Showing 946-960 of 2287
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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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Communities of color disproportionately exposed to PFAS pollution in drinking water
News
15 May 2023 | Phys.org
People who live in communities with higher proportions of Black and Hispanic/Latino residents are more likely to be exposed to harmful levels of PFAS in their water supplies than people living in other communities.
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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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Perfluoroalkyl Substances (PFAS) Affect Inflammation in Lung Cells and Tissues
Science
10 May 2023 | Int. J. Mol. Sci.
PFOA and PFOS alone or in a mixture were found to cause decreased respiratory ability in human bronchial cells.
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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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Associations between Per-and Polyfluoroalkyl Substances Exposures and Blood Lipid Levels among Adults—A Meta-Analysis
Science
4 May 2023 | EHP
This meta-analysis concluded that PFOA and PFOS are significantly associated with increased cholesterol levels in human blood.
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Environmental Exposure to Emerging Alternatives of Per- and Polyfluoroalkyl Substances and Polycystic Ovarian Syndrome in Women Diagnosed with Infertility: A Mixture Analysis
Science
3 May 2023 | Environ Health Perspect
Environmental exposure to a PFAS mixture was associated with an increased incidence of abnormal ovarian health in infertile women, with 6:2 Cl-PFESA, HFPO-DA, PFOS, and PFDoA being the major contributors, especially in overweight women.
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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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Researchers Pin Down PFAS Prevalence in Firefighter Gear
News
1 May 2023 | NIST
Researchers at the National Institute of Standards and Technology have conducted an in-depth examination of a range of textiles used in turnout gear coats and pants, which are constructed in three layers.
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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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Is PFAS pollution a human rights violation? These activists say yes
News
27 Apr 2023 | Grist
Activists in North Carolina allege that DuPont has for decades fouled Cape Fear River. They want the UN Human Rights Commission to hold it accountable.