Showing 1666-1680 of 1718
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How long will it take to rid PFAS from private wells?
News
7 Apr 2020 | North Carolina Health News
Figures from the state Department of Environmental Quality show that, as of mid-February, more than 2,500 homes in the contaminated area have qualified for water filtration systems provided by Chemours.
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Novel and legacy poly- and perfluoroalkyl substances (PFASs) in indoor dust from urban, industrial, and e-waste dismantling areas: The emergence of PFAS alternatives in China
Science
6 Apr 2020 | Environ. Poll.
6:2 Cl-PFESA, 8:2 Cl-PFESA, and PFOS were found throughout all areas sampled with high composition profiles of short-chain PFAS (C4-C7) indicating an ongoing shift to short-chain alternatives in China.
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Are (fluorinated) ionic liquids relevant environmental contaminants? High-resolution mass spectrometric screening for per- and polyfluoroalkyl substances in environmental water samples led to the detection of a fluorinated ionic liquid
Science
6 Apr 2020 | Analytical and Bio. Chem.
An investigation was conducted into the gap between the amount of fluorine originating from known PFAS and the total adsorbable organically bound fluorine was explored in surface waters.
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Ohio EPA suspends testing drinking water for ‘forever chemicals’ amid COVID-19 concerns
News
2 Apr 2020 | Dayton Daily News
PFAS-based foams were formerly used at the city of Dayton Fire Training Center and at Wright-Patterson Air Force Base. Both sites are located above the aquifer that supplies the region’s drinking water.
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Spatiotemporal analysis of perfluoroalkyl substances in White-tailed eagle nestlings from northern Norway - a ten-year study
Science
1 Apr 2020 | Environ. Sci. Technol.
PFOS and PFHxS concentrations decreased over time, and ≥C11 perfluorinated carboxylic acids only seem to level-off during the last four years in eagle populations.
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Supervised machine learning for source allocation of per- and polyfluoroalkyl substances (PFAS) in environmental samples
Science
31 Mar 2020 | Chemosphere
Computer learning was used to determine the original source of PFAS pollution.
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Chemours: Thermal oxidizer destroys PFAS by 99.99 percent
News
30 Mar 2020 | WWAY
Testing was conducted by Chemours, and monitored by the North Carolina Division of Air Quality in January and February, following successful start-up of the thermal oxidizer in December of 2019.
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Exposure sources of perfluoroalkyl acids and influence of age and gender on concentrations of chlorinated polyfluorinated ether sulfonates in human serum from China.
Science
24 Mar 2020 | Environ Int
The primary source of PFCAs and PFSAs in human serum was found to be through direct exposure.
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Intrauterine exposure to perfluorinated compounds and overweight at age 4: A case-control study
Science
24 Mar 2020 | PLoS ONE
There was no association between PFAS exposure in early pregnancy and overweight children at age 4.
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Metals and PFAS in stormwater and surface runoff in a semi-arid Canadian city subject to large variations in temperature among seasons
Science
24 Mar 2020 | Environ Sci Pollut Res Int
The mean sum of PFAS in stormwater was 9.0 ng L in the North American prairie towns.
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Public Health Assessment of and Response to Perfluorooctanoic Acid in Drinking Water, Bennington, Vermont
Science
23 Mar 2020 | J of Environ. H.
The public health measures taken in response to PFOA contamination are reviewed as potential actions to future PFAS pollution.
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Fluorine Mass Balance and Suspect Screening in Marine Mammals from the Northern Hemisphere
Science
17 Mar 2020 | Environ. Sci. Technol.
Novel PFAS was found in polar bears and large marine mammals and characterized through a multi-platform approach.
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A Pilot Study of the Fluorinated Ingredient of Scotchgard Products and Their Levels in WWTP Sludge and Landfill Leachate from Sweden
Science
16 Mar 2020 | DiVA
For both the sludge and leachate samples, the quantified levels of Pre-2002 and Post-2002 only contributed to a minor part of the extractable organofluorine.
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DOD releases PFAS task force progress report
Policy
13 Mar 2020
Concurrent with the release of the report, the department is releasing a consolidated inventory of 651 DOD and National Guard installations where the department is performing an assessment of PFAS use or potential release.
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Environmental contamination and human exposure to PFASs near a fluorochemical production plant: Review of historic and current PFOA and GenX contamination in the Netherlands
Science
3 Mar 2020 | Environ Int
This paper provides a comprehensive overview of PFOA and GenX contamination close to point sources in the Netherlands.