Showing 1171-1185 of 1924
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Source apportionment and crop bioaccumulation of perfluoroalkyl acids and novel alternatives in an industrial-intensive region with fluorochemical production, China: Health implications for human exposure
Science
22 Sep 2021 | J Hazard Mater
Through crop consumption, short-chained PFAAs and novel alternatives might pose emerging human health threats.
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What we need to know to address PFAS contamination
Policy
21 Sep 2021
To help manage PFAS contamination, researchers affiliated with the Global PFAS Science Panel have called out key knowledge gaps that need to be addressed.
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Addressing Urgent Questions for PFAS in the 21st Century
Science
21 Sep 2021 | Environ Sci Technol
Six urgent questions relevant to science, technology, and policy were proposed to aid in addressing the -- PFAS problem.
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Membrane-based technologies for per- and poly-fluoroalkyl substances (PFASs) removal from water: Removal mechanisms, applications, challenges and perspectives
Science
21 Sep 2021 | Environ Int
Here we critically review and analyze the current state-of-the-art of membrane-based techniques for PFASs removal, including direct membrane filtrations, adsorption-based membranes, and hybrid membrane processes.
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Tissue-specific distribution of legacy and novel per- and polyfluoroalkyl substances in juvenile seabirds
Science
21 Sep 2021 | Environ Sci Technol Lett
Emerging perfluoroalkyl ether acids (PFEAs)-Nafion byproduct-2 and PFO5DoDA - were detected in greater than 90% of tissues in birds obtained from a nesting region downstream from a major fluorochemical production site.
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Determination of 56 per- and polyfluoroalkyl substances in top predators and their prey from Northern Europe by LC-MS/MS
Science
21 Sep 2021 | Chemosphere
A clear association between the PFAS concentrations in apex predators and the geographical origin of the specimens, with samples that were collected in urban and agricultural zones being highly contaminated compared to samples from pristine or semi-pristine areas.
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Environmental Groups Worry PFAS Lawsuit Filed By Business Lobby Puts Wisconsin’s Strongest Pollution Protection Law At Risk
News
17 Sep 2021 | Milwaukee Journal Sentinel
At the heart of the complaint is a recent change in policy to focus on PFAS and enforcing cleanup standards for the substances without going through a rulemaking process and having the standards approved by the Legislature.
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Production of forever chemicals emits potent greenhouse gases, analysis finds
News
16 Sep 2021 | The Guardian
A new analysis of EPA data has revealed that PFAS chemicals – often known as “forever chemicals” due to their longevity in the environment – are contributing to the climate crisis as their production involves the emission of potent greenhouse gases.
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3M Under Fire In Belgium Over Company’s Handling of PFAS Pollution
News
14 Sep 2021 | Star Tribune
Decades-old pollutants raise fresh concerns as company, regulators work out remediation plan.
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EPA proposes first limits to PFAS in wastewater
Policy
14 Sep 2021
The EPA on Wednesday announced plans for regulation that would for the first time set limits on levels of PFAS, that certain manufacturers and users of the chemical compound discharge in wastewater.
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Modelling the sorption behaviour of perfluoroalkyl carboxylates and perfluoroalkane sulfonates in soils
Science
14 Sep 2021 | Sci Total Environ .
This study develops a new parametric model to predict the sorption of PFAS in soils, which can be linked to the disbursement of these contaminants.
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Perfluoroalkyl substances (PFAS) in drinking water and risk for polycystic ovarian syndrome, uterine leiomyoma, and endometriosis: A Swedish cohort study
Science
14 Sep 2021 | Environ Int .
Exposure to high levels of PFAS in drinking water was associated with an increased risk of reproductive harm
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Can Environmental Law Solve the 'Forever Chemical' Problem?
Science
14 Sep 2021 | Wake Forest Law Review, Forthcoming
A proposal away from the reactive toxicity honor system in favor of a precautionary approach to environmental protection.
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Temporal trends of perfluoroalkyl substances in an Australian wastewater treatment plant: A ten-year retrospective investigation
Science
14 Sep 2021 | Sci. Tot. Env.
PFBA and 5:3 FTCA showed increasing concentrations between 2010 and 2020 with over 50% coming from industrial inputs.
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Comparative characterization of microbial communities that inhabit PFAS-rich contaminated sites: A case-control study
Science
14 Sep 2021 | J Hazard Mater
Soil microbial communities were found to have adverse reactions to PFAS which may put crops at risk.