The department may not enforce any standard or provision of the model rule. As provided in 75-7-411, the governing body of a county may adopt and enforce as an ordinance the standards contained in the model rule.
Mont. Code Ann. § 75-7-403, under Phosphorus Compounds -- Model Rule.
Mont. Code Ann. § 75-7-403
The department may not enforce any standard or provision of the model rule. As provided in 75-7-411, the governing body of a county may adopt and enforce as an ordinance the standards contained in the model rule.