period that will be needed after the cessation of mineral activities. (2) Release of financial assurance The portion of the financial assurance attributable to such estimated cost of treatment shall not be released until such discharge has ceased for a period of 5 years, as determined by ongoing monitoring and testing, or, if the discharge continues, until the operator has met all applicable effluent limitations and water quality standards for 5 full years without treatment. (h) Environmental hazards If the Secretary concerned determines, after final release of a financial assurance, that an environmental hazard resulting from the mineral activities exists, or the terms and conditions of the exploration permit or operations permit of this Act were not fulfilled at the time of such release, the Secretary concerned shall issue an order under section 507 requiring the claim holder or operator (or any person who controls the claim holder or operator) to correct the condition such that applicable laws and regulations and any conditions from the operations plan are met. 307. Operation and reclamation (a) General rule (1) In general An operator shall reclaim land subject to mineral activities carried out under a permit issued under this title to a condition capable of supporting— (A) the uses which such land was capable of supporting before surface disturbance by the operator