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Rule: 17.38.203 Prev     Up     Next    
Rule Title: MAXIMUM INORGANIC CHEMICAL CONTAMINANT LEVELS
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Department: ENVIRONMENTAL QUALITY
Chapter: PUBLIC WATER AND SEWAGE SYSTEM REQUIREMENTS
Subchapter: Public Water Supply Requirements
 
Latest version of the adopted rule presented in Administrative Rules of Montana (ARM):

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17.38.203    MAXIMUM INORGANIC CHEMICAL CONTAMINANT LEVELS

(1) The board adopts and incorporates by reference:

(a) 40 CFR 141.6(j) and 141.6(k), which set forth effective dates associated with a revised maximum contaminant level for arsenic;

(b) 40 CFR 141.11 and 141.62(b), which set forth maximum contaminant levels for inorganic contaminants;

(c) 40 CFR 141.65, which sets forth maximum residual disinfectant levels; and

(d) 40 CFR 141.80(c), which sets forth the action levels for lead and copper.

History: 75-6-103, MCA; IMP, 75-6-103, MCA; NEW, 1977 MAR p. 1187, Eff. 12/24/77; AMD, 1982 MAR p. 594, Eff. 3/26/82; AMD, 1991 MAR p. 1492, Eff. 8/16/91; AMD, 1994 MAR p. 2131, Eff. 8/12/94; TRANS, from DHES, 1996 MAR p. 1499; AMD, 2000 MAR p. 3400, Eff. 12/8/00; AMD, 2003 MAR p. 1279, Eff. 6/27/03; AMD, 2004 MAR p. 3016, Eff. 1/1/05; AMD, 2008 MAR p. 2625, Eff. 12/25/08; AMD, 2010 MAR p. 1798, Eff. 8/13/10.


 

 
MAR Notices Effective From Effective To History Notes
17-304 8/13/2010 Current History: 75-6-103, MCA; IMP, 75-6-103, MCA; NEW, 1977 MAR p. 1187, Eff. 12/24/77; AMD, 1982 MAR p. 594, Eff. 3/26/82; AMD, 1991 MAR p. 1492, Eff. 8/16/91; AMD, 1994 MAR p. 2131, Eff. 8/12/94; TRANS, from DHES, 1996 MAR p. 1499; AMD, 2000 MAR p. 3400, Eff. 12/8/00; AMD, 2003 MAR p. 1279, Eff. 6/27/03; AMD, 2004 MAR p. 3016, Eff. 1/1/05; AMD, 2008 MAR p. 2625, Eff. 12/25/08; AMD, 2010 MAR p. 1798, Eff. 8/13/10.
17-273 12/25/2008 8/13/2010 History: 75-6-103, MCA; IMP, 75-6-103, MCA; NEW, 1977 MAR p. 1187, Eff. 12/24/77; AMD, 1982 MAR p. 594, Eff. 3/26/82; AMD, 1991 MAR p. 1492, Eff. 8/16/91; AMD, 1994 MAR p. 2131, Eff. 8/12/94; TRANS, from DHES, 1996 MAR p. 1499; AMD, 2000 MAR p. 3400, Eff. 12/8/00; AMD, 2003 MAR p. 1279, Eff. 6/27/03; AMD, 2004 MAR p. 3016, Eff. 1/1/05; AMD, 2008 MAR p. 2625, Eff. 12/25/08.
1/1/2005 12/25/2008 History: 75-6-103, MCA; IMP, 75-6-103, MCA; NEW, 1977 MAR p. 1187, Eff. 12/24/77; AMD, 1982 MAR p. 594, Eff. 3/26/82; AMD, 1991 MAR p. 1492, Eff. 8/16/91; AMD, 1994 MAR p. 2131, Eff. 8/12/94; TRANS, from DHES, 1996 MAR p. 1499; AMD, 2000 MAR p. 3400, Eff. 12/8/00; AMD, 2003 MAR p. 1279, Eff. 6/27/03; AMD, 2004 MAR p. 3016, Eff. 1/1/05.
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