US lawMontanaRegulationsTitle 37 — PUBLIC HEALTH AND HUMAN SERVICESChapter 37.115 — POOLS, SPAS, AND OTHER WATER FEATURESSubchapter 37.115.3 — Pool Closures and Other Corrective Action for Safety Violations37.115.303ARM 37.115.303ARM 37.115.303. REQUIRED INSTALLATION OF ULTRAVIOLET OR OZONE SECONDARY DISINFECTION SYSTEMRepealedLast amended: 2019Length: 1 wordsOfficial source Cite as Mont. Admin. R. 37.115.303(REPEALED)PreviousARM 37.115.302NextARM 37.115.303