Showing 286-300 of 589
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Understanding PFAAs exposure in a generalist seabird species breeding in the vicinity of a fluorochemical plant: influence of maternal transfer and diet
Science
29 Dec 2020 | Env. Poll.
PFOS, PFOA, PFDA and PFNA were detected in a seabird community with PFOS concentrations measured in some chicks surpassing the toxicity reference value calculated for top avian predators.
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Dual-Functional Phosphorene Nanocomposite Membranes for the Treatment of Perfluorinated Water: An Investigation of Perfluorooctanoic Acid Removal via Filtration Combined with Ultraviolet Irradiation or Oxygenation
Science
29 Dec 2020 | Membranes
The removal of PFOA accumulated on the membrane surface achieved 99% after the membranes were treated with ultraviolet light and liquid aerobic oxidation.
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Serum perfluoroalkyl substances in residents following long-term drinking water contamination from firefighting foam in Ronneby, Sweden.
Science
29 Dec 2020 | Environ Int
Serum PFHxS and PFOS levels were a hundredfold higher than the general population.
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Nonstick pans often don't note they use PFAS
News
28 Dec 2020 | NPR
A Michigan-based environmental group has found many nonstick pans are coated with a chemical from the PFAS family
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Deposition of PFAS 'forever chemicals' on Mt. Everest.
Science
28 Dec 2020 | Sci Total Environ
PFOS, PFOA, and PFHxA were found in Mt. Everest snow and the below-glacier watershed.
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Assessing the human health risks of per- and polyfluoroalkyl substances: A need for greater focus on their interactions as mixtures
Science
22 Dec 2020 | J Haz. Mat.
The combined effects or potential interactions of PFAS mixtures should be considered and integrated into toxicity assessment to obtain a realistic and more refined human health risk assessment.
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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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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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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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Cosmetics, cellphones, guitar strings: where we found 'forever chemicals'
News
14 Dec 2020 | The Guardian
Altogether, we found PFAS in more than 200 use categories. We already knew about PFAS in fire-fighting foams, refrigerants, lithium-ion batteries, carpets, waterproof fabrics, ski waxes, fast-food paper and board containers, muffin forms, popcorn bags, and dental floss.
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Alteration of neuro-dopamine and steroid hormone homeostasis in wild Bank voles in relation to tissue concentrations of PFAS at a Nordic skiing area
Science
9 Dec 2020 | Sci Total Environ
PFAS exposure from ski wax was found to disrupt hormones in nearby bank voles.