GroundRules
40 CFR Table 1 to Subpart Ja of Part 60: Table 1 to Subpart Ja of Part 60—Molar Exhaust Volumes and Molar Heat Content of Fuel Gas Constituents
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER C—AIR PROGRAMS
- PART 60—STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES
- Subpart Ja—Standards of Performance for Petroleum Refineries for Which Construction, Reconstruction, or Modification Commenced After May 14, 2007
Constituent MEVa dscf/mol MHCb Btu/mol
Methane (CH4) 7.29 842
Ethane (C2 H6) 12.96 1,475
Hydrogen (H2) 1.61 269
Ethene (C2 H4) 11.34 1,335
Propane (C3 H8) 18.62 2,100
Propene (C3 H6) 17.02 1,947
Butane (C4 H10) 24.30 2,717
Butene (C4 H8) 22.69 2,558
Inerts 0.85 0
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).
Collected 2026-08-27T02:26:04Z. Source file · JSON