{"abstract":"The Environmental Protection Agency (EPA) is extending the comment period for the proposed \"Interstate Transport Plan Review for the 2015 Ozone NAAQS,\" published in the Federal Register on January 30, 2026. The current comment period for the proposed rule is set to end on March 2, 2026. The EPA has received numerous requests to extend the comment period. The EPA is extending the comment period for the proposed action to March 23, 2026.","action":"Proposed rule; extension of comment period.","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/2026/03/03/2026-04151.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"52","title":40}],"citation":"91 FR 10360","comment_url":null,"comments_close_on":"2026-03-23","correction_of":null,"corrections":[],"dates":"The comment period for the proposed rule published on January 30, 2026, at 91 FR 4026 is extended. Comments must be received on or before March 23, 2026.","disposition_notes":null,"docket_ids":["EPA-HQ-OAR-2025-0192","FRL-12716-03-OAR"],"dockets":[{"supporting_documents":[{"title":"2019 NEI TSD: Point Data Category","document_id":"EPA-HQ-OAR-2025-0192-0071"},{"title":"2016v3 projection factors 2023","document_id":"EPA-HQ-OAR-2025-0192-0064"},{"title":"Memo to Docket on Transport Edison Electric Meeting 01-15-2026","document_id":"EPA-HQ-OAR-2025-0192-0060"},{"title":"O3 Design Values and Contributions 2016v2 Modeling","document_id":"EPA-HQ-OAR-2025-0192-0056"},{"title":"AQ Modeling TSD Proposed FIP","document_id":"EPA-HQ-OAR-2025-0192-0053"},{"title":"CAMx 2016v3 MDA8 O3 Model Performance Stats by Site","document_id":"EPA-HQ-OAR-2025-0192-0050"},{"title":"Nevada Cement Co. v. EPA No. 23-682 (9th Cir. July 3, 2023) - Stay Order","document_id":"EPA-HQ-OAR-2025-0192-0044"},{"title":"NMED 2015 Ozone Transport Certification Adoption Order Hearing Transcript","document_id":"EPA-HQ-OAR-2025-0192-0042"},{"title":"Texas et al. v. EPA No. 23-60069 (5th Cir. 2025) - Opinion","document_id":"EPA-HQ-OAR-2025-0192-0041"},{"title":"Nevada Cement Co. v. EPA No. 23-682 (9th Cir. Dec. 17, 2024) - Stay Lift","document_id":"EPA-HQ-OAR-2025-0192-0040"}],"agency_name":"EPA","documents":[{"comment_count":null,"comment_start_date":null,"updated_at":"2026-03-03T10:01:33.816-05:00","comment_url":"https://www.regulations.gov/commenton/EPA-HQ-OAR-2025-0192-0086","allow_late_comments":false,"id":"EPA-HQ-OAR-2025-0192-0086","comment_end_date":null,"regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":72,"id":"EPA-HQ-OAR-2025-0192","title":"Interstate Transport Plan Review for the 2015 Ozone NAAQS"}],"document_number":"2026-04151","effective_on":"2026-01-30","end_page":10360,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/03/03/2026-04151.xml","html_url":"https://www.federalregister.gov/documents/2026/03/03/2026-04151/interstate-transport-plan-review-for-the-2015-ozone-naaqs","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-04151?publication_date=2026-03-03","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-03-03/2026-04151/mods.xml","not_received_for_publication":null,"page_length":1,"page_views":{"count":478,"last_updated":"2026-05-30 16:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-03-03/pdf/2026-04151.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-04151.pdf?1772459109","publication_date":"2026-03-03","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/03/03/2026-04151.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[{"title":"2019 NEI TSD: Point Data Category","document_id":"EPA-HQ-OAR-2025-0192-0071"},{"title":"2016v3 projection factors 2023","document_id":"EPA-HQ-OAR-2025-0192-0064"},{"title":"Memo to Docket on Transport Edison Electric Meeting 01-15-2026","document_id":"EPA-HQ-OAR-2025-0192-0060"},{"title":"O3 Design Values and Contributions 2016v2 Modeling","document_id":"EPA-HQ-OAR-2025-0192-0056"},{"title":"AQ Modeling TSD Proposed FIP","document_id":"EPA-HQ-OAR-2025-0192-0053"},{"title":"CAMx 2016v3 MDA8 O3 Model Performance Stats by Site","document_id":"EPA-HQ-OAR-2025-0192-0050"},{"title":"Nevada Cement Co. v. EPA No. 23-682 (9th Cir. July 3, 2023) - Stay Order","document_id":"EPA-HQ-OAR-2025-0192-0044"},{"title":"NMED 2015 Ozone Transport Certification Adoption Order Hearing Transcript","document_id":"EPA-HQ-OAR-2025-0192-0042"},{"title":"Texas et al. v. EPA No. 23-60069 (5th Cir. 2025) - Opinion","document_id":"EPA-HQ-OAR-2025-0192-0041"},{"title":"Nevada Cement Co. v. EPA No. 23-682 (9th Cir. Dec. 17, 2024) - Stay Lift","document_id":"EPA-HQ-OAR-2025-0192-0040"}],"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-HQ-OAR-2025-0192","supporting_documents_count":72,"docket_id":"EPA-HQ-OAR-2025-0192","document_id":"EPA-HQ-OAR-2025-0192-0086","regulation_id_number":null,"title":"Interstate Transport Plan Review for the 2015 Ozone NAAQS","checked_regulationsdotgov_at":"2026-03-04T17:55:03Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":10360,"subtype":null,"title":"Interstate Transport Plan Review for the 2015 Ozone NAAQS","toc_doc":"Interstate Transport Plan Review for the 2015 Ozone NAAQS","toc_subject":"Air Quality State Implementation Plans; Approvals and Promulgations","topics":[],"type":"Proposed Rule","volume":91}