Affected source
Affected source means the stationary source or group of stationary sources which, when fabricated (on site), erected, or installed meets the definition of construct a major source or the definition of reconstruct a major source contained in this section.
Source
40 CFR § 63.41
Scoping language
Terms used in this subpart that are not defined in this section have the meaning given to them in the Act and in subpart A.