The Board of Environmental Review amended Mont. Admin. R. 17.30.1304, 17.30.1310, and 17.30.1322, pertaining to Montana pollutant discharge elimination system permits. Changes add technical terms, correct citations, and make the regulation consistent with federal rules. See http://sos.mt.gov/arm/Register/archives/MAR2012/MAR12-24.pdf (p. 2604).