Showing 256-270 of 816
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Cross-Flow Treatment of PFAS in Water: Materials Challenges and Potential Solutions
Science
23 Feb 2021 | Acc. Mater. Res.
Thin-film composite membranes have shown highly efficient in removing PFAS from contaminated water.
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Environmental occurrence and biotransformation of perfluoroalkyl carboxylic acid precursors: Fluorotelomer alcohols
Science
23 Feb 2021 | Env. Chem.
In this paper, the sources and physicochemical properties of FTOHs were introduced, the analytical methods and environmental occurrence of FTOHs were reviewed, and the biotransformation processes and toxic mechanisms of FTOHs were analyzed.
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Temporal Trends of Per- and Polyfluoroalkyl Substances in Delaware River Fish, USA
Science
23 Feb 2021 | Integr Environ Assess Manag
Significant decreases in PFNA and PFUnA concentrations were observed in fish fillet from the tidal river during the timeframe of the study, changes in concentrations of other PFAS in tidal and nontidal fish were less substantial.
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Evaluation of published bioconcentration factor (BCF) and bioaccumulation factor (BAF) data for per- and polyfluoroalkyl substances across aquatic species
Science
23 Feb 2021 | Environ Toxicol Chem
In general, carbonyl and sulfonyl PFAS classes are relatively data-rich while phosphate, fluorotelomer, and ether PFAS classes are data-limited for fish and nonexistent for most other taxonomic classes.
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Gillibrand, Rep. Maloney Announce Bill To Protect Firefighters From PFAS
Policy
22 Feb 2021
New York U.S. Senator Kirsten Gillibrand and Congressman Sean Patrick Maloney were in Newburgh Monday announcing legislation to protect firefighters from PFAS.
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Regulating PFAS as a Chemical Class under the California Safer Consumer Products Program
Science
22 Feb 2021 | Environ Health Perspect
In this commentary, we present the rationale adopted by the State of California's DTSC for regulating PFAS as a class in certain consumer products.
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Per- and polyfluoroalkyl substances (PFAS) in livestock and game species: a review
Science
17 Feb 2021 | Sci. Total Environ.
A compilation of information from livestock and game species as a source of PFAS exposure to humans and discusses toxicokinetics and health effects in animals.
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Per- and Polyfluoroalkyl Substances in Human Serum Samples of Selected Populations from Ghana
Science
17 Feb 2021 | Int J Environ Res Public Health
PFOS, PFHxS, PFHpS, and PFDA were found in the general public and electronic repair workers.
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Degradation of perfluoroheptanoic acid in water by electron beam irradiation
Science
16 Feb 2021 | Environ. Chem. Lett.
PFHpA was successfully degraded using electron beam irradiation leading researchers to believe that it may be a promising technique against other short-chain PFAS.
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Uptake and translocation of perfluoroalkyl acids by hydroponically grown lettuce and spinach exposed to spiked solution and treated wastewaters
Science
16 Feb 2021 | Sci Total Environ
Significant associations exist between PFAS exposure and individual components of Metabolic syndrome, mainly elevated blood pressure and fat in the blood.
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The Price of Really Clean Water: Combining Nanofiltration with Granular Activated Carbon and Anion Exchange Resins for the Removal of Per- And Polyfluoralkyl Substances (PFASs) in Drinking Water Production
Science
15 Feb 2021 | ACS ES&T Water
An analysis of nanofiltration for PFAS removal during drinking water treatment as well as the mechanistic and economic aspects of nanofiltration treatment and the management of the resulting concentrate.
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Poly- and perfluorinated substances in environmental water from the Hartbeespoort and Roodeplaat Dams, South Africa
Science
15 Feb 2021 | Water SA
PFAS concentrations in the present study are comparable to those reported in other parts of South Africa, and also Ghana, higher than the concentrations reported in Uganda, Singapore, and Vietnam, and lower than those in Germany, Japan, and China.
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$4 billon settlement to protect Chemours, DuPont, Corteva against legacy PFAS liabilities
Policy
13 Feb 2021
DuPont, Chemours and Corteva reached the agreement in 2020 and made the announcement three weeks into the new year. It attempts to protect all three against “potential legacy PFAS liabilities,” a joint statement from the three CEOs says.
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EPA PFAS Regulations: “PFAS A Priority” Says Incoming Administrator
Policy
9 Feb 2021
While Mr. Regan was questioned on many topics during his hearing, his statements supported two key points that we have been predicting for several months: (1) that Biden’s EPA will place top priority on PFAS and (2) that the EPA’s PFAS regulations under the Safe Drinking Water Act are coming – soon.
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Per- and polyfluoroalkyl substances in surface water, gas and particle in open ocean and coastal environment
Science
9 Feb 2021 | Chemosphere
Regional comparison of air/water properties of PFAS in the oceanic environment indicated potential partitioning of ionic PFAS between surface seawater and oceanic air.