Section R307-326-6 - Process Unit TurnaroundThe owner or operator of a petroleum refinery shall insure that a minimum of VOCs are emitted to the atmosphere during process unit turnarounds. The owner or operator shall develop and submit to the director for approval a procedure for minimizing VOC emissions during turnarounds. At a minimum the procedure shall provide for:
(1) venting of the process unit or vessel during depressurization and purging to a vapor recovery system, flare or firebox, and(2) preventing discharge to the atmosphere of emissions of VOCs from a process unit or vessel until its internal pressure is 136 kPa (19.7 psia) or less; or(3) an equally effective system provided the design and effectiveness of such system are documented and submitted to and approved by the director.(4) keeping records of the following items: (a) every date that each process unit or vessel is shut down;(b) the approximate vessel VOC concentration when the VOCs were first discharged to the atmosphere; and(c) the approximate total quantity of VOCs emitted to the atmosphere.(5) maintaining records. The records required in (4) above shall be kept for at least two years and shall be made available for review by the director or the director's representative.Utah Admin. Code R307-326-6