On November 23 (with a rebroadcast on November 30th) Boyd led a panel discussion on the “other” facets of geomembrane durability besides OIT. The webinar was sponsored by the IGS Technical Committee on Barrier Systems (https://www.geosyntheticssociety.org/committees/technical-barrier-systems/) and I was joined by Graham Fairhead of Fabtech and Catrin Tarnowski of Solmax. We discussed a broad range of topics including resin selection, masterbatch and stabilizer delivery systems, manufacturing quality and machine type/conditions, MQA/MQC inspection and testing and others. There is a great deal to consider when selecting a geomembrane for critical applications, and like any complex engineering task is is much more than just one property, event, test or action. Organization, long term record keeping and inspection and general good technical and business practices remain important.
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– J. Arthur Thomson
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