Recordkeeping.
Recordkeeping. Owners and operators choosing to comply with the requirements of this section shall maintain the following records:
(1) Identification of the process unit(s) and the regulated materials they handle.
(2) A schematic of the process unit, enclosure, and closed vent system.
(3) A description of the system used to create a negative pressure in the enclosure to ensure that all emissions are routed to the control device.