The board shall be authorized to impose special landfill user fees, in addition to any assessments set forth in this chapter, for the disposal of renewable or hazardous materials including, but not limited to, tires, oil products, household and commercial chemicals. The board shall contract for disposal of such items with any reputable contractor and shall provide for the temporary retention of such materials at the landfill or central transfer site for Pershing County in specially designated areas or receptacles. The board retains the authority to add any other necessary special user fees. (Ord. 133, 1993)