Admin. R. Mont. 17.8.1107 – Visibility Models

(1) All estimates of visibility impact required under this subchapter shall be based on those models contained in "Workbook for Plume Visual Impact Screening and Analysis"
(Revised) (EPA-454/R-92/023), incorporated by reference in ARM 17.8.1102. Equivalent models may be substituted if approved by the department.

Authorizing statute(s): 75-2-112, 75-2-203, MCA

Implementing statute(s): 75-2-203, 75-2-204, 75-2-211, MCA

History: NEW, 1985 MAR p. 1326, Eff. 9/13/85; AMD, 1992 MAR p. 2741, Eff. 12/25/92; AMD, 1996 MAR p. 1844, Eff. 7/4/96; TRANS, from DHES, 1996 MAR p. 2285; AMD, 2024 MAR p. 2056, Eff. 8/24/24.