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TITLE 30ENVIRONMENTAL QUALITY
PART 1TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
CHAPTER 334UNDERGROUND AND ABOVEGROUND STORAGE TANKS
SUBCHAPTER AGENERAL PROVISIONS
RULE §334.2Definitions

  (85) Petroleum storage tank--

    (A) Any one or combination of aboveground storage tanks that contain petroleum products and that are regulated by the commission; or

    (B) Any one or combination of underground storage tanks and all connecting underground pipes that contain petroleum products and that are regulated by the commission.

  (86) Petroleum substance--A crude oil or any refined or unrefined fraction or derivative of crude oil which is liquid at standard conditions of temperature and pressure (except for any substance regulated as a hazardous waste under the federal Solid Waste Disposal Act, Subtitle C (42 United States Code, §§6921, et seq.)). For the purposes of this chapter, a petroleum substance is limited to one or a combination of the substances or mixtures in the following list:

    (A) basic petroleum substances (crude oils, crude oil fractions, petroleum feedstocks, and petroleum fractions);

    (B) motor fuels (see definition for "Motor fuel" in this section);

    (C) aviation gasolines (e.g., Grade 80, Grade 100, and Grade 100-LL);

    (D) aviation jet fuels (e.g., Jet A, Jet A-1, Jet B, JP-4, JP-5, and JP-8);

    (E) distillate fuel oils (e.g., Number 1-D, Number 1, Number 2-D, and Number 2);

    (F) residual fuel oils (e.g., Number 4-D, Number 4-light, Number 4, Number 5-light, Number 5-heavy, and Number 6);

    (G) gas-turbine fuel oils (e.g., Grade 0-GT, Grade 1-GT, Grade 2-GT, Grade 3-GT, and Grade 4-GT);

    (H) illuminating oils (e.g., kerosene, mineral seal oil, long-time burning oils, 300 oil, and mineral colza oil);

    (I) solvents (e.g., Stoddard solvent, petroleum spirits, mineral spirits, petroleum ether, varnish makers' and painters' naphthas, petroleum extender oils, and commercial hexane);

    (J) lubricants (automotive and industrial lubricants);

    (K) building materials (e.g., liquid asphalt and dust-laying oils);

    (L) insulating and waterproofing materials (e.g., transformer oils and cable oils); or

    (M) used oils (see definition for "Used oil" in this section).

  (87) Petroleum underground storage tank (UST) system--A UST system that contains, has contained, or will contain a petroleum substance (as defined in this section), a mixture of two or more petroleum substances, or a mixture of one or more petroleum substances with very small amounts of one or more hazardous substances. In order for a UST system containing a mixture of petroleum substances with small amounts of hazardous substances to be classified as a petroleum UST system, the hazardous substance must be at such a dilute concentration that the overall release detectability, effectiveness of corrective action, and toxicity of the basic petroleum substance is not altered to any significant degree.

  (88) Pipeline facilities (including gathering lines)--New and existing pipeline rights-of-way, including any equipment, facilities, or buildings therein which are used in the transportation or associated treatment (during transportation) of gas or hazardous liquids (which include petroleum and other liquids as designated by the Secretary of the United States Department of Transportation), and which are regulated under the federal Hazardous Liquid Pipeline Safety Act of 1979 (49 United States Code, §§60101, et seq. and its subsequent amendments or a succeeding law); or (for intrastate pipeline facilities) the Texas Natural Resources Code, Chapter 111 or 117, or Texas Civil Statutes, Articles 6053-1 and 6053-2.

  (89) Piping--All underground pipes in an underground storage tank system, including valves, elbows, joints, flanges, flexible connectors, and other fittings attached to a tank system through which regulated substances flow or in which regulated substances are contained or stored.

  (90) Piping trench--The portion of the excavation zone at an underground storage tank facility which contains the piping system and associated backfill materials.

  (91) Pressurized piping--Product or delivery piping in an underground storage tank system which typically operates at greater than atmospheric pressure.

  (92) Professional engineer--A person who is currently duly licensed by the Texas Board of Professional Engineers to engage in the practice of engineering in the State of Texas.

  (93) Professional geoscientist--A person who is currently duly licensed by the Texas Board of Professional Geoscientists to engage in the public practice of geoscience in the State of Texas.

  (94) Qualified personnel--Persons who possess the appropriate competence, skills, and ability (as demonstrated by sufficient education, training, experience, and/or, when applicable, any required certification or licensing) to perform a specific activity in a timely and complete manner consistent with the applicable regulatory requirements and generally accepted industry standards for such activity.

  (95) Radioactive materials--Radioactive substances or radioactive waste materials (e.g., high-level radioactive wastes and low-level radioactive cooling waters) which are classified as hazardous substances under the federal Comprehensive Environmental Response, Compensation, and Liability Act of 1980, §101(14), 42 United States Code (USC), §§9601, et seq., except for radioactive materials regulated as a hazardous waste under the federal Solid Waste Disposal Act, Subtitle C, 42 USC, §§6921, et seq.

  (96) Regulated substance--An element, compound, mixture, solution, or substance that, when released into the environment, may present substantial danger to the public health, welfare, or the environment. For the purposes of this chapter, a regulated substance is limited to any hazardous substance (as defined in this section), any petroleum substance (as defined in this section), any mixture of two or more hazardous substances and/or petroleum substances, and any other substance designated by the commission to be regulated under the provisions of this chapter.

  (97) Release--Any spilling including overfills, leaking, emitting, discharging, escaping, leaching, or disposing from an underground storage tank or aboveground storage tank into groundwater, surface water, or subsurface soils. In this definition, the term "subsurface soils" does not include backfill or native material in the tank hole that is placed immediately adjacent to or surrounding an underground storage tank system when the system is installed or the system's individual components are replaced unless petroleum free product is present in the backfill or native material.

  (98) Release detection--The process of determining whether a release of a regulated substance is occurring, or has occurred, from an underground storage tank system.

  (99) Repair--The restoration, renovation, or mending of a damaged or malfunctioning tank or underground storage tank system component.

  (100) Replaced--

    (A) For a tank - to remove a tank and install another tank.

    (B) For piping - to remove 35% or more of piping and install other piping, excluding connectors, connected to a single tank. For tanks with multiple piping runs, this definition applies independently to each piping run.

  (101) Residential tank--A tank located on property used primarily for dwelling purposes.

  (102) Retail service station--A facility where flammable liquids used as motor fuels are stored and dispensed from fixed equipment into the fuel tanks of motor vehicles and where such dispensing is an act of retail sale.

  (103) Risk-based corrective action--Site assessment or site remediation, the timing, type, and degree of which is determined according to case-by-case consideration of actual or potential risk to public health from environmental exposure to a regulated substance released from a leaking underground storage tank or aboveground storage tank.

  (104) Secondary containment--A containment method by which a secondary wall, jacket, or barrier is installed around the primary storage vessel (e.g., tank or piping) in a manner designed to prevent a release from migrating beyond the secondary wall or barrier before the release can be detected. Secondary containment systems include, but are not limited to: double-wall tank and/or piping systems, impervious liners, jackets, containment boots, sumps, or vaults surrounding a primary (single-wall) tank and/or piping system.

  (105) Septic tank--As defined in §285.2 of this title (relating to Definitions).

  (106) Spill--A release of a regulated substance which results during the filling, placement, or transfer of regulated substances into an underground storage tank (UST) or an aboveground storage tank (AST), or during the transfer or removal of regulated substances from a UST system or an AST.

Cont'd...

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