Showing 301-315 of 390
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Foam Transition: Is it as simple as "foam out/foam in"?
News
5 Jun 2020 | The Catalyst
As an increasing number of drinking water supplies are discovered to be impacted with PFASs above levels deemed to be safe, numerous impacted communities are instigating litigation against end users and manufacturers of aqueous film forming foams and fluoroprotein foams.
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With $3 billion PFAS cleanup price tag looming, Pentagon looks to industry for ideas
News
2 Jun 2020 | Phys.org
Staring down a $3 billion—and growing—tab to clean up water sources at military installations across the country that are contaminated with cancer-causing chemicals linked to firefighting foam, the Defense Department is now in discussions with private companies about potential cleanup solutions that might reduce the cost.
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Estimating Environmental Hazard and Risks from Exposure to Per- and Polyfluoroalkyl Substances (PFAS): Outcome of a SETAC Focused Topic Meeting
Science
2 Jun 2020 | Environ. Toxicol. Chem.
A SETAC Focus Topic Meeting and workshop entitled Environmental Risk Assessment of PFAS convened 12-15 August 2019 in Durham, North Carolina, and brought together experts from around the globe to highlight recent advances in research pertinent to evaluating environmental and human health risks from exposures of PFAS.
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EPA failed to monitor GenX chemical for eight years
News
28 May 2020 | The Fayetteville Observer
The EPA’s regional office wasn’t told it was supposed to inspect the Chemours Fayetteville Works plant until the StarNews in Wilmington reported there was GenX in the Cape Fear River.
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These tiny, self-assembling traps capture PFAS
News
27 May 2020 | University at Buffalo
The iron-based tetrahedral cages capture a subset of PFAS with chains of six or more fluorinated carbon atoms, including perfluorocarboxylic acids, sulfonic acids and fluorotelomers.
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Understanding and Managing the Potential By‐Products of PFAS Destruction
Science
26 May 2020 | Ground. Mon. & Rem.
Based on the available technologies relevant to PFAS destruction, complex aqueous solutions containing high concentrations of PFAS have the potential to generate either known short-chain PFAAs or other secondary effects on water quality.
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Orange County water districts consider massive lawsuit over PFAS contamination
News
22 May 2020 | The Orange County Register
The "forever chemical" is forcing the closure of dozens of wells and increased use of more expensive imported water.
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Michigan State launches new PFAS research center
News
20 May 2020
The primary goals of the Center are to quantify exposure and risk for people, livestock, crops, fish and wildlife, to develop and test remediation strategies and technologies and to explore safer PFAS alternatives.
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Federal grand jury wraps with no criminal charges for Chemours
News
18 May 2020 | WRAL.com
The company said that, though the federal criminal case is no longer a threat, "it is not possible at this point to predict the timing, course, or outcome of all governmental and regulatory inquiries and notices and litigation."
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EPA devotes team to understanding PFAS
News
14 May 2020 | Waste Today
The PFAS Innovative Treatment Team will concentrate its efforts on how to remove, destroy and test PFAS-contaminated media and waste.
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Recent advances in the analysis of per-and polyfluoroalkyl substances (PFAS)—A review
Science
12 May 2020 | ET&I
The existing analytical techniques are summarised (since 1985 till now) for the identification and quantification of PFAS.
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In-situ Sequestration of Perfluoroalkyl Substances Using Polymer-Stabilized Powdered Activated Carbon
Science
12 May 2020 | ES&T
Experiments conducted in a model aquifer further demonstrated the potential for powdered activated carbon to be effective in situ treatment option for PFAS-impacted groundwater.
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Destruction of per- and polyfluoroalkyl substances (PFASs) in aqueous film-forming foam (AFFF) with UV-sulfite photo-reductive treatment
Science
5 May 2020 | ES&T
While UV-sulfite treatment can be useful for treating PFOS and PFOA to meet health advisory levels, remediation of the broader range of PFAS in AFFF will prove more challenging.
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Fighting PFAS with PFAS
Science
4 May 2020 | ACS Central Sci.
A strategy for removing PFAS from water with a hydrogel that contains perfluoropolyethers was proposed.
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Fluoride‐selective electrode as a tool to evaluate the degradation of PFAS in groundwater: A bench‐scale investigation
Science
27 Apr 2020 | Groundwater Mon. & Rem.
The use of a fluoride‐selective electrode to test for the presence of fluorine in groundwater was found to be a quick but inaccurate tool for the application at field sites.