US lawArizonaRegulationsTitle 18 — Environmental QualityChapter 2 — Department of Environmental Quality - Air Pollution ControlR18-2-914R18-2-914R18-2-914. ReservedReservedLength: 2 wordsOfficial source Cite as Ariz. Admin. Code § R18-2-914R18-2-914. ReservedPreviousR18-2-913NextR18-2-915