ATCP 93.050(121m)(121m) “Underground storage tank” or “underground tank” has the meaning given in sub. (122) unless the context requires otherwise. ATCP 93.050(122)(a)(a) “Underground storage tank system” or “UST system” means any one or combination of tanks, including connected pipes, that is used to contain an accumulation of regulated substances, and the volume of which, including the volume of connected underground pipes, is 10 percent or more beneath the surface of the ground. ATCP 93.050(122)(b)(b) “Underground storage tank system” or “UST system” does not include any of the following or pipes connected to any of the following: ATCP 93.050(122)(b)3.3. A liquid trap or associated gathering lines directly related to oil or gas production and gathering operations. ATCP 93.050(122)(b)4.4. A storage tank situated in an underground area, such as a basement, cellar, mine shaft or tunnel, if the storage tank is situated upon or above the surface of the floor and not surrounded by earth. ATCP 93.050(123)(123) “Upgrade” means the addition to or retrofit of some part of a storage tank system, such as cathodic protection, leak detection, lining, or spill and overfill controls, to improve the ability of a storage tank system to prevent the release of product. ATCP 93.050(124)(124) “Used oil” or “waste oil” means any oil refined from crude oil, or any synthetic oil, that has been used and as a result of such use is contaminated by physical or chemical impurities; and means used cooking oils that are used as fuel for purposes such as space heating or fueling motor vehicles. ATCP 93.050 NoteNote: See ch. NR 679 and s. 287.15, Stats., for other definitions of used oil and waste oil, and for requirements relating to those definitions, such as criteria for transporting or recycling these liquids. ATCP 93.050(125)(125) “Vehicle collision protection” means a structure or mechanism to protect a tank or system component from vehicle impact. ATCP 93.050(126)(126) “Vehicle fueling” means the process of adding motor fuel to the engine fuel supply tank for motor driven vehicles, including aircraft, watercraft, on- or off-road vehicles and vehicles on rails. ATCP 93.050(127)(127) “Watercraft” or “marine craft” means a vehicle designed to operate on rivers, streams or lakes for the transport of people or goods for recreation, business or commerce purposes. ATCP 93.050(128)(128) “Watercraft fueling” means the storage and fueling system and activities associated with shoreline fuel transfer into watercraft and aircraft while moored on the water to be fueled. ATCP 93.050 NoteNote: Further information relating to terms associated with petroleum storage facilities, petroleum equipment and petroleum-based fuels is available at the Petroleum Equipment Institute’s Web site at http://www.pei.org/wiki-pei. ATCP 93.050 HistoryHistory: CR 17-092: cr. Register October 2019 No. 766, eff. 11-1-19; correction in (2), (10), (26), (64) (a), (89), (114) (k), (120), (122) (b) 1., 2. made under s. 35.17, Stats., and (13), (87) renum. (9m), (85m) under s. 13.92 (4) (b) 1., Stats., Register October 2019 No. 766. ATCP 93.100(1)(a)(a) Plan review and written approval from the authorized agent or the department shall be obtained before any of the following activities are performed on storage tank systems used to store a regulated substance, except where exempted under par. (b): ATCP 93.100(1)(a)1.1. Commencing any construction of new or additional tank or piping installation. ATCP 93.100(1)(a)2.2. Changing the operation of a tank system from storage of a non-regulated substance to a regulated substance. ATCP 93.100(1)(a)4.4. Adding leak detection or modifying leak detection as specified in s. ATCP 93.110 (3) (e) when performed in conjunction with other changes that require plan review. A certified installer is not required to perform the modification of leak detection. ATCP 93.100 NoteNote: Under sub. (3) (a) 5. c., the department’s leak detection installation form, TR-WM-133, must be filled out and submitted anytime leak detection equipment is added or modified, whether or not plan review is required. This form is available from the Bureau of Weights and Measures, PO Box 8911, Madison, WI 53708-8911, or at telephone (608) 224-4942, or from the Bureau’s Web site at https://datcp.wi.gov/Pages/Programs_Services/PetroleumHazStorageTanks.aspx. ATCP 93.100(1)(a)5.5. Upgrading or modifying spill or overfill protection, except this requirement does not apply where drop tube overfill protection is added or modified for existing underground fill piping that drops vertically into a tank. ATCP 93.100(1)(a)7.7. Converting a full-service motor fuel dispensing facility or a self-service motor fuel dispensing facility to the use of a point-of-sale dispensing system or device. A certified installer is not required to perform the conversion to a point-of-sale dispensing system. The installer shall fill out the department’s point-of-sale fueling installation form, TR-WM-130, and shall provide the form to the authorized agent or the department, for inspection of the system.