The Department of Environmental Quality proposed to amend Mont. Admin. R. 17.55.109, pertaining to incorporation by reference. Changes would incorporate Numeric Water Quality Standards and Drinking Water Maximum Contaminant Levels. The deadline for comment is May 10, 2012, and the proposed date of amendment is May 15. See http://sos.mt.gov/arm/Register/archives/MAR2012/MAR12-07.pdf (pp. 678-80).