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Geomembranes for environmental remediation
December 17th, 2024
By Brian Fraser, Vice President Layfield Geosynthetics Geomembranes are frequently used in soil remediation applications for environmental containment. Environmental remediation is the cleanup of hazardous substances dealing with the removal, treatment and containment of contaminants, including soil, groundwater and sediment. Applications include the treatment and cleanup of brownfield sites and contaminated soils as a result of […]
Geomembrane testing
April 1st, 2024
Q: We are a geomembrane manufacturer and have a client who asked us to test an old geomembrane that we sold to them 20 years ago for a surface impoundment. They are also asking us to test a competitor’s geomembrane used at the same site. Can we issue a formal report to a governing agency […]
Alternative stress cracking surfactants identified for HDPE geomembrane testing
February 9th, 2022
The Australian geosynthetics testing company ExcelPlas discusses the search for alternative stress cracking surfactants to the pollutant Igepal CO-630. Photograph courtesy Solmax Geosynthetics testing company ExcelPlas in Highett, Victoria, Australia, has identified two alternative stress cracking surfactants for high-density polyethylene (HDPE) geomembranes. Igepal™ CO-630, the non-ionic surfactant used in high-density polyethylene (HDPE) stress cracking bath, […]