D5195 Standard Test Method for Density of Soil and Rock In-Place at Depths Below Surface by Nuclear Methods

D5220 Standard Test Method for Water Mass per Unit Volume of Soil and Rock In-Place by the Neutron Depth Probe Method

D5777 Standard Guide for Using the Seismic Refraction Method for Subsurface Investigation

D5781 Standard Guide for Use of Dual-Wall Reverse-Circulation Drilling for Geoenvironmental Exploration and the Installation of Subsurface Water-Quality Monitoring Devices

D5782 Standard Guide for Use of Direct Air-Rotary Drilling for Geoenvironmental Exploration and the Installation of Subsurface Water-Quality Monitoring Devices

D5784 Standard Guide for Use of Hollow-Stem Augers for Geoenvironmental Exploration and the Installation of Subsurface Water-Quality Monitoring Devices

D5872 Standard Guide for Use of Casing Advancement Drilling Methods for Geoenvironmental Exploration and Installation of Subsurface Water-Quality Monitoring Devices

D5875 Standard Guide for Use of Cable-Tool Drilling and Sampling Methods for Geoenvironmental Exploration and Installation of Subsurface Water-Quality Monitoring Devices

D6031/D6031M Standard Test Method for Logging In Situ Moisture Content and Density of Soil and Rock by the Nuclear Method in Horizontal, Slanted, and Vertical Access Tubes

D6151 Standard Practice for Using Hollow-Stem Augers for Geotechnical Exploration and Soil Sampling

D6429 Standard Guide for Selecting Surface Geophysical Methods

D7128 Standard Guide for Using the Seismic-Reflection Method for Shallow Subsurface Investigation

D7400 Standard Test Methods for Downhole Seismic Testing