Showing 346-360 of 1105
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Species- and Tissue-Specific Chronic Toxicity Values for Northern Bobwhite Quail (Colinus virginianus) Exposed to PFHxA and a Binary Mixture of PFOS and PFHxA
Science
30 Nov 2021 | Environ Toxicol Chem
PFHxA was more toxic to reproducing birds than either PFOS or a PFOS:PFHxS mixture, suggesting that avian PFAS toxicity is not necessarily additive.
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Tumor and serum levels of per- and polyfluoroalkyl (PFAS) in hepatobiliary and gastrointestinal malignancy
Science
30 Nov 2021 | Am J Surg
Cancer patients had higher levels of PFOS than the national average and those with higher blood serum levels of PFOS were more likely to have higher levels of PFOS in tumors.
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DNR Finalizing Rules Limiting Some PFAS in Drinking, Surface Waters
News
29 Nov 2021 | Wisconsin State Journal
The agency is separately working on rules to limit PFOA and PFOS in groundwater and another 12 fluorinated compounds in drinking water.
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Immunotoxicity mechanisms of perfluorinated compounds PFOA and PFOS
Science
23 Nov 2021 | Chemosphere
Mechanisms of PFOA and PFOS immunotoxicity in humans and animals were summarized.
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Perfluorooctane sulfonate (PFOS) induces several behavioural defects in Caenorhabditis elegans that can also be transferred to the next generations
Science
23 Nov 2021 | Chemosphere
PFOS can exert severe neurobehavioral defects in locomotion, lifespan, and reproduction that can be transferred from parents to their offspring in a human model species.
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The driving factors of per- and polyfluorinated alkyl substance (PFAS) accumulation in selected fish species: The influence of position in river continuum, fish feed composition, and pollutant properties
Science
23 Nov 2021 | Sci Total Environ
Molecular mass and fluorine number play crucial roles in PFAS bioaccumulation in fish.
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Per- and Polyfluoroalkyl Substances (PFAS): Significance and Considerations within the Regulatory Framework of the USA
Science
23 Nov 2021 | Int J Environ Res Public Health
Regulatory agencies must start being proactive instead of reactive with PFAS contamination.
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Two ‘Forever Chemicals’ More Toxic Than Previously Thought: EPA Drafts
News
18 Nov 2021 | The Hill
The agency also found that PFOA is “likely” carcinogenic to humans.
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[Press Release] EPA Advances Science to Protect the Public from PFOA and PFOS in Drinking Water
News
16 Nov 2021 | EPA
Following peer review, this information will be used to inform health advisories and the development of Maximum Contaminant Level Goals and a National Primary Drinking Water Regulation for PFOA and PFOS.
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A New OECD Definition for Per- and Polyfluoroalkyl Substances
Science
16 Nov 2021 | Environ Sci Technol
The Organisation for Economic Co-operation and Development and the United Nations Environment Programme expanded on their definition of PFAS to include fluorinated substances that contain at least one fully fluorinated methyl or methylene carbon atom.
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Investigation of levels of perfluoroalkyl substances in freshwater fishes collected in a contaminated area of Veneto Region, Italy
Science
16 Nov 2021 | Environ Sci Pollut Res Int
Consumption of fish more than once a month from a contaminated region of Italy might result in high exposure to PFAS.
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[Blog] The Big Reveal: Hundreds of Health Studies on Next Gen PFAS
News
10 Nov 2021 | NRDC
The PFAS-Tox Database has been updated and includes 1068 studies.
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States Eclipse Feds in Cleaning Up ‘Forever Chemicals’ in Soil
News
10 Nov 2021 | Bloomberg Law
The EPA is moving forward with a roadmap for addressing PFAS.
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Perfluorooctane sulfonate (PFOS) triggers migration and invasion of esophageal squamous cell carcinoma cells via regulation of Zeb1
Science
9 Nov 2021 | Drug Chem Toxicol
Environmental exposure and body accumulation of PFOS might be an important risk factor for esophagus cancer progression, one of the most deadly cancers worldwide.
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Distribution of perfluoroalkyl acids in fish species from the Baltic Sea and freshwaters in Finland
Science
9 Nov 2021 | Chemosphere
Moderate consumption of most Baltic fishes exceeded the tolerable weekly intake set by the European Commission for the sum of four PFAS (PFOA, PFNA, PFHxS, and PFOS).