Showing 1246-1260 of 1711
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Background release and potential point sources of per-and polyfluoroalkyl substances to municipal wastewater treatment plants across Australia
Science
24 Jan 2022 | Chemosphere
About 60% of PFAS in Australian wastewater treatment plant influent was due to background release (at a rate of 8.1-24 μg/day/person) with the remaining ~40% due to point sources including industrial activities.
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Indiana firefighters could get annual blood testing for PFAS under proposed pilot program
Policy
20 Jan 2022
Indiana firefighters could get annual blood testing for exposure to synthetic PFAS chemicals through a proposed pilot program, according to a new bill introduced in the Statehouse.
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Perfluorooctanoic acid (PFOA)-induced alterations of biomolecules in the wetland plant Alisma orientale
Science
20 Jan 2022 | Sci Total Environ
FTIR was used to demonstrate the adverse effects of PFOA on plant growth and water uptake.
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Legal obstacles to toxic chemical research
Policy
17 Jan 2022
Amid debate about how policymakers should apply existing scientific findings, these science-hindering features are easy to overlook including insufficient availability of chemical standards, limited public access to information, and excessive fragmentation of information within and among government agencies.
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A worldwide evaluation of trophic magnification of per- and polyfluoroalkyl substances in aquatic ecosystems
Science
17 Jan 2022 | Integr Environ Assess Manag
This review discusses the variability of environmental characteristics driving PFAS biomagnification in natural ecosystems and highlights the different approaches used by various studies, which can make comparisons among studies challenging.
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Mass-Labeled Fluorotelomer Alcohol Fragmentation Gives "False Positive" for Nonlabeled Fluorotelomer Alcohols with Implications for Consumer Product Analysis
Science
17 Jan 2022 | J Am Soc Mass Spectrom
Deuterium or hydrogen abstraction of some standards was found to produce a false positive when testing for FTOHs by chemical ionization mass spectrometry.
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Michigan’s first PFAS site cleanup trial is scheduled to begin this year
News
12 Jan 2022 | MLive
The first civil trial to arise out of Michigan’s multi-year pursuit of cleanup at toxic PFAS contamination sites is scheduled to take place this summer.
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Injustice Forever? Toxic PFAS Chemicals Have ‘Made a Mockery of Our Environmental Regulations’
Policy
10 Jan 2022
With a lack of regulations addressing toxic “forever chemicals,” students and professors at a Vermont college have taken their research skills into communities to spur action.
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Increased levels of perfluorooctanesulfonic acid (PFOS) during Hurricane Dorian on the east coast of Florida
Science
10 Jan 2022 | Environ Res
Mean PFOS levels in surface water showed the greatest increase of 177% during the hurricane and returned to baseline levels after two days.
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Prevalence and Implications of Per- and Polyfluoroalkyl Substances (PFAS) in Settled Dust
Science
10 Jan 2022 | Curr Environ Health Rep
This review emphasizes the prevalence of PFAS in indoor dust - especially daycares and workplaces - with sources of PFAS including building materials and furnishings and consumer products.
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Characterization of Per- and Polyfluorinated Alkyl Substances Present in Commercial Anti-fog Products and Their Adipogenic Activity
Science
10 Jan 2022 | Environ Sci Technol
High concentrations of PFAS were detected in all measured anti-fog products, with FTEOs found to be a significant contributor to the adipogenic activity exhibited by the anti-fog sprays.
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Food, Beverage, and Feedstock Processing Facility Wastewater: a Unique and Underappreciated Source of Contaminants to U.S. Streams
Science
9 Jan 2022 | Environ Sci Technol
Wastewater generated from food and beverage processing from 12 facilities in 17 states was found to contain 6:2 fluorotelomer sulfonic acid and other PFAS at elevated concentrations.
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High levels of toxic ‘forever chemicals’ found in anti-fogging sprays for glasses
News
5 Jan 2022 | The Guardian
Anti-fogging sprays and cloths often used to prevent condensation on eyeglasses from wearing a mask or on face shields may contain high levels of potentially toxic PFAS “forever chemicals”, according to a new study led by Duke University.
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Prenatal and postnatal exposure to emerging and legacy per-/polyfluoroalkyl substances: Levels and transfer in maternal serum, cord serum, and breast milk
Science
4 Jan 2022 | Sci Total Environ
Most PFAS transfer more efficiently via the placenta than breastfeeding, but the one-month postnatal exposure to PFAS via breastfeeding was higher than prenatal exposure in utero.
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Analysis of the additional cost of addressing per-and polyfluoroalkyl substance contamination from landfill leachate by reverse osmosis membranes in Thailand
Science
4 Jan 2022 | J. Water Process. Eng.
The net present cost to remove PFAS from landfill liquid waste using reverse osmosis was estimated to be between $392-578 million USD for a network of 111 landfills.