ASTM D 2974 : 2025

1.1These test methods cover the measurement of water (moisture) content, ash content, and organic material in peats and other organic soils, such as organic clays, silts, and mucks. This standard uses two different ways to determine the water content of the specimen based on the application for which the peat or organic soil is being used. Test Method D2216 provides for determining the water (moisture) content in mineral soils and rock.

1.2There are two Methods, A and B, for determining the ash content and organic material of peat or organic soils. For general classification purposes, Method A is used to determine the water content, ash content, and organic material. When the peat is being used as a fuel, Method B is used to determine the water content, ash content and organic material.

1.3Units—The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard.

1.4All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D6026.

1.5This 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.

1.6This 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.