{"abstract":"The Environmental Protection Agency (EPA) is revising the format for materials that are made part of the Connecticut State Implementation Plan (SIP) through the process of incorporation by reference (IBR). The regulations and materials affected by this format change have all been previously submitted by Connecticut and approved by EPA as part of the SIP.","action":"Final rule; administrative change.","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/2026/02/09/2026-02477.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"52","title":40}],"citation":"91 FR 5675","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This action is effective on February 9, 2026.","disposition_notes":null,"docket_ids":["EPA-R01-OAR-2025-2895","FRL-13084-01-R1"],"dockets":[{"supporting_documents":[],"agency_name":"EPA","documents":[{"comment_count":0,"comment_start_date":"2026-02-09","updated_at":"2026-02-09T08:55:34.509-05:00","comment_url":"https://www.regulations.gov/commenton/EPA-R01-OAR-2025-2895-0001","allow_late_comments":false,"id":"EPA-R01-OAR-2025-2895-0001","comment_end_date":null,"regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":0,"id":"EPA-R01-OAR-2025-2895","title":"Air Plan Approval; Connecticut; Revised Format for Materials Incorporated by Reference"}],"document_number":"2026-02477","effective_on":"2026-02-09","end_page":5686,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/02/09/2026-02477.xml","html_url":"https://www.federalregister.gov/documents/2026/02/09/2026-02477/air-plan-approval-connecticut-revised-format-for-materials-incorporated-by-reference","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-02477?publication_date=2026-02-09","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-02-09/2026-02477/mods.xml","not_received_for_publication":null,"page_length":12,"page_views":{"count":215,"last_updated":"2026-10-24 10:15:05 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-02-09/pdf/2026-02477.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-02477.pdf?1770385509","publication_date":"2026-02-09","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/02/09/2026-02477.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[],"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-R01-OAR-2025-2895","supporting_documents_count":0,"docket_id":"EPA-R01-OAR-2025-2895","document_id":"EPA-R01-OAR-2025-2895-0001","regulation_id_number":null,"title":"Air Plan Approval; Connecticut; Revised Format for Materials Incorporated by Reference","checked_regulationsdotgov_at":"2026-02-10T17:55:05Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":5675,"subtype":null,"title":"Air Plan Approval; Connecticut; Revised Format for Materials Incorporated by Reference","toc_doc":"Connecticut","toc_subject":"Air Quality State Implementation Plans; Approvals and Promulgations","topics":["Air pollution control","Carbon oxides","Environmental protection","Incorporation by reference","Intergovernmental relations","Lead","Nitrogen oxides","Ozone","Particulate matter","Reporting and recordkeeping requirements","Volatile organic compounds"],"type":"Rule","volume":91}