Showing 436-450 of 2205
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They’re in pans, fruit, dust – and even tap water. But can I eradicate toxic forever chemicals from my home?
News
25 May 2024 | The Guardian
One person’s attempt to reduce PFAS exposure from everyday items.
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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.
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Toxic Gaslighting: How 3M Executives Convinced a Scientist the Forever Chemicals She Found in Human Blood Were Safe
News
20 May 2024 | ProPublica
Decades ago, Kris Hansen showed 3M that its PFAS chemicals were in people’s bodies. Her bosses halted her work. As the EPA now forces the removal of the chemicals from drinking water, she wrestles with the secrets that 3M kept from her and the world.
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[Report] Recycling of Solar Panels: Comparison of scenarios for a more circular and safe product chain
Science
20 May 2024 | RIVM
The Netherlands aims for a circular economy by 2050 and is developing recycling technologies for solar panels, with a focus on addressing hazardous substances like PFAS found in the panels' backsheets, to ensure safe and sustainable disposal as large-scale panel retirement begins in five years.
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Linking exposure to per- and polyfluoroalkyl substances (PFAS) in house dust and biomonitoring data in eight impacted communities
Science
17 May 2024 | Environ Int
In communities impacted by drinking water contamination from PFAS, household dust was found to significantly correlate with serum PFAS levels, suggesting residential exposure via indoor pathways, with factors like age, duration of residence, cleaning habits, and product usage influencing exposure levels.
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Use of Tox21 screening data to profile PFAS bioactivities on nuclear receptors, cellular stress pathways, and cytochrome p450 enzymes
Science
17 May 2024 | J Hazard Mater
Analyzing Tox21 screening data, researchers identified new potential targets/pathways and confirmed known ones for non-legacy PFAS, notably revealing their inhibition of cytochromes P450s (CYPs), particularly one that plays a role in metabolizing drugs and toxins, shedding light on PFAS toxicity mechanisms.
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Holden company slapped with $15K fine for PFAS contamination
News
16 May 2024 | Worcester Telegram & Gazette
Avient Colorants USA LLC, a maker of paints and coatings, was slapped with a $15,125 fine by the state Department of Environmental Protection, according to a state press release. The agency said Avient discovered PFAS in groundwater at the company's property at 85 Industrial Drive but didn't follow state law for timely notification.
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Occurrence and Fate of Per-and Polyfluoroalkyl Substances (PFAS) in Atmosphere: Size-Dependent Gas-Particle Partitioning, Precipitation Scavenging, and Amplification
Science
16 May 2024 | Environ. Sci. Technol.
Researchers in Shijiazhuang, China examined the distribution of PFAS in the atmosphere, finding that FCAs were the most prevalent, with their concentrations linked to the organic matter fraction across various particle sizes. Temperature influenced gas-particle partitioning and precipitation played a key role in removing PFAS from the atmosphere, despite temporary increases during rainfall events.