1. Recommended Practice for Field Testing Water-Based Drilling Fluids. API Recommended Practice 13B-1;API,2017
2. Standard Test Method for Particle-Size Analysis of Soils. ASTM Standard D422;ASTM,2007
3. Standard Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass. ASTM Standard D2216–10;ASTM,2010
4. Standard Test Methods for Swell Index of Clay Mineral Component of Geosynthetic Clay Liners. ASTM Standard D5890;ASTM,2011
5. Standard Test Method for pH of Soils. ASTM Standard D4972;ASTM,2013