{"abstract":"The Environmental Protection Agency (EPA) is extending the comment period for the proposed rulemaking entitled \"Air Plan Approval; AK; Regional Haze Plan for the Second Implementation Period,\" that published on October 30, 2025. This will allow interested persons additional time to prepare and submit comments.","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/2025/11/20/2025-20415.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"52","title":40}],"citation":"90 FR 52308","comment_url":null,"comments_close_on":"2025-12-16","correction_of":null,"corrections":[],"dates":"The comment period for the action that published on October 30, 2025 (90 FR 48855), is extended. Written comments must be received on or before December 16, 2025.","disposition_notes":null,"docket_ids":["EPA-R10-OAR-2023-0348","FRL-11133-03-R10"],"dockets":[{"supporting_documents":[{"title":"307_NPCA_comment_period_extension_request_and_requested_file","document_id":"EPA-R10-OAR-2023-0348-0088"},{"title":"309_Alaska_DEC_email_regarding_Healy_Power_Plant_Unit_1_SCR","document_id":"EPA-R10-OAR-2023-0348-0087"},{"title":"306_Healy_Analysis_06_30_2023","document_id":"EPA-R10-OAR-2023-0348-0074"},{"title":"209_EPA_Alaska_Population","document_id":"EPA-R10-OAR-2023-0348-0070"},{"title":"122_State_Submission_Regional_Haze_Appendix_III.K.13.K_07_05_22","document_id":"EPA-R10-OAR-2023-0348-0066"},{"title":"421_Consultation_Offer_Letter_Seldovia_Village_Tribe","document_id":"EPA-R10-OAR-2023-0348-0064"},{"title":"414_Consultation_Offer_Letter_Newhalen_Village","document_id":"EPA-R10-OAR-2023-0348-0061"},{"title":"416_Consultation_Offer_Letter_Ninilchik_Village","document_id":"EPA-R10-OAR-2023-0348-0058"},{"title":"422_Consultation_Offer_Letter_Tribe_of_King_Cove","document_id":"EPA-R10-OAR-2023-0348-0057"},{"title":"401_Consultation_Offer_Letter_Chickloon_Native_Village","document_id":"EPA-R10-OAR-2023-0348-0051"}],"agency_name":"EPA","documents":[{"comment_count":13,"comment_start_date":"2025-11-20","updated_at":"2025-12-17T00:03:29.692-05:00","comment_url":"https://www.regulations.gov/commenton/EPA-R10-OAR-2023-0348-0075","allow_late_comments":false,"id":"EPA-R10-OAR-2023-0348-0075","comment_end_date":"2025-12-17","regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":77,"id":"EPA-R10-OAR-2023-0348","title":"Air Plan Approval; AK; Regional Haze Plan for the Second Implementation Period"}],"document_number":"2025-20415","effective_on":"2025-10-30","end_page":52308,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2025/11/20/2025-20415.xml","html_url":"https://www.federalregister.gov/documents/2025/11/20/2025-20415/air-plan-approval-ak-regional-haze-plan-for-the-second-implementation-period-extension-of-comment","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2025-20415?publication_date=2025-11-20","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2025-11-20/2025-20415/mods.xml","not_received_for_publication":null,"page_length":1,"page_views":{"count":127,"last_updated":"2026-08-26 04:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2025-11-20/pdf/2025-20415.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2025-20415.pdf?1763559921","publication_date":"2025-11-20","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2025/11/20/2025-20415.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[{"title":"307_NPCA_comment_period_extension_request_and_requested_file","document_id":"EPA-R10-OAR-2023-0348-0088"},{"title":"309_Alaska_DEC_email_regarding_Healy_Power_Plant_Unit_1_SCR","document_id":"EPA-R10-OAR-2023-0348-0087"},{"title":"306_Healy_Analysis_06_30_2023","document_id":"EPA-R10-OAR-2023-0348-0074"},{"title":"209_EPA_Alaska_Population","document_id":"EPA-R10-OAR-2023-0348-0070"},{"title":"122_State_Submission_Regional_Haze_Appendix_III.K.13.K_07_05_22","document_id":"EPA-R10-OAR-2023-0348-0066"},{"title":"421_Consultation_Offer_Letter_Seldovia_Village_Tribe","document_id":"EPA-R10-OAR-2023-0348-0064"},{"title":"414_Consultation_Offer_Letter_Newhalen_Village","document_id":"EPA-R10-OAR-2023-0348-0061"},{"title":"416_Consultation_Offer_Letter_Ninilchik_Village","document_id":"EPA-R10-OAR-2023-0348-0058"},{"title":"422_Consultation_Offer_Letter_Tribe_of_King_Cove","document_id":"EPA-R10-OAR-2023-0348-0057"},{"title":"401_Consultation_Offer_Letter_Chickloon_Native_Village","document_id":"EPA-R10-OAR-2023-0348-0051"}],"comments_count":13,"agency_id":"EPA","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=EPA-R10-OAR-2023-0348","supporting_documents_count":77,"docket_id":"EPA-R10-OAR-2023-0348","document_id":"EPA-R10-OAR-2023-0348-0075","regulation_id_number":null,"title":"Air Plan Approval; AK; Regional Haze Plan for the Second Implementation Period","checked_regulationsdotgov_at":"2025-12-18T09:55:03Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":52308,"subtype":null,"title":"Air Plan Approval; AK; Regional Haze Plan for the Second Implementation Period; Extension of Comment Period","toc_doc":"Alaska; Regional Haze Plan for the Second Implementation Period;  Extension of Comment Period","toc_subject":"Air Quality State Implementation Plans; Approvals and Promulgations","topics":["Air pollution control","Environmental protection","Incorporation by reference","Intergovernmental relations","Nitrogen dioxide","Ozone","Particulate matter","Reporting and recordkeeping requirements","Sulfur oxides"],"type":"Proposed Rule","volume":90}