Unit

Unit means a stationary, fossil-fuel-fired boiler, stationary, fossil-fuel-fired combustion turbine, or other stationary, fossil-fuel-fired combustion device. A unit that undergoes a physical change or is moved to a different location or source shall continue to be treated as the same unit. A unit (the replaced unit) that is replaced by another unit (the replacement unit) at the same or a different source shall continue to be treated as the same unit, and the replacement unit shall be treated as a separate unit.

Source

40 CFR § 97.702


Scoping language

The terms used in this subpart shall have the meanings set forth in this section as follows, provided that any term that includes the acronym CSAPR shall be considered synonymous with a term that is used in a SIP revision approved by the Administrator under 52.38 or 52.39 of this chapter and that is substantively identical except for the inclusion of the acronym TR in place of the acronym CSAPR:

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