Showing 4081-4095 of 4702
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US, Japan defense officials discuss how to address chemical contamination near American bases
Policy
17 Jan 2020
During a recent meeting the officials agreed that the two governments should work together to create a task force for handling toxic chemicals.
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State orders 3M to form new plan to contain PFAS at Oakdale site after water contamination found
News
16 Jan 2020 | INFORUM
The Minnesota Pollution Control Agency has discovered that potentially harmful chemicals are still leaching into surface water from a former 3M waste disposal site in Oakdale, despite the company’s efforts to contain them.
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Communities Petition EPA to Regulate Hazardous PFAS Chemicals
Policy
16 Jan 2020
The Green Science Policy Institute is petitioning the EPA to list hundreds of PFAS (per- and polyfluorinated chemicals) as hazardous wastes under the Resource Conservation and Recovery Act (RCRA).
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LC-MS screening of poly- and perfluoroalkyl substances in contaminated soil by Kendrick mass analysis
Science
16 Jan 2020 | Anal Bioanal Chem.
A screening of four contaminated soil samples found twelve compound classes comprising more than 61 PFAS.
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PFAS concern remains high In Marinette
News
16 Jan 2020 | Milwaukee Public Media
In 2013, Johnson Controls, firefighting foam production and training facility, discovered PFAS contamination in soil and wells within its 380-acre campus. Four years later, the company reported that it believed contamination had spread outside its property.
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Acute PFOA exposure promotes epigenomic alterations in mouse kidney tissues
Science
16 Jan 2020 | Tox. Report
PFOA exposure linked to changes in kidney function which are associated with renal disease.
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FAA opens fire research facility
News
16 Jan 2020 | AVweb
The 2,500 square-foot, fully enclosed fire-test facility will “eliminate weather related variables in testing and enhance data collection capabilities” along with containing and collecting fire testing chemical byproducts and preventing contamination of the surrounding area.
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The emerging PFOS alternative OBS exposure induced gut microbiota dysbiosis and hepatic metabolism disorder in adult zebrafish
Science
16 Jan 2020 | Comp. Biochem. Physiol. C Toxicol. Pharmacol.
The PFAS alternative, sodium ρ-perfluorous nonenoxybenzene sulfonate, was found to change gut bacteria levels and negatively impact metabolism.
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Removal of poly- and perfluoroalkyl substances (PFAS) from water by adsorption: Role of PFAS chain length, effect of organic matter and challenges in adsorbent regeneration
Science
16 Jan 2020 | Water Res.
Short-chain PFAS found to absorb to organic material less efficiently making it harder to remediate from water.
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Accumulation and phytotoxicity of perfluorooctanoic acid and 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoate in Arabidopsis thaliana and Nicotiana benthamiana
Science
16 Jan 2020 | Environ. Pollut.
GenX was found to be bioaccumulative, and that accumulation likely inhibits plant growth and photosynthesis.
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Immunotoxicity and allergenic potential induced by topical application of perfluorooctanoic acid (PFOA) in a murine model
Science
16 Jan 2020 | Food Chem. Toxicol.
PFOA was found to be toxic to the immune system through skin exposure.
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Characterizing biopersistence potential of the metabolite 5:3 fluorotelomer carboxylic acid after repeated oral exposure to the 6:2 fluorotelomer alcohol
Science
15 Jan 2020 | Tox. and Applied Pharm.
The biopersistence potential was calculated for the 5:3 acid after repeated oral exposure to the parent compound, 6:2 FTOH.
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Association between serum concentrations of perfluoroalkyl substances (PFAS) and expression of serum microRNAs in a cohort highly exposed to PFAS from drinking water
Science
15 Jan 2020 | Environ. Intern.
Epigenetic mechanisms were proposed as a mode of action of PFAS toxicity in drinking water.
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Highly fluorinated chemicals in functional textiles can be replaced by re-evaluating liquid repellency and end-user requirements
Science
15 Jan 2020 | J. Cleaner Prod.
The best non-fluorinated DWRs have water repellency as good as fluorinated polymers in textiles.
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Groups calling to have PFAS listed as hazardous chemicals by the EPA
News
15 Jan 2020 | KTUU-TV
Listing under RCRA will subject the chemicals to strict storage, transfer, and disposal requirements. It would also result in the automatic designation of these chemicals as hazardous substances under the federal Superfund law, unlocking clean-up dollars to address contaminated sites.