No person shall discharge directly or indirectly into the local sewer system any wastewater the characteristics of which do not conform to the concentration limits prescribed in the rules and regulations of the Utility or discharge into the local sewer system any toxic substances or any other objectionable material or substances as specified under these rules and regulations except upon written approval by the Superintendent of the Department of Public Works and upon such terms and conditions as may be established by the Atlantic County Municipal Utilities Authority in the acceptance of the wastewater.