute (US)
- California Department of Toxic Substances Control , , ,
- University of California, Berkeley (US)
- Environmental Working Group , ,
- Environmental Protection Agency (US)
- Hope College (US)
- Oak Ridge Institute for Science and Education (US)
- University of Notre Dame (US)
- Corresponding author
- Schaider, Laurel A.
- ORCID
- Venue
- Environmental Science & Technology Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-02-01
- Volume
- 4
- Issue
- 3
- Pages
- 105-111
- ISSN
- 2328-8930 (ISSN-L)
- PMC
- PMC6104644
- OpenAlex
- W2585227901
- Semantic Scholar
- 723d4c04c5ebd4b8c2461029e75ff29d13a24775
- Cited by
- 620
- References
- 10
- Citations by year
- 2026: 70 · 2025: 80 · 2024: 85 · 2023: 91 · 2022: 76 · 2021: 75 · 2020: 64 · 2019: 30 · 2018: 29 · 2017: 16
- FWCI
- 22.34
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Environmental Science & Technology Letters (publishedVersion, other-oa)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Science Foundation (RUI-1306074)
- Bellwether Foundation (NA)
- Topics
- Physical Sciences › Environmental Science › Environmental Chemistry › Per- and polyfluoroalkyl substances research
- Physical Sciences › Materials Science › Polymers and Plastics › Synthesis and properties of polymers
- Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmaceutical Science › Fluorine in Organic Chemistry
- Keywords
- per- and polyfluoroalkyl substances, PFAS, fast food packaging, food contact materials, dietary exposure, perfluorocarboxylates, beverage containers, non-targeted analysis, environmental contamination
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