In addition to other powers and duties the secretary shall: (a) Establish and carry out the certification program;

(b) Recommend classification of water supply systems and wastewater treatment facilities;

(c) Examine the qualifications of applicants for certification;

(d) Collect and deposit fees;

(e) Maintain records of operator qualifications and certification, and maintain a register of certified operators;

(f) Maintain records of the classification of water supply systems and wastewater treatment facilities; and

(g) Promote regular training schools, short courses and programs, approve correspondence courses, and recommend, where classroom instruction is required, minimum attendance standards to validate certificates.