Showing 1486-1500 of 1559
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Ice core record of persistent short‐chain fluorinated alkyl acids: Evidence of the impact from global environmental regulations
Science
5 May 2020 | Geophy. Res. L
Fluorotelomer degradation may contribute to the deposition of PFBA in Arctic ice.
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Incinerators may spread, not break down PFAS
News
28 Apr 2020 | C&EN
New data suggest that commercial incineration of per- and polyfluoroalkyl substances (PFAS) doesn’t break down these hardy chemicals. Instead, it spreads them into surrounding areas.
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Thermal Stability and Decomposition of Perfluoroalkyl Substances on Spent Granular Activated Carbon
Science
28 Apr 2020 | Environ. Sci. & Tech. Letters
The temperature needed to degrade PFCAs thermally increased with the number of perfluorinated carbons.
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Worldwide bottled water occurrence of emerging contaminants: A review of the recent scientific literature
Science
28 Apr 2020 | J. Hazard. Mater.
A review of available scientific literature concerning PFAS found in packaged water bottles.
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Examining NTA performance and potential using fortified and reference house dust as part of EPA's Non-Targeted Analysis Collaborative Trial (ENTACT)
Science
28 Apr 2020 | Anal Bioanal Chem
Precursors to PFOS and PFHxS were found in standard reference material dust (SRM 2585) which is used to determine contaminants in house dust.
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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.
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Detecting toxic PFAS with a chip-sized sensor
News
22 Apr 2020 | Pacific Northwest National Laboratory (PHYS.org)
The device can provide real time, point-of-use measurement data for PFOS at 0.5 ppt and the research team is working to extend this technology to detect other PFAS including PFOA, PFBA, PFBS, and GenX.
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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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Indoor exposure to per-and polyfluoroalkyl substances (PFAS) in the childcare environment.
Science
14 Apr 2020 | Environ. Poll.
Daily intake of neutral PFAS in the childcare environment via dust ingestion was accounted for 75% of the total PFAS intake.
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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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Bioavailability and bioaccumulation of 6:2 fluorotelomer sulfonate, 6:2 chlorinated polyfluoroalkyl ether sulfonates and perfluorophosphinates in a soil-plant system
Science
7 Apr 2020 | J. Agric. Food Chem.
Novel PFASs with higher hydrophobicity were more easily held in the soil and plant shoots.
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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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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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Northeast Conference on the Science of PFAS: Public Health & the Environment
Events
31 Mar 2020
NEWMOA, in collaboration with others, has organized a conference to ensure that action to address PFAS contamination is informed by the most current and reliable science. There is also an open call for conference presenters, posters, and sponsors.