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1.1 This practice describes procedures for collecting a coal sample from a channel extending from top to bottom in the face of a coal seam in a mine.
1.2 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. For specific precautionary information, see Note 2.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D121 Terminology of Coal and Coke
D388 Classification of Coals by Rank
D2234/D2234M Practice for Collection of a Gross Sample of Coal
D2796 Terminology for Megascopic Description of Coal and Coal Seams and Microscopical Description and Analysis of Coal
D4371 Test Method for Determining the Washability Characteristics of Coal
ICS Number Code 73.040 (Coals)