Standard Test Method for Determining Average Bonding Peel Strength Between the Top and Bottom Layers of Needle-Punched Geosynthetic Clay Liners
Standard Test Method for Evaluation of Hydraulic Properties of Geosynthetic Clay Liners Permeated with Potentially Incompatible Aqueous Solutions
Swell Measurement of the Clay Component of GCLs **GRI has discontinued this method, the industry-accepted standard test method is now ASTM D5890
Permeability of Geosynthetic Clay Liners (GCLs) **GRI has discontinued this method, the industry-accepted standard test method is now ASTM D5887
Standard Test Method for Determining the Integrity of Field Seams Used in Joining Geomembranes by Chemical Fusion Methods
Standard Test Method for Tensile Properties of Plastics **Discontinued for geomembrane use, the industry-accepted standard test method is now ASTM D6693
