Showing 421-435 of 540
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Photodegradation of Perfluorooctanesulfonic Acid on Fe-Zeolites in Water
Science
22 Dec 2020 | Environ Sci Technol .
The presented study offers an option for a novel water remediation technology, comprising first a zeolite-based adsorption step followed by a step for photochemical regeneration of the adsorbent.
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From Alaska to Florida, Harmful PFAS Compounds Pollute Water at Multiple Sites in Every State
News
21 Dec 2020 | Eco Watch
Tom Kennedy learned about the long-term contamination of his family's drinking water about two months after he was told that his breast cancer had metastasized to his brain and was terminal.
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Photo enhanced degradation of polyfluoroalkyl and perfluoroalkyl substances
Science
16 Dec 2020 | Heliyon
High degradation and defluorination efficiency of PFAS could be achieved by photon driven processes such as photolysis, photochemical, photocatalysis, and photoreduction.
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EPA Issues Interim Strategy for Addressing PFAS in Wastewater Permits
Policy
8 Dec 2020
The interim strategy makes a number of recommendations for the consideration of PFAS in the NPDES permit program.
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State testing private wells in Fairfield for PFAS contamination
News
5 Dec 2020 | Maine Public Radio
The presence of two kinds of PFAS chemicals in the wells may be related to the spread of sludge as fertilizer on fields.
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Groundwater contamination by fluorinated aromatics: benzotrifluoride and its derivatives
Science
2 Dec 2020 | Chemosphere
After >40 years, benzotrifluorides are still present in the μg L-1 concentration range in groundwater.
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Desorption of Poly-and Perfluoroalkyl Substances from Soil Historically Impacted with Aqueous Film-Forming Foam
Science
1 Dec 2020 | J Env Eng
Short-chain PFAS were found to remain in soils and not diffuse into the water as readily as long-chain counterparts.
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Polymer-coated electrode detects PFAS in water
News
25 Nov 2020 | C&EN
Instead of bringing water samples back to the lab for analysis, researchers would like to have a continuous field monitor. ”We knew that electrochemistry potentially would be sensitive and selective enough to detect PFAS, and it’s rather inexpensive,” Dick says.
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Contaminants in NJ soil and water are toxic, documents reveal
News
25 Nov 2020 | The Intercept
Solvay had previously withheld information about the PFAS chemicals on the grounds that it was “confidential business information.”
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Assessing Human Health Risks from Per- and Polyfluoroalkyl Substance (PFAS)-Impacted Vegetable Consumption: A Tiered Modeling Approach.
Science
25 Nov 2020 | Environ Sci Technol
A hazard analysis based on real-world PFAS-contaminated groundwater data found that water-to-crop transfer is an important exposure pathway for communities with PFAS-impacted irrigation water.
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PFAS Thermal Destruction at Wastewater Treatment Facilities: A State of the Science Review
Science
24 Nov 2020 | Water
This review covers available research on the fate of PFAS through incineration systems with a focus on sewage sludge incinerators.
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Perfluoroalkyl acids in rapidly developing coastal areas of China and South Korea: Spatiotemporal variation and source apportionment
Science
24 Nov 2020 | Sci Total Environ
Results of this study provide novel insights into elucidating the spatiotemporal distribution and complicated sources of PFASs over a large area and provide a clear message for all stakeholders, water and coastal managers, and scientists.
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Rapid Characterization of Emerging Per- and Polyfluoroalkyl Substances in Aqueous Film-Forming Foams Using Ion Mobility Spectrometry-Mass Spectrometry
Science
24 Nov 2020 | Environ Sci Technol
Using analytical chemistry techniques PFAS in AFFF were rapidly characterized.
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[Informational Webinar] EPA's Innovative Ways to Destroy PFAS Challenge
Events
23 Nov 2020
EPA is partnering with the other stakeholders, to co-sponsor a technical challenge regarding the destruction of PFAS. The challenge asks solvers to submit detailed plans for a non-thermal way of destroying PFAS in AFFF, while creating the least amount of potentially harmful byproducts with a $50,000 prize.
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Newly released data disclose Navy knew of toxic PFAS chemicals in groundwater at Grumman ‘fence line’ in 2016
News
21 Nov 2020 | Riverhead Local
The Navy had not previously disclosed the data on PFAS chemicals in samples taken at the fence line system dating back to December 2017 — and in one instance, September 2016.