ATCP 93.615(7)(a)(a) The area around an aboveground motor vehicle fuel tank and its secondary containment shall be secured by a 6-foot high noncombustible building or by a 6-foot high noncombustible fence with a gate, except where exempted under par. (b) or (c). ATCP 93.615(7)(b)(b) If the property on which the tanks are located has a perimeter security fence, additional enclosure of the tank system is not required. ATCP 93.615(7)(c)(c) For fleet fuel dispensing tank systems that have an aggregate tank capacity of 1,320 gallons or less, enclosure of the tank by one of the structures listed in par. (a) is not required if all of the following conditions are met: ATCP 93.615(7)(c)5.5. For Class I liquids, all normal vents on the primary tank terminate at least 12 feet above grade. ATCP 93.615 NoteNote: Federal Spill Prevention Control and Countermeasure regulations in 40 CFR 112 may require fencing for tanks with capacities of more than 1,320 gallons. ATCP 93.615(7)(d)(d) Buildings or fences under this subsection shall be made entirely of noncombustible materials and have a minimum of one exit in compliance with chs. SPS 361 to 366. ATCP 93.615(7)(e)(e) Buildings or fences may not be supported by the tanks they enclose. ATCP 93.615(7)(f)(f) Buildings or fenced enclosures may not be used for occupancy, storage, or any other use unless specifically allowed under chs. SPS 361 to 366. ATCP 93.615(7)(g)(g) Fences surrounding tanks shall be of chain-link design or other open fencing approved by the department. ATCP 93.615 HistoryHistory: CR 17-092: cr. Register October 2019 No. 766, eff. 11-1-19; correction in (3) (b) 6. made under s. 35.17, Stats., Register October 2019 No. 766. ATCP 93.620ATCP 93.620 Public access motor vehicle fueling operations. ATCP 93.620(1)(a)(a) Public access fueling operations shall follow the operational requirements of NFPA 30A and this section. ATCP 93.620(1)(b)(b) When the product dispensed from a tank system is changed from a Class I liquid to a Class II or III liquid, the department’s corresponding district inspection office shall be notified, and the new product shall be tested and approved before being dispensed. ATCP 93.620 NoteNote: Under ch. ATCP 94, similar notification and approval is required for changing from storing a Class II or III liquid to storing a Class I liquid. ATCP 93.620(2)(a)(a) Equipment or devices not required for, or not integral to, the fueling operation, such as vending machines or automated teller machines, may only be installed outside of the fuel dispensing area. ATCP 93.620(2)(c)(c) No Class I liquid, other than fuel being dispensed, may be located within 20 feet of any motor fuel dispenser. ATCP 93.620(2)(d)(d) A person shall be at least 14 years old to dispense fuel into the fuel tank of a motor vehicle. ATCP 93.620(2)(e)(e) Combustible merchandise placed within 20 feet of a fuel dispenser shall meet all of the following requirements: