Showing 496-510 of 1034
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Priority perfluoroalkyl substances in surface waters - A snapshot survey from 22 developing countries
Science
2 Feb 2021 | Chemosphere
Baseline PFAS contamination water levels were developed for 22 developing countries worldwide.
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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
2 Feb 2021 | Environ Pollut
Placental transfer of PFAS was found to be closely related to chain length.
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Exposure to perfluoroalkyl substances during fetal life and hospitalization for infectious disease in childhood: A study among 1,503 children from the Odense Child Cohort
Science
2 Feb 2021 | Environ Int
PFOS was associated with both an increase in general infections and respiratory tract infections with PFOA only being associated with the latter.
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Aquatic toxicity evaluations of PFOS and PFOA for five standard marine endpoints
Science
2 Feb 2021 | Chemosphere
In addition to providing effects data for PFOA and PFOS, this study indicates these species and endpoints are sensitive to PFAS such that their use will be appropriate for deriving toxicity data with other PFAS in marine ecosystems.
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New tests trigger alert on Galesburg water; exceeds guidelines for PFAS which could be harmful
News
1 Feb 2021 | The Register-Mail
The IL EPA’s draft guidance level for PFOA is 2 ppt. Galesburg’s water supply tested at 17 parts per trillion in November and 12 in December.
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PFAS control ranks high on environmental agenda
News
1 Feb 2021 | Chemical & Engineering News
Biden's campaign platform called for the EPA to designate some PFAS as hazardous substances under the federal Superfund law for cleaning up contaminated land and aquifers.
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Response to “Comment on Scientific Basis for Managing PFAS as a Chemical Class
Science
1 Feb 2021 | Environ. Sci. Technol
Here we are responding to the comment by Singh and Papanastasiou who disagree with a class-based approach to PFAS and build their argument around hydrochlorofluorocarbons.
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Determination and risk assessment of perfluorinated alkylated substances (PFASs) in pork liver from mainland, China
Science
27 Jan 2021 | Food Addit Contam Part A Chem Anal Control Expo Risk Assess
This work accomplished systematic and nationwide determination data of PFAS in pork liver and provides a valuable reference for contamination monitoring and risk assessment of PFASs from animal origin food.
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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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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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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 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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[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.