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ASTM D4621-99

Historical Revision

Standard Guide for Quality Management in an Organization That Samples or Tests Coal and Coke (Withdrawn 2010)

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1.1 This guide describes the essential aspects including the development of statistical process control (SPC) charts of an accountability and quality control program for a coal analysis laboratory.

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.


SDO ASTM: ASTM International
Document Number D4621
Publication Date Dec. 10, 1999
Language en - English
Page Count 16
Revision Level 99
Supercedes
Committee D05.30
Publish Date Document Id Type View
Oct. 1, 2004 D4621-99R04 Revision
Dec. 10, 1999 D4621-99 Revision