; or (B) significant, imminent environmental harm to land, air, water, or fish or wildlife resources, such Secretary or authorized representative shall immediately order a cessation of mineral activities or the portion thereof relevant to the condition, practice, or violation. (3) (A) A cessation order pursuant to paragraph (1) or (2) shall remain in effect until such Secretary, or authorized representative, determines that the condition, practice, or violation has been abated, or until modified, vacated or terminated by the Secretary or authorized representative. In any such order, the Secretary or authorized representative shall determine the steps necessary to abate the violation in the most expeditious manner possible and shall include the necessary measures in the order. The Secretary concerned shall require appropriate financial assurances to ensure that the abatement obligations are met. (B) Any notice or order issued pursuant to paragraph (1) or (2) may be modified, vacated, or terminated by the Secretary concerned or an authorized representative of such Secretary. Any person to whom any such notice or order is issued shall be entitled to a hearing on the record. (4) If, after 30 days of the date of the order referred to in paragraph (3)(A) the required abatement has not occurred, the Secretary concerned shall take such alternative enforcement action against the claim holder, license holder, lease holder, or operator (or any person who controls the claim holder, license holder, lease holder, or operator) as will most likely bring about abatement in the most expeditious manner possible. Such alternative enforcement action may include, but is not necessarily limited to, seeking appropriate injunctive relief to bring about abatement. Nothing in this paragraph shall preclude the Secretary concerned from taking alternative enforcement action prior to the expiration of 30 days. (5) If a claim holder, license holder, lease holder, or operator (or any person who controls the claim holder, license holder, lease