In this chapter, unless the context otherwise requires, "natural gas storage facility" means a facility that is either underground or above ground with a capacity of at least five hundred thousand cubic feet and that is used primarily for the storage of natural gas, excluding liquefied natural gas.
A.R.S. § 49-1501
Definition of natural gas storage facility
Official source: Arizona State Legislature. Reproduced from public-domain Arizona statutes; confirm against the official source for the current text. Not legal advice.