Showing 1726-1740 of 4346
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Colorado bans PFAS in oil- and gas-extraction products
News
6 Jun 2022 | C&EN
Colorado has become the first US state to ban per- and polyfluoroalkyl substances (PFAS) in products used in drilling for oil and gas.
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States take new PFAS policy steps as waste industry awaits federal guidelines
Policy
6 Jun 2022
As the waste industry awaits new federal guidance, states are developing regulations and laws on how to manage PFAS in everything from packaging to clothing to biosolids.
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Concerning measures to increase protections from perfluoroalkyl and polyfluoroalkyl chemicals
Policy
6 Jun 2022
The Colorado state legislature passed HB22-1345, which was signed into law by Gov. Jared Polis (D).
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At least 12 military bases contaminating water supply with toxic PFAS
News
6 Jun 2022 | The Guardian
Testing by the Department of Defense revealed dangerous levels of the contaminants, drawing concern from public health advocates.
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Is the use of paper food contact materials treated with per- and polyfluorinated alkyl substances safe for high-temperature applications? – Migration study in real food and food simulants
Science
6 Jun 2022 | Food Chemistry
Several PFAS migrated from paper-based food contact materials into real food, contributing significantly to tolerable weekly intake.
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Estimated daily intake of per- and polyfluoroalkyl substances related to different particle size fractions of house dust
Science
6 Jun 2022 | Chemosphere
Children’s estimated daily intake for the sum of PFOA, PFNA, PFHxS, and PFOS from house dust exposure is close to the tolerable weekly intake value presented by the European Union.
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Co-exposure to perfluoroalkyl acids and heavy metals mixtures associated with impaired kidney function in adults: A community-based population study in China
Science
6 Jun 2022 | Sci Total Environ
Co-exposure to PFAS and heavy metals was associated with reduced kidney function, especially due to As, Sr, and PFHpS.
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Per- and polyfluoroalkyl substances (PFAS) exposure in women seeking in vitro fertilization-embryo transfer treatment (IVF-ET) in China: Blood-follicular transfer and associations with IVF-ET outcomes
Science
6 Jun 2022 | Sci Total Environ
Based on their physicochemical properties, many PFAS can easily cross the blood-follicle barrier, but there was no significant association between PFAS concentrations and select in vitro fertilization outcomes.
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Early-pregnancy plasma per- and polyfluoroalkyl substance (PFAS) concentrations and hypertensive disorders of pregnancy in the Project Viva cohort
Science
6 Jun 2022 | Environ Int
Exposure to certain PFAS may increase the odds of gestational hypertension during pregnancy, with potential implications for maternal and child health outcomes.
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Perturbation of the gut microbiome in wild-caught freshwater turtles (Emydura macquarii macquarii) exposed to elevated PFAS levels
Science
6 Jun 2022 | Sci Total Environ
Impacted turtles had a 60-fold increase in serum PFAS concentrations and displayed indicators of an altered gut microbiome, consistent with stress and inflammation.
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Dietary Perfluorohexanoic Acid (PFHxA) Exposures in Juvenile Zebrafish Produce Subtle Behavioral Effects across Generations
Science
4 Jun 2022 | Toxics
PFHxA juvenile dietary exposure induced abnormal adult behavior and anxiety in a multigenerational human model species.
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Pressure growing to remove PFAS from fast food wrappers
News
1 Jun 2022 | Shelton Herald
Hampton, who believes the contaminated water contributed to kidney problems she and other residents suffer, soon learned that PFAS were found in another source that hit close to home — fast food wrappers, boxes and plates.
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Application of soil amendments for reducing PFAS leachability and bioavailability
Science
1 Jun 2022 | Environ. Pollut.
Through the use of commercially-available soil additives, the mobility and potential exposure to soil-borne PFAS was decreased by 98%.
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Extraction of Chemical Structures from Literature and Patent Documents using Open Access Chemistry Toolkits: A Case Study with PFAS
Science
1 Jun 2022 | Comput. Theor. Chem.
This work extracted ~1.7 M PFAS from patents and ~27 K from repositories to better understand how chemical structures are being normalized and communicated.
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Are resource recovery insects safe for feed and food? A screening approach for bioaccumulative trace organic contaminants
Science
1 Jun 2022 | Sci. Total Environ.
Four PFAS (PFBA, PFOA, PFBS, and PFOS) did not bioaccumulate in larvae, and non-target analysis revealed emerging PFAS present in larvae and almond hulls.