Showing 586-600 of 4619
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What is ‘Teflon flu’? It’s linked to a coating on some nonstick pans.
News
16 Jul 2024 | The Washington Post
Confirmed cases of the illness remain rare, but scientists said some pans can burn off potentially harmful fumes if heated to very high temperatures.
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EPA Releases New Science-Based Recommendations to Help More States, Tribes, and Territories Reduce Exposure to PFAS in Fish
Policy
15 Jul 2024
“It’s important for EPA to continue advancing the science on PFAS as part of our comprehensive effort to protect the public from these harmful substances,” said EPA Acting Assistant Administrator for Water Bruno Pigott. “By considering the latest science in their local advisories and testing for PFAS in fish at a local level, states and Tribes can protect subsistence, recreational, and sport fishers.”
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Effect of Short-term Sample Storage and Preparatory Conditions on Losses of 18 Per-and Polyfluoroalkyl Substances (PFAS) to Container Materials
Science
15 Jul 2024 | Chemosphere
Glass and PET labware containers had the lowest losses of PFAS to adsorption, highlighting the need for careful selection of container materials and storage conditions when analyzing PFAS, especially for long-chain compounds.
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The Fate of Fluorine Post Per-and Polyfluoroalkyl Substances Destruction during the Thermal Treatment of Biosolids: A Thermodynamic Study
Science
15 Jul 2024 | Energies
PFAS found in biosolids can be partially destroyed and converted to smaller compounds during thermal treatment, with factors like feedstock composition and the addition of minerals significantly affecting the emission and capture of fluorine compounds, offering insights for optimizing thermal treatment processes.
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Accumulation of Per-and Polyfluoroalkyl Substances (PFAS) in Coastal Sharks from Contrasting Marine Environments: The New York Bight and The Bahamas
Science
12 Jul 2024 | ES&T
Sharks from the New York Bight have significantly higher and more diverse concentrations of PFAS compared to those from the Bahamas, highlighting the impact of human population density on PFAS accumulation in marine predators.
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A Multi-Factor Analysis Linking Environmental Stressors with Presence of Per-and Polyfluoroalkyl Substances (PFAS) in a Coastal Lagoon
Science
12 Jul 2024 | ACS ES&T Water
Machine learning analysis of surface water samples from the Indian River Lagoon identified salinity as a key factor associated with the presence of PFAS, particularly long-chain carboxylic compounds, suggesting the need for targeted monitoring and interventions based on environmental factors.
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EPA Recommends States Monitor PFAS in Locally Caught Edible Fish
News
11 Jul 2024 | Bloomberg Law
The EPA included PFAS for the first time alongside cyanotoxins, arsenic, lead, pesticides and other pollutants in its national guidance and recommendations for which contaminants states should monitor in their fish and shellfish advisory programs.
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‘Forever Chemicals’ Ban Could Impact Millions of Americans
News
10 Jul 2024 | Newsweek
The proposed Pennsylvania House Bill 2238, which has not yet been passed, hopes to outlaw the use of PFAS chemicals in cleaning products, carpets, cookware, cosmetics, dental floss, food packaging, infant and children's products, menstrual products, and textiles, among others, by 2027.
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‘Forever chemical’ polluters land hefty contracts to meet electric vehicle battery demand
News
10 Jul 2024 | The Examination
Companies making battery chemicals stand accused of misleading regulators, hiding information and contaminating communities while making similar, related products.
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Combining Advanced Analytical Methodologies to Uncover Suspect PFAS and Fluorinated Pharmaceutical Contributions to Extractable Organic Fluorine in Human Serum (Tromsø Study).
Science
10 Jul 2024 | Environ. Sci. Technol.
Traditional PFAS monitoring cannot fully account for extractable organic fluorine (EOF) levels in human blood, but recent screening of human serum in Norway revealed that fluorinated pharmaceuticals significantly contribute to EOF, closing the mass balance for some but not all samples.
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Occurrence and potential ecological risks of PFAS in Pampulha Lake, Brazil, a UNESCO world heritage site
Science
10 Jul 2024 | Sci Total Environ
PFAS have been found in high concentrations in Pampulha Lake, Brazil, posing ecological risks and potential health concerns due to bioaccumulation in fish, highlighting the need for more research in urban watersheds of low and middle-income countries.
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Firefighting Foam: DOD is Working to Address Challenges to Transitioning to PFAS-Free Alternatives
Policy
8 Jul 2024
The Defense Department is mandated to stop using PFAS-containing firefighting foam, but faces challenges like the lack of a suitable replacement, an estimated transition cost of over $2.1 billion, and potential delays requiring waivers until 2026.
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Lithium-ion battery components are at the nexus of sustainable energy and environmental release of per- and polyfluoroalkyl substances
Science
8 Jul 2024 | Nature
A cradle to grave evaluation of PFAS in lithium ion batteries found contamination near manufacturing sites from PFAS with similar ecotoxicity and treatability to PFOA, a highly toxic legacy PFAS. This work underscores the importance of lifecycle impacts when evaluating low-carbon energy technologies.
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Lithium ion batteries a growing source of PFAS pollution, study finds
News
8 Jul 2024 | Phys.org
Texas Tech University's Jennifer Guelfo was part of a research team that found the use of a novel sub-class of PFAS in lithium ion batteries is a growing source of pollution in air and water.
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Impacts of rapidly urbanizing watershed comprehensive management on per-and polyfluoroalkyl substances pollution: based on PFAS “diversity” assessment
Science
8 Jul 2024 | Water Research
In rapidly urbanizing Shenzhen, China, watershed comprehensive management failed to reduce overall PFAS pollution and diversity, often exacerbating contamination through river sediment dredging, though it improved point source pollution and revealed new high-risk PFAS, highlighting the need for better regulatory measures.