Showing 1636-1650 of 2007
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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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Trends and Levels of Perfluorinated Compounds in Soil and Sediment Surrounding a Cluster of Metal Plating Industries
Science
19 Jan 2021 | Soil Sediment Contam
A slight increase was observed for PFOS and PFOA during 2016–2019 in soils around metal plating shops.
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Organic contaminants of emerging concern in leachate of historic municipal landfills
Science
19 Jan 2021 | Env. Poll.
PFAS are present in 60-year-old landfill at levels comparable to the present day.
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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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Relative Acute Toxicity of Three Per- and Polyfluoroalkyl Substances on Nine Species of Larval Amphibians
Science
19 Jan 2021 | Integr Environ Assess Manag
Our study is one of the first to report species-, developmental stage-, and compound-specific differences in sensitivity to PFAS across a wide range of amphibian species.
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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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Atmospheric particulate represents a source of C8–C12 perfluoroalkyl carboxylates and 10:2 fluorotelomer alcohol in tree bark
Science
18 Jan 2021 | Environ. Poll.
Overall, this study provides the first evidence that atmospheric particulate is an obvious source of C8–C12 PFCAs and 10:2 FTOH in tree bark.
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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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Perfluorooctane sulfonic acid (PFOS) adsorbed to polyethylene microplastics: accumulation and ecotoxicological effects in the clam Scrobicularia plana
Science
12 Jan 2021 | Mar. Environ. Res.
Low-density polyethylene microplastics and with PFOS adsorbed of two different sizes were ingested in Scrobicularia plana and was associated with oxidative stress.
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Characterizing the Air Emissions, Transport, and Deposition of Per- and Polyfluoroalkyl Substances from a Fluoropolymer Manufacturing Facility
Science
12 Jan 2021 | Environ Sci Technol
PFAS with acid functionality has higher deposition due to enhanced water solubility and pH-driven partitioning to aqueous media.
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Deterministic risk assessment of firefighting water additives to terrestrial organisms
Science
12 Jan 2021 | Environ Sci Pollut Res Int
A number of PFAS-free firefighting water additives were found to pose a hazard to terrestrial organisms based on a worst-case exposure scenario of direct application at the greatest recommended application rate for a class A fire (e.g., wood, paper).
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EPA denies petition to address PFAS
News
11 Jan 2021 | Coastal Review Online
The U.S. Environmental Protection Agency on Thursday denied the petition, by six eastern North Carolina organizations to require Chemours Co. to fund testing by independent scientists on 54 PFAS, produced at its Fayetteville Works facility.
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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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Current Contributions of Organofluorine Compounds to the Agrochemical Industry
Science
6 Jan 2021 | iScience
A database of 424 fluoro-agrochemicals was developed to better understand the role of PFAS in agriculture.
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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.