Historical
ASTM D421-85(2007)
Standard Practice for Dry Preparation of Soil Samples for Particle-Size Analysis and Determination of Soil Constants
1.1 This practice covers the dry preparation of soil samples as received from the field for particle-size analysis and the determination of the soil constants.
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 and health practices and determine the applicability of regulatory limitations prior to use.
CONTENT PROVIDER
ASTM International [astm]
ASTM International [astm]