StacksVerified U.S. regulatory reference

40 CFR Part 52, Appendix F

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov

The table and figures in this appendix are cross-referenced in § 52.34.

Petitioning stateNamed source categories
ConnecticutFossil fuel-fired boilers or other indirect heat exchangers with a maximum gross heat input rate of 250 mmBtu/hr or greater and electric utility generating facilities with a rated output of 15 MW or greater.
MaineElectric utilities and steam-generating units with a heat input capacity of 250 mmBtu/hr or greater.
MassachusettsElectricity generating plants.
New HampshireFossil fuel-fired indirect heat exchange combustion units and fossil fuel-fired electric generating facilities which emit ten tons of NOX or more per day.
New YorkFossil fuel-fired boilers or indirect heat exchangers with a maximum heat input rate of 250 mmBtu/hr or greater and electric utility generating facilities with a rated output of 15 MW or greater.
PennsylvaniaFossil fuel-fired indirect heat exchange combustion units with a maximum rated heat input capacity of 250 mmBtu/hr or greater, and fossil fuel-fired electric generating facilities rated at 15 MW or greater.
Rhode IslandElectricity generating plants.
VermontFossil fuel-fired electric utility generating facilities with a maximum gross heat input rate of 250 mmBtu/hr or greater and potentially other unidentified major sources.

[64 FR 28323, May 25, 1999, as amended at 69 FR 31505, June 3, 2004]