Code of Federal Regulations > Title 40 > Chapter I > Part 60 > Subpart TTTTa - Subpart TTTTa—Standards of Performance for Greenhouse Gas Emissions for Modified Coal-Fired Steam Electric Generating Units and New Construction and Reconstruction Stationary Combustion Turbine Electric Generating Units

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

APPLICABILITY

§ 60.5508a - What is the purpose of this subpart?

§ 60.5509a - Am I subject to this subpart?

EMISSION STANDARDS

§ 60.5515a - Which pollutants are regulated by this subpart?

§ 60.5520a - What CO2 emissions standard must I meet?

§ 60.5525a - What are my general requirements for complying with this subpart?

MONITORING AND COMPLIANCE DETERMINATION PROCEDURES

§ 60.5535a - How do I monitor and collect data to demonstrate compliance?

§ 60.5540a - How do I demonstrate compliance with my CO2 emissions standard and determine excess emissions?

NOTIFICATION, REPORTS, AND RECORDS

§ 60.5550a - What notifications must I submit and when?

§ 60.5555a - What reports must I submit and when?

§ 60.5560a - What records must I maintain?

§ 60.5565a - In what form and how long must I keep my records?

OTHER REQUIREMENTS AND INFORMATION

§ 60.5570a - What parts of the general provisions apply to my affected EGU?

§ 60.5575a - Who implements and enforces this subpart?

§ 60.5580a - What definitions apply to this subpart?

Appendix - Table 1 to Subpart TTTTa of Part 60—CO2 Emission Standards for Affected Stationary Combustion Turbines That Commenced Construction or Reconstruction After May 23, 2023 (Gross or Net Energy Output-Based Standards Applicable as Approved by the Administrator)

Appendix - Table 2 to Subpart TTTTa of Part 60—CO2 Emission Standards for Affected Steam Generating Units or IGCC That Commenced Modification After May 23, 2023

Appendix - Table 3 to Subpart TTTTa of Part 60—Applicability of Subpart A of Part 60 (General Provisions) to Subpart TTTTa