Showing 271-285 of 460
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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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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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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.
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Investigation targets discharges of next-generation 'forever chemicals' from 3M's Cottage Grove plant
News
18 Dec 2020 | Star Tribune
State and federal pollution regulators are investigating 3M Co.'s reporting on next-generation "forever chemicals" discharged from its Cottage Grove plant into the Mississippi River, even as Minnesota struggles to address ever-growing contamination from the original versions the manufacturer no longer makes.
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Paper product production identified as the main source of per- and polyfluoroalkyl substances (PFAS) in a Norwegian lake: source and historic emission tracking
Science
16 Dec 2020 | Env Poll
Production of paper products is likely a major source of environmental PFAS.
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Scientists seek evidence that ‘forever chemicals’ hinder COVID-19 vaccines
News
16 Dec 2020 | NJ Spotlight
Investigators say more work is needed on interaction of PFAS in blood and the coronavirus.
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Atmospheric diffusion of perfluoroalkyl acids emitted from fluorochemical industry and its associated health risks.
Science
8 Dec 2020 | Environ Int
Potential health risk occurred in the best-case scenario, while the estimated daily intake from the worst-case scenario was comparable to that via indoor dust ingestion, indicating a notable health risk.
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Water watchdog chief says industry should face tighter regulation on chemical leaks
News
4 Dec 2020 | NJ Spotlight
Regulations have not done enough to prevent pollution by industry, and they may now need to be strengthened so that corporations do more to ensure contaminants do not escape their plants.
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Software Comparison for Nontargeted Analysis of PFAS in AFFF-Contaminated Soil
Science
2 Dec 2020 | J Am Soc Mass Spectrom
FluoroMatch and Compound Discoverer were found to both produce high-quality data that were useful for assessing PFAS contamination in the soil.
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Groundwater contamination by fluorinated aromatics: benzotrifluoride and its derivatives
Science
2 Dec 2020 | Chemosphere
After >40 years, benzotrifluorides are still present in the μg L-1 concentration range in groundwater.
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Spatial distribution, sources and risk assessment of perfluoroalkyl substances in surface soils of a representative densely urbanized and industrialized city of China
Science
1 Dec 2020 | Catena
Total PFAS content was negatively correlated with soil pH but positively with soil organics.