Uptime

Uptime means the ratio of the total time during which the abatement system is in an operational mode, to the total time during which production process tool connected to that abatement system are normally in operation.

Source

40 CFR § 98.98

Scoping language

Except as provided in this section, all of the terms used in this subpart have the same meaning given in the Clean Air Act and subpart A of this part. If a conflict exists between a definition provided in this subpart and a definition provided in subpart A, the definition in this subpart takes precedence for the reporting requirements in this subpart.