Showing 991-1005 of 2684
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Increasing Accumulation of Perfluorocarboxylate Contaminants Revealed in an Antarctic Firn Core (1958–2017)
Science
26 Jul 2022 | ES&T
PFCA and PFBA accumulation in snow increased, and although chemical fluxes of PFOA and PFNA peaked in 2009–2013, there is little evidence of a decline in PFAAs despite supposed recent global curtailments in their production.
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Extensive wildlife testing for PFAS could result in more ‘do not eat’ advisories
News
25 Jul 2022 | Bangor Daily News
Nearly eight months after the Maine Department of Inland Fisheries and Wildlife issued a ‘do not eat’ advisory for deer harvested in Fairfield because of the presence of PFAS, the department will return to the area.
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Three Lawsuits Aim to Shape EPA’s Use of Chemical Test Orders
Policy
22 Jul 2022
Rulings in three lawsuits that challenge the EPA’s use of its burgeoning authority to order chemical manufacturers to generate information on their products are poised to offer insights into the agency’s implementation of power that it’s only begun to use the last few years, attorneys say.
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Adsorption of per-and polyfluoroalkyl substances (PFAS) to containers
Science
21 Jul 2022 | J. Hazard. Mater.
Containers used to hold PFAS mixtures adsorbed the chemicals at different rates based on PFAS chemistry, container hydrophobicity, temperature, and container manufacturer, with the general trend of PFAS adsorption as polypropylene > HDPE > PET > glass > polystyrene.
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Wisconsin sues ‘forever chemicals’ manufacturers for ‘widespread contamination’
News
20 Jul 2022 | The Hill
Wisconsin has filed a lawsuit against 18 companies over the manufacturing and marketing of toxic “forever chemicals,” alleging that these firms engaged in the “widespread contamination” of the state’s “property and natural resources.”
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Common questions about PFAS, answered
News
20 Jul 2022 | The Hill
Here, we lay out common questions related to PFAS, and their answers, and explain the next steps needed to address this potential pollutant, according to experts.
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Request for information by FDA on fluorinated polyethylene containers
Policy
20 Jul 2022
FDA is seeking scientific data and information on current food contact uses of fluorinated polyethylene, consumer dietary exposure that may result from those uses, and safety of certain PFAS that may migrate from fluorinated polyethylene food containers.
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Occurrence and Fate of Ultrashort-Chain and Other Per-and Polyfluoroalkyl Substances (PFAS) in Wastewater Treatment Plants
Science
19 Jul 2022 | ACS ES&T Water
The transformation of precursors into shorter chain PFAAs by biological treatment and the partitioning of longer chain PFAS into sludge streams are key factors determining the fate of PFAS in wastewater treatment plants.
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Next Generation Per-and Poly-Fluoroalkyl Substances: Status and Trends, Aquatic Toxicity, and Risk Assessment
Science
19 Jul 2022 | EEH
Future uses of PFAS remain uncertain in the face of governmental regulations and production bans, but replacement PFAS will continue to emerge on the world market and in the environment, raising concerns about their general lack of information on mechanisms and toxic potencies.
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Association of increased risk of cardiovascular diseases with higher levels of perfluoroalkylated substances in the serum of adults
Science
18 Jul 2022 | Environ Sci Pollut Res Int
A significant relationship between higher serum PFAS concentrations and an increased risk of cardiovascular disease was observed, mainly in males.
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Across the US, towns warn of toxic PFAS chemicals in drinking water. Here's what to know
News
16 Jul 2022 | USA Today
In June the EPA released health advisories for chemicals PFOS and PFOA, which have been linked to cancer and other ailments, leaving many Americans to wonder if they're in danger.
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US legislation would limit PFAS in industrial wastewater
News
15 Jul 2022 | C&EN
The measure would also increase the number of chemicals for which manufactures must supply production, use, and other data to the EPA.
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GenX Induces Fibroinflammatory Gene Expression in Primary Human Hepatocytes
Science
15 Jul 2022 | Toxicology
GenX can interfere with metabolic pathways at lower doses and induce abnormal inflammation in human liver cells at higher doses.
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Chemours challenges US EPA drinking water advisory for PFAS
Policy
14 Jul 2022
As part of a challenge to a recent US Environmental Protection Agency health advisory for drinking water, Chemours is using a novel argument linked to a recent Supreme Court ruling.
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PFAS in consumer products grabs public attention
News
14 Jul 2022 | Environmental Health News
EHN wrapped up the first part of an extensive investigation into PFAS in consumer products.