Showing 3646-3660 of 4702
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Study: Novel PFAS comprise 24% of those measured in blood of Wilmington, N.C. residents
News
23 Jul 2020 | NC State News
The fluoroethers – Nafion byproduct 2, PFO4DA and PFO5DoA – these are the first measurements of these chemicals in humans. Two other fluoroethers, PFO3OA and NVHOS, were infrequently detected. Nearly all samples had at least one fluoroether present, but GenX was not found in any samples.
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Influence of soil on the uptake of perfluoroalkyl acids by lettuce: A comparison between a hydroponic study and a field study
Science
22 Jul 2020 | Chemosphere
Short-chain PFAS was found to be absorbed by lettuce plants readily.
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Oscoda residents, Kildee demand action on PFAS cleanup
News
22 Jul 2020 | The Alpena News
In Oscoda, the chemicals come from firefighting foam used for decades by the U.S. Air Force at the Wurtsmith Air Force Base and have made their way into groundwater and nearby waterways. Advocates have been calling on the Air Force to clean up PFAS contamination for at least a decade.
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Cooking methods affect the intake of per- and polyfluoroalkyl substances (PFASs) from grass carp
Science
22 Jul 2020 | Ecotoxicol. Environ. Saf.
The effects of various cooking methods (boiling, steaming, grilling, and frying) on the levels of PFASs in fish muscle and the intake of PFASs were explored.
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Per- and polyfluoroalkyl substances in ducks and the relationship with concentrations in water, sediment, and soil
Science
22 Jul 2020 | Environ. Toxicol. Chem.
Elevated PFOS and PFOS+PFHxS concentrations in ducks were observed near local point-sources, but also at wetlands with no known point-sources of contamination.
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House Democrats add some 'forever chemicals' provisions to defense bill after spiking major amendment
Policy
21 Jul 2020
House Democrats added several amendments aiming to regulate a class of cancer-linked chemicals called PFAS to a defense spending bill Monday.
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Disposal of products and materials containing per- and polyfluoroalkyl substances (PFAS): A cyclical problem
Science
21 Jul 2020 | Chemosphere
PFAS-containing wastes create repeated cycles of contamination in all disposal pathways: landfilling, wastewater treatment, and incineration.
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Interactions of Perfluorooctanesulfonate and 6:2 Chlorinated Polyfluorinated Ether Sulfonate with Human Serum Albumin: A Comparative Study
Science
21 Jul 2020 | Chem Res Toxicol
6:2 Cl-PFESA was found to have a stronger binding affinity human blood cells than PFOS.
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Recent Developments of PFAS-Detecting Sensors and Future Direction: A Review
Science
21 Jul 2020 | Micromachines
This paper presents a comprehensive review of the recent developments in PFAS-detecting sensors, and why the literature on determination methods has shifted in this direction compared to the traditional methods used.
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Laboratory-scale and pilot-scale stabilization and solidification (S/S) remediation of soil contaminated with per- and polyfluoroalkyl substances (PFASs)
Science
21 Jul 2020 | J of Haz. Mat.
PFOA and PFOS was found to be remediated up to 97% in soil.
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Removal of legacy PFAS and other fluorotelomers: Optimized regeneration strategies in DOM-rich waters
Science
21 Jul 2020 | Water Res.
Optimization of anionic ion exchange was accomplished to remove PFAS from water efficiently.
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Background contamination of perfluoralkyl substances in a Belgian general population
Science
21 Jul 2020 | Toxicol. Lett.
Half of the population showed PFOS and PFOA serum levels above the health guidance values set by the German HBM Commission.
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Are melamine and its derivatives the alternatives for per- and polyfluoroalkyl substance (PFAS) fabric treatments in infant clothes?
Science
21 Jul 2020 | Environ. Sci. Technol.
Melamine was found to be a potential alternative to PFAS in infant textiles.
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Can exposure to ‘forever chemicals’ make people more vulnerable to COVID-19?
News
20 Jul 2020 | NEWS CENTER Maine
A federal report links exposure to PFAS chemicals and COVID-19 and reducing the effectiveness of certain vaccines. There is also concern that exposure could limit the effectiveness of a potential vaccine against COVID-19.
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Airport readies PFAS pollution response
News
17 Jul 2020 | Jackson Hole Daily
Jackson Hole Airport is ordering tens of thousands of dollars’ worth of drinking water filters for neighboring residents in response to perfluoroalkyl substances that have leached into the groundwater, potentially threatening drinking water.