Showing 1366-1380 of 1547
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Priority perfluoroalkyl substances in surface waters - A snapshot survey from 22 developing countries
Science
2 Feb 2021 | Chemosphere
Baseline PFAS contamination water levels were developed for 22 developing countries worldwide.
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Stable p-type chemical doping of graphene with reduced contact resistance by single-layer perfluorinated polymeric sulfonic acid
Science
2 Feb 2021 | Nanotechnology
PFSA was used to improve the performance of electronics.
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Response to “Comment on Scientific Basis for Managing PFAS as a Chemical Class
Science
1 Feb 2021 | Environ. Sci. Technol
Here we are responding to the comment by Singh and Papanastasiou who disagree with a class-based approach to PFAS and build their argument around hydrochlorofluorocarbons.
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Comparison of currently available PFAS remediation technologies in water: A review
Science
28 Jan 2021 | J Environ Manage
In this review, extra consideration is given to novel advanced techniques for PFAS including short chain PFAS removal, and compare their efficiencies, effectiveness, energy use, sustainability, cost, and simplicity in laboratory scale to field applications.
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Firefighters Battle an Unseen Hazard: Their Gear Could Be Toxic
News
26 Jan 2021 | The New York Times
“We’re exposed to these chemicals every day,” Captain Mitchell said. “And the more I looked into it, the more it felt like the only people who were saying these chemicals were safe were the people who make it.”
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Biden administration looks set to target ‘forever chemicals,’ as 3M warns about ‘onerous regulation’
News
26 Jan 2021 | Market Watch
President Joe Biden’s administration looks poised to crack down on a group of “forever chemicals” that have been linked to a range of health problems, a move that could put companies like 3M and DuPont on the hook for billions of dollars in cleanup costs.
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EPA Delivers Results on PFAS Action Plan
Policy
26 Jan 2021
The U.S. EPA announced a suite of actions from across the agency that will continue the significant progress the agency has made to implement the PFAS Action Plan—the most comprehensive cross-agency plan ever to address an emerging chemical of concern.
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EWG Petitions EPA To Fine Chemical Maker More Than $400M for Failure To Report Tests
News
26 Jan 2021 | EWG
As the EPA continues to move forward with its assessment of risks posed by PFAS, address contamination, and protect public health, we write to notify you of an apparent violation of reporting requirements by Solvay under Section 8(e) of the Toxic Substances Control Act
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Degradation and effect of 6:2 fluorotelomer alcohol in aerobic composting of sludge
Science
26 Jan 2021 | Biodegradation
6:2 FTOH was found to decrease the microbial richness and diversity of sludge compost.
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Federal Government Human Health PFAS Research Workshop
Science
25 Jan 2021 | NAS
Proceedings of a workshop help by various federal agencies over the federal context for PFAS research, human exposure, experimental toxicology, human health outcomes, and cross-cutting issues in PFAS risk assessment.
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Suspect and Nontarget Screening Revealed Class-Specific Temporal Trends (2000-2017) of Poly- and Perfluoroalkyl Substances in St. Lawrence Beluga Whales
Science
20 Jan 2021 | Environ Sci Technol
Short-chain PFAS were found in beluga whales which indicates that the continuous emissions of unregulated PFAS into the environment.
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Trends and Levels of Perfluorinated Compounds in Soil and Sediment Surrounding a Cluster of Metal Plating Industries
Science
19 Jan 2021 | Soil Sediment Contam
A slight increase was observed for PFOS and PFOA during 2016–2019 in soils around metal plating shops.
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Organic contaminants of emerging concern in leachate of historic municipal landfills
Science
19 Jan 2021 | Env. Poll.
PFAS are present in 60-year-old landfill at levels comparable to the present day.
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Relative Acute Toxicity of Three Per- and Polyfluoroalkyl Substances on Nine Species of Larval Amphibians
Science
19 Jan 2021 | Integr Environ Assess Manag
Our study is one of the first to report species-, developmental stage-, and compound-specific differences in sensitivity to PFAS across a wide range of amphibian species.
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Atmospheric particulate represents a source of C8–C12 perfluoroalkyl carboxylates and 10:2 fluorotelomer alcohol in tree bark
Science
18 Jan 2021 | Environ. Poll.
Overall, this study provides the first evidence that atmospheric particulate is an obvious source of C8–C12 PFCAs and 10:2 FTOH in tree bark.