1. Test Methods for Measurement of Hydraulic Conductivity of Saturated Porous Materials Using a Flexible Wall Permeameter;ASTM D 5084,2003
2. Test Method for Measuring the Soil–Geotextile System Clogging Potential by the Gradient Ratio;ASTM D 5101,2006
3. Test method for hydraulic conductivity ratio (HCR) testing of soil/geotextile systems;ASTM D 5567,2001
4. Rapid Assessment of Geotextile Clogging Potential Using the Flexible Wall Gradient Ratio Test. GRI-18 Geosynthetics Research and Development in Progress;Bailey,2005
5. Design and operating criteria for a gypsum stack/cooling pond from an owner/operator's point of view;Cameron,1988