Showing 1786-1800 of 2063
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Wastewater Treatment Lagoons: Local Pathways of Perfluoroalkyl Acids and Brominated Flame Retardants to the Arctic Environment
Science
5 May 2020 | ES&T
Mass loadings to the Arctic of Canada via wastewater treatment plant effluent were estimated as 1,405 g/year for ΣPFAA.
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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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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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Ionic Fluorogels for Remediation of Per- and Polyfluorinated Alkyl Substances from Water
Science
5 May 2020 | ACS Cent Sci
A fluorinated gel was used to remediate 21 legacies and emerging PFAS from a wastewater treatment plant in North Carolina.
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Trophodynamics of Per- and Polyfluoroalkyl Substances in the Food Web of a Large Atlantic Slope River
Science
5 May 2020 | Environ. Sci. Technol.
Analyses of water, sediment, organic matter, and aquatic biota revealed that PFAS were prevalent in all food web compartments, with most detections and greatest concentrations in aquatic insects.
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CFC replacements are a source of persistent organic pollution in the Arctic
News
2 May 2020 | c&en
Analysis of ice cores shows increasing levels of three short-chain PFAS linked to CFC replacement chemicals
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Avoid the foam on Battle Creek, pollution officials say after tests find chemicals
News
1 May 2020 | TwinCities Pioneer Press
Officials haven’t determined whether the Battle Creek contamination is related to the 3M Oakdale dumpsite.
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Replace that old carpet to shield your kids from toxins
News
29 Apr 2020 | US News
If you have kids and carpets, it might be time to redecorate. Older carpets are a major source of kids' exposure to harmful chemicals known as PFAS, researchers say.
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Per- and polyfluoroalkyl substances in paired dust and carpets from childcare centers
Science
29 Apr 2020 | Chemosphere
PFASs of emerging concern significantly contributed to children's exposure.
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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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Occurrence and risk of chlorinated polyfluoroalkyl ether sulfonic acids (Cl-PFESAs) in seafood from markets in Beijing, China
Science
28 Apr 2020 | Sci. Total Environ.
A significantly positive correlation was observed between the concentrations of Cl-PFESA and PFOS in all seafood samples, indicating that they have similar sources and undergo similar environmental processes.
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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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Reducing exposure to high levels of perfluorinated compounds in drinking water improves reproductive outcomes: evidence from an intervention in Minnesota
Science
28 Apr 2020 | Environ Health
Evidence showed that filtration of drinking water containing high levels of PFAS improved reproductive outcomes.
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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.