1. ASTM: D2435 (2011) Standard test methods for one-dimensional consolidation properties of soils using incremental loading. ASTM Int 1–6
2. ASTM: D4318 (2017) Standard test methods for liquid limit, plastic limit and plasticity index of soils. ASTM Int 1–10
3. ASTM: D5890 (2019) Standard test method for swell index of clay mineral component of geosynthetic clay liners. ASTM Int 1–3
4. ASTM: D698 (2012) Reapproved (2021) standard test methods for laboratory compaction characteristics of soil using standard effort (12,400 ft-lbf/ft3 (600 kN-m/m3). ASTM Int 1–7
5. ASTM: D854 (2014) Standard test methods for specific gravity of soil solids by water pycnometer. ASTM Int 1–4