Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
All TitlesTitle 40Chapter IPart 98Subpart UAppendix - Table U-1 to Subpart U of Part 98—CO2 Emission Factors for Common Carbonates
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Appendix - Table U-1 to Subpart U of Part 98—CO2 Emission Factors for Common Carbonates
Mineral name—carbonate CO2 emission factor
(tons CO2/ton carbonate)
Limestone—CaCO30.43971
Magnesite—MgCO30.52197
Dolomite—CaMg(CO3)20.47732
Siderite—FeCO30.37987
Ankerite—Ca(Fe, Mg, Mn)(CO3)20.47572
Rhodochrosite—MnCO30.38286
Sodium Carbonate/Soda Ash—Na2CO30.41492
authority: 42 U.S.C. 7401-7671q.
source: 74 FR 56374, Oct. 30, 2009, unless otherwise noted.
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