{"data":{"id":"us/40-cfr-table-1-to-subpart-zz-of-part-98","jurisdiction":"us","citation":"40 CFR Table 1 to Subpart ZZ of Part 98","heading":"Table 1 to Subpart ZZ of Part 98—CO2 Emission Factors for Carbonate-Based Raw Materials","body":"Table 1 to Subpart ZZ of Part 98—CO2 Emission Factors for Carbonate-Based Raw Materials\nCarbonate Mineral name(s) CO2 emission factor a\nBaCO3 Witherite, Barium carbonate 0.223\nCaCO3 Limestone, Calcium Carbonate, Calcite, Aragonite 0.440\nCa(Fe,Mg,Mn)(CO3)2 Ankerite b 0.408-0.476\nCaMg(CO3)2 Dolomite 0.477\nFeCO3 Siderite 0.380\nK2 CO3 Potassium carbonate 0.318\nLi2 CO3 Lithium carbonate 0.596\nMgCO3 Magnesite 0.522\nMnCO3 Rhodochrosite 0.383\nNa2 CO3 Sodium carbonate, Soda ash 0.415\nSrCO3 Strontium carbonate, Strontianite 0.298\na Emission factors are in units of metric tons of CO2 emitted per metric ton of carbonate-based material.\nb 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.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 98—MANDATORY GREENHOUSE GAS REPORTING","Subpart ZZ—Ceramics Manufacturing"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"2c6a1276cf5bfd1ab52e1907932b2079c07c31b1fd99dbcc511756f5293ccfc0","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-98.528","next":"us/40-cfr-104.1"},"notice":"GroundRules: Original legal text. Not legal advice."}