Well-pad site
Well-pad site means all equipment on or associated with a single well-pad. Specifically, the well-pad site includes all equipment on a single well-pad plus all equipment associated with that single well-pad.
Source
40 CFR § 98.238
Scoping language
Except as provided in this section, all terms used in this subpart have the same meaning given in the Clean Air Act and subpart A of this part.