(A) No person shall keep or store inflammable liquids, gases, signal flares, or other similar materials in the hangars or in any buildings on the airport; provided, however, such materials may be kept in an aircraft in the proper receptacle installed in the aircraft for such purpose, or in rooms or areas specifically approved for such storage by the Manager or in safety cans approved by insurance underwriters.
(B) No person shall keep or store lubricating or waste oils in or about the hangars; provided, however, such storage materials may be kept in rooms specifically designed for oil storage; and provided, further, lubricating oils shall not be kept in or about a hangar unless in receptacles or containers approved by insurance underwriters.
(C) Lessees shall provide suitable metal receptacles with self-closing covers for the storage of waste, rags, and other rubbish. All waste, rags, and other rubbish shall be removed within a period of one week by the lessee or by regularly scheduled pick-ups. Lessees may contract with other agencies or persons, subject to the approval of the Council, for the removal of such materials.
('61 Code, § 3-6.46) (Ord. 44 C.S., passed 4-3-63)