US lawMinnesotaRegulationsDEPARTMENT OF HEALTHChapter 4620 — CHAPTER 4620, CLEAN INDOOR AIR4620.7950Minn. R. 4620.7950VARIANCE TO RADON LICENSING RULESLast amended: 2018Year: 2026Length: 23 wordsOfficial source The commissioner may grant a variance to parts 4620.7000 to 46200.7900 according to the procedures and criteria in parts 4717.7000 to 4717.7050 .PreviousMinn. R. 4620.7900