(1) The department may publish information and conduct short courses of instruction in the safe use and application of pesticides.
(2) The department shall, at least once each year, review and update, to incorporate current information, the license examinations given by the department and all training courses approved by the department.
(3) The department shall revise the license applications given by the department, all training courses approved by the department, and all educational materials to include information on preventing contamination of groundwater.