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AASHTO discusses proposed trichloroethylene rule
January 10, 2024
…to prohibit all manufacture, processing, and distribution in commerce of TCE – plus industrial and commercial use of TCE for all uses,” AASHTO noted in its letter. “As part of…
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How geomembranes help to improve water quality, lower costs and increase efficiencies in wastewater treatment – Part 3
December 11, 2023
…series, geomembrane use in Secondary/Tertiary treatment and Residuals Management will be discussed. You can read Part 1 here and Part 2 here. Learn more about XR Geomembranes here ….
State DOTs win top prizes in America’s Transportation Awards competition
November 29, 2023
…a $10,000 cash award for a charity or transportation-related scholarship of the winners’ choosing. To learn more about the America’s Transportation Awards, visit www.americastransportationawards.org . Information courtesy of AASHTO….
DFI announces new committee chair
November 15, 2023
…advancing the state of the practice or state of the art in design, construction, and quality verification of drilled shaft foundation systems. DFI (www.dfi.org) is an international association of contractors,…
EPA finalizes rule to require enhanced PFAS reporting to Toxics Release Inventory
October 25, 2023
…or otherwise use more than 100 pounds of the substance, which is lower than the reporting threshold for most other TRI-listed chemicals. However, the previous administration codified the NDAA provisions…
E-GEOTEX-Pro introduced for cleaning coverings with geotextiles
October 17, 2023
…moss, and algae without the use of chemicals. With the addition of the EGO electric motor, the machine will deliver even better ecological performance. EGO Machines specializes in manufacturing battery-powered…
DFI announces appointments
October 13, 2023
…control, and to advance the awareness, use and performance of structural slurry wall and seepage control technologies. Ryan Reavis has joined the institute as the technical activities manager. In this…
More than $9 billion in improvements planned for Oklahoma highways
October 10, 2023
…plans can be found on the ODOT homepage at www.odot.org, under “Programs and Projects” then “ODOT Construction Work Plan.” This tool allows users to easily locate projects and related information….
Interpreting and monitoring the final Buy America guidelines
October 1, 2023
…been posted on the Federal Register (FR) with a 60-day notice to take effect October 23, 2023. (whitehouse.gov/wp-content/uploads/2023/08/REV_2-CFR-Guidance-Pre-publication-version-8.13.pdf) The Geosynthetic Materials Association (GMA) has been constantly monitoring the issues involved…
Airports zone in on geosynthetics
October 1, 2023
…runway to use below for the mechanically stabilized wall at the Pakyong Airport. Photo courtesy of Maccaferri “Backfilling was done in a 200-mm [8-inch] compacted lift thickness, and five layers…