; or (ii) any refusal by such representative to ensure that remedial actions are taken with respect to any alleged violation. The Secretary concerned shall furnish such persons requesting the review a written statement of the reasons for the Secretary’s final disposition of the case. (b) Monitoring (1) The Secretary concerned shall require all operators to develop and maintain a monitoring and evaluation system that shall identify compliance with all requirements of a permit approved under this Act. The Secretary concerned may require additional monitoring to be conducted as necessary to assure compliance with the reclamation and other environmental standards of this Act. Such plan must be reviewed and approved by the Secretary and shall become a part of the explorations or operations permit. (2) The operator shall file reports with the Secretary concerned, on a frequency determined by the Secretary concerned, on the results of the monitoring and evaluation process, except that if the monitoring and evaluation show a violation of the requirements of a permit approved under this Act, it shall be reported immediately to the Secretary concerned. The Secretary shall evaluate the reports submitted pursuant to this paragraph, and based on those reports and any necessary inspection shall take enforcement action pursuant to this section. Such reports shall be maintained by the operator and by the Secretary and shall be made available to the public. (3) The Secretary concerned shall determine what information shall be reported by the operator pursuant to paragraph (3). A failure to report as required by the Secretary concerned shall constitute a violation of this Act and subject the operator to enforcement action pursuant to section 406. 404. Citizens suits (a) In general Except as provided in subsection (b), any person may commence a civil action on his or her own behalf to compel compliance— (1) against any person (including the Secretary or the Secretary of Agriculture) who is alleged to be in violation of any of the