Emissions averaging
Emissions averaging is a way to comply with the emission limitations specified in a relevant standard, whereby an affected source, if allowed under a subpart of this part, may create emission credits by reducing emissions from specific points to a level below that required by the relevant standard, and those credits are used to offset emissions from points that are not controlled to the level required by the relevant standard.
Source
40 CFR § 63.2
Scoping language
The terms used in this part are defined in the Act or in this section as follows: