Showing 31-45 of 103
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Perfluoroalkyl substances are linked to incident chronic spontaneous urticaria: A nested case-control study
Science
5 Oct 2021 | Chemosphere
Serum PFASs are associated with an increased risk of incident chronic hives, and PFBA and PFHpA might be the effective compounds.
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Assessment of per- and polyfluoroalkyl substances in Biscayne Bay surface waters and tap waters from South Florida
Science
17 Sep 2021 | Sci Total Environ
The average total PFAS was higher in tap water than in surface waters, whereas the most predominant and frequently detected PFAS were PFBA, PFBS, PFPeA, PFHxA, PFHxS, PFOA, and PFOS.
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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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Systemic toxicity induced by topical application of heptafluorobutyric acid (PFBA) in a murine model
Science
8 Sep 2021 | Food Chem Toxicol
Sustained dermal exposure to PFBA induces liver toxicity and raises concerns of short-chain PFAS being promoted as safer alternatives.
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Perfluorobutanoic acid (PFBA): No high-level accumulation in human lung and kidney tissue
Science
30 Aug 2021 | Int J Hyg Environ Health
Contrary to previous findings, analysis of short-chain PFAS in human lungs and kidney indicates PFBA is not likely to accumulate in these tissues.
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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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A ‘Concentrate-&-Destroy’technology for enhanced removal and destruction of per-and polyfluoroalkyl substances in municipal landfill leachate
Science
22 Jun 2021 | Sci Total Environ .
A two-step PFAS destruction system was developed and under field, conditions were able to destroy over 80% of PFAS.
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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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Biomarkers of poly- and perfluoroalkyl substances (PFAS) in Sub-Arctic and Arctic communities in Canada
Science
19 May 2021 | Int J Hyg Environ Health
Male participants had higher concentrations of PFAS compared to female participants, and PFAS concentrations tended to increase with age.
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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.
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Federal agencies plan to investigate links between PFAS exposure and viral illness
News
8 Apr 2021 | Circle of Blue
Two federal health agencies, National Center for Environmental Health and the Agency for Toxic Substances and Disease Registry, are planning to investigate potential links between exposure to toxic PFAS chemicals and susceptibility to viral illnesses such as Covid-19, pneumonia, and the flu.