ATCP 93.050(99)(99) “Re-commission” means the process of returning a system, component or process to a code-complying, in-service condition.

ATCP 93.050(100)(100) “Recreational vehicle” means any self-propelled motor-driven vehicle that is used for moving people typically off-road, on land, snow, ice or water for sport or recreation, such as snowmobiles and all-terrain vehicles.

ATCP 93.050(101)(101) “Red-tag” means a red tag secured to a component of a storage or dispensing system, which gives notice that the system or the product stored is under enforcement action for failure to comply with the requirements of either this chapter or ch. ATCP 94, and which prohibits operation of the system until the tag is removed by or under the direction of the authority having jurisdiction.

ATCP 93.050(102)(102) “Regulated substance” means any flammable or combustible liquid and any liquid that is a federally regulated hazardous substance as defined in s. 168.21, Stats.

ATCP 93.050 NoteNote: The definition of federally regulated hazardous substances in s. 168.21 (3), Stats., corresponds to the CERCLA List of Hazardous Substances and Reportable Quantities contained in 40 CFR 302.4, Table 302.4.

ATCP 93.050(103)(103) “Release” means any discharge, including spilling, leaking, pumping, pouring, emitting, emptying, leaching, dumping or disposal of a regulated substance into groundwater, surface water or subsurface soils.

ATCP 93.050 NoteNote: See sub. (62) for a definition of “leak,” sub. (76) for a definition of “obvious release” and sub. (113) for a definition of “suspected release.”

ATCP 93.050(104)(104) “Release detection” means determining whether a discharge of a regulated substance has occurred from a storage tank system into the environment.

ATCP 93.050(105)(105) “Repair” means any work necessary to correct or restore a tank, pipe, spill prevention equipment, overfill prevention equipment, corrosion protection equipment, leak detection equipment, or other storage tank or dispensing system component that either has caused a suspected or obvious release or has failed to function properly.

ATCP 93.050(106)(106) “Residential watercraft fueling facility” means that portion of a 1- or 2-family residential property where liquid fuels are stored in or dispensed for non-retail purposes from fixed equipment on land into the fuel tanks of self-propelled watercraft, including all facilities used for the storage, dispensing, and handling of flammable and combustible liquids.

ATCP 93.050(107)(107) “Sacrificial anode system” means a method of corrosion protection that generates cathodic current from the galvanic corrosion of an expendable anode which is more electrochemically active than the structure being protected.

ATCP 93.050(108)(108) “Secondary containment” means an approved barrier installed around a storage tank system that is designed to prevent a leak from the primary tank or piping from contacting the surrounding earth or the waters of the state before the leak can be detected and cleaned up.

ATCP 93.050(109)(109) “Significant noncompliance” means the existence of one or more of the following:

ATCP 93.050(109)(a)(a) A violation that causes, or may cause, a substantial, continuing risk to public health or the environment.

ATCP 93.050(109)(b)(b) A violation that substantially deviates from a requirement of this chapter.

ATCP 93.050(109)(c)(c) A violation that includes failure to install, maintain or operate equipment essential to preventing or detecting leaks.

ATCP 93.050(109)(d)(d) A violation that is observed to reoccur repeatedly as a result of intentional or unintentional administrative or operational oversight.

ATCP 93.050(110)(110) “Space heating” means heating of areas intended for occupancy or storage.

ATCP 93.050(111)(111) “Storm water or wastewater collection system” means piping, pumps, conduits, and any other equipment necessary to collect and transport the flow of surface water run-off resulting from precipitation, or domestic, commercial, or industrial wastewater to and from retention areas or any areas where treatment is designated to occur. The collection of storm water and wastewater does not include treatment except where incidental to conveyance.

ATCP 93.050(112)(112) “Structure” means an assembly of materials forming a construction for occupancy, storage, use, shelter or weather protection meeting the definition of place of employment under sub. (88) or public building under sub. (95).

ATCP 93.050 NoteNote: The department does not consider a tank to be a structure although local or municipal regulations may classify a tank as a structure.

ATCP 93.050(113)(113) “Suspected release” means either of the following:

ATCP 93.050(113)(a)(a) There is indication that a tank system or dispensing system has leaked — such as inventory losses; observable free product or evidence of free product in secondary containment at dispensers, submersible pumps or spill buckets; petroleum odors; unexplained presence of water in a tank; or activation of a leak detection alarm system — but there is no observable environmental evidence of a release.

ATCP 93.050(113)(b)(b) There is observable environmental evidence of a release, such as soil discoloration or free product, but the source is unknown.

ATCP 93.050 NoteNote: See sub. (62) for a definition of “leak,” sub. (76) for a definition of “obvious release” and sub. (103) for a definition of “release.”

ATCP 93.050(114)(114) “Tank” means a device designed to contain an accumulation of regulated substance and constructed of non-earthen materials such as concrete, steel, fiberglass or plastic, and including the following types of tanks, which have the following meanings:

ATCP 93.050(114)(a)(a) “Abandoned tank” means an aboveground or underground tank with or without product that is not recognized by this chapter as in-use, temporarily out of service, or closed.

ATCP 93.050(114)(b)(b) “Accumulator tank” or “accumulator reservoir” means a container that is integral to a closed-loop mechanical-system operation of equipment, and that is used either to provide a regulated substance on demand, such as a fluid that is used as a heating or cooling media, or to store a regulated substance that is displaced from the functioning equipment, such as from an elevator or hydraulic lift.