4-4-3: LOCATION OF CONTAINERS:
   A.   Underground Storage Prohibited: Interstate commerce containers and regulating equipment shall not be buried below ground; however, this shall not prohibit the installation in a compartment or recess below grade level such as a niche in a slope or terrace wall which is used for no other purpose; provided, that the container and regulating equipment is not in contact with the ground and the compartment or recess is drained and ventilated horizontally to the outside air from its lowest level, with the outlet at least five feet (5') away from any building opening which is below the level of such outlet. The discharge safety reliefs shall be located not less than five feet (5') away from any building opening which is below the level of such discharge.
   B.   Firm Foundation Required: Containers shall be set upon firm fire resistant foundations or otherwise firmly secured. The possible effect of settling shall be guarded against by a flexible connection or special fitting. Cylinders or containers cannot be set on porches or roofs.
   C.   Portable Containers: Portable liquefied petroleum gas containers shall not be stored or installed, whether full or empty, in a store or place of business frequented by the public or in public property. All cylinders except twenty (20) pound cylinders shall be transported and connected by the dealer, or his agent.
   D.   Hoods Required: All liquefied petroleum gas cylinders and utilization equipment must be equipped with hoods or their equivalent, approved by the National Board of Fire Underwriters or the State Fire Marshal.
   E.   Weeds And Dry Grass Prohibited: Readily inflammable material such as weeds, dry grass or trash shall not be kept within ten feet (10') of liquefied petroleum gas cylinders or containers.
   F.   Valves Closed: All liquefied petroleum gas cylinder valves shall be tightly closed, whether the container be full or empty, when not in service.
   G.   Filling Containers: Portable liquefied petroleum gas containers shall be filled only at a place specifically designated and permanently constructed for the purpose and approved by the State Fire Marshal.
   H.   Testing For Gas Leaks: Testing of any piping system for gas leaks shall not be made with a flame; soapy water shall be used for this purpose. (1975 Code § 4-4-3)