Okla. Admin. Code § 165:25-1-11
In addition to the terms defined in 17 O.S. §§ 303 and 348, the following words or terms, when used in this Chapter, shall have the following meaning unless the context clearly indicates otherwise:
"Agent" means a person authorized by another to act on their behalf, either out of employment or contract.
"Airport" means landing facility for aircraft that are routinely available for public use (whether routinely used or not). Airports as used in this Chapter do not include private airstrips or private airports.
"Airport hydrant system" means an underground storage tank system which fuels aircraft and operates under high pressure with large diameter piping that typically terminates into one (1) or more hydrants (fill stands). The airport hydrant system begins where fuel enters one (1) or more tanks from an external source, such as a pipeline, barge, rail car, or other motor fuel carrier.
"ATG" means automatic tank gauge.
"Ball float functionality" means the ball float is operational as designed.
"BTEX" means benzene, toluene, ethylbenzene and xylene.
"Bulk plant" means a petroleum storage tank facility where regulated substances are received by tank vessels, pipelines, tank cars or tank vehicles and are stored or blended in mass quantities or bulk for the purpose of distribution by a tank vessel, tank car, tank vehicle, portable tank or other container, for wholesale or retail sale.
"Cathodic protection" means a technique designed to prevent the corrosion of a metal surface by making that surface the cathode of an electrochemical cell. For example, protection can be accomplished with an impressed current system or a galvanic anode system.
"Change in service" means a change in the status of a storage tank (i.e., from currently in use to temporarily out of use); or change of regulated substance that a storage tank contains.
"Commission" or "OCC" means the Oklahoma Corporation Commission.
"Compatible" means the ability of two (2) or more substances to maintain their respective physical properties upon contact with one another for the design life of the petroleum storage tank system under conditions likely to be encountered in the system.
"Corrosion expert" means an individual having the requisite knowledge, experience, certification, and training to design and install corrosion protection systems.
"EPA" means the United States Environmental Protection Agency.
"Electronic signature" means an electronic signature as defined in OAC 165:5-1-3.
"Farm tank" is a tank located on a tract of land devoted to the production of crops or raising animals, including fish, and associated residences and improvements. A farm tank must be located on the farm property. "Farm" includes but is not limited to fish hatcheries, rangeland, and nurseries with growing operations.
"Field constructed tank" means a tank constructed in the field such as a tank constructed of concrete that is poured in the field, or a steel or fiberglass tank primarily fabricated in the field.
"Financial responsibility" shall have the same meaning in this Chapter as in 40 CFR 280 Subpart H.
"Financial security" means holding financial security in a tank system or facility site and is not considered ownership of a tank system unless certain criteria of 40 CFR 280 Subpart H is met.
"Fleet and Commercial" means any facility as defined in this Chapter that uses underground storage tanks to store regulated substances for use in its own vehicles or equipment.
"Flow-through process tank" means a tank that forms an integral part of a production process through which there is a steady, variable, recurring or intermittent flow of material during the operation of the process. Flow-through process tanks do not include tanks used for the storage of materials prior to their introduction to the process or for the storage of finished products or by-products from the production process.
"Formal Enforcement Action" means the process of ensuring compliance with Commission regulations, rules, orders, requirements, standards, and/or state law when a violation occurs and PSTD initiates an enforcement Complaint under the contempt procedure in Oklahoma Administrative Code (OAC) 165:5 Subchapter 19 to be heard at the Commission by an Administrative Law Judge or the Commissioners.
"Gathering lines" means a gathering line or gathering system as defined in OAC 165:45-1-2.
"Important building" means a building that is considered not expendable in an exposure fire.
"Inert material" means a solid, motionless substance that is neither chemically nor biologically reactive, is denser than water, and will not decompose. Examples of inert material include sand and concrete, or as otherwise approved by PSTD staff.
"Lender liability" shall have the same meaning in this Chapter as in 40 CFR 280 Subpart I.
"Licensed Environmental Consultant" means an individual who has a current license issued by PSTD to perform corrective action.
