ASTM-D4891 Complete Document History
Standard Test Method for Heating Value of Gases in Natural Gas and Flare Gases Range by Stoichiometric Combustion

Complete Current Edition:
   2013 R18 EDITION - REAFFIRMED IN 2018 - Sept. 17, 2018

Obsolete Revision Information:
   2013 EDITION - Heating Value of Gases in Natural Gas and Flare Gases Range by Stoichiometric Combustion - June 1, 2013
   1989 R06 EDITION - REAPPROVED IN 2006 - June 1, 2006
   1989 R94(E1) EDITION - Heating Value of Gases in Natural Gas and Flare Gases Range - July 1, 1994
   1989 EDITION - Heating Value of Gases in Natural Gas and Flare Gases Range - Jan. 27, 1989
   1989 R01 EDITION - REAPPROVED IN 2001 - Jan. 27, 1989