2020ASTM D6286/D6286M-20 Standard Guide for Selection of Drilling and Direct Push Methods for Geotechnical and Environmental Subsurface Site Characterization
2019ASTM D6286-19 Standard Guide for Selection of Drilling and Direct Push Methods for Geotechnical and Environmental Subsurface Site Characterization
2012ASTM D6286-12 Standard Guide for Selection of Drilling Methods for Environmental Site Characterization
1998ASTM D6286-98(2006) Standard Guide for Selection of Drilling Methods for Environmental Site Characterization
1998ASTM D6286-98 Standard Guide for Selection of Drilling Methods for Environmental Site Characterization