The secretary shall:
(1) Hold at least one examination each year at the designated time and place for the purpose of examining candidates for certification;
(2) Advertise and promote the program of certification of water and wastewater works operators;
(3) Encourage other operators to become certified other than those required to do so by law;
(4) Distribute applications and notices;
(5) Receive and evaluate applications;
(6) Collect fees, not exceeding sixty dollars to cover reasonable costs of operator certification exams;
(7) Prepare, conduct, and grade examinations;
(8) Maintain records of operator qualifications and certification, and maintain a register of certified operators;
(9) Promote and schedule regular training schools and programs.