ASTM D4427-92(2002)e1

ASTM D4427-92(2002)e1 - 15.7.1992

1. Scope

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

1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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).