Showing 3631-3645 of 5068
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Legacy and emerging per- and polyfluoroalkyl substances (PFASs) in Australian biosolids
Science
22 Dec 2020 | Chemosphere
Using the population data supplied by the participating WWTPs, the mean annual estimated biosolids-associated PFAS contribution is 6 mg per person per year and ranged between 0.6 mg and 15 mg.
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Sources, Fate, and Plant Uptake in Agricultural Systems of Per- and Polyfluoroalkyl Substances
Science
22 Dec 2020 | Emerging Contaminants
PFAS are readily taken up in some plants, particularly the shorter-chain PFAS, and can evoke metabolic responses and phytotoxic effects at high concentrations.
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Sorption behavior of 6:2 chlorinated polyfluorinated ether sulfonate (F-53B) on four kinds of nano-materials
Science
22 Dec 2020 | Sci Total Environ
F-53B was found to be removed most efficiently with surface modified nanoclay from electroplating wastewater.
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Photodegradation of Perfluorooctanesulfonic Acid on Fe-Zeolites in Water
Science
22 Dec 2020 | Environ Sci Technol .
The presented study offers an option for a novel water remediation technology, comprising first a zeolite-based adsorption step followed by a step for photochemical regeneration of the adsorbent.
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Prenatal exposure and transplacental transfer of perfluoroalkyl substance isomers in participants from the upper and lower reaches of the Yangtze River
Science
22 Dec 2020 | Environ Pollut
The movement of PFAS across the placenta decreased increasing concentrations in maternal serum.
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3 PFAS disposal technologies are most promising, US EPA says
Policy
21 Dec 2020
Burning PFAS as hazardous waste to destroy the chemicals is one of the three technologies the EPA suggests in interim guidance issued Dec. 18.
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From Alaska to Florida, Harmful PFAS Compounds Pollute Water at Multiple Sites in Every State
News
21 Dec 2020 | Eco Watch
Tom Kennedy learned about the long-term contamination of his family's drinking water about two months after he was told that his breast cancer had metastasized to his brain and was terminal.
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Persistent, mobile and toxic (PMT) and very persistent and very mobile (vPvM) substances pose an equivalent level of concern to persistent, bioaccumulative and toxic (PBT) and very persistent and very bioaccumulative (vPvB) substances under REACH
Science
21 Dec 2020 | Environmental Sciences Europe
The registration process of substances under REACH should reflect that PMT/vPvM substances pose an equivalent level of concern to PBT/vPvB substances.
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Biden chooses N.C. environmental chief to head EPA
News
18 Dec 2020 | North Carolina Health News
The announcement followed a briefing in which scientists said “forever chemicals” could make people more vulnerable to COVID-19.
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Investigation targets discharges of next-generation 'forever chemicals' from 3M's Cottage Grove plant
News
18 Dec 2020 | Star Tribune
State and federal pollution regulators are investigating 3M Co.'s reporting on next-generation "forever chemicals" discharged from its Cottage Grove plant into the Mississippi River, even as Minnesota struggles to address ever-growing contamination from the original versions the manufacturer no longer makes.
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Paper product production identified as the main source of per- and polyfluoroalkyl substances (PFAS) in a Norwegian lake: source and historic emission tracking
Science
16 Dec 2020 | Env Poll
Production of paper products is likely a major source of environmental PFAS.
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Photo enhanced degradation of polyfluoroalkyl and perfluoroalkyl substances
Science
16 Dec 2020 | Heliyon
High degradation and defluorination efficiency of PFAS could be achieved by photon driven processes such as photolysis, photochemical, photocatalysis, and photoreduction.
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Scientists seek evidence that ‘forever chemicals’ hinder COVID-19 vaccines
News
16 Dec 2020 | NJ Spotlight
Investigators say more work is needed on interaction of PFAS in blood and the coronavirus.
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Re Advance Notice on the Regulation of Perfluoroalkyl, Polyfluoroalkyl Substances (PFAS) as a Class
Policy
15 Dec 2020
Technical comments submitted to the Vermont Agency of Natural Resources regarding managing the class of PFAS.
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Functional benefit and molecular mechanism of vitamin C against perfluorooctanesulfonate-associated leukemia
Science
15 Dec 2020 | Chemosphere
According to the computational findings, we conclude that vitamin C protects against PFOS-associated leukemia by suppressing cell proliferation and tumor growth.