Gathering and boosting system owner or operator
Gathering and boosting system owner or operator means any person that holds a contract in which they agree to transport petroleum or natural gas from one or more onshore petroleum and natural gas production wells or one or more other gathering and boosting systems to a downstream endpoint, typically a natural gas processing facility, another gathering and boosting system, a natural gas transmission pipeline, or a distribution pipeline, or any person responsible for custody of the petroleum or natural gas transported.
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.