Proposed Consent Decree; Clean Air Act Citizen Suit

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency [EPA-HQ-OGC-2026-7625; FRL-13613-01-OGC] ( printed page 60619) AGENCY: Environmental Protection Agency (EPA). ACTION: Notice of proposed consent decree; request for public comment. SUMMARY: In accordance with the Clean Air Act, as amended (CAA or the “Act”), notice is given of a proposed consent decree in Center for Biological Diversity and Center for Environmental Health v. Lee Zeldin, No. 4:25-cv-10007-JST. On November 20, 2025, and December 24, 2025, Plaintiffs Center for Biological Diversity and the Center for Environmental Health filed a complaint and amended complaint, respectively, in the United States District Court, Northern District of California, Oakland Division, alleging that the Environmental Protection Agency (EPA) failed to perform certain non-discretionary duties in accordance with the Act to take final action on certain state implementation plan (SIP) revisions submitted by the States of California and Colorado pertaining to the 2008 and 2015 ozone national ambient air quality standards (NAAQS). The EPA is providing notice of this proposed consent decree, which would resolve all remaining claims in the case by establishing deadlines for the EPA to take final action as specified in the decree. DATES: Written comments on the proposed consent decree must be received by October 26, 2026. ADDRESSES: Submit your comments, identified by Docket ID No. EPA-HQ-OGC-2026-7625, online at https://www.regulations.gov (the EPA's p…