Showing 1846-1860 of 1904
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ITRC releases PFAS technical and regulatory guidance document
News
15 Apr 2020 | Interstate Technology & Regulatory Council
The Interstate Technology & Regulatory Council published a guidance document that provides an in-depth analysis of the complex world of PFAS.
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Association between perfluoroalkyl acids and the prevalence of hypertension among US adults
Science
14 Apr 2020 | Ecotoxicol. Environ. Saf.
PFOA and PFNA displayed a J-shaped relationship with the prevalence of hypertension.
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Evaluation of residues in hen eggs after exposure of laying hens to water containing per‐ and poly‐fluoroalkyl substances
Science
13 Apr 2020 | Environ. Tox. & Chem.
There was a clear correlation between the PFAS concentrations in the drinking water of hens and those detected in the egg, which could be useful in estimating PFAS concentrations in the egg by measuring water concentrations.
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State officials release results of Alpena PFAS retesting
News
13 Apr 2020 | UpNorthLive
Two of the 19 wells tested had results above the proposed state drinking water limits. Water filters have been offered to homeowners with PFAS detections.
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Occurrence of per- and polyfluorinated compounds in paper and board packaging materials and migration to food simulants and foodstuffs
Science
8 Apr 2020 | Food Chemistry
The migration of PFAS increases with the fat content of some foodstuffs such as rice, cereal, and infant milk powder.
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Trace level analyses of selected perfluoroalkyl acids in food: Method development and data generation
Science
7 Apr 2020 | Environ. Poll.
All 53 food items from the Swedish market and developing countries were found to contain PFOA and PFOS, while 76% also contained PFHxS.
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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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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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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.