{"abstract":"The Environmental Protection Agency (EPA) Administrator signed an order dated December 8, 2025, denying petitions dated April 14, 2025, and April 24, 2025, from the Center for Biological Diversity (CBD). The petitions requested that the EPA object to Clean Air Act (CAA) operating permits issued by the Colorado Department of Public Health and Environment (CDPHE) to Rocky Mountain Midstream, LLC, for its Latham, Mustang, Auburn, and West Brighton Compressor Stations located in Weld County, Colorado.","action":"Notice of final order on petitions.","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2026/03/12/2026-04843.html","cfr_references":[],"citation":"91 FR 12195","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":null,"disposition_notes":null,"docket_ids":["FRL-13230-01-R8"],"dockets":[{"supporting_documents":[{"title":"Adequacy Status of the Cleveland/Akron, Ohio and the Columbus, Ohio Submitted 8-Hour Ozone Redesignation and Maintenance Plans for Transportation Conformity Purposes","document_id":"EPA_FRDOC_0001-6733"},{"title":"DELETE","document_id":"EPA_FRDOC_0001-6642"},{"title":"Agency Information Collection Activities; Proposals, Submissions, and Approvals","document_id":"EPA_FRDOC_0001-6334"},{"title":"Literature Search for 2,3,7,8-Tetrachlorodibenzo-p-Dioxin(TCDD) Dose-Response Studies for Use in an Upcoming Expert Panel Workshop","document_id":"EPA_FRDOC_0001-6019"},{"title":"Regulatory Agenda Semiannual Regulatory Agenda","document_id":"EPA_FRDOC_0001-6015"},{"title":"Correction to MVEBs for the Indiana and Ohio Portions of the Cincinnati-Hamilton, Ohio/Kentucky/Indiana, Submitted 8-Hour Ozone Attainment Demonstration","document_id":"EPA_FRDOC_0001-5132"},{"title":"Pesticides; tolerances in food, animal feeds, and raw agricultural commodities: Pyriproxyfen","document_id":"EPA_FRDOC_0001-3649"}],"agency_name":"EPA","documents":[{"comment_count":0,"comment_start_date":"2026-03-12","updated_at":"2026-03-12T10:02:14.975-04:00","comment_url":"https://www.regulations.gov/commenton/EPA_FRDOC_0001-32651","allow_late_comments":false,"id":"EPA_FRDOC_0001-32651","comment_end_date":null,"regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":7,"id":"EPA_FRDOC_0001","title":"Recently Posted EPA Rules and Notices from FR Feed."}],"document_number":"2026-04843","effective_on":null,"end_page":12196,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/03/12/2026-04843.xml","html_url":"https://www.federalregister.gov/documents/2026/03/12/2026-04843/clean-air-act-operating-permit-program-order-on-petitions-for-objection-to-state-operating-permits","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-04843?publication_date=2026-03-12","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-03-12/2026-04843/mods.xml","not_received_for_publication":null,"page_length":2,"page_views":{"count":103,"last_updated":"2026-07-27 22:15:03 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-03-12/pdf/2026-04843.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-04843.pdf?1773233119","publication_date":"2026-03-12","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/03/12/2026-04843.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[{"title":"Adequacy Status of the Cleveland/Akron, Ohio and the Columbus, Ohio Submitted 8-Hour Ozone Redesignation and Maintenance Plans for Transportation Conformity Purposes","document_id":"EPA_FRDOC_0001-6733"},{"title":"DELETE","document_id":"EPA_FRDOC_0001-6642"},{"title":"Agency Information Collection Activities; Proposals, Submissions, and Approvals","document_id":"EPA_FRDOC_0001-6334"},{"title":"Literature Search for 2,3,7,8-Tetrachlorodibenzo-p-Dioxin(TCDD) Dose-Response Studies for Use in an Upcoming Expert Panel Workshop","document_id":"EPA_FRDOC_0001-6019"},{"title":"Regulatory Agenda Semiannual Regulatory Agenda","document_id":"EPA_FRDOC_0001-6015"},{"title":"Correction to MVEBs for the Indiana and Ohio Portions of the Cincinnati-Hamilton, Ohio/Kentucky/Indiana, Submitted 8-Hour Ozone Attainment Demonstration","document_id":"EPA_FRDOC_0001-5132"},{"title":"Pesticides; tolerances in food, animal feeds, and raw agricultural commodities: Pyriproxyfen","document_id":"EPA_FRDOC_0001-3649"}],"comments_count":0,"agency_id":"EPA","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=EPA_FRDOC_0001","supporting_documents_count":7,"docket_id":"EPA_FRDOC_0001","document_id":"EPA_FRDOC_0001-32651","regulation_id_number":null,"title":"Recently Posted EPA Rules and Notices from FR Feed.","checked_regulationsdotgov_at":"2026-03-13T16:55:04Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":12195,"subtype":null,"title":"Clean Air Act Operating Permit Program; Order on Petitions for Objection to State Operating Permits for Rocky Mountain Midstream, LLC's Latham, Mustang, Auburn, and West Brighton Compressor Stations","toc_doc":"Clean Air Act Operating Permit Program; Objection to State Operating Permits for Rocky Mountain Midstream, LLC's Latham, Mustang, Auburn, and West Brighton Compressor Stations","toc_subject":"Order on Petitions","topics":[],"type":"Notice","volume":91}