- 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

Affected EGU CO2 Emission standard Modified coal-fired steam generating unitA unit-specific emissions standard determined by an 88.4 percent reduction in the unit's best historical annual CO2 emission rate (from 2002 to the date of the modification).