Showing 466-480 of 504
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Adsorption behaviour and mechanism of the PFOS substitute OBS (sodium p-perfluorous nonenoxybenzene sulfonate) on activated carbon
Science
13 Oct 2019 | R Soc Open Sci.
Sodium p-perfluorous nonenoxybenzene sulfonate, an alternative to PFOS, was efficiently removed using activated carbon.
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Fate of Per- and Polyfluoroalkyl Ether Acids in the Total Oxidizable Precursor Assay and Implications for the Analysis of Impacted Water
Science
13 Oct 2019 | ACS Pub.
Using advanced techniques, scientists accurately determined the presence of previously undetectable PFAS and predicted the exposure of decades past.
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Superhydrophobic and oleophobic ultra-fine dry chemical agent with higher chemical activity and longer fire-protection
Science
8 Oct 2019 | Journ. of Haz. Mat.
A new method for preventing the re-ignition of pool fires was developed.
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A mortality study on male subjects exposed to polyfluoroalkyl acids with high internal dose of perfluorooctanoic acid
Science
23 Sep 2019 | Environ Res.
High occupational exposure to PFAS correlated to a higher probability of mortality from liver cirrhosis and liver cancer.
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3M to halt production of undisclosed chemicals at Decatur plant
News
19 Sep 2019 | to WHNT News 19
3M indicated in a statement to to WHNT News 19: "we have elected to temporarily idle certain manufacturing processes. We will resume these processes as soon as practicable.”
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Colorado ramps up response to toxic “forever chemicals” after discovery of hot spots across metro Denver
News
13 Sep 2019 | The Denver Post
Groundwater tests over the past year have detected high levels of toxic “forever chemicals” across the Denver metro area, contamination that’s both wider and more severe than previously known.
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Massachusetts Gov. Charlie Baker proposes funding to address PFAS problem
News
6 Sep 2019 | MassLive
The Massachusetts Department of Environmental Protection could get $8.4 million to step up well water testing in search of PFAS contamination... Some of the money could also be used for point-of-consumption remediation efforts.
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New Hampshire bans PFAS in firefighting foam
Policy
4 Sep 2019
New Hampshire has banned firefighting foams containing perfluoroalkyl chemicals.
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Spatiotemporal distribution and isomer profiles of perfluoroalkyl acids in airborne particulate matter in Chengdu City, China
Science
3 Sep 2019 | Sci. of Total Env.
PFNA was the dominate airborne PFAS in spring while PFOA dominated winter, summer, and autumn months.
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Combined spatial and retrospective analysis of fluoroalkyl chemicals in fluvial sediments reveal changes in levels and patterns over the last 40 years
Science
28 Aug 2019 | Env. Poll.
PFAS contamination from 1984-2013 was mapped using river sediment to understand long term pollution patterns due to changes in manufacturing.
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Can biochar and designer biochar be used to remediate per- and polyfluorinated alkyl substances (PFAS) and lead and antimony contaminated soils?
Science
13 Aug 2019 | Science of Total Envionment
Coconut based biochars linked to efficient PFAS remediation in soils.
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New Mexico Governor says EPA abandoned state in fight against toxic 'forever chemicals'
News
7 Aug 2019 | The Hill
New Mexico sued the Air Force for PFAS contamination in March, and Lujan Grisham’s letter criticizes EPA for reneging on a promise from Wheeler to help the state “with legal and technical assistance in a confidential manner.” “Providing fact sheets and offering webinars are not meaningful,” she wrote.
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DuPont says N.J. toxic mess caused by U.S. government ordering chemicals for WW1 and WW2
News
5 Aug 2019 | NJ Advance Media
In court filings, the company says the federal government ordered millions of pounds of chemicals to be produced at four sites across New Jersey during the two World Wars. Because that work was done under a federal contract, DuPont argues that it does not have liability in recent lawsuits filed against the company by New Jersey Attorney General Gurbir Grewal.
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Next President must address water crisis
News
1 Aug 2019 | The Detroit News
While they are in our state, the presidential candidates will be surrounded by the Great Lakes. But despite being surrounded by the world’s largest freshwater supply in the world, the sad irony is that right now in Michigan, many families don’t have access to clean drinking water in their homes.
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Vertical distribution of perfluoroalkyl substances in water columns around the Japan sea and the Mediterranean Sea
Science
30 Jul 2019 | Chemosphere
A significant increase in PFAS levels was found in the semi-closed ocean waters from 2005 to 2010.