Showing 961-975 of 1095
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Companies deny responsibility for toxic ‘forever chemicals’ contamination
News
11 Sep 2019 | The Guardian
The 3M Company, the Chemours Company and DuPont appeared before lawmakers over PFAS. Denise Rutherford, senior vice-president of corporate affairs for 3M, argued the chemicals pose no human health threats at current levels and have no victims, conflicting with a large body of research and 3M’s own internal documents.
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Perfluoroalkyl acids (PFAAs) in children’s serum and contribution from PFAA contaminated drinking water
Science
10 Sep 2019 | ACS Pub.
Total nursing time was associated with PFAS levels in children up to 4 years old.
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An investigation into per- and polyfluoroalkyl substances (PFAS) in nineteen Australian wastewater treatment plants (WWTPs)
Science
10 Sep 2019 | Heliyon
6:2 FTS and other PFAS were found to dominate Australian wastewater.
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Rapid removal of poly- and perfluorinated compounds from investigation- derived waste (IDW) in a pilot-scale plasma reactor
Science
9 Sep 2019 | Environ. Sci. Technol.
PFAS were removed with up to 99% efficiency in well water.
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At Michigan schools, urgent PFAS response no guarantee
News
5 Sep 2019 | MLive
The state tested about 1,380 public water systems and 460 schools, daycares and Head Start centers on well water. However the State currently lacks authority to force schools to take any measures.
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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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Denmark just became the first country to ban PFAS 'forever chemicals' from food packaging
News
4 Sep 2019 | CNN
Under Denmark's new regulation food packaging, for example, baking paper, and microwave popcorn bags will be required to be manufactured without any PFAS.
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Elucidating the fate of perfluorooctanoate sulfonate using a rainbow trout (Oncorhynchus mykiss) physiologically-based toxicokinetic model
Science
4 Sep 2019 | Sci. Total Environ.
PFAS was traced throughout the body of rainbow trout to determine distribution and routes of elimination.
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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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Reusable Functionalized Hydrogel Sorbents for Removing Long- and Short-Chain Perfluoroalkyl Acids (PFAAs) and GenX from Aqueous Solution
Science
3 Sep 2019 | ACS
New reusable filtration methods were developed to remediate PFAS-contaminated water.
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PFAS toxins found in drinking water throughout Southern California
News
3 Sep 2019 | The Orange County Register
Wells of nearly two dozen Southern California water agencies have reportable levels of PFAS, a chemical family increasingly linked to cancer, liver and kidney damage, thyroid disease, high cholesterol, low fertility, low birth weight and ulcerative colitis.
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University study questions safety of GenX-like chemicals
News
30 Aug 2019 | The Fayetteville Observer
The study found that various short-chain PFAS chemicals are widely detected in drinking water supplies. It also found that chemicals may harm both human and ecosystem health and that existing drinking water treatment approaches for the removal of long-chain PFAS are less effective for short-chain PFAS chemicals.
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Documents show 3M knew of dangers of PFAS chemicals, activist group says
News
28 Aug 2019 | Star Tribune
The Environmental Working Group released 20 3M documents as part of a timeline that demonstrate that the company knew for decades about and hid the dangers of PFAS... The earliest document dates to 1950.
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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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Global Priority Perfluoroalkyl Substances in Surface Waters:Establishing Baseline Levels on Regional Basis
Science
28 Aug 2019 | DiVA
Baseline levels of PFAS were determined worldwide to understand fluctuating contamination.