{"data":{"id":"us/40-cfr-table-1-to-subpart-ja-of-part-60","jurisdiction":"us","citation":"40 CFR Table 1 to Subpart Ja of Part 60","heading":"Table 1 to Subpart Ja of Part 60—Molar Exhaust Volumes and Molar Heat Content of Fuel Gas Constituents","body":"Constituent MEVa dscf/mol MHCb Btu/mol\nMethane (CH4) 7.29 842\nEthane (C2 H6) 12.96 1,475\nHydrogen (H2) 1.61 269\nEthene (C2 H4) 11.34 1,335\nPropane (C3 H8) 18.62 2,100\nPropene (C3 H6) 17.02 1,947\nButane (C4 H10) 24.30 2,717\nButene (C4 H8) 22.69 2,558\nInerts 0.85 0\na MEV = molar exhaust volume, dry standard cubic feet per gram-mole (dscf/g-mol) at standard conditions of 68 °F and 1 atmosphere.\nb MHC = molar heat content (higher heating value basis), Btu per gram-mole (Btu/g-mol).","path":["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"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"6bfede45ba526ddc6072ce47e70c83c321b53be12f984f073644c1ed9023e583","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-60.109a","next":"us/40-cfr-60.110"},"notice":"GroundRules: Original legal text. Not legal advice."}