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Significance and Use
4.1 The purpose of this classification is to standardize the naming of peat materials so that the peat-producer can better identify the product and the peat-consumer can better select peat materials to meet requirements. This system may also be used for peat resource evaluations, environmental impact reports, and preliminary engineering studies. The parameters selected for use in this classification are ones which have been determined to relate to the agricultural/horticultural, geotechnical, and energy uses of peats.
Note 1: The quality of the result produced by this standard is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice are generally considered capable of competent and objective testing. Users of this standard are cautioned that compliance with Practice does not in itself assure reliable results. Reliable results depend on many factors; Practice provides a means of evaluating some of those factors.
1.1 This classification is a system for subdividing and assigning nomenclature to peat samples through laboratory tests.
1.2 Peat is considered to be a naturally occurring organic soil primarily derived from decomposing plant material that has sedentarily accumulated in water-saturated, anaerobic environments. It is found in peatlands, bogs, mangroves, mires, moors, and muskegs and is generally composed of mosses, grasses, leaves, sedges, and shrubs. Changes in depositional environment can create subsurface peat deposits underlying inorganic soils. Typically, peat has a low density, high water content, and is quite compressible when compared to other types of soil
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D653 Terminology Relating to Soil, Rock, and Contained Fluids
D1997 Test Method for Laboratory Determination of the Fiber Content of Peat Samples by Dry Mass
D2974 Test Methods for Moisture, Ash, and Organic Matter of Peat and Other Organic Soils
D2976 Test Method for pH of Peat Materials
D2980 Test Method for Saturated Density, Moisture-Holding Capacity, and Porosity of Saturated Peat Materials
D3740 Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction
ICS Number Code 65.080 (Fertilizers)
UNSPSC Code 15101603(Peat)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D4427-18, Standard Classification of Peat Samples by Laboratory Testing, ASTM International, West Conshohocken, PA, 2018, www.astm.orgBack to Top