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ASTM D5192-08

Historical Revision

Standard Practice for Collection of Coal Samples from Core

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1.1 This practice describes procedures for collecting and handling a coal sample from a core recovered from a borehole.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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 and health practices and determine the applicability of regulatory limitations prior to use.

A properly collected sample that includes the total coal bed interval provides a sample that is a representative cross section of the coal bed at the point of sampling. Core samples are taken for subsequent testing needed for evaluation of coal quality and characterization for commercial evaluations, for planning of mining operations to maintain coal quality, for the determination of coal rank in accordance with Classification D 388, and for geologic coal resource studies.

Note 1—Because of the potential for lateral variability, a sample may not represent the quality of the coal bed at another sample point. The reliability of the data generated from core samples is dependent on the number and spacing of the sample points and the variability of the coal characteristics in a given area.

Moisture determined directly from a core sample shall be considered questionable in any core sample because of possible contamination from drilling fluids and groundwater. If a more representative estimate of the inherent moisture content of the core sample (with the exception of certain low-rank coals) is desired, the sample should be analyzed according to Test Method D 1412.

SDO ASTM: ASTM International
Document Number D5192
Publication Date May 1, 2008
Language en - English
Page Count 5
Revision Level 08
Supercedes
Committee D05.18
Publish Date Document Id Type View
June 1, 2009 D5192-09 Revision
May 1, 2008 D5192-08 Revision
Oct. 1, 2007 D5192-07 Revision
April 1, 2004 D5192-99R04E01 Revision
June 10, 1999 D5192-99 Revision
Not Available D5192-91 Revision
Sept. 1, 2015 D5192-09R15 Reaffirmation
April 1, 2004 D5192-99R04 Reaffirmation