Showing 466-480 of 996
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Exposure to perfluorooctanesulfonate (PFOS) but not perflurorooctanoic acid (PFOA) at ppb concentration induces chronic toxicity in Daphnia carinata
Science
26 Jan 2021 | Sci Total Environ
The results of this study have great implications for risk assessment of PFOS and PFOA in aquatic ecosystems, given the potential of PFOS to pose a risk to Daphnia even at lower concentrations (1 μg L).
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The occurrence of PFAS in human placenta and their binding abilities to human serum albumin and organic anion transporter 4
Science
26 Jan 2021 | Environ Pollut
The findings in the study can help better understand the occurrence of the PFAS in the human placenta and the placental transfer mechanisms of PFAS in human beings.
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Exposure to perfluoroalkyl substances (PFAS) and dyslipidemia, hypertension and obesity in adolescents. The Fit Futures study
Science
26 Jan 2021 | Environ Res
This cross-sectional study showed a possible link between several PFAS and dyslipidemia, hypertension, and obesity in Norwegian adolescents.
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Human Biomonitoring (HBM)-II values for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) - description, derivation and discussion
Science
26 Jan 2021 | Regul Toxicol Pharmacol
The concentration of PFAS in the German population may lead to health impairment, compared to lower levels years earlier.
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Per- and polyfluoroalkyl substances and kidney function: Follow-up results from the Diabetes Prevention Program trial.
Science
26 Jan 2021 | Environ Int
PFAS exposure was associated with kidney and diabetic issues even when lifestyle changes were implemented.
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[PRESS RELEASE] DuPont, Chemours and Corteva reach $4 billion settlement on ‘forever chemicals’ lawsuits
News
22 Jan 2021 | Environmental Working Group
Under the terms of a cost-sharing agreement to settle lawsuits involving the historic use of PFAS, expenses will be split, with DuPont and Corteva responsible for half and Chemours responsible for the other half.
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EPA introduces additional action items under its 2019 PFAS Action Plan
News
21 Jan 2021 | National Law Review
These action items put EPA one step closer to formal regulation of these substances, and provides PFAS manufacturers, producers, users, and discharges a blueprint of the compliance requirements that will dictate their operations within the coming years.
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Trends and Levels of Perfluorinated Compounds in Soil and Sediment Surrounding a Cluster of Metal Plating Industries
Science
19 Jan 2021 | Soil Sediment Contam
A slight increase was observed for PFOS and PFOA during 2016–2019 in soils around metal plating shops.
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Human Biomonitoring (HBM)-I values for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) - description, derivation and discussion
Science
19 Jan 2021 | Regul Toxicol Pharmacol
Evidence for associations between PFOA- and PFOS-exposure was found for a wide range of health outcomes depending on total body burden.
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Relative Acute Toxicity of Three Per- and Polyfluoroalkyl Substances on Nine Species of Larval Amphibians
Science
19 Jan 2021 | Integr Environ Assess Manag
Our study is one of the first to report species-, developmental stage-, and compound-specific differences in sensitivity to PFAS across a wide range of amphibian species.
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Atmospheric particulate represents a source of C8–C12 perfluoroalkyl carboxylates and 10:2 fluorotelomer alcohol in tree bark
Science
18 Jan 2021 | Environ. Poll.
Overall, this study provides the first evidence that atmospheric particulate is an obvious source of C8–C12 PFCAs and 10:2 FTOH in tree bark.
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Nearly 100 million Chinese people supplied drinking water with ‘unsafe’ levels of toxic chemicals
News
15 Jan 2021 | South China Morning Post
The study found extremely high levels of PFOA and PFOS in three Chinese cities in the Yangtze River Basin, which were attributed to the presence of fluorochemical plants and industries that use multiple PFAS, such as leather, textile and paper manufacturing.
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Effectiveness of household water purifiers in removing perfluoroalkyl substances from drinking water
Science
12 Jan 2021 | Environ Sci Pollut Res Int
Household water purifiers are effective in decreasing the exposure to PFAS through drinking water, with higher efficiency in longer-chains.
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PFAS product liability cases – are the floodgates now open?
News
12 Jan 2021 | National Law Review
Even companies without direct use or knowledge of PFAS use in products should consider a review of supplier materials, as those materials may have PFAS as a component, which could some day subject the company to legal liability issues.
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[Blog] How many of us are drinking toxic forever chemicals?
News
12 Jan 2021 | BioMed Central
A recent study found that nearly 100 million people in 16 out of 66 cities investigated in China are likely using drinking water that exceeds 20 ppt for the sum of five PFAS (PFOA, PFOS, PFHxS, PFHpA, and PFNA), new maximum contaminant level set by the U.S. state of Vermont.