D420 Standard Guide for Site Characterization for Engineering Design and Construction Purposes
D3385 Standard Test Method for Infiltration Rate of Soils in Field Using Double-Ring Infiltrometer
D653 Terminology Relating to Soil, Rock, and Contained Fluids
D3385 Test Method for Infiltration Rate of Soils in Field Using Double-Ring Infiltrometer
D3740 Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction
D6026 Practice for Using Significant Digits in Geotechnical Data