40 CFR Part 98, Table N-1
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| Carbonate-basedraw material—mineral | CO2 emission factor a |
|---|---|
| Limestone—CaCO3 | 0.44 |
| Dolomite—CaMg(CO3)2 | 0.477 |
| Sodium carbonate/soda ash—Na2 CO3 | 0.415 |
| Barium carbonate—BaCO3 | 0.223 |
| Potassium carbonate—K2 CO3 | 0.318 |
| Lithium carbonate (Li2 CO3) | 0.596 |
| Strontium carbonate (SrCO3) | 0.298 |
a Emission factors in units of metric tons of CO2 emitted per metric ton of carbonate-based raw material charged to the furnace.
[74 FR 56374, Oct. 30, 2009, as amended at 75 FR 66462 , Oct. 28, 2010]