Showing 946-960 of 2126
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[Blog] Updated DOD standards: Critical first step toward firefighting foam made without ‘forever chemicals’
Policy
12 Jan 2023
Today the Department of Defense quietly released new requirements for the firefighting foam it uses to put out jet fuel fires.
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Prenatal exposure to per- and polyfluoroalkyl substances and childhood autism-related outcomes
Science
12 Jan 2023 | Epidemiology
Mothers’ prenatal blood concentrations of PFNA may be associated with modest increases in their child’s autism-related traits.
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PFAS Biotransformation Pathways: A Species Comparison Study
Science
12 Jan 2023 | Toxics
A metabolic pathway map was made to aid researchers in determining possible PFAS breakdown products in fish when no metabolic data is present.
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A Proposed approach to defining per- and polyfluoroalkyl substances (PFAS) based on molecular structure and formula
Science
11 Jan 2023 | Integr Environ Assess Manag
A definition of PFAS was proposed based on four substructures and any structures where the molecular formula is at least 30% fluorine by atom count.
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West Virginia lawmakers push to regulate ‘forever’ PFAS chemicals
News
10 Jan 2023 | Public News Service
West Virginia lawmakers are expected to introduce legislation in 2023 aimed at regulating PFAS chemicals in the state’s drinking-water systems.
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Occurrence and implications of per and polyfluoroalkyl substances in animal feeds used in laboratory toxicity testing
Science
10 Jan 2023 | Sci Total Environ
PFAS contamination in animal feed was found to be pervasive, which is significant because unintended PFAS exposure in control animals from feed can significantly bias toxicity testing.
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In utero exposure to perfluoroalkyl substances and early childhood BMI trajectories: A mediation analysis with neonatal metabolic profiles
Science
9 Jan 2023 | Sci Total Environ
Prenatal PFAS exposure was associated with persistently increased BMI in childhood.
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Rapid Determination of Selected PFAS in Textiles Entering the Waste Stream
Science
6 Jan 2023 | Toxics
A rapid extraction and clean-up method was developed for the determination of 21 PFAS in various polymers used in soft furnishings and upholstery.
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Citing poor PFAS cleanup effort, EGLE calls on DNR to reject Camp Grayling expansion
News
5 Jan 2023 | WoodTV
A new letter clarifies why Michigan’s Department of Environment, Great Lakes and Energy is urging the state’s Department of Natural Resources to reject a National Guard proposal to expand Camp Grayling.
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Per- and polyfluoroalkyl substances (PFAS) presence in food: Comparison among fresh, frozen and ready-to-eat vegetables
Science
5 Jan 2023 | Food Chem
Italian ready-to-eat vegetables contained higher PFAS levels than fresh/frozen products, and organic vegetables had lower PFAS contents than their traditional counterparts.
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Associations between per and polyfluoroalkyl ether sulfonic acids and vitamin D biomarker levels in Chinese newborns
Science
5 Jan 2023 | Sci Total Environ
Exposure to legacy PFAS, including PFTrDA, PFHxS, and PFOS, might disturb vitamin D status in newborns.
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PFAS Bans, Restrictions Go Into Effect in States in 2023
Policy
4 Jan 2023
Laws and regulations restricting “forever chemicals” in more than a half dozen states are entering effect in 2023, including the start of a timeline for a first-in-the-nation ban on PFAS in all products in Maine.
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PFAS Contamination and USDA's Lack of Engagement
Policy
4 Jan 2023
USDA appears to be ignoring the risks of farm contamination by "forever chemicals" through sewage sludge applied as fertilizer.
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Solvay and Orbia will make the battery binder PVDF in the US
News
4 Jan 2023 | C&EN
As the demand for electric vehicles continues to rise, the chemical companies Solvay and Orbia are forming a joint venture to build an $850 million facility in the southeastern US that will make PVDF, a polymer used as a binder and a coating for separators in lithium-ion batteries.
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Contact to perfluoroalkyl substances and thyroid health effects: A meta-analysis directing on pregnancy
Science
4 Jan 2023 | Chemosphere
A systematic review found that PFOS, PFOA, and PFDA exposures were associated with thyroid disruption in pregnant women, who were more sensitive to PFAS exposure in the first six months of pregnancy.