{"data":{"id":"us/40-cfr-table-f-2-to-subpart-f-of-part-98","jurisdiction":"us","citation":"40 CFR Table F-2 to Subpart F of Part 98","heading":"Table F-2 to Subpart F of Part 98—Default Data Sources for Parameters Used for CO2 Emissions","body":"Parameter Data source\nCO2 Emissions from Prebake Cells (CWPB and SWPB)\nMP: metal production (metric tons Al) Individual facility records.\nNAC: net annual prebaked anode consumption per metric ton Al (metric tons C/metric tons Al) Individual facility records.\nSa: sulfur content in baked anode (percent weight) 2.0.\nAsha: ash content in baked anode (percent weight) 0.4.\nCO2 Emissions From Pitch Volatiles Combustion (CWPB and SWPB)\nMP: metal production (metric tons Al) Individual facility records.\nPC: annual paste consumption (metric ton/metric ton Al) Individual facility records.\nCSM: annual emissions of cyclohexane soluble matter (kg/metric ton Al) HSS: 4.0. VSS: 0.5.\nBC: binder content of paste (percent weight) Dry Paste: 24. Wet Paste: 27.\nSp: sulfur content of pitch (percent weight) 0.6.\nAshp: ash content of pitch (percent weight) 0.2.\nHp: hydrogen content of pitch (percent weight) 3.3.\nSc: sulfur content in calcined coke (percent weight) 1.9.\nAshc: ash content in calcined coke (percent weight) 0.2.\nCD: carbon in skimmed dust from Søderberg cells (metric ton C/metric ton Al) 0.01.\nCO2 Emissions from Pitch Volatiles Combustion (VSS and HSS)\nGA: initial weight of green anodes (metric tons) Individual facility records.\nHw: annual hydrogen content in green anodes (metric tons) 0.005 × GA.\nBA: annual baked anode production (metric tons) Individual facility records.\nWT: annual waste tar collected (metric tons) (a) 0.005 × GA.\n(a) Riedhammer furnaces (b) insignificant.\n(b) all other furnaces\nCO2 Emissions From Bake Furnace Packing Materials (CWPB and SWPB)\nPCC: annual packing coke consumption (metric tons/metric ton baked anode) 0.015.\nBA: annual baked anode production (metric tons) Individual facility records.\nSpc: sulfur content in packing coke (percent weight) 2.\nAshpc: ash content in packing coke (percent weight) 2.5.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 98—MANDATORY GREENHOUSE GAS REPORTING","Subpart F—Aluminum Production"],"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":"75fd20b89ac19e5255a4051d8a4368582bbc6e9d58f382f70321f4085a7b9dd9","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-f-1-to-subpart-f-of-part-98","next":"us/40-cfr-98.70"},"notice":"GroundRules: Original legal text. Not legal advice."}