40 CFR Table 1 to Subpart ZZ of Part 98: Table 1 to Subpart ZZ of Part 98—CO2 Emission Factors for Carbonate-Based Raw Materials

Table 1 to Subpart ZZ of Part 98—CO2 Emission Factors for Carbonate-Based Raw Materials

Carbonate Mineral name(s) CO2 emission factor a

BaCO3 Witherite, Barium carbonate 0.223

CaCO3 Limestone, Calcium Carbonate, Calcite, Aragonite 0.440

Ca(Fe,Mg,Mn)(CO3)2 Ankerite b 0.408-0.476

CaMg(CO3)2 Dolomite 0.477

FeCO3 Siderite 0.380

K2 CO3 Potassium carbonate 0.318

Li2 CO3 Lithium carbonate 0.596

MgCO3 Magnesite 0.522

MnCO3 Rhodochrosite 0.383

Na2 CO3 Sodium carbonate, Soda ash 0.415

SrCO3 Strontium carbonate, Strontianite 0.298

a Emission factors are in units of metric tons of CO2 emitted per metric ton of carbonate-based material.

b Ankerite emission factors are based on a formula weight range that assumes Fe, Mg, and Mn are present in amounts of at least 1.0 percent.