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ASTM D7430-18a

Historical Revision

Standard Practice for Mechanical Sampling of Coal

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1.1 This practice is divided into four parts: A, B, C, and D. These four parts represent the previous standards D7256/D7256M, D4916, D4702, and D6518. These four standards are the four that govern the mechanical sampling of coal and have been combined into one document for the ease of reference of the users of these standards.

1.2 The scope of Part A can be found in Section 4.

1.3 The scope of Part B can be found in Section 13.

1.4 The scope of Part C can be found in Section 19.

1.5 The scope of Part D can be found in Section 32.

1.6 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Sections 7, 11.2.2, 21, 1.4, and 38.1.1.

1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


6.1 It is intended that this practice be used to provide a sample representative of the coal from which it is collected. Because of the variability of coal and the wide variety of mechanical sampling equipment available, caution should be used in all stages of the sample collection process, the design of sampling system specifications, the equipment procurement and the acceptance testing of installed equipment.

6.2 After removal from the sampling system and further preparation (Practice D2013/D2013M), the sample may be analyzed for a number of different parameters. These parameters may define the lot's value, its ability to meet specifications, its environmental impact, as well as other properties.

SDO ASTM: ASTM International
Document Number D7430
Publication Date April 15, 2018
Language en - English
Page Count 47
Revision Level 18a
Supercedes
Committee D05.23
Publish Date Document Id Type View
April 15, 2018 D7430-18AE01 Revision
April 15, 2018 D7430-18A Revision
March 1, 2018 D7430-18 Revision
Nov. 1, 2017 D7430-17 Revision
Sept. 15, 2016 D7430-16BE01 Revision
Sept. 15, 2016 D7430-16B Revision
June 15, 2016 D7430-16A Revision
June 1, 2016 D7430-16 Revision
Nov. 1, 2015 D7430-15B Revision
May 15, 2015 D7430-15A Revision
Feb. 1, 2015 D7430-15 Revision
May 15, 2014 D7430-14 Revision
April 1, 2013 D7430-13 Revision
Nov. 1, 2012 D7430-12B Revision
Oct. 1, 2012 D7430-12A Revision
May 15, 2012 D7430-12 Revision
Oct. 1, 2011 D7430-11AE01 Revision
Oct. 1, 2011 D7430-11A Revision
June 1, 2011 D7430-11 Revision
Sept. 1, 2010 D7430-10B Revision
May 1, 2010 D7430-10A Revision
Feb. 1, 2010 D7430-10 Revision
Nov. 1, 2009 D7430-09 Revision
Oct. 1, 2008 D7430-08AE01 Revision
Oct. 1, 2008 D7430-08A Revision
Feb. 1, 2008 D7430-08 Revision