Maximum rated heat input capacity

Maximum rated heat input capacity means the hourly heat input to a unit (in mmBtu/hr), when it combusts the maximum amount of fuel per hour that it is capable of combusting on a steady state basis, as of the initial installation of the unit, as specified by the manufacturer.

Source

40 CFR § 98.6


Scoping language

All terms used in this part shall have the same meaning given in the Clean Air Act and in this section.

Is this correct? or