Showing 256-270 of 4346
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Preferential Partitioning of Per-and Polyfluoroalkyl Substances in Freshwater Ice
Science
13 Aug 2024 | Environ. Sci. Technol.
PFAS are typically excluded from ice as freshwater lakes freeze, but some PFAS and dissolved organic carbon are preferentially concentrated in the ice, affecting their distribution and potential release into the environment when the ice melts.
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US air force avoids PFAS water cleanup, citing supreme court’s Chevron ruling
Policy
12 Aug 2024
EPA says Tucson’s drinking water is contaminated but the Air Force claims the agency lacks authority to order cleanup.
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US landfills are major source of toxic PFAS pollution, study finds
News
12 Aug 2024 | The Guardian
New research shows toxic ‘forever chemicals’ gas may escape landfills and threaten the environment.
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Sampling of per-and polyfluoroalkyl substances in drainage water from a waste management facility
Science
12 Aug 2024 | Chemosphere
Drainage water at a Swedish waste management facility contained various PFAS, including short-chain perfluoroalkyl sulfonic acids (C4 and C5) and perfluoroalkyl carboxylic acids (C4 to C6).
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Drinking water quality parameters in Africa and the United States: Implications for public health
Science
12 Aug 2024 | Eng. Sci. Technol.
This study highlights significant disparities between water quality in Africa and the United States, with Africa facing high levels of microbiological and chemical contaminants due to inadequate infrastructure, while the U.S. contends with challenges like PFAS contamination and lead from aging pipes despite advanced treatment technologies, emphasizing the need for targeted interventions and policy improvements in both regions.
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Dioxins vs. PFAS: Science and Policy Challenges
Science
12 Aug 2024 | Environ Health Perspect
Dioxin-like chemicals, once a major environmental concern, have been largely controlled through regulations, but attention has now shifted to PFAS, a group of "forever chemicals" that pose a serious and urgent health threat, with ongoing debates about their regulation.
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A new law will ban added PFAS in certain consumer goods, starting in 2027
News
9 Aug 2024 | New Hampshire Public Radio
Gov. Chris Sununu signed a new law last Friday that will ban the sale of added PFAS in some consumer products starting in 2027, create a new standard to hold polluters accountable, and ensure that funds received by the state from PFAS litigation will be used to provide clean water for people affected by PFAS contamination.
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It’s too soon to stop studying the potential effects of PFAS on human health
Science
9 Aug 2024 | Nature
Despite positive signs regarding the decreasing presence of specific PFAS in the blood of sampled humans, we do not know enough about this broad class of substances to justify stopping research on their toxicity.
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Walz oversaw a PFAS crackdown. What would that mean for a Harris admin?
News
9 Aug 2024 | E&E News
Advocates hope Minnesota’s ban on “forever chemicals” could bring a new focus and drive for regulations if the Democratic ticket prevails.
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State provides recommendations to Sleepy Bear owner for PFAS violation fix
News
8 Aug 2024 | Steamboat Pilot & Today
The owner of Sleepy Bear Mobile Home Park, located on the west side of Steamboat Springs, is seeking a new water system operator as well as solutions to address the elevated levels of PFAS, or “forever chemicals,” reported in April resulting in a federal water quality violation.
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PFAS found near Edmonds school sparks concerns about wells
News
7 Aug 2024 | The Everett Herald
Madrona K-8 School’s stormwater system is designed to filter pollutants. But locals still worry chemicals will seep into an aquifer.
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Per- and polyfluoroalkyl substances exposure is associated with polycystic ovary syndrome risk among women attending a fertility clinic
Science
6 Aug 2024 | Sci Total Environ
Exposure to certain PFAS, particularly PFOS and PFHxS, has been linked to an increased risk of polycystic ovary syndrome among women seeking fertility treatment, even at lower exposure levels, highlighting the reproductive health risks associated with PFAS.
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Assessment of per- and poly-fluoroalkyl substances and physiological biomarkers in aquarium-based bottlenose dolphins and killer whales
Science
6 Aug 2024 | Chemosphere
PFAS, especially PFOS and PFNA, were found in the serum of zoo-based bottlenose dolphins and killer whales, and the study revealed significant correlations between PFAS exposure and physiological effects, such as increased reactive oxygen species, suggesting potential health risks that could inform future conservation and regulatory decisions.
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Research reveals high levels of PFAS contamination in food supply chains
News
5 Aug 2024 | Food Navigator Europe
Consumption of everyday foods and drinks like eggs, rice and coffee could lead to high levels of potentially hazardous PFAS chemicals in humans, the latest research has found.
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The long-chain polyfluorinated alkyl substance perfluorohexane sulfonate (PFHxS) promotes bone marrow adipogenesis
Science
5 Aug 2024 | Toxicol Appl Pharmacol
PFAS, particularly PFHxS, can accumulate in bones and promote the formation of bone marrow fat, potentially increasing the risk of conditions like osteoporosis and tumor progression. This study highlights the need for further research on the health impacts of PFHxS exposure, especially in combination with a high-fat diet.