40 CFR Table U-1 to Subpart U of Part 98
CO2 Emission Factors for Common Carbonates
June 9, 2020
CFR
Open Table
Mineral name—carbonate CO2 emission factor
(tons CO2/ton carbonate)
Limestone—CaCO3 0.43971
Magnesite—MgCO3 0.52197
Dolomite—CaMg(CO3)2 0.47732
Siderite—FeCO3 0.37987
Ankerite—Ca(Fe, Mg, Mn)(CO3)2 0.47572
Rhodochrosite—MnCO3 0.38286
Sodium Carbonate/Soda Ash—Na2CO3 0.41492

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