Showing 1846-1860 of 2007
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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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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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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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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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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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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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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.
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Are feathers of a songbird model species (the great tit: ) suitable for monitoring perfluoroalkyl acids (PFAAs) in blood plasma?
Science
14 Jul 2020 | Environ. Sci. Technol.
Results suggest that feathers cannot be used to estimate PFOA and PFOS concentrations in blood plasma, except when there is a great deal of variation in pollutant concentrations among sites/individual birds.
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Perfluoroalkyl, fluorotelomer sulfonate, and perfluorooctane sulfonamide contamination in biosolids: Composition, co-contamination and re-use implication
Science
13 Jul 2020 | Env. Poll.
Biosolids from 12 wastewater treatment plants across Australia were collected and analyzed for their PFAS concentrations.
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Spatial profiles of perfluoroalkyl substances and mercury in fish from northern Lake Victoria, East Africa
Science
13 Jul 2020 | Chemosphere
Trophic magnification is a key factor in the PFAS and MeHg+ spatial profiles.
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Why limiting PFAS in drinking water is a challenge in the US
News
13 Jul 2020 | C&EN
An article in the local newspaper caught Andrea Amico’s eye in May 2014. It reported that one of the three drinking-water wells at a sprawling business and industrial park nearby was shut down because of high levels of chemical contamination.
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Serum Half-Lives for Short- and Long-Chain Perfluoroalkyl Acids after Ceasing Exposure from Drinking Water Contaminated by Firefighting Foam
Science
13 Jul 2020 | Environ. Health Perspect.
Branched PFOS isomers had shorter half-lives than linear PFOS isomers in contaminated human blood.
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Prenatal exposure to perfluoroalkyl substances modulates neonatal serum phospholipids, increasing risk of type 1 diabetes
Science
13 Jul 2020 | Environ Int
PFAS exposure during pregnancy contributes to the risk of type 1 diabetes in newborns.