an interest which is or may be adversely affected by such notice or order, may apply to the Secretary concerned for review of the notice or order within 30 days after receipt thereof, or as the case may be, within 30 days after such notice or order is modified, vacated, or terminated. (2) Review of penalty Any person who is subject to a penalty assessed under section 507 xreference may apply to the Secretary concerned for review of the assessment within 45 days of notification of such penalty. (3) Third party requests Any person may apply to the Secretary concerned for review of a decision under this subsection xreference within 30 days after such decision is issued. (4) Stays pending review Pending a review by the Secretary or resolution of an administrative appeal, final decisions (except enforcement actions under section 507 xreference ) shall be stayed. (5) Public hearing The Secretary concerned shall provide an opportunity for a public hearing at the request of any party to the proceeding as specified in paragraph (1 xreference ). The filing of an application for review under this subsection shall not operate as a stay of any order or notice issued under section 506 xreference . (6) Written decision For any review proceeding under this subsection, the Secretary concerned shall make findings of fact and shall issue a written decision incorporating therein an order vacating, affirming, modifying, or terminating the notice, order, or decision, or with respect to an assessment, the amount of penalty that is warranted. Where the application for review concerns a cessation order issued under section 506 xreference the Secretary concerned shall issue the written decision within 30 days of the receipt of the application for review or within 30 days after the conclusion of any hearing referred to in paragraph (5) xreference , whichever is later, unless temporary relief has been granted by the Secretary concerned under paragraph (7) xreference . (7) Temporary relief Pending completion of any review proceedings under