Showing 331-345 of 1183
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Influence of convective and stratiform precipitation types on per-and polyfluoroalkyl substance concentrations in rain
Science
16 May 2023 | Sci. Total Environ.
PFAS concentrations in precipitation appear to be controlled by the type and magnitude of precipitation events as well as the type of PFAS, whereas population density is a poor predictor of PFAS in precipitation.
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Centurial Persistence of Forever Chemicals at Military Fire Training Sites
Science
15 May 2023 | ES&T
This work highlights the importance of unregulated and overlooked precursors for total PFAS exposure near AFFF releases and their role in sustaining high concentrations of regulated PFAS–up to 2000 times more than regulatory limits even decades after AFFF use ceased.
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Sunrise of PFAS Replacements: A Perspective on Fluorine-Free Foams
Science
15 May 2023 | ACS Sustain. Chem. Eng.
This paper provides a critical analysis of the present state of the various fluorine-free AFFF options that have been developed to date.
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Per- and polyfluorinated alkyl substances (PFAS) in Pennsylvania surface waters: A statewide assessment, associated sources, and land-use relations
Science
15 May 2023 | Sci Total Environ
Electronics manufacturing & water pollution control facilities were associated with greater PFAS contamination in Pennsylvania.
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Societal cost of ‘forever chemicals’ about $17.5tn across global economy – report
News
12 May 2023 | The Guardian
The societal cost of using toxic PFAS or ‘forever chemicals’ across the global economy totals about $17.5tn annually, a new analysis of the use of the dangerous compounds has found.
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Outdoor brands phase out PFAS, ‘forever chemicals,’ ahead of state bans
News
12 May 2023 | EHN
The outdoor footwear company KEEN made a discovery about their shoes in 2014: they were rife with stain- and water-resistant chemicals known to harm human health called PFAS, also known as ‘forever chemicals.’
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Per-and Polyfluoroalkyl Substances (PFAS) Mixture during Pregnancy and Postpartum Weight Retention in the New Hampshire Birth Cohort Study (NHBCS)
Science
10 May 2023 | Toxics
PFAS exposure may be associated with decreased ability to lose weight after childbirth in mothers.
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A review of the occurrence, transformation, and removal technologies for the remediation of per- and polyfluoroalkyl substances (PFAS) from landfill leachate
Science
8 May 2023 | Chemosphere
This paper critically reviews various treatment techniques for PFAS removal in landfill leachates and provides guidance for promoting environmental protection and sustainable development of PFAS remediation in landfill leachate.
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Dietary and maternal sociodemographic determinants of perfluoroalkyl and polyfluoroalkyl substance levels in pregnant women
Science
6 May 2023 | Chemosphere
Fish, seafood, animal offal, and high-fat foods were significant sources of PFAS, and the authors suggest that exposure may be reduced by consuming more plant-based foods and potential interventions like drinking water treatment.
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What a pediatrician wants parents to know about PFAS, the ‘forever chemicals.’
News
3 May 2023 | Novant Health
PFAS are linked to problems with fetal development, thyroid disease, and issues with livers and kidneys.
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End-of-life circulation of PFAS in metal recycling streams: A sustainability-focused review
Science
1 May 2023 | Res. Cons. and Recycling
Many PFAS were detected in automobile shredder residue – the mixed material waste from vehicles at their end-of-life – with important implications for the circular economy and for PFAS contamination in landfills and wastewater.
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Occurrence and risk assessments of per-and polyfluoroalkyl substances in tea bags from India
Science
1 May 2023 | Food Control
PFOS, PFHxS, and PFuNA were abundantly present in tea bag materials and tea powder, with PFOS and PFHxS contributing to high levels of exposure.
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Association of Early Pregnancy Perfluoroalkyl and Polyfluoroalkyl Substance Exposure With Birth Outcomes
Science
1 May 2023 | JAMA Netw Open
Associations between blood PFOS and PFNA concentrations and lower birth weight, and between PFNA and preterm birth were noted only among mothers whose prenatal folic acid levels were low.
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Evidence of compost contamination with per- and polyfluoroalkyl substances (PFAS) from "compostable" food serviceware
Science
1 May 2023 | Biointerphases
Including compostable serviceware in compost likely contaminates the finished compost with PFAS – including PFOA – and threatens surrounding groundwater, surface waters, and crops.
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North Carolina residents urge UN to investigate toxic PFAS pollution
News
28 Apr 2023 | The Guardian
Chemical manufacturer Chemours accused of violating human rights by releasing ‘forever chemicals’ into Cape Fear River basin.