30 CFR § 816.71 - Disposal of excess spoil: General ...
(a) General. Excess spoil shall be placed in designated disposal areas within the permit area, in a controlled manner to - (1) Minimize the adverse effects of leachate and surface water runoff from the fill on surface and ground waters; (2) Ensure mass stability and prevent mass movement during and after construction; and (3) Ensure that the final fill is suitable for reclamation and ...