{"abstract":"The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Mojave Desert Air Quality Management District (MDAQMD or \"District\") portion of the California State Implementation Plan (SIP). These revisions concern certain amended or rescinded prohibitory and administrative rules. We are approving action on amended or rescinded rules that regulate the pollutants under the Clean Air Act (CAA or \"Act\").","action":"Final rule.","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION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/2026/01/08/2026-00208.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"52","title":40}],"citation":"91 FR 613","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This rule is effective February 9, 2026.","disposition_notes":null,"docket_ids":["EPA-R09-OAR-2024-0210","FRL-11949-02-R9"],"dockets":[{"supporting_documents":[{"title":"E.11 MDAQMD and Air Basins Federal Ozone Nonattainment Areas","document_id":"EPA-R09-OAR-2024-0210-0175"},{"title":"E.10 MDAQMD Final Staff Report, MDAQMD Rule 1102, pdf File","document_id":"EPA-R09-OAR-2024-0210-0172"},{"title":"C.5 43 FR 59490, California Plan Revision: South Coast Air Quality Management District","document_id":"EPA-R09-OAR-2024-0210-0151"},{"title":"B.3.9.2 Notice of Exemption, Riverside County, MDAQMD Rule 470","document_id":"EPA-R09-OAR-2024-0210-0124"},{"title":"B.2.13 MDAQMD Rule 409","document_id":"EPA-R09-OAR-2024-0210-0108"},{"title":"B.2.27 Rule Evaluation Form, MDAQMD Rule 701","document_id":"EPA-R09-OAR-2024-0210-0106"},{"title":"B.2.12.2 Resolution No. 22-11, SCAQMD Rule 409, MDAQMD Rule 409","document_id":"EPA-R09-OAR-2024-0210-0091"},{"title":"B.2.4.2 Resolution No. 22-06, SCAQMD Rule 405, MDAQMD Rule 405","document_id":"EPA-R09-OAR-2024-0210-0086"},{"title":"B.2.21.2 Proof of Publication, The Press-Enterprise, MDAQMD Rule 480","document_id":"EPA-R09-OAR-2024-0210-0076"},{"title":"B.2.1.4 Executive Order S-23-006 signed 5.10.23","document_id":"EPA-R09-OAR-2024-0210-0073"}],"agency_name":"EPA","documents":[{"comment_count":0,"comment_start_date":"2026-01-08","updated_at":"2026-01-08T11:56:14.652-05:00","comment_url":"https://www.regulations.gov/commenton/EPA-R09-OAR-2024-0210-0181","allow_late_comments":false,"id":"EPA-R09-OAR-2024-0210-0181","comment_end_date":null,"regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":179,"id":"EPA-R09-OAR-2024-0210","title":"Air Plan Approval; California; Mojave Desert Air Quality Management District; Replacing Outdated Requirements; Correction"}],"document_number":"2026-00208","effective_on":"2026-02-09","end_page":618,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/01/08/2026-00208.xml","html_url":"https://www.federalregister.gov/documents/2026/01/08/2026-00208/air-plan-approval-california-mojave-desert-air-quality-management-district-replacing-outdated","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-00208?publication_date=2026-01-08","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-01-08/2026-00208/mods.xml","not_received_for_publication":null,"page_length":6,"page_views":{"count":182,"last_updated":"2026-06-12 20:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-01-08/pdf/2026-00208.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-00208.pdf?1767793519","publication_date":"2026-01-08","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/01/08/2026-00208.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[{"title":"E.11 MDAQMD and Air Basins Federal Ozone Nonattainment Areas","document_id":"EPA-R09-OAR-2024-0210-0175"},{"title":"E.10 MDAQMD Final Staff Report, MDAQMD Rule 1102, pdf File","document_id":"EPA-R09-OAR-2024-0210-0172"},{"title":"C.5 43 FR 59490, California Plan Revision: South Coast Air Quality Management District","document_id":"EPA-R09-OAR-2024-0210-0151"},{"title":"B.3.9.2 Notice of Exemption, Riverside County, MDAQMD Rule 470","document_id":"EPA-R09-OAR-2024-0210-0124"},{"title":"B.2.13 MDAQMD Rule 409","document_id":"EPA-R09-OAR-2024-0210-0108"},{"title":"B.2.27 Rule Evaluation Form, MDAQMD Rule 701","document_id":"EPA-R09-OAR-2024-0210-0106"},{"title":"B.2.12.2 Resolution No. 22-11, SCAQMD Rule 409, MDAQMD Rule 409","document_id":"EPA-R09-OAR-2024-0210-0091"},{"title":"B.2.4.2 Resolution No. 22-06, SCAQMD Rule 405, MDAQMD Rule 405","document_id":"EPA-R09-OAR-2024-0210-0086"},{"title":"B.2.21.2 Proof of Publication, The Press-Enterprise, MDAQMD Rule 480","document_id":"EPA-R09-OAR-2024-0210-0076"},{"title":"B.2.1.4 Executive Order S-23-006 signed 5.10.23","document_id":"EPA-R09-OAR-2024-0210-0073"}],"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-R09-OAR-2024-0210","supporting_documents_count":179,"docket_id":"EPA-R09-OAR-2024-0210","document_id":"EPA-R09-OAR-2024-0210-0181","regulation_id_number":null,"title":"Air Plan Approval; California; Mojave Desert Air Quality Management District; Replacing Outdated Requirements; Correction","checked_regulationsdotgov_at":"2026-01-09T20:55:06Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":613,"subtype":null,"title":"Air Plan Approval; California; Mojave Desert Air Quality Management District; Replacing Outdated Requirements","toc_doc":"California; Mojave Desert Air Quality Management District; Replacing Outdated Requirements","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","Volatile organic compounds"],"type":"Rule","volume":91}