US lawArizonaRegulationsTitle 18 — Environmental QualityChapter 4 — Department of Environmental Quality - Safe Drinking WaterR18-4-270R18-4-270R18-4-270. RepealedRepealedLast amended: 1995Length: 2 wordsOfficial source Cite as Ariz. Admin. Code § R18-4-270R18-4-270. RepealedPreviousR18-4-269NextR18-4-271