Regulation 284The holder of a mining lease shall where a tailings storage facility at the mine is to be closed,(a) take measures to prevent meteoric water from infiltrating through the component;(b) ensure that tailings storage facilities are stabilised in the long term;(c) establish procedures for initiating final closure activities on the tailings storage facilities including surface re-sloping, capping or covering and construction of diversion ditches; and (d) comply with the limit values for tailings storage facility effluents established by the Environmental Protection Agency.