Voluntary Action To Preclude Remedial Action By Department

Mont. Code Ann. § 75-10-737, under Remedial Action Upon Release of Hazardous Substance.

Mont. Code Ann. § 75-10-737

If a party has elected to undertake an approved voluntary cleanup and is diligently proceeding to implement the plan, the department may not, except as provided in 75-10-712, take remedial action under 75-10-711 with regard to those releases or threatened releases of hazardous or deleterious substances that are addressed by the approved voluntary cleanup plan.