ASTM D3740 Standard Practice for Minimum Requirements for Agencies Engaged in the Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction
ASTM D6026 Standard Practice for Using Significant Digits in Geotechnical Data
ASTM D653 Standard Terminology Relating to Soil, Rock, and Contained Fluids
ASTM E7 Standard Terminology Relating to Metallography
ASTM D4452/D4452M-22 history
2022ASTM D4452/D4452M-22 Standard Practice for X-Ray Radiography of Soil Samples
2014ASTM D4452-14 Standard Practice for X-Ray Radiography of Soil Samples
2006ASTM D4452-06 Standard Practice for X-Ray Radiography of Soil Samples
1985ASTM D4452-85(2002)e1 Standard Test Methods for X-Ray Radiography of Soil Samples