CFR > Title 40 > Chapter I > Subchapter C > Part 98 > Subpart E CFR > Title 40 > Chapter I > Subchapter C > Part 98 > Subpart E – Adipic Acid Production Current as of: 2024 | Check for updates | Other versions § 98.50 Definition of source category § 98.51 Reporting threshold § 98.52 GHGs to report § 98.53 Calculating GHG emissions § 98.54 Monitoring and QA/QC requirements § 98.55 Procedures for estimating missing data § 98.56 Data reporting requirements § 98.57 Records that must be retained § 98.58 Definitions