D4542 Standard Test Method for Pore Water Extraction and Determination of the Soluble Salt Content of Soils by Refractometer

2. Referenced Documents

D653 Terminology Relating to Soil, Rock, and Contained Fluids
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
E832 Specification for Laboratory Filter Papers
GG-S-945a Specification for Syringe and Needle, Disposable, Hypodermic, Sterile, Single Injection