Showing 526-540 of 1814
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Developmental perfluorooctane sulfonic acid exposure exacerbates house dust mite induced allergic responses in adult mice
Science
4 Jun 2024 | Sci Total Environ
PFOS not only disrupts lung development and increases asthma risk in mice, but also exacerbates allergic inflammation caused by house dust mites, particularly in females, underscoring potential sex-dependent health risks from PFOS exposure.
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Association of co-exposure to organophosphate esters and per- and polyfluoroalkyl substances and mixture with cardiovascular-kidney-liver-metabolic biomarkers among Chinese adults
Science
4 Jun 2024 | Ecotoxicol Environ Saf
Exposure to common environmental contaminants like organophosphate esters and PFAS, especially PFHxS and PFNA, is associated with disruptions in liver function and cholesterol levels, suggesting potential risks for chronic diseases due to their widespread presence in the human body.
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Non-targeted analysis of per-and polyfluorinated substances in consumer food packaging
Science
3 Jun 2024 | Chemosphere
A non-targeted workflow utilizing high-resolution mass spectrometry successfully detected previously unknown PFAS compounds in diverse consumer food packaging samples, revealing the presence of several compounds and emphasizing the prevalence of both emerging and legacy PFAS in food packaging materials.
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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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Non-Targeted PFAS Suspect Screening and Quantification of Drinking Water Samples Collected through Community Engaged Research in North Carolina's Cape Fear River Basin
Science
31 May 2024 | Toxics
A community-engaged research approach in North Carolina discovered that drinking water samples from the Cape Fear River basin contained several PFAS compounds, including PFOA and PFOS levels that exceeded the EPA's limit of 4 ng/L, and these results were shared with local residents to help them reduce their exposure.
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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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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.