It is unlawful for any person within the city to load or unload volatile, flammable or explosive solids, liquids or gases without attendance of the operator of the carrier vehicle. In any event, all state and local fire, zoning and building code regulations must be fully complied with in the loading or unloading of such solids, liquids, or gases. (Ord. No. 2005-24, §§ 1, 2, 9-6-05. 1976 Code § 10-1-17)