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Electronic Code of Federal Regulations

e-CFR data is current as of November 18, 2019

Title 40Chapter ISubchapter CPart 98Subpart F → Appendix


Title 40: Protection of Environment
PART 98—MANDATORY GREENHOUSE GAS REPORTING
Subpart F—Aluminum Production


Table F-1 to Subpart F of Part 98—Slope and Overvoltage Coefficients for the Calculation of PFC Emissions From Aluminum Production

TechnologyCF4 slope coefficient
[(kg CF4/metric ton Al)/(AE-Mins/cell-day)]
CF4 overvoltage coefficient
[(kg CF4/metric ton Al)/(mV)]
Weight fraction C2F6/CF4
[(kg C2F6/kg CF4)]
Center Worked Prebake (CWPB)0.1431.160.121
Side Worked Prebake (SWPB)0.2723.650.252
Vertical Stud Søderberg (VSS)0.092NA0.053
Horizontal Stud Søderberg (HSS)0.099NA0.085

[75 FR 79156, Dec. 17, 2010]

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