ASTM D4186-89(1998)e1

D7015-13

Standard Practices for Obtaining Intact Block (Cubical and Cylindrical) Samples of Soils

D1587-08

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

D6913-04

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

D6519-15

Standard Practice for Sampling of Soil Using the Hydraulically Operated Stationary Piston Sampler

D6026-21

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

D4753-25

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

D4452-14

Standard Practice for X-Ray Radiography of Soil Samples

D4318-26

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

D4220-95(2000)

Standard Practices for Preserving and Transporting Soil Samples

D3740-26

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

D3550-01

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

D2488-26

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

D2487-17(2025)

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

D2435-04

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

D2216-19

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

D854-23

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

D653-26a

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