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Notice2026-19497

Proposed Consent Decree; Clean Air Act Citizen Suit

Primary source

Metadata and text below are from the Federal Register, a public-domain U.S. government work. