ASTM-D8221 › Complete Document History
Standard Practice for Determining the Calculated Methane Number (MNC) of Gaseous Fuels Used in Internal Combustion Engines

Complete Current Edition:
   2023 EDITION - Standard Practice for Determining the Calculated Methane Number (MN<inf>C</inf>) of Gaseous Fuels Used in Internal Combustion Engines - June 2, 2023

Obsolete Revision Information:
   2018A(E1) EDITION - EDITORIALLY CORRECTED - Aug. 1, 2019
   2018A EDITION - Determining the Calculated Methane Number (MNC) of Gaseous Fuels Used in Internal Combustion Engines - April 1, 2019
   2018 EDITION - Gaseous Fuels Used in Internal Combustion Engines - Sept. 1, 2018