Showing 256-270 of 1492
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The bioaccumulation and ecotoxicity of co-exposure of per(poly)fluoroalkyl substances and polystyrene microplastics to Eichhornia crassipes
Science
3 Jun 2024 | Water Res
Gen X and F-53B, used as alternatives to PFOA and PFOS, respectively, show significant bioaccumulation and eco-environmental risks, especially when co-exposed with polystyrene microplastics, which increase their bioavailability and toxicity to the aquatic plant Eichhornia crassipes.
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PEER Files Request for Correction Regarding Verification Analysis for PFAS in Pesticide Products
News
31 May 2024 | The National Law Review
According to PEER, “[i]n an effort to protect its reputation,” EPA issued false statements that the pesticides it tested contained no detectable PFAS.
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Exogenous factors associated with legacy PFAS concentrations in the general US population: NHANES 1999-2018
Science
31 May 2024 | Water Emerging Contaminants & Nanoplastics
Understanding the factors that influence individual levels of PFAS chemicals, such as demographic and lifestyle characteristics, can help tailor legislation and interventions to reduce exposure and protect at-risk groups, as shown by this study analyzing data from nearly 15,000 people across the U.S.
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New bill could bail out US farmers ruined by ‘forever chemical’ pollution
Policy
30 May 2024
The bipartisan proposal that would remediate farms affected by toxic PFAS contamination is gaining speed in Congress.
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North Yorkshire town has UK’s highest concentration of ‘forever chemicals’
News
28 May 2024 | The Guardian
The market town of Bentham, which is home to 3,000 people and set on the banks of the River Wenning, is also home to the Angus International Safety Group – locally known as Angus Fire – which, since the 1970s, has been producing firefighting foams containing PFAS at a factory near the town centre.
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EPA accused of ‘egregious’ misconduct in PFAS testing of pesticides
News
28 May 2024 | The Guardian
US agency found PFOS and other types of PFAS in pesticides but failed to disclose those results, watchdog group alleges.
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Maternal F-53B exposure during pregnancy and lactation affects bone growth and development in male offspring
Science
27 May 2024 | Ecotoxicol Environ Saf
Maternal exposure to F-53B, a highly persistent PFOS alternative, in mice during pregnancy and lactation impairs bone growth and development in male offspring, potentially leading to osteoporosis-like symptoms, through disruption of liver function and bone metabolism pathways.
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Machine learning–enhanced molecular network reveals global exposure to hundreds of unknown PFAS
Science
24 May 2024 | Sci Adv
Using machine learning, an automatic PFAS identification platform accurately identified unknown PFAS chemicals in environmental samples, offering improved performance over current methods and revealing numerous previously undetected PFAS in wastewater and other global samples.
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San Francisco bans PFAS from firefighter gear to combat cancer risk
Policy
24 May 2024
San Francisco has become the first major U.S. city to ban PFAS chemicals from its firefighters' protective gear, aiming to reduce the elevated cancer risk among firefighters.
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Maine Amends Its PFAS Statute, Exempting Certain Product Categories from the Sales Prohibition and Eliminating the General Notification Requirement
Policy
24 May 2024
The legislation also creates new sales prohibitions for products with intentionally added PFAS with varying effective dates, expands the exemption of certain product categories from the prohibitions, and establishes a new reporting program for those product categories that receive a currently unavoidable use determination from MDEP.
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Hundreds of drinking water systems exceed new PFAS standards. It could grow to thousands.
News
24 May 2024 | USA Today
After more than a year of collecting test results for toxic “forever chemicals,” the Environmental Protection Agency says almost 300 of America’s public drinking water systems – including some that serve hundreds of thousands of people – exceeded newly established annual limits.
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Immune cell profiles associated with human exposure to perfluorinated compounds (PFAS) suggest changes in Natural Killer, T helper and T cytotoxic cell subpopulations
Science
23 May 2024 | Environ Res
Exposure to various PFAS chemicals, even at low levels, is associated with changes in immune cell subpopulations, potentially explaining the immunosuppressive effects observed in epidemiological studies.
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Closed West Tisbury landfill called PFAS source
News
23 May 2024 | MV Times
The Massachusetts Department of Environmental Protection has labeled the closed and capped West Tisbury landfill as a source of PFAS, the latest confirmed contamination on the Island of chemicals that are associated with a variety of health effects.
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BASF settles PFAS ‘forever chemicals’ water contamination lawsuit for $316.5 million
News
21 May 2024 | Fast Company
The money provided by the settlement, which must be approved by a federal judge, will help cities, towns and other public water systems remediate contamination of perfluoroalkyl and polyfluoroalkyl substances, or PFAS.
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‘Forever chemicals’ entering Great Lakes through precipitation and air: Study
News
20 May 2024 | The Hill
Toxic “forever chemicals” are entering the Great Lakes through both precipitation and the air — reaching cities of all sizes along the U.S. and Canadian shores, a new study has found.