Showing 1546-1560 of 1831
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PFAS-free firefighting foams: Are they safer?
News
18 May 2020 | Environmental Health News
There are between 30 and 35 manufacturers of PFAS-free foams worldwide, marketing more than 100 PFAS-free foams. In January, Clean Production Action launched the first eco-label certification program for PFAS-free firefighting foams.
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Swapping CFCs for other chemicals may have led to contaminated food
News
16 May 2020 | Brinkwire
A recent study emphasizes the importance of properly studying the replacement compounds to catch any problems before they can adversely impact human health and the environment.
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Ozone layer: Concern grows over threat from replacement chemicals
News
14 May 2020 | BBC News
Canadian researchers, studying ice samples from the Arctic dating back to the 1990s, have found "dramatically" increasing levels of ozone replacements called short chain perfluoroalkyl carboxylic acids (scPFCAs).
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EPA devotes team to understanding PFAS
News
14 May 2020 | Waste Today
The PFAS Innovative Treatment Team will concentrate its efforts on how to remove, destroy and test PFAS-contaminated media and waste.
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Long-term investigation on the removal of perfluoroalkyl substances in a full-scale drinking water treatment plant in the Veneto Region, Italy
Science
12 May 2020 | Sci. of the Total Envir.
A granular activated carbon system was studied for five years in Italy to determine various PFAS breakthrough behaviors.
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In-situ Sequestration of Perfluoroalkyl Substances Using Polymer-Stabilized Powdered Activated Carbon
Science
12 May 2020 | ES&T
Experiments conducted in a model aquifer further demonstrated the potential for powdered activated carbon to be effective in situ treatment option for PFAS-impacted groundwater.
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An (Eco)Toxicity Life Cycle Impact Assessment Framework for Per- And Polyfluoroalkyl Substances
Science
12 May 2020 | Environ. Sci. Technol.
Even at low levels, PFAS can still have significant life cycle effects.
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Uptake of perfluorooctane sulfonate (PFOS) by common home-grown vegetable plants and potential risks to human health
Science
11 May 2020
The daily intake rates of PFOS via vegetable consumption were found higher than the tolerable daily intake for children of age 2-6 years as per Food Standards Australia New Zealand.
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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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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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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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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.