ATCP 93.240(15)(c)(c) Examination. A person seeking to obtain a tank-system site assessor certification shall take and pass an examination in accordance with sub. (9). ATCP 93.240(15)(d)(d) Application for certification. Upon notification of successfully passing the examination for a tank-system site assessor certification, a person may obtain the certification by submitting an application and the certification fee in accordance with subs. (2) and (9) (g) 3. ATCP 93.240(16)(a)(a) General. Except as provided in par. (g), no person may install an aboveground tank system that is regulated under this chapter unless the person complies with one of the following: ATCP 93.240(16)(a)1.1. The person holds a certification issued by the department as a certified aboveground tank system installer. ATCP 93.240(16)(a)2.2. The person holds a Wisconsin registration as a professional engineer and is competent in the engineering methods and requirements in Wisconsin for designing and installing storage tank systems for flammable, combustible or hazardous liquids. ATCP 93.240(16)(a)3.3. The person is under the direct supervision of another person who holds a certification or registration under subd. 1. or 2. and who is responsible for the installation. ATCP 93.240(16)(b)(b) Application for examination. A person applying to take an aboveground tank system installer certification examination shall submit all of the following: ATCP 93.240(16)(c)(c) Examination. A person seeking to obtain an aboveground tank system installer certification shall take and pass an examination in accordance with sub. (9). ATCP 93.240(16)(d)(d) Application for certification. Upon notification of successfully passing the examination for an aboveground tank system installer certification, a person may obtain the certification by submitting an application and the certification fee in accordance with sub. (2). ATCP 93.240(16)(e)(e) Responsibilities. A person who installs or supervises the installation of tank systems as a certified aboveground tank system installer shall be present at the job site for at least all of the following activities: ATCP 93.240(16)(e)4.4. Installation and testing of all connections and tank-related piping including vapor recovery, vents and supply pipes.