Showing 46-60 of 143
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Transport and environmental risks of perfluoroalkyl acids in a large irrigation and drainage system for agricultural production
Science
11 Sep 2021 | Environ Int
Up to 40% of tolerant daily intake came from humans eating contaminated aquatic organisms.
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[Blog] Guidance on New PFAS Reporting Rule for Manufacturers
Policy
8 Sep 2021
In the last 10 years, have you manufactured, processed or imported products containing per- and polyfluoroalkyl substances (PFAS)? If so, be aware - the EPA may soon require a detailed report.
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The Nrf2a pathway impacts zebrafish offspring development with maternal preconception exposure to perfluorobutanesulfonic acid
Science
2 Sep 2021 | Chemosphere
PFBS exposures were found to alter egg and embryo development, when exposure occurs preconception.
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How Biden’s Team Rushed to Dump a Trump-Era PFAS Assessment
News
1 Sep 2021 | E&E News
At issue is a toxicity assessment for PFBS, which is used in manufacturing processes and to make stain-resistant coatings for various consumer items like clothes, among other purposes.
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Perfluorinated compounds disrupted osmoregulation in Oryzias melastigma during acclimation to hypoosmotic environment
Science
18 Aug 2021 | Ecotoxicol Environ Saf
PFOS showed a greater impact on fish’s ability to extract oxygen from fresh and saltwater than the shorter chain homolog PFBS.
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[Blog] CA PFAS Pollution Widespread in Disadvantaged Communities
News
17 Aug 2021 | NDRC
NRDC’s new analysis of California’s drinking water testing for PFAS reveals widespread PFAS pollution in the state, particularly in communities that are already overburdened by multiple sources of pollution.
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Ineffectiveness of ultrasound at low frequency for treating per- and polyfluoroalkyl substances in sewage sludge
Science
4 Aug 2021 | Chemosphere
Ultrasonication was found not efficient at removing PFAS from sewage sludge and would ultimately increase pollution after sludge was disposed of.
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Distribution characteristics of per- and polyfluoroalkyl substances (PFASs) in human urines of acrylic fiber plant and chemical plant
Science
26 Jul 2021 | Environ Sci Pollut Res Int
Short-chain PFASs (such as: PFBA and PFBS) were becoming dominant for human exposure, especially occupational workers.
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[Report] Reconciling Terminology of the Universe of Per- and Polyfluoroalkyl Substances: Recommendations and Practical Guidance
Policy
20 Jul 2021
This report summarizes recent efforts by the OECD/UNEP Global PFC Group to provide recommendations and practical guidance to all stakeholders with regard to the terminology of PFAS.
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World’s first ban on products with PFAS adopted in Maine
News
19 Jul 2021 | C&EN
The US state of Maine is the first government in the world to ban the sale of products containing any chemical in a class of highly persistent synthetic compounds.
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Perfluoroalkyl substances (PFASs) in leachate, fly ash, and bottom ash from waste incineration plants: Implications for the environmental release of PFAS
Science
19 Jul 2021 | Sci Total Environ
PFBA and PFBS were associated with leachate contamination while PFOS was found to travel in fly ash readily.
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Per and poly-fluoroalkyl substances (PFAS) as a contaminant of emerging concern in surface water: A transboundary review of their occurrences and toxicity effects
Science
16 Jun 2021 | J. Hazard. Mater.
Global shift in use of PFAS was observed from western to eastern parts of the world.
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EPA expands list of PFAS subject to TRI reporting
News
4 Jun 2021 | JD Supra
The agency announced the addition of perfluorooctyl iodide, potassium perfluorooctanoate, and silver perfluorooctanoate for the 2021 reporting year.
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Environmental exposure to perfluoroalkyl substances in early pregnancy, maternal glucose homeostasis and the risk of gestational diabetes: A prospective cohort study
Science
18 May 2021 | Environ Int
Environmental exposure to PFAS may affect glucose homeostasis in pregnancy and increase the risk of diabetes symptoms, especially in average-weight women.
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PFAS and their substitutes in groundwater: Occurrence, transformation and remediation
Science
11 May 2021 | J Hazard Mater
GenX, F-53B, and OBS in groundwater treatment by UV/sulfite system and electrochemical oxidation proved effective.