ASTM Committee D35 on Geosynthetics has reapproved D7106, “Standard Guide for Selection of Test Methods for Ethylene Propylene Diene Terpolymer (EPDM) Geomembranes.” It is available as D7106-05(2010). This guide includes test methods for scrim-reinforced, composite, and smooth, non-reinforced EPDM membranes.