{"abstract":"The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Commonwealth of Pennsylvania. The revision updates the reasonably available control technology (RACT) Plan for the Philadelphia Gas Works, Richmond Plant (PGW Richmond) by removing a condition from the RACT Plan Approval that was incorporated into Pennsylvania's SIP on October 7, 2016. The proposed revision results in no change of emission allowances under RACT. The EPA is approving this revision to the Pennsylvania SIP in accordance with the requirements of the Clean Air Act (CAA).","action":"Final rule.","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/2026/05/29/2026-10771.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"52","title":40}],"citation":"91 FR 31920","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This final rule is effective on June 29, 2026.","disposition_notes":null,"docket_ids":["EPA-R03-OAR-2025-2831","FRL-13067-02-R3"],"dockets":[],"document_number":"2026-10771","effective_on":"2026-06-29","end_page":31922,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/05/29/2026-10771.xml","html_url":"https://www.federalregister.gov/documents/2026/05/29/2026-10771/air-plan-approval-pennsylvania-revision-to-philadelphia-gas-works-richmond-plant-reasonably","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-10771?publication_date=2026-05-29","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-05-29/2026-10771/mods.xml","not_received_for_publication":null,"page_length":3,"page_views":{"count":151,"last_updated":"2026-06-24 22:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-05-29/pdf/2026-10771.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-10771.pdf?1779972325","publication_date":"2026-05-29","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/05/29/2026-10771.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[{"title":"New Document created by Payne, Katharine (EPA)","document_id":"EPA-R03-OAR-2025-2831-0002"}],"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-R03-OAR-2025-2831","supporting_documents_count":1,"docket_id":"EPA-R03-OAR-2025-2831","document_id":"EPA-R03-OAR-2025-2831-0003","regulation_id_number":null,"title":"Air Plan Approval; Pennsylvania; Proposed Revision to Philadelphia Gas Works, Richmond Plant Reasonably Available Control Technology Plan Under the 1997 8-Hour Ozone National Ambient Air Quality Standards","checked_regulationsdotgov_at":"2026-06-09T16:07:25Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":31920,"subtype":null,"title":"Air Plan Approval; Pennsylvania; Revision to Philadelphia Gas Works, Richmond Plant Reasonably Available Control Technology Plan Under the 1997 8-Hour Ozone National Ambient Air Quality Standards","toc_doc":"Pennsylvania; Revision to Philadelphia Gas Works, Richmond Plant Reasonably Available Control Technology Plan under the 1997 8-Hour  Ozone National Ambient Air Quality Standards","toc_subject":"Air Quality State Implementation Plans; Approvals and Promulgations","topics":["Air pollution control","Environmental protection","Incorporation by reference","Intergovernmental relations","Nitrogen dioxide","Ozone","Reporting and recordkeeping requirements","Volatile organic compounds"],"type":"Rule","volume":91}