Okla. Admin. Code § 165:15-1-2
In addition to the terms defined in 17 O.S. §§ 301 et seq., the following words or terms, when used in this Chapter, shall have the following meaning, unless the context clearly indicates otherwise.
"API (American Petroleum Institute) gravity scale" means the gravity scale in general use by the petroleum industry in the United States.
"ASTM" means the American Society for Testing and Materials. The latest ASTM revision must be the test used and is expressly incorporated in this Chapter.
"ATG" means an automatic tank gauging system.
"Aboveground storage tank" or "AST" means a "Storage tank" as defined in 17 O.S. § 303(40) that has more than ninety percent (90%) of its volume above the surface of the ground.
"Airport" means landing facility for aircraft that is routinely available for public use (whether routinely used or not). Airports as used in this Chapter do not include private residential airstrips or private airports.
"Analog type" means an indicating element or a system of indication or recording in which values are presented as a series of numbered graduations in combination with an index, and in which the most sensitive element of the indicating system moves continuously during the operation of the device.
"Ancillary equipment" means any device including, but not limited to, devices such as piping, fittings, flanges, valves, and pumps that are used to distribute, meter, or control the flow of regulated substances to or from a petroleum storage tank.
"Aviation gasoline" means a volatile hydrocarbon fuel suitable for use in an aircraft internal combustion engine.
"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, pipeline, tank car, tank vehicle, portable tank or other container, for wholesale or retail sale.
"Calibrate" or "Calibration" means the comparison of the indicated volume to the volume actually delivered by a retail or wholesale device into a certified test measure, prover, or through a second accurate meter.
"Cathodic protection" means a technique designed to prevent the corrosion of a metal surface by making it the cathode of an electrochemical cell. For example, protection can be accomplished with an impressed current system or a galvanic anode system.
"Computing type" means a device designed to indicate and measure the total money value of product for one of a series of unit prices.
"Digital type" means a system of indicating or recording that advances intermittently in which all values are presented digitally and without graduations.
"Face of the dispenser" means that side of a measuring device that displays the quantity measured. The face must include an indicator and a series of graduations or present values digitally. It is the side of the dispenser where the unit price, volume dispensed, and dollar amount of the sale appear.
"Fuel Specialist" means any field inspector employed by the Compliance and Inspection Department of the Petroleum Storage Tank Division of the Oklahoma Corporation Commission.
"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 OAC 165:5 Subchapter 19 to be heard at the Commission by an Administrative Law Judge or the Commissioners.
"Gasoline" means a volatile unleaded fuel that is suitable for use in a spark ignition, internal combustion engine.
"Gum" means the evaporation residue of aircraft gasoline or the heptane insoluble portion of the evaporation residue of motor gasoline.
"Important building" means a building that is considered not expendable in an exposure fire.
"Index of an indicator" means that particular portion of an indicator that is directly used in making a reading.
"Indicating element" means that component located on the face of the dispenser that signifies the amount relative to a quantity measured by a measuring device.
"Kerosene" means a refined hydrocarbon fuel intended for use in heating and illumination.
"Liquid measuring device" or "liquid fuel device" means any and all measuring devices (retail, wholesale, or vehicle tank measure) with which gasoline, motor fuel, kerosene, motor oil, diesel fuel, or aviation gasoline is sold, dispensed, or delivered to the public or to any person for any purpose.
"MtBE" means methyl tertiary butyl used as a component in gasoline.
"Maintenance" means the normal operational upkeep necessary to prevent a petroleum storage tank system from releasing product.
"Measuring device" or "meter" means a measuring device as defined in 17 O.S. § 303(23).
"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.
"Octane", or "octane number", or "octane rating" means the antiknock quality of gasoline as determined by either the ASTM Research Method or the ASTM Motor Method.
"Oxygenate" means ethyl alcohol, MtBE, TAME, or other oxygen-containing, ashless organic compounds.
"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.
"Petroleum" means the substances as set forth in 17 O.S. § 303(31). It does not include 100% biodiesel, compressed natural gas, liquid natural gas, methanol, or propane.
"Primary indicating elements" or "recording elements" means those principal visual indicating elements and recording elements that may be used by an owner or operator in the normal commercial use of a device and which are readily visible to the public.
"Private airport" means an airport used only by its owner and regulated by PSTD as a fleet and commercial facility.
"PSTD" means Petroleum Storage Tank Division.
"(R+M)/2" means the arithmetic mean of the ASTM Research Method (R) and the ASTM Motor Method (M) octane numbers, and is the octane rating.
"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.
"Retail device" means a measuring device or mechanism designed for single deliveries of PSTD regulated substances to individual land, air, and water vehicles.
"Retail facility " means a service station, convenience store or any other facility selling a PSTD regulated substance that is open to the general public.
"SIR" means Statistical Inventory Reconciliation.
"Security Seal" or "seal" or "lock/locking mechanism" means a lead and wire seal, lock or locking device, or similar device, attached to a petroleum storage tank system for protection against access, removal, or adjustment.
"TAME" means tertiary amyl methyl ether for use as a component in gasoline.
"Temporary out of use" or "TOU" means the status of a petroleum storage tank system that has been taken out of service/use with the intent to permanently close or return to service.
"Tolerance" means a value fixing the limit of allowable error or departure from the highest performance or value.
"Transport calibration" or "truck calibration" means the volume held to the designated marker as determined by the addition of a calibration fluid to the compartment from an accurate meter or from provers.
"Underground storage tank" or "UST" means a "Storage tank" as defined in 17 O. S. § 303(40) that has 10 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.
"Wet-hose type" means a device designed to be operated with the discharge hose full of liquid at all times.
"Wholesale device" means any device other than a retail device.
Okla. Admin. Code § 165:15-1-2