1. ASTM D2196-15(2015) Standard test methods for rheological properties of non-Newtonian materials by a rotational viscometer. ASTM Standards, West Conshohocken
2. ASTM D2434-68(2006) Standard test method for permeability of granular soils (constant head). ASTM Standards, West Conshohocken
3. ASTM D2487-11(2011) Standard practice for classification of soils for engineering purposes (unified soil classification system). ASTM Standards, West Conshohocken
4. ASTM D4219-08(2008) Standard test method for unconfined compressive strength index chemical-grouted. ASTM Standards, West Conshohocken
5. ASTM D5856-95(1995) Standard test method for measurement of hydraulic conductivity of porous material using a rigid-wall, compaction-mold permeameter. ASTM Standards, West Conshohocken