Showing 3031-3045 of 3593
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Risk Assessment of Per- and Polyfluoroalkyl Substances (PFASs) Mixtures: A Relative Potency Factor Approach
Science
4 Aug 2020 | Environ. Toxicol. Chem.
The toxicity of PFAS mixtures was investigated to determine the combined health effects in humans.
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PFOS-induced placental cell growth inhibition is partially mediated by lncRNA H19 through interacting with miR-19a and miR-19b
Science
4 Aug 2020 | Chemosphere
PFOS exposure was associated with decreased production of human placenta cells.
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Effect of prenatal exposure to per- and polyfluoroalkyl substances on childhood allergies and common infectious diseases in children up to age 7 years: The Hokkaido study on environment and children's health
Science
3 Aug 2020 | Environ Int
PFAS was found to suppress and change the immune systems of children making them more susceptible to disease and allergies.
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Settlement with DuPont likely on PFAS liability, Chemours says
News
31 Jul 2020 | Bloomberg Law
The Chemours Co. and DuPont likely will reach a settlement in a lawsuit where Chemours claims its former parent saddled it with millions of dollars to clean upper- and polyfluoroalkyl substances, or PFAS, in the environment, the company’s chief executive officer said Friday.
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New York Legislature approves bill to ban PFAS in food containers
Policy
28 Jul 2020
In what may be the latest battlefront over potentially toxic PFAS chemicals in the environment, the state Legislature has approved a bill that would ban using the substances in food packaging.
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A profile analysis with suspect screening of per- and polyfluoroalkyl substances (PFASs) in firefighting foam impacted waters in Okinawa, Japan
Science
28 Jul 2020 | Water Res.
Drinking water treatment processes were found to form PFOS from their precursors.
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Serum levels of per- and polyfluoroalkyl substances alternatives and blood pressure by sex status: Isomers of C8 health project in China
Science
28 Jul 2020 | Chemosphere
Alternatives to legacy PFAS were found to increase the blood pressure and the odds ratio of hypertension.
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Maternal plasma concentrations of perfluoroalkyl and polyfluoroalkyl substances during pregnancy and anogenital distance in male infants
Science
28 Jul 2020 | Hum Reprod
Male infants were found to have physical abnormalities possibly associated with PFAS exposure.
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Evaluation of Maternal, Embryo, and Placental Effects in CD-1 Mice following Gestational Exposure to Perfluorooctanoic Acid (PFOA) or Hexafluoropropylene Oxide Dimer Acid (HFPO-DA or GenX)
Science
28 Jul 2020 | Environ Health Perspect
Exposure to GenX and PFOA was associated with similar health effects in developing fetuses.
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3M-Decatur enters into consent order with state to clean up industrial pollutants
News
26 Jul 2020 | Times Daily
3M Co. has entered into a consent order with the Alabama Department of Environmental Management that requires the company to clean up "forever chemicals" from its Decatur plant and from numerous waste sites in Morgan and Lawrence counties, ADEM announced today.
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With ‘trepidation,’ Michigan settles Wurtsmith PFAS cleanup dispute
News
26 Jul 2020 | MLive
A major bone of contention has been around the Air Force’s reluctance to comply with a low, 12 ppt state cleanup threshold for PFOS at the point where contaminated groundwater vents to surface water bodies.
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New Michigan PFAS rules set to take effect Aug. 3, among nation’s strictest
News
23 Jul 2020 | The Detroit News
The rules set maximum contaminant levels at 6 ppt for PFNA; 8 ppt for PFOA; 400,000 ppt for PFHxA; 16 ppt for PFOS; 51 ppt for PFHxS; 420 ppt for PFBS and 370 ppt for HFPO-DA or Gen X.
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Study: Novel PFAS comprise 24% of those measured in blood of Wilmington, N.C. residents
News
23 Jul 2020 | NC State News
The fluoroethers – Nafion byproduct 2, PFO4DA and PFO5DoA – these are the first measurements of these chemicals in humans. Two other fluoroethers, PFO3OA and NVHOS, were infrequently detected. Nearly all samples had at least one fluoroether present, but GenX was not found in any samples.
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PFAS in German children: Human biomonitoring data highlight urgent need for group restriction
News
23 Jul 2020 | CHEM Trust
One-fifth of the participants had levels of the PFAS chemical PFOA in their blood that exceeded the HBM-I-value, which indicates an exposure at which harmful effects cannot be excluded.
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Per- and polyfluoroalkyl substances in ducks and the relationship with concentrations in water, sediment, and soil
Science
22 Jul 2020 | Environ. Toxicol. Chem.
Elevated PFOS and PFOS+PFHxS concentrations in ducks were observed near local point-sources, but also at wetlands with no known point-sources of contamination.