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2. Standard Test Method for One-Dimensional Consolidation Properties of Soils;ASTM D2435,1996
3. Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils;ASTM D4318,2000
4. Standard Test Method for Swell Index of Clay Mineral Component of Geosynthetic Clay Liners;ASTM D5890,2001
5. Standard Test Method for pH of Soils;ASTM D4972-13,2013