(1) grade or grades of aviation fuel compatible with commonly encountered aircraft;

(2) an adequate inventory of at least two brands of grades of aviation engine oil and lubricants generally accepted in aviation commerce;

(3) properly trained line personnel on duty at least eight hours of every calendar day, seven days a week, and on call by readily accessible means at other hours during the day or night, or as specified in the contract or lease of the applicant;

(4) proper equipment for repairing and inflating aircraft tires, servicing oleo struts, changing engine oil, washing aircraft and aircraft windows and windshields, for recharging or energizing discharging aircraft batteries and starters;

(5) conveniently located heated lounge or waiting rooms for passengers and airplane crews of aircraft being serviced, including sanitary restroom facilities and public telephone;

(6) in conducting refueling operations, every operator shall install and use adequate grounding facilities at fueling locations. Such grounding equipment shall safely maintain the aircraft at a neutral electrical potential with respect to the pump. Approved types of fire extinguishers or other equipment commensurate with the hazard involved in refueling and servicing aircraft shall be readily available. The operator will comply with any additional regulations that might be hereafter specified by any federal, state, county, or city agency;

(7) all fuel in excess of one thousand five hundred gallons must be stored underground and dispensed through an approved filtration system which removes water and particulate matter. This does not preclude dispensing fuel from an approved aviation fuel tank;

(8) adequate and sanitary handling and disposing, away from the airport, of all trash, waste, and other materials, including but not limited to used oil, solvents, and other waste. The piling or storage of crates, boxes, barrels, and other containers will not be permitted outside of buildings within the leased premises. (Ord. 83-29 §31, 1983; Ord. B-120 §7(A), 1973).