The Director of Public Works may establish a schedule of fees for:waste haulier permits; scavenger vehicle permit tags; and discharges by waste haulers. Such fees shall be based on the City’s costs of providing services to waste haulers. Costs may include, but not be limited to, issuance of permits, inspection, sampling, testing, and charges for use of the sewer system. City Code, 1976/83, art. 25, §10(c) Ord. 84-129 Ord. 91-775