Regulatory Text: 
Louisiana Administrative Code, Title 33 ENVIRONMENTAL QUALITY, Part III Air (LAC 33:III)

Chapter 21. Control of Emission of Organic Compounds

Subchapter G. Petroleum Refinery Operations

Section 2141.  Refinery Process Unit Turnarounds. LAc60
Approved by EPA 05/05/94 (59 FR 23166) at 52.970(c)(60) effective 06/06/94.

   Emissions of volatile organic compounds from petroleum refinery process unit turnarounds shall be controlled by pumping the liquid contents to storage and depressurizing the processing units to five psig (pounds per square inch gauge) or below before venting to the atmosphere. Control of the vapors during the depressurization prior to venting to atmosphere shall be accomplished by one of the applicable methods specified in LAC 33:III.2115.A, B and F.  Compliance shall be determined and records shall be kept as specified in LAC 33:III.2115.I, J and K.

   AUTHORITY NOTE:  Promulgated in accordance with R.S. 30:2054.
   HISTORICAL NOTE:  Promulgated by the Department of Environmental Quality, Office of Air Quality and Nuclear Energy, Air Quality Division, LR 13:741 (December 1987), amended by the Office of Air Quality and Radiation Protection, Air Quality Division, LR 17:654 (July 1991).