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EPA announces new framework to prevent unsafe PFAS from entering market
July 5th, 2023
The U.S. Environmental Protection Agency (EPA) has announced its framework for addressing new and new uses of per- and poly-fluoroalkyl substances (PFAS). The framework outlines EPA’s planned approach when reviewing new PFAS and new uses of PFAS to ensure that, before these chemicals are allowed to enter into commerce, EPA will undertake an extensive evaluation to ensure […]
Illinois Tech assistant professor awarded funding to stop spread of ‘forever chemicals’ into waterways
January 26th, 2023
Illinois Institute of Technology (Illinois Tech) assistant professor David Lampert was recently awarded funding by the U.S. Environmental Protection Agency’s People, Prosperity, and the Planet (P3) Student Design Competition for a project to stop the spread of “forever chemicals” into waterways. Lampert’s project—one of just three nationwide selected for phase II funding—focuses on preventing the movement of perfluoroalkyl and polyfluoroalkyl substances (PFAS) […]
Differentiating sources of PFAS with multiple lines of evidence
January 24th, 2023
Per- and polyfluoroalkyl substances (PFAS) are ubiquitous in the environment. Because a multitude of common commercial products contain PFAS, the potential exists for PFAS contamination to impact a wide variety of business sectors and practices. It’s especially difficult to determine who’s responsible for addressing PFAS when contamination likely stems from several origins. Due to the proliferation […]
EPA issues next test order under national testing strategy for PFAS used in plastics, chemical manufacturing
January 10th, 2023
The U.S. Environmental Protection Agency (EPA) has issued the next Toxic Substances Control Act (TSCA) test order requiring testing on per- and polyfluoroalkyl substances (PFAS) under EPA’s the National PFAS Testing Strategy. This action orders companies to conduct and submit testing on trifluoro (trifluoromethyl) oxirane (HFPO), a perfluoroalkyl substance used in making plastics. This is […]
Geosynthetics for CCR, PFAS and energy applications
October 1st, 2021
This issue of Geosynthetics magazine delves deep into two innovative uses of geosynthetic clay liners (GCLs) in very different applications: coal combustion residual (CCR) leachates and per- and polyfluoroalkyl substances (PFAS) mitigation in landfills. We also examine three case studies of energy companies using high-density polyethylene (HDPE) geomembranes for flowback water in water evaporation/recycling ponds. […]
Hybrid geosynthetic clay liners for attenuation of PFAS in landfill leachates
October 1st, 2021
An exponential increase in understanding of the provenance, migration, and fate of per- and polyfluoroalkyl substances (PFAS) is evident over the past decade. The environmental and health concerns from this group of contaminants are well recognized, but they are still evolving with advancing studies. A key property of PFAS compounds at a molecular level is […]