Waste haulers shall dispose of hauled wastes permitted herein according to rules for land application as found in Chapter 65, Chapter 69, and Chapter 121 of the Iowa Administrative Code or at a location designated by the WRA Director. Hours of operation at the WRF disposal station shall be set by the WRA Director. Special arrangements between the waste hauler and the WRA Director shall be allowed to permit response to emergency conditions. Waste haulers shall maintain the designated disposal location in a clean and orderly condition to avoid noxious odors and unsanitary conditions.