Department to set ambient air quality standards
(1) The department shall establish ambient air quality standards for the state.
(2) Ambient air quality standards for fluorides must be established through limitations upon the concentration of fluorides in forage grasses, hay, and silage.
| EnactedEn. SectionSec. 6, ChapterCh. 313, Laws ofL. 1967 |
| AmendedAmd. SectionSec. 17, ChapterCh. 349, Laws ofL. 1974 |
| Revised Codes of MontanaR.C.M. 1947, 69-3909(5) |
| AmendedAmd. SectionSec. 1, ChapterCh. 565, Laws ofL. 1981 |
| AmendedAmd. SectionSec. 10, ChapterCh. 324, Laws ofL. 2021 (SB 233 - Ankney, Duane (R) SD 20) |