CFR > Title 40 > Chapter I > Subchapter C > Part 98 > Subpart G CFR > Title 40 > Chapter I > Subchapter C > Part 98 > Subpart G – Ammonia Manufacturing Current as of: 2024 | Check for updates | Other versions § 98.70 Definition of source category § 98.71 Reporting threshold § 98.72 GHGs to report § 98.73 Calculating GHG emissions § 98.74 Monitoring and QA/QC requirements § 98.75 Procedures for estimating missing data § 98.76 Data reporting requirements § 98.77 Records that must be retained § 98.78 Definitions