1. ASTM D3441 (2005). Standard Method of Deep Quasi-Static Cone and Friction-Cone Penetration Tests of Soil.
2. ASTM D5314-92 (2006). Standard Guide for Soil Gas Monitoring in the Vadose Zone.
3. ASTM D5717-95 (1995). Standard Guide for Design of Ground-water Monitoring Systems in Karst and Fractured-rock Aquifers. 1998 Annual Book of ASTM Stardards, vol 04.09, pp 439–455.
4. ASTM D5753-05. Standard Guide for Planning and Conducting Borehole Geophysical Logging.
5. ASTM D5777-00 (2006). Standard Guide for Using the Seismic Refraction Method for Subsurface Investigation.