Regulatory Text: 
Oklahoma Administrative Code.  Title 252.  Department of Environmental Quality 

Chapter 100.  Air Pollution Control (OAC 252:100)

SUBCHAPTER 39.  EMISSION OF ORGANIC MATERIALS IN NONATTAINMENT AREAS

PART 3.  PETROLEUM REFINERY OPERATIONS
As adopted in the Oklahoma Register June 1, 1999 (16 Ok Reg 1774) effective June 11, 1999.
Approved by EPA December 29, 2008 (73 FR 79400) effective February 27, 2009 (OKd06).

Sections
252:100-39-15.  Petroleum refinery equipment leaks, OKd06
252:100-39-16.  Petroleum refinery process unit turnaround, OKd06
252:100-39-17.  Petroleum refinery vacuum producing system, OKd06
252:100-39-18.  Petroleum refinery effluent water separators, OKd06


252:100-39-15.  Petroleum refinery equipment leaks

     (a)  Definitions.  The following words and terms, when used in this Section, shall have the following meaning, unless the context clearly indicates otherwise.

          (1)  "Component" means any piece of equipment which has the potential to leak VOCs when tested in the manner described in EPA Test Method 21 of 40 CFR Part 60.  These sources include, but are not limited to, pumping seals, compressor seals, seal oil degassing vents, pipeline valves, flanges and other connections, pressure relief devices, process drains, and open ended pipes.  Excluded from these sources are valves which are not externally regulated.

          (2)  "Gas service" means any equipment which processes, transfers or contains a VOC or mixture of VOCs in the gaseous phase.

          (3)  "Leaking component" means a component which has a VOC concentration exceeding 10,000 ppmv when tested according to the provisions in 252:100-39-15(e).

          (4)  "Liquid service" means any equipment which processes, transfers or contains a VOC or mixture of VOCs in the liquid phase.

          (5)  "Valves not externally regulated" means valves that have no external controls, such as in-line check valves.

     (b)  Applicability.
          (1)  This Section applies to all petroleum refineries located in Tulsa County and Oklahoma County.
          (2)  VOCs with vapor pressures less than 0.0435 psia (0.3 kilopascals (kPa)) under actual storage conditions are exempt from 252:100-39-15.  (Effective 2-12-90.)

     (c)  Standards and operating requirements
          (1)  The owner or operator of a petroleum refinery subject to this Section shall:
               (A)  develop and conduct a monitoring program consistent with the provisions in 252:100-39-15(d) and 252:100-39-15(f);
               (B)  record all leaking components and place an identifying tag on each component consistent with the provisions in 252:100-39-15(f)(3);
               (C)  repair and retest the leaking components as soon as possible but no later than 15 days after the leak is found;
               (D)  identify all leaking components which cannot be repaired until the unit is shutdown for turnaround; and,
               (E)  assure all lines or pipes terminating with a valve are sealed with a second valve, a blind flange, a plug or a cap.
          (2)  The Division Director may require the owner or operator to take appropriate remedial action, including early unit turnaround, based on the number and severity of tagged leaks awaiting repair.
          (3)  Pipeline valves and pressure relief valves in gas service shall be marked in some manner that will be readily obvious to both petroleum refinery or contract personnel performing monitoring and the DEQ.

     (d)  Compliance schedule.  The owner or operator of a petroleum refinery shall submit to the Division Director a monitoring program by July 30, 1981.  This program shall contain, at a minimum, a list of the refinery units and the quarter in which they will be monitored, a copy of the log book format, and the make and model of the monitoring equipment to be used.  In no case shall a monitoring contract relieve the owner or operator of a petroleum refinery of the responsibility for compliance with this Section.

     (e)  Testing and monitoring procedures.  Testing and calibration procedures to determine compliance with this Section must be consistent with EPA Test Method 21 of 40 CFR Part 60.

     (f)  Monitoring.
          (1)  The owner or operator of a petroleum refinery shall conduct a monitoring program consistent with the following provisions.  The owner or operator shall:
               (A)  monitor yearly by the methods referenced in 252:100-39-15(e) all pump seals, pipeline valves in liquid service, and process drains;
               (B)  monitor quarterly by the methods referenced in 252:100-39-15-(e) all compressor seals, pipeline valves in gas service, and pressure relief valves in gas service;
               (C)  monitor weekly by visual methods all pump seals;
               (D)  monitor within 24 hours any pump seal from which VOC liquids are observed dripping;
               (E)  monitor any relief valve within 24 hours after it has vented to the atmosphere; and,
               (F)  monitor immediately after repair any component that was found leaking.
          (2)  Pressure relief devices that are connected to an operating flare header, vapor recovery devices, inaccessible valves, storage tank valves, and valves that are not externally regulated are exempt from the monitoring requirements in paragraph (1) of this subsection; provided, however, such inaccessible valves will be monitored during annual shutdown.
          (3)  The owner or operator of a petroleum refinery, upon the detection of a leaking component that is not repaired on discovery, shall affix a weatherproof and readily visible tag, bearing an identification number and the date the leak is located, to the leaking component.  This tag shall remain in place until the leaking component is repaired.

