Showing 466-480 of 1398
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Comparative study of Per-and Polyfluoroalkyl substances (PFAS) removal from landfill leachate
Science
31 Aug 2023 | Chemosphere
Foam fractionation and anion exchange resin treatment were the most cost-effective methods for removing >90% of PFOA and PFOS, while nanofiltration was the only method practical for short-chain PFAS removal.
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First observations of a potential association between accumulation of per- and polyfluoroalkyl substances in the central nervous system and markers of Alzheimer's disease
Science
31 Aug 2023 | J Gerontol A Biol Sci Med Sci
PFAS accumulation in the central nervous system was potentially linked to clinical and biological markers of Alzheimer’s disease.
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3M's $10.3 billion PFAS settlement gets preliminary approval
News
30 Aug 2023 | Reuters
3M on Tuesday secured preliminary approval for a $10.3 billion deal resolving claims by U.S. public water providers that the company polluted drinking water with toxic chemicals, less than a day after a group of 22 U.S. states and territories dropped their objections to the deal.
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Novel Per- and Polyfluoroalkyl Substances Discovered in Cattle Exposed to AFFF-Impacted Groundwater
Science
30 Aug 2023 | Environ Sci Technol
The results suggest that targeting only the major PFAS analytes in bovine serum of AFFF-exposed mammals likely underestimates the toxicological risks associated with their exposure.
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Association between a Mixture of Per- and Polyfluoroalkyl Substances (PFAS) and Inflammatory Biomarkers in the Atlanta African American Maternal-Child Cohort
Science
30 Aug 2023 | Environ Sci Technol
Prenatal PFAS exposure is associated with an increase in multiple inflammatory biomarkers that may contribute to adverse pregnancy outcomes such as preeclampsia, premature labor, and fetal growth restriction.
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All About PFAS, the ‘Forever Chemicals’ That US and EU Are Targeting
News
24 Aug 2023 | The Washington Post
Meet PFAS, a class of chemicals that some scientists call the next DDT.
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‘Forever chemicals’ found in 76% of Pennsylvania streams sampled
News
24 Aug 2023 | The Philadephia Inquirer
Scientists with the USGS first set out in 2019 to sample 161 waterways as a way of finding potential sources of PFAS contamination from 33 different compounds of the “forever chemicals."
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Assessment of poly- and perfluoroalkyl substances (PFAS) in commercially available drinking straws using targeted and suspect screening approaches
Science
24 Aug 2023 | Food Addit Contam Part A Chem Anal Control Expo Risk Assess
PFAS were detected in all types of straws in the Belgian market except for stainless steel, with higher frequencies in glass and plant-based materials like paper and bamboo.
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US EPA orders toxicity tests on PFAS used in GenX
Policy
23 Aug 2023
The US Environmental Protection Agency wants more data on the hazards of a member of the chemical family known as PFAS.
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How Should We Interpret the New Water Quality Regulations for Per-and Polyfluoroalkyl Substances?
Science
23 Aug 2023 | ACS ES&T Water
Proposed PFAS regulations should be coherent to minimize exposure and risks and remediation approaches should be balanced to reduce overall exposure across the various sources of exposure.
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Chronic Exposure to a PFAS Mixture Resembling AFFF-Impacted Surface Water Decreases Body Size in Northern Leopard Frogs
Science
23 Aug 2023 | Environ Sci Technol
Exposure to a PFAS mixture resembling those in AFFF-contaminated waters inhibits growth in amphibians undergoing metamorphosis in outdoor aquatic environments.
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EPA’s new definition of PFAS could omit thousands of ‘forever chemicals’
Policy
18 Aug 2023
Agency plans a ‘case-by-case’ approach that allows for flexibility, but critics say ‘this is not a new definition – it is a lack of definition.'
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Stella residents sue 3M and Rhinelander paper mill for PFAS contamination of private wells
News
18 Aug 2023 | Wisconsin Public Radio
Residents have filed a class action lawsuit, claiming that waste spread on farm fields led to PFAS pollution of wells.
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‘Forever Chemicals’ Are Everywhere. What Are They Doing to Us?
News
18 Aug 2023 | The New York Times Magazine
PFAS lurk in so much of what we eat, drink and use. Scientists are only beginning to understand how they’re impacting our health — and what to do about them.
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PFAS and Phthalate/DINCH Exposure in Association with Age at Menarche in Teenagers of the HBM4EU Aligned Studies
Science
18 Aug 2023 | Toxics
Di(2-ethylhexyl) phthalate was linked to early onset of menstruation, whereas a limited to no such association was found with the three studied PFAS.