(1) In adopting rules under ORS 466.020 regulating the disposal of hazardous wastes, including, but not limited to, rules for the operation and maintenance of hazardous waste disposal sites, the Environmental Quality Commission shall provide for the highest and best practicable disposal of the hazardous wastes in a manner that will minimize:
(a) The possibility of a dangerous uncontrolled reaction, the release of leachate, noxious gases or odors, fire, explosion or the discharge of the hazardous wastes; and
(b) The amount of land used for burial of the hazardous wastes.
(2) The Department of Environmental Quality shall investigate and analyze in detail the disposal methods and procedures required to be adopted by rule under ORS 466.020 and subsection (1) of this section and shall report its findings and recommendations to the commission.