Tailings basins shall be designed, constructed, and operated according to the following:
The storage of tailings within an approved site shall be maximized while meeting part 6130.2000.
A means of draining the pond area and managing runoff shall be provided consistent with part 6130.2200.
During the mining operation dust generation shall be minimized by maximizing the area of permanently reclaimed tailings. The remaining active tailings areas shall be covered with water to the maximum extent possible and beach areas shall be temporarily stabilized consistent with part 6130.3700.
Tailings basins shall be designed, by registered professional engineers proficient in geotechnical and other aspects of design, construction, operation, and maintenance of tailings basins. The construction, operation, and maintenance of basins shall be periodically reviewed by such engineers to ensure compliance with the design.
MS s 93.47
June 11, 2008