Showing 4306-4320 of 4789
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Occurrence and source apportionment of perfluoroalkyl acids (PFAAs) in the atmosphere in China
Science
12 Nov 2019 | Atmos. Chem. and Phy.
In a nationwide geographical study researchers found seasonal trends in PFAS concentrations, especially in summer months centering around the Henan province.
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Distribution of perfluoroalkyl substances (PFASs) in aquatic plant-based systems: From soil adsorption and plant uptake to effects on microbial community
Science
12 Nov 2019 | Environ. Poll.
Short-chain PFAS found to travel throughout common wetland plants while long-chain accumulated in roots, both disturbing microbial communities.
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Perfluoroalkyl Substances in Drinking Water, Indoor Air and Dust from Ireland: Implications for Human Exposure
Science
11 Nov 2019 | Environ. Sci. & Tech.
PFAS was detected in the air inside cars, school classrooms, and drinking water.
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Exposure to per- and polyfluoroalkyl substances in association with autism spectrum disorder: a case-control study
Science
11 Nov 2019 | Environ. Epi.
In utero exposure or a child’s early life, exposure to PFAS might increase the risk of Autism Spectrum Disorder.
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Half-lives of PFOA, PFPeS, PFHxS, PFHpS and PFOS after end of exposure to contaminated drinking water
Science
11 Nov 2019 | Environ. Epi.
Carbon length found to affect the half-life of various PFAS in humans.
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Toxicokinetics of perfluorohexanoic acid (PFHxA), perfluorooctanoic acid (PFOA) and perfluorodecanoic acid (PFDA) in male and female Hsd:Sprague dawley SD rats following intravenous or gavage administration
Science
11 Nov 2019 | Xenobiotica
Male and female rats were found to have different abilities to pass PFAS through their bodies.
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[Public comment] California DTSC: Proposal to List Treatments Containing PFASs for Use on Converted Textiles or Leathers as Priority Products
Policy
8 Nov 2019
California's DTSC is seeking public comments on the proposal to regulate treatments containing PFAS for use on converted textiles or leathers such as carpets, upholstery, clothing and shoes, as Priority Products under the Safer Consumer Products regulations. Deadline: Tuesday, December 31, 2019.
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[Public comment] Systematic review protocol for the PFBA, PFHxA, PFHxS, PFNA, and PFDA IRIS assessments
Policy
8 Nov 2019
The U.S. EPA is holding a 45-day public comment period for the systematic review protocol for the PFBA, PFHxA, PFHxS, PFNA, and PFDA IRIS assessments. Deadline: Monday, December 23, 2019.
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Elucidation of contamination sources for poly- and perfluoroalkyl substances (PFASs) on Svalbard (Norwegian Arctic)
Science
7 Nov 2019 | Environ Sci Pollut Res Int.
Firefighting-training sites and landfill locations were identified as primary PFAS sources for Svalbard arctic settlements.
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Defense Department claims new treatment technique a potential fix for PFAS-contaminated water
News
7 Nov 2019 | Military.com
"This is the only technology that actually destroys PFAS molecules that has been demonstrated at this scale; it doesn't just remove them from water," added Clarkson's Dr. Tom Holsen, also a principal researcher, in the release. "All of the other demonstrations that we're aware of remove it from the water through filtration so there is still a PFAS containing waste."
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Tap water at Trump National Golf Course contaminated with ‘forever chemicals’
News
6 Nov 2019 | Newsweek
PFOA levels reached 3.5 and 3.6 ppt at Jersey golf course.
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Toxic PFAS chemicals can be dumped into Merrimack River, federal and state officials say
News
5 Nov 2019 | Boston Globe
The company’s tests showed that the amount of PFAS was more than 100 times higher than federal and state guidelines and more than 400 times higher than stricter standards being considered in Massachusetts. While the Lowell Regional Wastewater Utility treats the landfill runoff before discharging it into the river, the plant lacks the expensive equipment to filter out PFAS.
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Biomonitoring of emerging contaminants, perfluoroalkyl and polyfluoroalkyl substances (PFAS), in New Jersey adults in 2016–2018
Science
5 Nov 2019 | Intern.Journal of Hygi. and Environ. Health
New Jersey adults had higher PFOA, PFNA, and PFHxS levels compared to other U.S. adults, on average.
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‘Forever chemicals’ legacy weighs on Chemours’ future
News
4 Nov 2019 | Bloomberg Environment
Estimates of Chemours’ liabilities related to PFAS, range from the company’s figure of up to $802 million, to one analyst’s calculation of more than $160 billion—more than 15 times the company’s highest-ever market capitalization.
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Ministers aim to relax PFAS pollution rules after new limit halts earth-moving work
News
1 Nov 2019 | Dutch News
Ministers have asked public health institute RIVM to look into relaxing the limits on how much of the chemical compound PFAS should be allowed in sludge and soil which is dumped on farm and landfill sites during dredging and earth-moving work.