     (g)  Recordkeeping.
          (1)  The owner or operator of a petroleum refinery shall maintain a leaking components monitoring log which shall contain, at a minimum:
               (A)  the name of the process unit where the component is located;
               (B)  the type of component (e.g., valve, seal);
               (C)  the tag number of the component, if not repaired immediately on discovery;
               (D)  the date on which a leaking component is discovered;
               (E)  the date on which a leaking component is repaired;
               (F)  the date and instrument reading of the recheck procedure after a leaking component is repaired;
               (G)  the date of the calibration of the monitoring instrument which shall be made available for inspection on request;
               (H)  those leaks that cannot be repaired until turnaround; and,
               (I)  the total number of components checked and the total number of components found leaking.
          (2)  The monitoring log shall be retained on site by the owner or operator for at least two years after the date on which the record was made or the report prepared.
          (3)  The monitoring log shall be made available for inspection at any reasonable time and copies of the log shall be provided to the Division Director, upon written request of the AQD.

     (h)  Reporting.  The owner or operator of a petroleum refinery shall:
          (1)  submit a report to the Division Director by the 30th day following the end of each calendar quarter that lists all leaking components that were located during the previous quarter but not repaired within 15 days, all leaking components awaiting unit turnaround, and the total number of components found leaking; and,
          (2)  submit a signed statement with the report attesting to the fact that all monitoring and, with the exception of those leaking components listed in 252:100-39-15(h)(1), all repairs were performed as stipulated in the monitoring program.


252:100-39-16.  Petroleum refinery process unit turnaround

     (a)  Definition.  "Turnaround" means the planned procedure of shutting down a unit, inspecting and repairing it, and restarting it.

     (b)  Procedures required.  For the shutdown, purging and blowdown operation of any petroleum refinery processing unit the following procedures are required:
          (1)  Recovery of VOCs shall be accomplished during the shutdown or turnaround to a process unit pressure compatible with the flare or vapor system pressure.  The unit shall then be purged or flushed to a flare or vapor recovery system using a suitable material such as steam, water or nitrogen.  The unit shall not be vented to the atmosphere until pressure is reduced to less than 5 psig through control devices.
          (2)  Except where inconsistent with the "Minimum Federal Safety Standards for the Transportation of Natural and Other Gas by Pipeline," or any State of Oklahoma regulatory agency, no person shall emit VOC gases to the atmosphere from a vapor recovery blowdown system unless these gases are burned by smokeless flares or an equally effective control device as approved by the Division Director.
          (3)  At least fifteen days prior to a scheduled turnaround, a written notification shall be submitted to the Division Director.  As a minimum, the notification shall indicate the unit to be shutdown, the date of shutdown, and the approximate quantity of VOCs to be emitted to the atmosphere.
          (4)  Scheduled refinery unit turnaround may be accomplished without the controls specified in 252:100-39-16(b)(1) and 252:100-39-16(b)(2) during non-oxidant seasons provided the notification to the Division Director as required in 252:100-39-16(b)(3) specifically contains a request for such an exemption.  The non-oxidant season is from November 1 through March 31.


252:100-39-17.  Petroleum refinery vacuum producing system

     (a)  Definitions.  The following words and terms, when used in this Section, shall have the following meaning, unless the context clearly indicates otherwise.
          (1)  "Accumulator" means the vessel in the overhead stream of any fractionating tower, after the overhead condenses and separates noncondensable gases, liquid VOCs and water.
          (2)  "Hotwell" means the tank at the bottom of the barometer leg in a barometric condenser system to receive the water, condensate and entrained VOCs generated by the barometric condenser.

     (b)  Requirements.  Noncondensable VOCs emitted from any of the vacuum producing systems listed in paragraphs (1) through (3) of this subsection shall be incinerated or reduced by 90 percent of what would be emitted without controls.
          (1)  Steam ejectors with barometric condensers.
          (2)  Steam ejectors with surface condensers.
          (3)  Mechanical vacuum pumps.

     (c)  Hotwells and accumulators.
          (1)  Hot wells and accumulators shall be covered and the noncondensable vapors shall be vented to a fire-box or incinerator.
          (2)  The presence of a pilot flame shall be monitored using a thermocouple or any other equivalent device to detect the presence of a flame.  (Effective February 12, 1990)

     (d)  Compliance.  Compliance shall be determined in accordance with the provision of the CTG document ("Control of Refinery Vacuum Producing systems, Wastewater Separators and Process Unit Turnarounds," EPA 450/2-77-025, October, 1977).  Test reports and maintenance records shall be maintained for at least two years.  If emission testing is required, the appropriate test method(s) selected from EPA Reference Methods l through 4, 21, and/or 25, shall be utilized.


252:100-39-18.  Petroleum refinery effluent water separators

     (a)  Definition.  "Effluent water separator" means any container in which any VOC floating on, entrained in, or contained in water entering the container is physically separated and removed from the water prior to discharge of the water from the container.

     (b)  Requirements.  No owner or operator shall operate or install a single-compartment or multiple-compartment effluent water separator  unless the compartment receiving the effluent water is equipped to control emissions in one of the following ways.
          (1)  The container totally encloses the liquid contents and all openings are sealed.  All gauging and sampling devices shall be gas-tight except when gauging or sampling is taking place.  The oil removal devices shall be gas-tight except when manual skimming, inspection and/or repair is in progress.
          (2)  The container is equipped with a vapor-recovery system, consisting of a vapor-gathering system capable of collecting the VOC vapors and gases discharged and a vapor-disposal system capable of processing such VOC vapors and gases to prevent their emission to the atmosphere.  All tank gauging and sampling devices shall be gas-tight except when gauging or sampling is taking place.  The VOC removal devices shall be gas-tight except when manual skimming, inspection and/or repair is in progress.
          (3)  A container that is equipped with controls of equal efficiency, provided the plans and specifications are approved by the Division Director prior to their use.