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. ATCP 93.100(1)(a)8.a.a. Converting from the storage and dispensing of flammable or combustible liquids containing 10 percent or less ethanol by volume to liquids containing more than 10 percent ethanol by volume. ATCP 93.100(1)(a)8.b.b. Converting from the storage and dispensing of flammable or combustible liquids containing 5 percent or less biodiesel fuel by volume to liquids containing more than 5 percent biodiesel fuel by volume. ATCP 93.100(1)(a)9.9. Using a tank system to store a substance that poses a significant fire hazard or safety hazard to people or the environment due to material compatibility, equipment functionality or product characteristics, as determined by the authorized agent or the department, or fire department. ATCP 93.100(1)(a)10.10. Adding or modifying any device or system component making an underground connection to a tank, product pipe or vent pipe. ATCP 93.100(1)(b)(b) Plan review and approval is not required for any of the following: ATCP 93.100(1)(b)1.1. Oil-burning installations for a 1- or 2-family dwelling which are located aboveground or in a basement, and which have a capacity of less than 1,100 gallons. ATCP 93.100(1)(b)2.2. Integral fuel supply tanks of a motor vehicle, aircraft, watercraft, mobile power plant or mobile heating plant. ATCP 93.100(1)(b)3.3. Aboveground tanks which have a capacity of less than 1,100 gallons and which store Class IIIB liquids other than used oil. ATCP 93.100(1)(b)4.4. Reconfiguration of product piping that is located aboveground, from storage tanks supplying a regulated substance to a manufacturing, industrial or blending process. ATCP 93.100(1)(b)5.5. Tank wagons, tank vehicles, or movable tanks that are used for vehicle fueling operations under subch. VI. ATCP 93.100(1)(b)6.6. Aboveground tank systems that store hazardous liquids which are not also flammable or combustible liquids, if the construction is supervised by a qualified engineer. ATCP 93.100 NoteNote: See s. ATCP 93.140 for registration requirements for tanks that store federally regulated hazardous substances. Section ATCP 93.350 requires aboveground hazardous substance tank systems to be designed by a qualified engineer. ATCP 93.100(1)(b)9.9. Aboveground tanks which are used at a farm premises or construction project in accordance with s. ATCP 93.630, and which meet all of the following conditions: ATCP 93.100 NoteNote: See s. ATCP 93.630 (3) for administrative requirements for ASTs located at farms and construction projects. ATCP 93.100(1)(b)10.10. Fuel supply tanks which are used for a mobile power plant or mobile heating plant and which meet all of the following requirements: ATCP 93.100(1)(b)11.11. Where the department determines that the review of a specific application, modification or contractor activity would not meet the regulatory oversight objective for technical plan review and approval.