Showing 676-690 of 4915
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Regulation of terrestrial input and ocean processes on the occurrence and transport of traditional and emerging per-and polyfluoroalkyl substances in the inner shelf of the East China Sea
Science
21 Oct 2024 | Water Research
Coastal oceans show significant accumulation of PFAS in nearshore waters due to terrestrial inputs, industrial sources, and hydrological conditions, with certain PFAS compounds posing elevated ecological risks in regions like the East China Sea.
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PFAS profiles in Biosolids, Composts, and Chemical Fertilizers Intended for Agricultural Land Application in Quebec (Canada)
Science
21 Oct 2024 | J. Hazard. Mater.
Biosolids, sewage sludge, and composts used for sustainable agriculture may contain PFAS chemicals that can accumulate in soil and enter the food chain, with this study finding significant PFAS levels across various biowastes in Quebec, Canada, highlighting concerns about long-term environmental and health risks from repeated applications.
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Insights into PFAS contaminants before and after sewage discharges into a marine protected harbour
Science
21 Oct 2024 | Chemosphere
Untreated wastewater discharges in the UK are causing elevated levels of harmful PFAS chemicals in protected marine areas, with significant contamination found in water, seaweed, and oysters, underscoring the need for better wastewater management and a deeper understanding of PFAS impacts on marine ecosystems.
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Trends in NHANES Biomonitored Exposures in California and the United States following Enactment of California’s Proposition 65
Science
21 Oct 2024 | EHP
California's Proposition 65 aimed to reduce exposure to harmful chemicals like PFAS, but despite overall declines in these substances nationwide, it's uncertain if the law directly drove the reductions, as broader regulations and public awareness may have played significant roles.
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Australia to toughen rules around acceptable levels of key PFAS chemicals in drinking water under draft guidelines
News
20 Oct 2024 | The Guardian
Under the draft, the limit for PFOA – a compound used to make Teflon – would be lowered from 560 ng/L to 200 ng/L, based on evidence of their cancer-causing effects.
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Role of Fluorocarbon Chain Length in the Adsorption of Perfluoroalkyl Substances on Nanoplastic Particles
Science
20 Oct 2024 | ACS ES&T Water
In aquatic environments, nanoplastics and PFAS can interact through electrostatic forces, with PFAS adsorption on oppositely charged nanoplastics leading to changes in particle stability depending on PFAS chain length and water chemistry, influencing how these contaminants might spread in different water conditions.
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Prenatal exposure to per- and polyfluoroalkyl substances, fetoplacental hemodynamics, and fetal growth
Science
20 Oct 2024 | Environ Int
Legacy PFAS exposure during pregnancy may be linked to reduced fetal growth, but the effects of next-generation PFAS and PFAS mixtures are less clear, with further research needed to understand their impact on fetoplacental blood flow.
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Health groups accuse state of downplaying nation's largest spill of toxic chemicals: 'Increases the distrust that people have when it comes to government'
News
19 Oct 2024 | Yahoo!News
At Brunswick Naval Air Station near the coast of Maine, a fire suppression system malfunctioned, spilling about 51,000 gallons of PFAS-containing foam into surface water and causing massive levels of contamination.
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EPA Proposes to Add 16 PFAS and 15 PFAS Categories to the TRI List of Chemicals
Policy
18 Oct 2024
The U.S. EPA proposed on October 8, 2024, to add 16 individual PFAS and 15 PFAS categories representing more than 100 individual PFAS to the Toxics Release Inventory list of toxic chemicals subject to reporting to comply with the National Defense Authorization Act for Fiscal Year 2020.
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USDA’s ARS Develops Long-Term Roadmap for PFAS in U.S. Agriculture
Policy
18 Oct 2024
The U.S. Department of Agriculture’s Agricultural Research Service announced on October 16, 2024, several key outcomes from a workshop held to develop a research roadmap leading to short- and long-term science-based solutions to meet the challenges posed by the discovery of PFAS in agricultural soils and waters.
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Utah advocates want restrictions on pesticides bringing ‘forever chemicals’ into the state
News
18 Oct 2024 | Idaho Capital Sun
Federal guidelines to test, treat water systems for PFAS may not be enough to protect residents, especially women, children and pregnant mothers from exposure, some doctors say.
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EPA assessment of Seacoast Superfund site finds ‘unacceptable added risk’ from PFAS
News
18 Oct 2024 | New Hampshire Bulletin
Some surface waters and associated wetlands near a Seacoast Superfund site have an “unacceptable added risk” from accidental ingestion, according to a new risk assessment from the Environmental Protection Agency.
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‘Forever Chemicals’ Linked to Poorer Sleep
News
18 Oct 2024 | Yale Environment 360
Young adults with higher levels of certain “forever chemicals” in their blood reported poorer sleep, a new study finds.
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[Press Release] USC study finds link between PFAS, kidney function and gut health
News
17 Oct 2024 | Keck School of Medicine of USC
In the first study of its kind, researchers from the Keck School of Medicine found that problems with gut bacteria and related metabolites can help explain the link between “forever chemicals” and kidney damage.
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Sampling shows treatment of forever chemicals at Grandview Wells site working
News
17 Oct 2024 | Daily Inter Lake
The three systems that are serving the two wells were rented from Illinois-based water quality treatment service WaterSurplus and can treat up to 1,800 gallons a minute, according to the Kalispell Public Works Department.