US lawMontanaRegulationsTitle 17 — ENVIRONMENTAL QUALITYChapter 17.56 — UNDERGROUND STORAGE TANKS PETROLEUM AND CHEMICAL SUBSTANCESSubchapter 17.56.13 — Underground Storage Tank Permitting17.56.1301ARM 17.56.1301ARM 17.56.1301SupersededLast amended: 2000Length: 2 wordsOfficial source Cite as Mont. Admin. R. 17.56.130117.56.1202 DEFINITIONSPreviousARM 17.56.1301NextARM 17.56.1301