US lawArizonaRegulationsTitle 18 — Environmental QualityChapter 12 — Department of Environmental Quality - Underground Storage TanksR18-12-701R18-12-701R18-12-701. ExpiredExpiredLast amended: 2017Length: 2 wordsOfficial source Cite as Ariz. Admin. Code § R18-12-701R18-12-701. ExpiredPreviousR18-12-615NextR18-12-702