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Rule: 17.8.206 Prev     Up     Next
Rule Title: METHODS AND DATA
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Department: ENVIRONMENTAL QUALITY, DEPARTMENT OF
Chapter: AIR QUALITY
Subchapter: Ambient Air Quality
 
This is an obsolete version of the rule. Please click on the rule number to view the current version.

  Effective Date: 10/8/1999  
 
  History Notes: History: 75-2-111, 75-2-202, MCA; IMP, 75-2-202, MCA; NEW, 1980 MAR p. 2399, Eff. 8/15/80; AMD, 1986 MAR p. 2007, Eff. 12/12/86; AMD, 1989 MAR p. 2059, Eff. 12/8/89; AMD, 1992 MAR p. 144, Eff. 1/31/92; AMD, 1996 MAR, p. 1844, Eff. 7/4/96; TRANS, from DHES, 1996 MAR p. 2285; AMD, 1999 MAR p. 2250, Eff. 10/8/99.  
 
  Rule File: access file
 

Other rule versions existed in ARM on or after March 31, 2007

MAR Notices Effective From Effective To History Notes
17-367 4/17/2015 Current History: 75-2-111, 75-2-202, MCA; IMP, 75-2-202, MCA; NEW, 1980 MAR p. 2399, Eff. 8/15/80; AMD, 1986 MAR p. 2007, Eff. 12/12/86; AMD, 1989 MAR p. 2059, Eff. 12/8/89; AMD, 1992 MAR p. 144, Eff. 1/31/92; AMD, 1996 MAR, p. 1844, Eff. 7/4/96; TRANS, from DHES, 1996 MAR p. 2285; AMD, 1999 MAR p. 2250, Eff. 10/8/99; REP, 2015 MAR p. 370, Eff. 4/17/15.
10/8/1999 4/17/2015 History: 75-2-111, 75-2-202, MCA; IMP, 75-2-202, MCA; NEW, 1980 MAR p. 2399, Eff. 8/15/80; AMD, 1986 MAR p. 2007, Eff. 12/12/86; AMD, 1989 MAR p. 2059, Eff. 12/8/89; AMD, 1992 MAR p. 144, Eff. 1/31/92; AMD, 1996 MAR, p. 1844, Eff. 7/4/96; TRANS, from DHES, 1996 MAR p. 2285; AMD, 1999 MAR p. 2250, Eff. 10/8/99.
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