ASTM D4546-03

D2487-17(2025)

Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)

D2488-26

Standard Practice for Description and Identification of Soils for Engineering Purposes (Visual-Manual Procedures)

D3550-01

Standard Practice for Thick Wall, Ring-Lined, Split Barrel, Drive Sampling of Soils

D3740-26

Standard Practice for Minimum Requirements for Agencies Engaged in Testing of Soil and Rock as Used in Engineering Design and Construction

D4220-95(2000)

Standard Practices for Preserving and Transporting Soil Samples

D4318-17

Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils

D4718-87(2001)

Standard Practice for Correction of Unit Weight and Water Content for Soils Containing Oversize Particles

D4753-25

Standard Guide for Evaluating, Selecting, and Specifying Balances and Standard Masses for Use in Soil, Rock, and Construction Materials Testing

D6026-21

Standard Practice for Using Significant Digits and Data Records in Geotechnical Data

D6027-96e1

Standard Test Method for Calibrating Linear Displacement Transducers for Geotechnical Purposes

C127-25

Standard Test Method for Relative Density (Specific Gravity) and Absorption of Coarse Aggregate

D6913-04

Standard Test Methods for Particle-Size Distribution (Gradation) of Soils Using Sieve Analysis

D422-63(1998)

Standard Test Method for Particle-Size Analysis of Soils

D653-26a

Standard Terminology Relating to Soil, Rock, and Contained Fluids (Includes all amendments and changes 6/15/2026).

D854-23

Standard Test Methods for Specific Gravity of Soil Solids by the Water Displacement Method

D1587-08

Standard Practice for Thin-Walled Tube Sampling of Soils for Geotechnical Purposes

D2216-19

Standard Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass

D2435-04

Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading