(1) Out-of-Service production facilities shall have fluids, sludge, hydrocarbons, and solids removed and shall be disconnected from any pipelines and other in-service equipment.

(2) Out-of-Service production facilities shall be properly degassed in accordance with local air district requirements.

(3) Clean-out doors or hatches on Out-of-Service tanks shall be removed and a heavy gauge steel mesh grating (less than 1″ spacing) shall be secured over the opening to allow for visual inspection and prevent unauthorized access.

(4) Out-of-Service tanks and vessels shall be labeled with Out-of-Service or OOS. “Out-of-Service” or “OOS” shall be painted in bold letters at least one foot high, if possible, on the side of the tank or vessel at least five feet from the ground surface, or as high as possible, along with the date it was taken out of service.

(5) Out-of-Service production facilities shall have valves and fittings removed or secured to prevent unauthorized use.

(6) Pipelines associated with Out-of-Service tanks and pressure vessels shall be removed or flushed, filled with an inert fluid, and blinded.