Showing 166-180 of 433
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Predicting the risk of GenX contamination in private well water using a machine-learned Bayesian network model
Science
19 Jan 2021 | J. of Haz. Mat.
Modeling predicts that atmospheric deposition rate is the most important factor influencing risk.
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Human Biomonitoring (HBM)-I values for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) - description, derivation and discussion
Science
19 Jan 2021 | Regul Toxicol Pharmacol
Evidence for associations between PFOA- and PFOS-exposure was found for a wide range of health outcomes depending on total body burden.
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Health and social concerns about living in three communities affected by per- and polyfluoroalkyl substances (PFAS): A qualitative study in Australia
Science
19 Jan 2021 | PLoS One
We describe residents' perceptions and experiences of PFAS in three regional Australian towns where exposure has occurred.
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Chronic exposure to PFO4DA and PFO5DoDA, two perfluoroalkyl ether carboxylic acids (PFECAs), suppresses hepatic stress signals and disturbs glucose and lipid metabolism in male mice
Science
19 Jan 2021 | J Hazard Mater
Chronic PFO4DA and PFO5DoDA exposure lead to endocrine disruption and basic metabolism.
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Notice of Availability for Public Comment: Interim PFAS Destruction and Disposal Guidance
Policy
12 Jan 2021
The EPA is requesting public comment on its recently published Interim PFAS Destruction and Disposal Guidance.
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Effectiveness of household water purifiers in removing perfluoroalkyl substances from drinking water
Science
12 Jan 2021 | Environ Sci Pollut Res Int
Household water purifiers are effective in decreasing the exposure to PFAS through drinking water, with higher efficiency in longer-chains.
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Per- and polyfluoroalkyl substances (PFASs) in Chinese drinking water: risk assessment and geographical distribution
Science
11 Jan 2021 | Environ. Sci. Eur.
The PFAS concentrations reported in more than 20% of the studied cities, likely affecting 98.5 million people, were above the maximum contaminant level issued by Vermont in 2019.
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Per- and polyfluoroalkyl substances and their alternatives in black-tailed gull (Larus crassirostris) eggs from South Korea islands during 2012-2018
Science
6 Jan 2021 | J Hazard Mater
Significant increasing temporal trends were observed for PFOS, PFNA, and F-53B suggesting continuous use or accumulation of these in the Korean environment.
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Perfluorooctanesulfonic Acid Detection Using Molecularly Imprinted Polyaniline on a Paper Substrate
Science
4 Jan 2021 | Sensors (Basel)
A low-cost electrical paper sensor was developed to have excellent sensitivity and selectivity provides the potential for large-scale monitoring of wastewater.
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Spatial Trends of Anionic, Zwitterionic, and Cationic PFASs at an AFFF-Impacted Site
Science
29 Dec 2020 | Environ Sci Technol
Precursor compounds may create long-term sources of perfluoroalkyl acids, although many pathways remain unknown; precursor analysis is critical for PFAS fate and transport understanding.
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Dual-Functional Phosphorene Nanocomposite Membranes for the Treatment of Perfluorinated Water: An Investigation of Perfluorooctanoic Acid Removal via Filtration Combined with Ultraviolet Irradiation or Oxygenation
Science
29 Dec 2020 | Membranes
The removal of PFOA accumulated on the membrane surface achieved 99% after the membranes were treated with ultraviolet light and liquid aerobic oxidation.
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Parallel study on removal efficiency of pharmaceuticals and PFASs in advanced water treatment processes: Ozonation, GAC adsorption, and RO processes
Science
29 Dec 2020 | Env. Eng. Res.
Chemically persistent PFASs were hardly removed by the ozonation process but were effectively removed by physical treatments such as GAC adsorption and RO membrane processes.
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Prenatal Exposure to Per- and Polyfluoroalkyl Substances, Umbilical Cord Blood DNA Methylation, and Cardio-Metabolic Indicators in Newborns: The Healthy Start Study.
Science
29 Dec 2020 | Environ Health Perspect
DNA methylation in umbilical cord blood was associated with maternal serum PFAS concentrations during pregnancy, suggesting potential associations with offspring growth, metabolism, and immune function.
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Nonstick pans often don't note they use PFAS
News
28 Dec 2020 | NPR
A Michigan-based environmental group has found many nonstick pans are coated with a chemical from the PFAS family
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The new generation PFAS C6O4 does not produce adverse effects on thyroid cells in vitro
Science
22 Dec 2020 | J Endocrinol Invest
PFAS C6O4 was found to not significantly impair thyroid cells in a non-systemic study.