Safety and Health Act of 1970 ( 29 U.S.C. 652(8) ), and shall remain in effect until superseded by a final rule promulgated pursuant to this Act. (c) Rulemaking procedures For any rulemaking pursuant to this Act after publication of the interim final rule in subsection (b), the following procedures shall apply: (1) In general The Secretary shall, upon a showing by a petitioner pursuant to paragraph (2) or the Secretary’s own determination that a worker heat protection standard is necessary or appropriate to regulate employees’ exposure to conditions known to cause or that may reasonably be anticipated to cause heat-related illness or injury, promulgate any worker heat protection standard in accordance with the policies set forth in this section and in accordance with section 553 of title 5, United States Code (without regard to any reference in such section to sections 556 and 557 of such title). (2) Petitions for rulemaking Any person may petition the Secretary to promulgate or modify a worker heat protection standard. Within 18 months after receipt of a petition, the Secretary shall either grant or deny the petition by publishing a written explanation of the reasons for the Secretary’s decision. The Secretary may not deny a petition solely on the basis of inadequate resources or insufficient time for review. (3) Timelines Except as otherwise provided in subsection (b), the Secretary shall observe the following schedule for rulemaking: (A) Proposed standards Within one year after granting a petition for rulemaking under paragraph (2), the Secretary shall publish a proposed worker heat protection standard consistent with this section. (B) Final standards The Secretary shall promulgate, within one year after such publication, such standards with such modifications as the Secretary deems appropriate. (C) Effect Standards or revisions thereof shall become effective upon promulgation, except that the Secretary may include a reasonable delay in the effective date. (4) Transparency in rulemaking For any rulemaking