ASTM D4427-92(1997)

ASTM D4427-92(1997) - 1.1.1997

1. Scope

1.1 This classification is a system for subdividing and assigning nomenclature to peat samples through laboratory tests.

Note 1-A field classification of peat is presently being developed by Subcommittee D18.18.

2. Referenced Documents

D3740-26	Standard Practice for Minimum Requirements for Agencies Engaged in Testing of Soil and Rock as Used in Engineering Design and Construction
D2980-17	Standard Test Method for Saturated Density, Moisture-Holding Capacity, and Porosity of Saturated Peat Materials
D2976-22a	Standard Test Method for pH of Peat Materials (Includes all amendments and changes 11/1/2022).
D1997-25	Standard Test Method for Laboratory Determination of the Fiber Content of Peat and Organic Soils by Dry Mass
D653-26a	Standard Terminology Relating to Soil, Rock, and Contained Fluids (Includes all amendments and changes 6/15/2026).
D2974-25e1	Standard Test Methods for Determining the Water (Moisture) Content, Ash Content, and Organic Material of Peat and Other Organic Soils (Includes all amendments and changes 12/9/2025).