US lawArizonaRegulationsTitle 18 — Environmental QualityChapter 4 — Department of Environmental Quality - Safe Drinking WaterR18-4-404R18-4-404R18-4-404. RepealedRepealedLast amended: 2002Length: 2 wordsOfficial source Cite as Ariz. Admin. Code § R18-4-404R18-4-404. RepealedPreviousR18-4-403NextR18-4-405