CFR > Title 40 > Chapter I > Subchapter C > Part 98 > Subpart F CFR > Title 40 > Chapter I > Subchapter C > Part 98 > Subpart F – Aluminum Production Current as of: 2024 | Check for updates | Other versions § 98.60 Definition of the source category § 98.61 Reporting threshold § 98.62 GHGs to report § 98.63 Calculating GHG emissions § 98.64 Monitoring and QA/QC requirements § 98.65 Procedures for estimating missing data § 98.66 Data reporting requirements § 98.67 Records that must be retained § 98.68 Definitions