As used in this article, the following terms shall have the meanings
indicated:
LIQUEFIED PETROLEUM GAS
Any material which is composed predominantly of any of the following
hydrocarbons or mixtures of them: propane, propylene, butane (normal butane
or isobutane) and butylenes.
It shall be the duty of the Chief of the Fire Department to inspect
a reasonable number of liquefied petroleum gas installations to determine
if the provisions of this chapter are being complied with.
Within the limits established by law restricting the bulk storage of
liquefied petroleum gas for the protection of heavily populated or congested
commercial areas, the aggregate capacity of any one installation shall not
exceed 2,000 gallons' water capacity.