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| Rule: 17.38.204 | Prev Up Next | |
| Rule Title: MAXIMUM ORGANIC 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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17.38.204 MAXIMUM ORGANIC CHEMICAL CONTAMINANT LEVELS (1) The department adopts and incorporates by reference 40 CFR 141.61(a), 141.61(c), 141.64(a) and (a)(1), 141.64(b)(1)(i), and 141.64(b)(2)(i), which set forth maximum contaminant levels for synthetic organic contaminants, volatile organic contaminants, and disinfection byproducts.
History: 75-6-104, MCA; IMP, 75-6-104, 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, 2008 MAR p. 2625, Eff. 12/25/08; AMD, 2011 MAR p. 144, Eff. 2/11/11; AMD, 2024 MAR p. 253, Eff. 2/10/24. |
| MAR Notices | Effective From | Effective To | History Notes |
|---|---|---|---|
| 17-432A | 2/10/2024 | Current | History: 75-6-104, MCA; IMP, 75-6-104, 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, 2008 MAR p. 2625, Eff. 12/25/08; AMD, 2011 MAR p. 144, Eff. 2/11/11; AMD, 2024 MAR p. 253, Eff. 2/10/24. |
| 17-308 | 2/11/2011 | 2/10/2024 | 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, 2008 MAR p. 2625, Eff. 12/25/08; AMD, 2011 MAR p. 144, Eff. 2/11/11. |
| 17-273 | 12/25/2008 | 2/11/2011 | 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, 2008 MAR p. 2625, Eff. 12/25/08. |
| 12/8/2000 | 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. |
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