Montana Code Annotated 2019

TITLE 82. MINERALS, OIL, AND GAS

CHAPTER 4. RECLAMATION

Part 3. Metal Mine Reclamation

Annual Inspections

82-4-381. Annual inspections. (1) The engineer of record shall inspect a tailings storage facility annually during operation or as required during closure pursuant to a reclamation plan under 82-4-336.

(2) (a) The engineer of record shall prepare a report describing the scope of the inspection and actions recommended to ensure the tailings storage facility is properly operated and maintained.

(b) The engineer of record shall submit the report to the operator and the department and immediately notify the department and the operator if the tailings impoundment presents an imminent threat or the potential for an imminent threat to human health or the environment.

(3) (a) If the report contains recommendations, the operator shall prepare a corrective action plan implementing the recommendations of the engineer of record and an implementation schedule.

(b) The operator shall submit the corrective action plan and schedule to the engineer of record.

(c) The corrective actions proposed by the operator must reasonably be expected to effectively address the recommendations contained in the inspection report. The engineer of record shall verify the proposed corrective actions.

(d) The operator shall submit the corrective action plan verified by the engineer of record and the implementation schedule to the department within 120 days following the date of the inspection.

(e) The operator shall implement the corrective action plan pursuant to the implementation schedule.

(4) The department shall conduct inspections, review records, and take other actions necessary to determine if the tailings storage facility is being operated in a manner consistent with the approved design document and the tailings operation, maintenance, and surveillance manual.

(5) Failure to implement the corrective action plan and the implementation schedule or material deviations from the approved design document or the tailings operation, maintenance, and surveillance manual are subject to the provisions of 82-4-361 and 82-4-362.

History: En. Sec. 10, Ch. 399, L. 2015.