40 CFR Part 98, Table F-1
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| Technology | CF4 slope coefficient[(kg CF4/metric ton Al)/(AE-Mins/cell-day)] | CF4 overvoltage coefficient[(kg CF4/metric ton Al)/(mV)] | Weight fraction C2 F6/CF4[(kg C2 F6/kg CF4)] |
|---|---|---|---|
| Center Worked Prebake (CWPB) | 0.143 | 1.16 | 0.121 |
| Side Worked Prebake (SWPB) | 0.272 | 3.65 | 0.252 |
| Vertical Stud Søderberg (VSS) | 0.092 | NA | 0.053 |
| Horizontal Stud Søderberg (HSS) | 0.099 | NA | 0.085 |
[75 FR 79156, Dec. 17, 2010]