1.1 This guide provides directions for the installation of geosynthetic clay liners (GCLs) under file conditions typically present in environmental lining applications.
D5888-19(2024)
Standard Guide for Storage and Handling of Geosynthetic Clay Liners
GRI-GCL-5
Standard Guide for Design Considerations for Geosynthetic Clay Liners (GCLs) in Various Applications
D4439-25a
Standard Terminology for Geosynthetics (Includes all amendments and changes 9/30/2025).
D653-26a
Standard Terminology Relating to Soil, Rock, and Contained Fluids (Includes all amendments and changes 6/15/2026).