End box ventilation system

End box ventilation system means all vessels, piping, and equipment that evacuate the head space of each mercury cell end box (and possibly other vessels and equipment) to the atmosphere. The end box ventilation system begins at the end box (and other vessel or equipment which is being evacuated) and terminates at the end box ventilation system vent. The end box ventilation system includes all control devices.

Source

40 CFR § 63.8266

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Scoping language

Terms used in this subpart are defined in the CAA, in 63.2, and in this section as follows:

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