Vehicles and equipment

1. Septic system servicers shall allow the department to inspect the equipment used in servicing at any reasonable time and place designated by the department. 2. Vehicles used in servicing shall meet the following identification requirements: a. A valid septic pumper plate, as provided by the department, shall be prominently displayed on the rear of the servicing unit. b. The septic system servicer's name shall be displayed on the side of the vehicle in writing no less than three inches tall with one-half-inch minimum thickness and in a color distinct from its background. 3. All servicing vehicles shall conform to the following: a. Be maintained in operational condition. b. Expressly used for the hauling or servicing of septage or municipal wastewater treatment sludge and for no other purpose. However, the use of the vehicle for fire protection service, oil recovery, and industrial wastes not regulated under this chapter is permissible if the tank is flushed or cleaned as necessary prior to and after use. c. Stored in a manner which will not cause a public nuisance. 4. All approvable holding tanks or containers shall be attached to the vehicle by welding or bolts on a truck chassis. a. Holding tanks shall be constructed of suitable metal or materials approved by the department. b. Each tank shall be strong enough for all conditions of operation, leakproof, contain inertia baffles, and be designed to be kept tightly closed to prevent spillage or escape of odors while in transit or storage. c. Discharge valves on tanks shall be watertight, capped when not in use, and constructed and located so as to permit unobstructed discharge. 5. Pumps shall be adequate for the required service. The installation shall be designed to prevent backflow or leakage. Connections shall be provided with caps or seals. 6. Hoses and piping, when not in use, shall be stored in a manner to prevent leakage or dripping of septage in transit. 7. All servicing equipment used for land application of septage shall have a splash plate or some other department-approved method or device to facilitate uniform septage application in land spreading. 8. Facilities used for washing the vehicles, tanks, implements, and tools shall be designed to prevent a public nuisance and shall comply with North Dakota Century Code chapter 61-28.