CFR > Title 40 > Chapter I > Subchapter C > Part 98 > Subpart X CFR > Title 40 > Chapter I > Subchapter C > Part 98 > Subpart X – Petrochemical Production Current as of: 2024 | Check for updates | Other versions § 98.240 Definition of the source category § 98.241 Reporting threshold § 98.242 GHGs to report § 98.243 Calculating GHG emissions § 98.244 Monitoring and QA/QC requirements § 98.245 Procedures for estimating missing data § 98.246 Data reporting requirements § 98.247 Records that must be retained § 98.248 Definitions