US lawArizonaRegulationsTitle 18 — Environmental QualityChapter 4 — Department of Environmental Quality - Safe Drinking WaterR18-4-310R18-4-310R18-4-310. RepealedRepealedLast amended: 2008Length: 2 wordsOfficial source Cite as Ariz. Admin. Code § R18-4-310R18-4-310. RepealedPreviousR18-4-309NextR18-4-311