Showing 106-120 of 124
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Disposal of products and materials containing per- and polyfluoroalkyl substances (PFAS): A cyclical problem
Science
21 Jul 2020 | Chemosphere
PFAS-containing wastes create repeated cycles of contamination in all disposal pathways: landfilling, wastewater treatment, and incineration.
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Are melamine and its derivatives the alternatives for per- and polyfluoroalkyl substance (PFAS) fabric treatments in infant clothes?
Science
21 Jul 2020 | Environ. Sci. Technol.
Melamine was found to be a potential alternative to PFAS in infant textiles.
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Synthesis and Application of Fluorine-free Environment-friendly Stearic Acid-based Oil and Water Repellent for Cotton Fabric
Science
14 Jul 2020 | J Nat. Fib.
PFAS-free oil and water repellent coating were developed for use on fabrics.
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Another Pathway for Firefighter Exposure to Per- and Polyfluoroalkyl Substances: Firefighter Textiles
Science
23 Jun 2020 | ES&TL
Textiles used as firefighter turnout gear were found to have high levels of total fluorine, and individual PFAS were identified and measured on new and used firefighting turnout gear.
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Characterisation of human exposure pathways to perfluorinated compounds — Comparing exposure estimates with biomarkers of exposure
Science
16 Jun 2020 | Environ. Intern.
Significant positive associations between concentrations of PFAS in house dust and the corresponding serum concentrations underline the importance of the indoor environment as an exposure pathway for PFAS.
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[Dissertation Defense] Chemical substitution with a life cycle perspective: The case of per- and polyfluoroalkyl substances in durable water repellents
Events
12 Jun 2020
The aim of the research presented in this thesis was to support the process of substitution of side-chain fluorinated polymers in durable water repellents, that give rise to emissions of hazardous PFAS.
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Total oxidizable precursor assay in the determination of perfluoroalkyl acids in textiles collected from the United States
Science
10 Jun 2020 | Env. Poll.
PFCA precursors were found in textiles.
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Per- and poly-fluoroalkyl substances (PFAS) current status and research needs
Science
10 Jun 2020 | Environ. Tech. & Inn.
This paper is intended to capture the shared information, comments, and current thinking related to PFAS challenges and research needs as identified by the group of expert participants; the write up is not intended to be a complete dissertation on the science and work that has been carried out.
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Perfluorinated compounds are not necessary: pegylated organosilanes can endow good water sliding/removal properties
Science
10 Jun 2020 | J. Hazard. Mater.
PFAS alternatives using silanes gave water-repellent qualities to surfaces.
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EPA is abandoning those suffering from toxic PFAS pollution
News
26 Apr 2020 | The Hill
A year ago, the EPA promised Congress that, after years of stalling, it would finally move forward on regulation of two notorious ‘forever chemicals,’ PFOA and PFOS. The notice that eventually appeared in the Federal Register on March 10, 2020, however, is not a regulation; it is merely a proposal to consider regulation.
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ITRC releases PFAS technical and regulatory guidance document
News
15 Apr 2020 | Interstate Technology & Regulatory Council
The Interstate Technology & Regulatory Council published a guidance document that provides an in-depth analysis of the complex world of PFAS.
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The effect of weathering on per- and polyfluoroalkyl substances (PFASs) from durable water repellent (DWR) clothing
Science
12 Feb 2020 | Chemosphere
Weathering of outdoor clothing can result in an 5-100 fold increase in the varieties of PFAS present.
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Levels, Patterns, and Biomagnification Potential of Perfluoroalkyl Substances in a Terrestrial Food Chain in a Nordic Skiing Area
Science
12 Nov 2019 | Environ. Science & Tech.
PFAS-containing ski waxes found to be a significant contributor to contamination in soil and terrestrial organisms.
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OECD Webinar: Finding Alternatives to Per- and Polyfluoroalkyl Substances of Concern: A Difficult and Continuing Challenge
Events
26 Sep 2019
The webinar will present efforts, successes and challenges in eliminating per and polyfluorinated chemicals of environmental concern from the life cycle of consumer products.
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Assessing the contribution of atmospheric transport and tourism activities to the occurrence of perfluoroalkyl acids (PFAAs) in an Alpine Nature Reserve
Science
9 Sep 2019 | Sci. Total Environ.
Ski tourism is a significant source of PFAS contamination in a remote alpine lake in China