40 CFR Part 98, Table F-2
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Parameter | Data source
CO2 Emissions from Prebake Cells (CWPB and SWPB)
| MP: metal production (metric tons Al) | Individual facility records. |
|---|---|
| NAC: net annual prebaked anode consumption per metric ton Al (metric tons C/metric tons Al) | Individual facility records. |
| Sa: sulfur content in baked anode (percent weight) | 2.0. |
| Asha: ash content in baked anode (percent weight) | 0.4. |
CO2 Emissions From Pitch Volatiles Combustion (CWPB and SWPB)
| MP: metal production (metric tons Al) | Individual facility records. |
|---|---|
| PC: annual paste consumption (metric ton/metric ton Al) | Individual facility records. |
| CSM: annual emissions of cyclohexane soluble matter (kg/metric ton Al) | HSS: 4.0.VSS: 0.5. |
| BC: binder content of paste (percent weight) | Dry Paste: 24.Wet Paste: 27. |
| Sp: sulfur content of pitch (percent weight) | 0.6. |
| Ashp: ash content of pitch (percent weight) | 0.2. |
| Hp: hydrogen content of pitch (percent weight) | 3.3. |
| Sc: sulfur content in calcined coke (percent weight) | 1.9. |
| Ashc: ash content in calcined coke (percent weight) | 0.2. |
| CD: carbon in skimmed dust from Søderberg cells (metric ton C/metric ton Al) | 0.01. |
CO2 Emissions from Pitch Volatiles Combustion (VSS and HSS)
| GA: initial weight of green anodes (metric tons) | Individual facility records. |
|---|---|
| Hw: annual hydrogen content in green anodes (metric tons) | 0.005 × GA. |
| BA: annual baked anode production (metric tons) | Individual facility records. |
| WT: annual waste tar collected (metric tons) | (a) 0.005 × GA. |
| (a) Riedhammer furnaces | (b) insignificant. |
(b) all other furnaces |
CO2 Emissions From Bake Furnace Packing Materials (CWPB and SWPB)
| PCC: annual packing coke consumption (metric tons/metric ton baked anode) | 0.015. |
|---|---|
| BA: annual baked anode production (metric tons) | Individual facility records. |
| Spc: sulfur content in packing coke (percent weight) | 2 |
| Ashpc: ash content in packing coke (percent weight) | 2.5. |
[74 FR 56374, Oct. 30, 2009, as amended at 75 FR 79156, Dec. 17, 2010]