1. ASTM D7100: Standard test method for hydraulic conductivity compatibility testing of soils with Aqueous solutions. American Society for Testing and Materials, Philadelphia (2011)
2. ASTM D854: Standard test methods for specific gravity of soil solids by water pycnometer. American Society for Testing and Materials, Philadelphia (2014)
3. ASTM D5084: Standard test methods for measurement of hydraulic conductivity of saturated porous materials using a flexible wall permeameter. American Society for Testing and Materials, Philadelphia (2016)
4. ASTM D2487: Standard practice for classification of soils for engineering purposes (Unified Soil Classification System). American Society for Testing and Materials, Philadelphia (2017a)
5. ASTM D4318: Standard test methods for liquid limit, plastic limit, and plasticity index of soils. American Society for Testing and Materials, Philadelphia (2017b)