Showing 346-360 of 2205
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Combined screening and retroactive data mining for emerging perfluoroethers in wildlife and pets in the Cape Fear Region of North Carolina
Science
29 Jul 2024 | Chemosphere
Non-targeted analysis techniques uncovered novel fluorinated compounds, such as PFO6TeDA, PFO7HxDA, PFO8OcDA, and Nafion byproduct 6, in wildlife but not domestic animals in the Cape Fear River region, with PFO6TeDA being the most frequently detected, necessitating further studies to assess the impact of regrettable substitutes on wildlife and humans.
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Examining the Impact of Polyfluoroalkyl Substance Exposure on Erythrocyte Profiles and Its Related Nutrients: Insights from a Prospective Study on Young Taiwanese
Science
29 Jul 2024 | Environ. Pollut.
A decade-long study of 502 young Taiwanese individuals found that PFAS exposure is associated with changes in erythrograms, linking specific PFAS compounds to increased transferrin saturation and decreased vitamin B12 levels, with significant interactions involving iron status, vitamin B12, and folate.
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Bill mandating end to use of PFAS-containing firefighting foams becomes law in Alaska
Policy
26 Jul 2024
The new law, in effect without the governor’s signature, requires a switch to PFAS-free foams by Jan. 1 and sets up a system to help rural villages get rid of them.
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EPA’s Exclamation that PFAS Are Unsafe in Minute Concentrations Is Turning Out To Have Serious Ramifications for Many, Including EPA
News
26 Jul 2024 | The National Law Review
The lawsuit Maine farmers joined this week is conclusive evidence of the insufficiency of that EPA guidance. Legislation exempting “passive receivers” of PFAS like water utilities from liability under Federal environmental law would be more effective but whether, and when, Congress and the President might agree on such legislation is anything but certain, even if it were a good idea.
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Court dismisses case challenging PFAS health advisory
News
25 Jul 2024 | CoastalReview.org
The U.S. Court of Appeals this week dismissed a chemical company’s claim that the health advisory the Environmental Protection Agency issued in June 2022 for certain man-made chemicals found in drinking water was “unlawful and should be vacated.”
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PFAS widely added to US pesticides despite EPA denial, study finds
News
25 Jul 2024 | The Guardian
Research shows ‘forever chemicals’ increasingly found in products as the agency claims the chemicals aren’t being used.
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Determination of legacy and emerging per-and polyfluoroalkyl substances (PFAS) in indoor and outdoor air
Science
25 Jul 2024 | ACS ES&T Air
High levels of fluorotelomer alcohols (FTOHs) and other legacy & emerging PFAS were found in indoor and outdoor air, with significant temporal variations and distinct gas/particle partitioning, highlighting the need for better understanding and regulation of airborne PFAS.
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Prenatal Exposure of PFAS in Cohorts of Pregnant Women: Identifying the Critical Windows of Vulnerability and Health Implications
Science
25 Jul 2024 | Environ. Sci. Technol.
From 2018 to 2020, a prenatal PFAS exposure study in pregnant women and their newborns showed a decline in older PFAS but an increase in emerging PFAS and highlighted the third trimester as a critical window affecting birth weight and length.
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Toxic ‘forever chemicals’ found in pesticides used on food, in homes and on pets, study finds
News
24 Jul 2024 | CNN
However, a new study takes a closer look at yet another, little-studied avenue of possible exposure — the existence of PFAS in pesticides used in both agricultural and residential pest control, including pet flea treatments.
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Don’t let children play in sea foam because of PFAS
News
24 Jul 2024 | Dutch News
Government officials have sharpened their warnings about not letting children play in sea foam while at the beach because it could contain high concentrations of toxic PFAS, broadcaster NOS said on Wednesday.
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Forever Pesticides: A Growing Source of PFAS Contamination in the Environment.
Science
24 Jul 2024 | Environ Health Perspect
Analysis of PFAS in pesticide products found that the biggest contributor to PFAS in pesticides was active ingredients and their degradation products, as well as PFAS leaching from fluorinated containers into pesticides.
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[Perspective] The Far Reach of PFAS-Inert Ingredients and Adjuvants in Pesticide Formulations
Science
24 Jul 2024 | Environ Health Perspect
New attention to PFAS presence in pesticide formulations represents an opportunity for the EPA to improve the scientific validity of pesticide risk assessment, especially considering chemical mixtures.
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Interaction and coexistence characteristics of dissolved organic matter and toxic metals with per- and polyfluoroalkyl substances in landfill leachate
Science
24 Jul 2024 | Environ Res
Landfill leachate containing PFAS poses significant environmental risks, with high concentrations of short-chain PFAS like PFBA and PFBS strongly interacting with dissolved organic matter and toxic metals, particularly manganese, highlighting the need for better management strategies.
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Interaction of microplastics with perfluoroalkyl and polyfluoroalkyl substances in water: A review of the fate, mechanisms and toxicity
Science
23 Jul 2024 | Sci Total Environ
Microplastics and PFAS, both prevalent in aquatic environments, interact to enhance their combined toxicity, with this review examining their interaction mechanisms, influencing factors, and impacts on environmental distribution, providing insights for understanding their fate and toxicity.
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Scientists raise concerns after study suggests dangerous chemicals are lurking in popular foods: 'They're everywhere'
News
22 Jul 2024 | The Cool Down
"The results definitely point toward the need for environmental stewardship, and keeping PFAS out of the environment and food chain," Dartmouth researcher and lead author Megan Romano told the publication. "Now we're in a situation where they're everywhere and are going to stick around even if we do aggressive remediation."