Showing 31-45 of 171
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Non-target discovery and risk prediction of per- and polyfluoroalkyl substances (PFAS) and transformation products in wastewater treatment systems
Science
2 Jul 2024 | J Hazard Mater
Wastewater treatment plants are recipients of PFAS wastes; researchers identified 896 PFAS and transformation products in both aqueous and sludge phases in Guangzhou, China.
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The Total Mass of Per- and Polyfluoroalkyl Substances (PFASs) in California Cosmetics
Science
27 Jun 2024 | Environ Sci Technol
Cosmetics sold in California were found to contain between 650 to 56,000 kg of PFAS annually, with the majority coming from shaving creams, hair care products, facial cleansers, sun care products, and lotions, contributing 4% to the PFAA load in wastewater treatment plants.
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Current understanding on the transformation and fate of per-and polyfluoroalkyl substances before, during, and after thermal treatment of biosolids
Science
24 May 2024 | J. Chem. Eng.
Thermal treatment methods like incineration, pyrolysis, and gasification can potentially destroy PFAS in biosolids, but optimizing treatment conditions and understanding the complete process remains challenging.
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[Video] ‘They told us that this material would be safe.’ Toxic PFAS discovered on US farms
News
6 May 2024 | CNN
Farms across Maine are discovering toxic PFAS chemicals in their soil and water. But the problem could impact millions of acres of farmland nationwide.
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Distribution of Per-and Polyfluoroalkyl Substances (PFASs) in a Waste-to-Energy Plant - Tracking PFASs in Internal Residual Streams
Science
30 Apr 2024 | ES&T
PFAS were detected in all Waste-to-Energy plant residues except for boiler ash, with wet flue gas treatment reducing PFAS levels by 35% ± 10%, indicating that there is still a need for a safe disposal method of products containing PFAS.
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PFAS Contamination in Europe: Generating Knowledge and Mapping Known and Likely Contamination with “Expert-Reviewed” Journalism
Science
9 Apr 2024 | Environ Sci Technol
The "Forever Pollution Project" (FPP), a collaborative effort between journalists and scientific advisers, used investigative techniques to reveal widespread PFAS contamination across Europe, emphasizing the importance of data transparency and collaboration among researchers, policymakers, and journalists in addressing environmental issues.
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Biosolids, an important route for transporting poly-and perfluoroalkyl substances from wastewater treatment plants into the environment: A systematic review
Science
6 Mar 2024 | Sci. Total Environ.
This review examined the presence and behavior of PFAS in wastewater treatment plants, revealing variations in PFAS concentrations across plants, the role of biological mechanisms in PFAS transformation, and the influence of factors like carbon chain length and wastewater composition on PFAS adsorption in sludge, emphasizing the need for improved management strategies to address PFAS contamination in environmental systems.
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Proposed rules would allow any commercial farm contaminated by PFAS to apply for financial assistance
Policy
4 Dec 2023
Maine so far has focused on farms that were contaminated through the spreading of wastewater sludge.
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Per-and polyfluoroalkyl substances (PFAS) in Canadian municipal wastewater and biosolids: Recent patterns and time trends 2009 to 2021
Science
19 Nov 2023 | Sci. Total Environ.
PFOS and PFOA remain in Canadian wastewater and biosolids, with concentrations of long-chain PFAS – except for PFOS – decreasing over time, while short-chain PFAS, used as replacements, show a consistent increase in wastewater between 2009 and 2021.
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Uhlmann Confirms EPA Will Not Pursue PFAS Enforcement Actions against Farmers, Public Airports, and Municipal Wastewater Facilities
News
16 Oct 2023 | The National Law Review
The U.S. EPA will not pursue PFAS enforcement actions against farmers who used biosolids, public airports that used aqueous film forming foam for fire suppression, or municipal wastewater facilities so long as they were acting in good faith.
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Target and Suspect Screening Integrated with Machine Learning to Discover Per- and Polyfluoroalkyl Substance Source Fingerprints
Science
11 Sep 2023 | Environ Sci Technol
This study uses high-resolution mass spectrometry to identify specific PFAS fingerprints associated with various sources, including AFFF-contaminated groundwater, landfill leachate, biosolids leachate, wastewater treatment plant effluent, and wastewater effluent from the pulp and paper and power generation industries.
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Maine farmers impacted by PFAS worry multi-million-dollar fund will fall short
News
19 May 2023 | News Center Maine
An advisory panel says roughly $80.5 million is needed to address a growing toxic crisis.
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Per- and polyfluorinated alkyl substances (PFAS) in Pennsylvania surface waters: A statewide assessment, associated sources, and land-use relations
Science
15 May 2023 | Sci Total Environ
Electronics manufacturing & water pollution control facilities were associated with greater PFAS contamination in Pennsylvania.
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Perfluorooctanoic Acid (PFOA) Incorporated into Iron Particles Promoted the Formation of Disinfection Byproducts under Drinking Water Conditions
Science
14 Mar 2023 | Environ Sci Technol
PFOA may interact with iron pipes to increase the formation of potentially hazardous chemicals in drinking water.
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Occurrence of Quantifiable and Semi-Quantifiable Poly- and Perfluoroalkyl Substances in United States Wastewater Treatment Plant
Science
10 Feb 2023 | Water Research
Quantifiable & semi-quantifiable PFAS were found in the influent, effluent, and biosolids at every facility sampled, with most PFAS discharging via aqueous effluent.