US lawArizonaRegulationsTitle 18 — Environmental QualityChapter 4 — Department of Environmental Quality - Safe Drinking WaterR18-4-316R18-4-316R18-4-316. RepealedRepealedLast amended: 2008Length: 2 wordsOfficial source Cite as Ariz. Admin. Code § R18-4-316R18-4-316. RepealedPreviousR18-4-315NextR18-4-317