US lawArizonaRegulationsTitle 18 — Environmental QualityChapter 2 — Department of Environmental Quality - Air Pollution ControlR18-2-207R18-2-207R18-2-207. RenumberedRenumberedLast amended: 1990Length: 2 wordsOfficial source Cite as Ariz. Admin. Code § R18-2-207R18-2-207. RenumberedPreviousR18-2-206NextR18-2-208