Showing 1216-1230 of 1483
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Air-water interfacial adsorption coefficients for PFAS when present as a multi-component mixture
Science
17 Nov 2020 | J Contam Hydrol
Models found that PFAS mobility can be affected by the concentration and homogeneity of PFAS mixtures.
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An exploratory analysis of poly- and per-fluoroalkyl substances in pet food packaging from the United States
Science
17 Nov 2020 | Env. Tech. & Inn.
Precursors that were oxidized to PFBA were found in pet food and packaging.
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Exposure to PFAS and small for gestational age new-borns: A birth records study in Veneto Region (Italy)
Science
17 Nov 2020 | Environ Res
Living in a contaminated area by PFAS may play a role in affecting fetal growth and support the hypothesis that PFAS exposure is a risk factor for lower than average gestational growth.
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‘Forever chemicals’ found in Chesapeake seafood and Maryland drinking water
News
17 Nov 2020 | Bay Journal
States like New Jersey urged its anglers to limit consumption of recreationally caught fish with comparable PFOS levels to what was found in the Potomac River striped bass.
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Formation of perfluorocarboxylic acids (PFCAs) during the exposure of earthworms to 6:2 fluorotelomer sulfonic acid (6:2 FTSA)
Science
17 Nov 2020 | Sci Total Environ
Five terminal PFCA metabolites, including TFA, PFPrA, PFBA, PFPeA and PFHxA were found to be biotransformed from 6:2 FTSA in earthworms.
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Biden EPA transition team member helped DuPont dodge responsibility for PFOA
Policy
11 Nov 2020
Michael McCabe, a former EPA official and aide to Joe Biden, led DuPont’s defense of PFOA avoiding regulation that would have cost DuPont dearly.
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Per- and Polyfluoroalkyl Substances in the Air Particles of Asia: Levels, Seasonality, and Size-Dependent Distribution
Science
11 Nov 2020 | Environ Sci Technol
PFOS distributed on specific sizes exhibited seasonal and regional dependency, while no such patterns were observed for PFOA.
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The Biden plan to secure environmental justice
Policy
10 Nov 2020
Biden will tackle PFAS pollution by designating PFAS as a hazardous substance, setting enforceable limits for PFAS in the Safe Drinking Water Act, prioritizing substitutes through procurement, and accelerating toxicity studies and research on PFAS.
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Occurrence and Distribution of Per- and Polyfluoroalkyl Substances in Tianjin, China: The Contribution of Emerging and Unknown Analogues
Science
10 Nov 2020 | Environ Sci Technol .
Field-derived sediment-water distribution coefficients of emerging PFAS are provided for the first time, confirming that cationic and zwitterionic PFASs tend to be strongly associated with sediments.
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Severity of COVID-19 at elevated exposure to perfluorinated alkylates
Science
9 Nov 2020 | medRxiv
Elevated plasma-PFBA concentrations were associated with an increased risk of a more severe course of COVID-19
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Trends and Patterns of Perfluoroalkyl Substances in Blood Plasma Samples of Bald Eagle Nestlings in Wisconsin and Minnesota, USA
Science
3 Nov 2020 | Environ. Toxicol. Chem.
PFAS concentrations in nestlings were found to depend on proximity to industrial areas and age.
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From Waste Collection Vehicles to Landfills: Indication of Per- and Polyfluoroalkyl Substance (PFAS) Transformation
Science
3 Nov 2020 | ES&T L
Leachate from waste collection vehicles was tested and found to contain PFAS precursors suggesting precursor transformation to PFAAs during the course of landfill disposal.
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Deterministic risk assessment of firefighting water additives to aquatic organisms
Science
3 Nov 2020 | Ecotoxicology
This study investigated the toxicity of six firefighting PFAS additives: Eco-Gel™, Thermo-Gel™, FireAde™, Fire-Brake™, Novacool Foam™, and F-500™ to aquatic biota.
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Targeted Minnesota site-specific criteria for PFOS
Policy
3 Nov 2020
The fish tissue maximum concertation is 0.37 ng/g and the maximum water concertation is 0.05 ng/L.
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Remediation of poly- and perfluoroalkyl substances (PFAS) contaminated soils - To mobilize or to immobilize or to degrade?
Science
3 Nov 2020 | J Hazard Mater
In this review, remediation of PFAS contaminated soils through manipulation of their bioavailability and destruction is presented.