CFR > Title 40 > Chapter I > Subchapter C > Part 98 > Subpart CC CFR > Title 40 > Chapter I > Subchapter C > Part 98 > Subpart CC – Soda Ash Manufacturing Current as of: 2024 | Check for updates | Other versions § 98.290 Definition of the source category § 98.291 Reporting threshold § 98.292 GHGs to report § 98.293 Calculating GHG emissions § 98.294 Monitoring and QA/QC requirements § 98.295 Procedures for estimating missing data § 98.296 Data reporting requirements § 98.297 Records that must be retained § 98.298 Definitions