ASTM D5567-94(2001)

D4751-21a

Standard Test Methods for Determining Apparent Opening Size of a Geotextile (Includes all amendments and changes 9/23/2021).

D5084-24

Standard Test Methods for Measurement of Hydraulic Conductivity of Saturated Porous Materials Using a Flexible Wall Permeameter

D5101-23

Standard Test Method for Measuring the Filtration Compatibility of Soil-Geotextile Systems

D698-12(2021)

Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Standard Effort (12,400 ft-lbf/ft3 (600 kN-m/m3))

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

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)

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

D4647-06

Standard Test Method for Identification and Classification of Dispersive Clay Soils by the Pinhole Test

D4491-99a

Standard Test Methods for Water Permeability of Geotextiles by Permittivity

D4354-26

Standard Practice for Sampling of Geosynthetics and Rolled Erosion Control Products (RECPs) for Testing

D4439-25a

Standard Terminology for Geosynthetics (Includes all amendments and changes 9/30/2025).

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).