Showing 226-240 of 358
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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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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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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.
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State tightens contamination levels; SCV Water sets up testing
News
23 Aug 2019 | The Santa Clarita Valley Signal
The updated state [California] guidelines lower the current notification level from 14 ppt to 5.1 ppt for PFOA and from 13 ppt to 6.5 ppt for PFOS.
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California OEHHA's notification level recommendations for PFOA & PFOS
Policy
23 Aug 2019
OEHHA is recommending that the State Water Resources Control Board set the notification levels for PFOA and PFOS at the lowest levels at which they can be reliably detected in drinking water using currently available and appropriate technologies.