U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 30, 2025

All TitlesTitle 40Chapter IPart 98Subpart Y - Subpart Y—Petroleum Refineries
§ 98.250 - Definition of source category.
§ 98.251 - Reporting threshold.
§ 98.252 - GHGs to report.
§ 98.253 - Calculating GHG emissions.
§ 98.254 - Monitoring and QA/QC requirements.
§ 98.255 - Procedures for estimating missing data.
§ 98.256 - Data reporting requirements.
§ 98.257 - Records that must be retained.
§ 98.258 - Definitions.
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