Washington Administrative Code
Title - Northwest Clean Air Agency
500 - REGULATED ACTIVITIES AND PROHIBITIONS
Sec2 580.2 - Petroleum Refineries

Universal Citation: WA Admin Code 580.2

Current through Register Vol. 24-24, December 15, 2024

580.21 This section shall apply to all petroleum refineries with a crude oil or feed stock capacity greater than three hundred eighteen thousand liters (2,000 barrels) per day.

580.22 It shall be unlawful for any person to cause or allow the disposal of VOC from the vacuum producing systems covered under this subsection except as follows:

580.221 Noncondensable VOC shall be piped to an appropriate firebox, incinerator or to a closed refinery system.

580.222 Hot wells associated with contact condensers shall be tightly covered and the collected VOC introduced into a closed refinery system.

580.23 It shall be unlawful for any person to cause or allow the operation of a wastewater separator with annual VOC emissions estimated by the NWCAA to exceed 25 tons, when such operation does not comply as follows:

580.231 Wastewater separator forebays shall incorporate a floating pontoon or fixed solid cover with all openings sealed totally enclosing the compartmented liquid contents, or a floating pontoon or a double deck-type cover equipped with closure seals between the cover edge and compartment wall. Collected vapors shall not be discharged to the atmosphere.

580.232 Accesses for gauging and sampling shall be designed to minimize VOC emissions during actual use. All access points shall be closed with suitable covers when not in use.

580.24 It shall be unlawful for any person to cause or allow a process unit turnaround which does not comply with the following conditions:

580.241 The VOC contained in a process unit to be depressurized for turnaround shall be introduced to a closed refinery system, combusted by a flare, or vented to a disposal system.

580.242 The VOC pressure in a process unit following depressurization for turnaround shall be less than five pounds per square inch gauge (psig) before venting to the ambient air.

580.243 The owner or operator shall keep a record of each process unit turnaround not in compliance with 580.242.

580.244 The owner or operator shall keep a record of each process unit turnaround listing the date the unit was shut down, the estimated vessel VOC concentration when the VOC was first emitted, and the estimated total quantity of VOC emitted.

580.25 Equipment for the reduction, collection or disposal of VOC shall be maintained and operated in a manner commensurate with accepted industrial practices.

580.26 Any petroleum refinery process unit, storage facility or other operation (including drains) subject to federal VOC or HAP standards (NSPS, Benzene Waste NESHAP, Petroleum Refinery NESHAP, etc.) is exempt from the requirements of NWCAA 580.3 through NWCAA 580.10. Such exemption shall take effect upon the date of required compliance with the federal standard.

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