US lawArizonaRegulationsTitle 18 — Environmental QualityChapter 12 — Department of Environmental Quality - Underground Storage TanksR18-12-218R18-12-218R18-12-218. ReservedReservedLength: 2 wordsOfficial source Cite as Ariz. Admin. Code § R18-12-218R18-12-218. ReservedPreviousR18-12-217NextR18-12-219