- Table 1 to Subpart Ja of Part 60 - Molar Exhaust Volumes and Molar Heat Content of Fuel Gas Constituents

Constituent MEV a
dscf/mol
MHC b
Btu/mol
Methane (CH4)7.29842
Ethane (C2H6)12.961,475
Hydrogen (H2)1.61269
Ethene (C2H4)11.341,335
Propane (C3H8)18.622,100
Propene (C3H6)17.021,947
Butane (C4H10)24.302,717
Butene (C4H8)22.692,558
Inerts0.850

a MEV = molar exhaust volume, dry standard cubic feet per gram-mole (dscf/g-mol) at standard conditions of 68 °F and 1 atmosphere.

b MHC = molar heat content (higher heating value basis), Btu per gram-mole (Btu/g-mol).

[77 FR 56480, Sep. 12, 2012]