17.8.809 STACK HEIGHTS
(1) The degree of emission limitation required for control of any air pollutant under this subchapter may not be affected in any manner by:
(a) so much of a stack height, not in existence before December 31, 1970, as exceeds good engineering practice; or
(b) any other dispersion technique not implemented before December 31, 1970.
History: 75-2-111, 75-2-203, MCA; IMP, 75-2-202, 75-2-203, 75-2-204, MCA; NEW, 1993 MAR p. 2919, Eff. 12/10/93; TRANS, from DHES, 1996 MAR p. 2285.