Showing 811-825 of 4346
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Nontarget Screening Strategies for PFAS Prioritization and Identification by High Resolution Mass Spectrometry: A Review
Science
14 Oct 2023 | Trends Environ. Anal. Chem.
Advanced analytical techniques, like non-target screening using high-resolution mass spectrometry, have been developed to identify different PFAS and address challenges due to the vast number and diversity of these compounds and the lack of standards. However, difficulties remain in identifying unknown PFAS in complex environmental samples.
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Blood Testing for PFAS Could Help Inform NH Residents, But Barriers Remain
News
13 Oct 2023 | InDepthNH.org
PFAS blood testing could be a way for people exposed to these chemicals to be proactive in their health, but barriers such as cost, accessibility, and an information deficit in the medical community make the process more challenging, medical experts and policymakers say.
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Swiss drinking water is contaminated with ‘forever chemicals’, research shows
News
13 Oct 2023 | EuroNews.Green
Samples were taken at more than 500 measuring stations. The National Groundwater Observatory found that the potentially harmful chemical additives are widespread in Switzerland’s main drinking water resource.
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Wisconsin committee sets up Republican-authored PFAS bill for Senate vote
Policy
11 Oct 2023
Wisconsin Republicans moved closer Wednesday to a Senate floor vote on a bill that would spend tens of millions of dollars to address pollution from PFAS chemicals.
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Maine nonprofit buys PFAS-contaminated farm to help 'forever chemicals' research
News
11 Oct 2023 | wbur
A nonprofit group has purchased a central Maine farm that is heavily contaminated with PFAS and is opening it up to researchers with the goal of shedding light on ways to handle "forever chemicals" on farms.
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TSCA Section 8(a)(7) Reporting and Recordkeeping Requirements for Perfluoroalkyl and Polyfluoroalkyl Substances
Policy
11 Oct 2023
In accordance with obligations under TSCA, as amended by the National Defense Authorization Act for Fiscal Year 2020, EPA is requiring any person that manufactures (including import) or has manufactured (including imported) PFAS or PFAS-containing articles in any year since January 1, 2011, to electronically report information regarding PFAS uses, production volumes, disposal, exposures, and hazards.
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Elevated Levels of Ultrashort- and Short-Chain Perfluoroalkyl Acids in US Homes and People
Science
11 Oct 2023 | Environ Sci Technol
This study observed strong connections between the amounts of TFA, PFBA, and PFHpA in dust or water and their presence in the bloodstream, indicating that inhaling dust or drinking contaminated water are significant ways people are exposed to these short and ultra-short PFAS.
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Kinetics and Mechanism of Ultrasonic Defluorination of Fluorotelomer Sulfonates
Science
9 Oct 2023 | J. Phys. Chem. A
Ultrasound waves were found to effectively break down FTSAs of various sizes with the potential to degrade other PFAS.
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Serum per- and polyfluoroalkyl substance concentrations and longitudinal change in post-infection and post-vaccination SARS-CoV-2 antibodies
Science
8 Oct 2023 | Environ Res
Higher levels of some PFAS in the bloodstream were associated with a lower initial immune response following infection but did not significantly affect the response to vaccination.
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Australia moves to ban three ‘forever chemicals’ – but family of US teen say more needs to be done
News
7 Oct 2023 | The Sydney Morning Herald
Federal Environment Minister Tanya Plibersek has confirmed the federal government will now effectively ban three of the most notorious “forever chemicals” made by US manufacturer 3M by the end of this year.
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[Webinar] Key takeaways from the PFAS public consultation
Policy
6 Oct 2023
Watch a webinar to get the ins and outs of this record-breaking public consultation, find out what we chose to focus on in our reply and — last but not least — get valuable insights about the restriction proposal from a legal perspective.
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Rule Passed to Require Reporting of PFAS
Policy
6 Oct 2023
The U.S. EPA finalized a rule that will provide EPA, its partners, and the public with the largest-ever dataset of PFAS manufactured and used in the United States.
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Chemours is responsible for PFAS pollution, Dutch court rules
News
6 Oct 2023 | Chemistry World
Chemours will be held accountable for environmental damage in the Netherlands caused by releases of dangerous PFAS between 1984 and at least 1998, the Dutch district court in Rotterdam ruled in an interim decision on 27 September.
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Estimation of the Half-Lives of Recently Detected Per- and Polyfluorinated Alkyl Ethers in an Exposed Community
Science
6 Oct 2023 | Environ Sci Technol
The biological half-lives of fluoroethers were found to be shorter compared to PFOA and PFOS, but longer than PFHxA and PFHpA according to a model combining estimates from exposed populations and literature values.
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Per-and polyfluoroalkyl substances (PFAS) in grocery store foods: method optimization, occurrence, and exposure assessment
Science
5 Oct 2023 | Environ Sci Process Impact
Enhanced PFAS detection methods for various food types revealed that 16 out of 22 grocery store products contained PFAS with some foods exceeding recommended daily intake limits set by the EPA.