ASTM-D5451 › Standard Practice for Sampling Using a Trier Sampler
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1.1 This practice covers sampling using a trier. A trier resembles an elongated scoop as shown in . The trier is used to collect samples of granular or powdered materials that are moist or sticky and have a particle diameter less than one-half the diameter of the trier.
1.2 The trier can be used as a vertical coring device only when it is certain that a relatively complete and cylindrical sample can be extracted.
1.3 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.
sampling; soil sampling; trier; waste;; ICS Number Code 13.080.01 (Soil quality in general)
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1993 R16 EDITION
Sept. 15, 2016