"Maintenance" means the normal operational upkeep necessary to prevent a petroleum storage tank system from releasing product.
"Marina" means any fuel storage tank system located on or by the water for the purpose of fueling watercraft.
"Observation well" means a cased and screened boring or drilled hole, installed within the tank excavation or piping trench that can be used for the continuous or periodic evaluation of groundwater quality or the detection of soil vapors as a method of release detection.
"OCC Licensed Tester" or "licensed tester" means an individual who has a current license issued by PSTD to perform tank system testing.
"Operational life" means the period beginning from the time installation of the tank or system is commenced until it is properly closed or removed as provided for in this Chapter.
"Operator" means any person in control of or having responsibility for the daily operation of the storage tank system, whether by lease, contract, or other form of agreement. The term "operator" also includes a past operator at the time of a release, tank closure, violation of the Oklahoma Petroleum Storage Tank Consolidation Act, or a rule promulgated thereunder, or a requirement of the Commission. In the case of a storage tank system in service/use before November 8, 1984, but no longer in service/use on that date, the last person to operate the storage tank system immediately before the discontinuation of its service/use.
"Out of Order tag" means tag, device or mechanism on the tank fill pipe that clearly identifies an underground storage tank as ineligible for delivery of product.
"Owner" means any person as set forth in 17 O.S. § 303(27), including the real property owner where the storage tank system is still present, the storage tank system presence is a trade fixture or improvement or both. It is not necessary that the real property owner sold, used, or stored regulated substances in, of, or from the storage tank system. However, a real property owner who has a storage tank system located on their property that was taken out of service/use prior to November 8, 1984, is not considered to be a storage tank owner for any PSTD regulated purpose.
"OWRB" means the Oklahoma Water Resources Board.
"Permanent out of use" or "POU" means a petroleum storage tank system that is not in service/use, does not contain regulated substances, and is not intended to be placed back in service/use.
"Private airport" means an airport used only by its owner and regulated as a fleet and commercial facility.
"Private airstrip" means a personal residential takeoff and landing facility part of the airstrip owner's residential property.
"PSTD" means Petroleum Storage Tank Division.
"Regulated substance" means antifreeze, motor oil, motor fuel, gasoline, kerosene, diesel or aviation fuel as set forth in 17 O.S. § 305. It does not include compressed natural gas, liquid natural gas or propane.
"Release detection" means the methodology used in determining whether a release of regulated substances has occurred from a petroleum storage tank or system into the environment or into the interstitial area between the underground storage tank system and its secondary barrier.
"Repair" means to restore to proper operating condition a tank, pipe, spill prevention equipment, overfill prevention equipment, corrosion protection equipment, release detection equipment or other UST system component that has caused a release of product from the UST system or has failed to function properly.
"Residential tank" is a tank located on real property used primarily for dwelling purposes.
"Retail facility" means a service station, convenience store or any other facility selling a PSTD regulated substance that is open to the general public.
"Secondary containment" means an underground storage tank and/or piping with inner and outer barriers which provide a space for interstitial (the space between the inner and outer walls of a double walled tank or piping) monitoring.
"Tampering" means willful intention in an attempt to deceive, cheat or misrepresent facts to the public.
Tampering also presents a risk to the environment as well as public health, safety and welfare.
"Tank tightness testing" or "precision testing" means a procedure for testing an underground storage tank system's integrity.
"Temporary out of use" or "TOU" means the status of an underground storage tank system that has been taken out of service/use with the intent to permanently close or return to service.
"TPH" means total petroleum hydrocarbons.
"Underground storage tank" or "UST" "storage tank" as defined in 17 O.S. § 303(40) that has ten percent (10%) or more of its volume beneath the surface of the ground.
"Underground storage tank system" means a closed-plumbed system including, but not limited to the underground storage tank(s), the individual storage tank compartments, the lines, dispenser for a given product, containment sump, if any, and ancillary equipment or a delivery truck that is connected to the storage tank system.
"Used Motor Oil" is any spent motor oil removed from a motor vehicle.
Okla. Admin. Code § 165:25-1-11