Sec. 2. The state plan must provide for solid waste management in Indiana for the twenty (20) years following the adoption of the state plan. The state plan must include the following, in order of priority:
(1) The establishment of voluntary statewide goals for source reduction.
(2) The establishment of criteria for alternatives to final disposal, including the following:
(A) Recycling.
(B) Composting.
(C) The availability of markets.
(3) The establishment of general criteria for the siting, construction, operation, closing, and monitoring of final disposal facilities.
(4) Criteria and other elements to be considered in the adoption of district solid waste management plans.