US lawArizonaRegulationsTitle 18 — Environmental QualityChapter 4 — Department of Environmental Quality - Safe Drinking WaterR18-4-226R18-4-226R18-4-226. RenumberedRenumberedLast amended: 2008Length: 2 wordsOfficial source Cite as Ariz. Admin. Code § R18-4-226R18-4-226. RenumberedPreviousR18-4-225NextR18-4-227