Showing 301-315 of 2253
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Delta Air Lines says it needs more time to ditch toxic PFAS firefighting foam at MSP
News
23 Oct 2024 | The Minnesota Star Tribune
Minnesota lawmakers gave maintenance hangars, including Delta’s, a reprieve as Sun Country, MSP make progress toward PFAS-free firefighting foam.
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Statistical Mapping of PFOA and PFOS in Groundwater throughout the Contiguous United States
Science
23 Oct 2024 | Environ Sci Technol
Mapping PFAS contamination in U.S. groundwater is challenging due to inconsistent testing, but a new statistical approach using ecological modeling helps create continuous maps of PFAS distribution, guiding future sampling and addressing health risks from these chemicals.
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PFAS-free firefighting foam coming to Portland International Jetport
News
22 Oct 2024 | Portland Press Herald
The Portland Fire Department says the PFAS-free foam should be fully installed in the airport's 3 trucks by mid-November.
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Personal care product use and per- and polyfluoroalkyl substances in pregnant and lactating people in the Maternal-Infant Research on Environmental Chemicals study
Science
22 Oct 2024 | Environ Int
Personal care product (PCP) use during pregnancy and postpartum is linked to higher PFAS concentrations in prenatal plasma and human milk, indicating that PCPs may be a modifiable source of PFAS exposure and underscoring the importance of informed choices and potential regulations to reduce exposure in pregnant and lactating individuals.
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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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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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‘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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Comprehensive analysis of PFAS presence from environment to plate
Science
16 Oct 2024 | npj Science of Food volume
Fish, seafood, and biota show the highest PFAS concentrations due to environmental contamination and bioaccumulation, along along with frequent detections in surface water, raising concerns about long-term ecological and human health effects.
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Partitioning of Neutral PFAS in Homes and Release to the Outdoor Environment: Results from the IPA Campaign
Science
10 Oct 2024 | Indoor Environments
A study measuring neutral PFAS in 11 North Carolina homes found that (fluorotelomer alcohols) FTOHs dominate in dust, HAC filter, and dryer lint samples, while perfluorooctane sulfonamidoethanols (FOSEs) are most prevalent in airborne particles.
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The potential mediating role of the gut microbiome and metabolites in the association between PFAS and kidney function in young adults: A proof-of-concept study
Science
10 Oct 2024 | Sci Total Environ
Researchers reported for the first time that changes to the gut microbiome may explain the association between high PFAS exposure and impaired kidney function.