Showing 241-255 of 438
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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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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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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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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.
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Nearly 100 million Chinese people supplied drinking water with ‘unsafe’ levels of toxic chemicals
News
15 Jan 2021 | South China Morning Post
The study found extremely high levels of PFOA and PFOS in three Chinese cities in the Yangtze River Basin, which were attributed to the presence of fluorochemical plants and industries that use multiple PFAS, such as leather, textile and paper manufacturing.
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McDonalds pledges to stop using PFAS in food packaging by 2025
News
15 Jan 2021 | MLive
Burgers, fries, cookies and other menu items at the world’s largest fast food chain will no longer come with a side of “forever chemicals” after McDonalds phases out toxic PFAS from its food packaging over the next several years.
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PFAS product liability cases – are the floodgates now open?
News
12 Jan 2021 | National Law Review
Even companies without direct use or knowledge of PFAS use in products should consider a review of supplier materials, as those materials may have PFAS as a component, which could some day subject the company to legal liability issues.
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Characterizing the Air Emissions, Transport, and Deposition of Per- and Polyfluoroalkyl Substances from a Fluoropolymer Manufacturing Facility
Science
12 Jan 2021 | Environ Sci Technol
PFAS with acid functionality has higher deposition due to enhanced water solubility and pH-driven partitioning to aqueous media.
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Deterministic risk assessment of firefighting water additives to terrestrial organisms
Science
12 Jan 2021 | Environ Sci Pollut Res Int
A number of PFAS-free firefighting water additives were found to pose a hazard to terrestrial organisms based on a worst-case exposure scenario of direct application at the greatest recommended application rate for a class A fire (e.g., wood, paper).
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EPA denies petition to address PFAS
News
11 Jan 2021 | Coastal Review Online
The U.S. Environmental Protection Agency on Thursday denied the petition, by six eastern North Carolina organizations to require Chemours Co. to fund testing by independent scientists on 54 PFAS, produced at its Fayetteville Works facility.
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Chemours can skip testing 54 ‘forever chemicals,’ EPA says
News
8 Jan 2021 | Bloomberg Law Review
The EPA has rejected a request from six North Carolina environmental health groups to force Chemours Co. to generate toxicity, human health, and other data for dozens of toxic PFAS chemicals.
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Perfluorooctanesulfonic Acid Detection Using Molecularly Imprinted Polyaniline on a Paper Substrate
Science
4 Jan 2021 | Sensors (Basel)
A low-cost electrical paper sensor was developed to have excellent sensitivity and selectivity provides the potential for large-scale monitoring of wastewater.
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National defense bill may mean money for PFAS cleanup in Massachusetts
Policy
29 Dec 2020
The House is expected to vote Monday to override President Donald J. Trump’s veto of the $740 billion national defense bill, which includes money for PFAS cleanup at air bases across the country.
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Spatial Trends of Anionic, Zwitterionic, and Cationic PFASs at an AFFF-Impacted Site
Science
29 Dec 2020 | Environ Sci Technol
Precursor compounds may create long-term sources of perfluoroalkyl acids, although many pathways remain unknown; precursor analysis is critical for PFAS fate and transport understanding.