; and (ii) the hardrock mining lease of the applicant has been renewed for that 10-year period; and (C) expire 5 years after the commencement of a temporary cessation unless, before the expiration of the 5 years, the operator has filed with the Secretary concerned a request for approval to resume operations. (2) Failure to commence mineral activities Failure by the operator to commence mineral activities not later than 2 years after the date scheduled in an operations permit shall require a modification of the permit if the Secretary concerned determines that modifications are necessary to comply with section 111. (e) Permit modification (1) Application An operator may, during the term of the operations permit, submit to the Secretary concerned an application to modify such permit or the operations plan or reclamation plan associated with such permit. (2) Modification by Secretary concerned (A) In general At any time, the Secretary concerned may require reasonable modification to any operations plan or reclamation plan upon a determination that the requirements of this Act cannot be met if the plan is followed as approved, which shall be based on a written finding and subject to public notice and hearing requirements established by the Secretary concerned. (B) Waiver of public notice and hearing The Secretary concerned may waive the public notice and hearing requirements under subparagraph (A) in the case of imminent threat to health, safety, or the environment. (3) Unanticipated events or conditions A permit modification is required before changes are made to the approved operations plan, or if unanticipated events or conditions exist on the land subject to the permit, including in the case of— (A) development of acid or toxic drainage; (B) loss of springs or water supplies; (C) water quantity, water quality, or other resulting water impacts that are significantly different than those predicted in the application for the operations permit; (D) the need for long-term water treatment