(1) Coal fires in coal processing wastes, storage piles and bins, or unmined or waste coal in mine pits must be extinguished by the operator in accordance with a plan approved by the department and the mine safety and health administration. The plan must contain, at a minimum, provisions to ensure that only those persons authorized by the operator and who have an understanding of the procedures to be used are involved in the extinguishing operations.

(2) Strip or underground mining operation must be conducted to prevent failure to conserve coal, utilizing the best technology currently available to maintain appropriate environmental protection. The operator shall adhere to the approved coal conservation plan required in ARM 17.24.322.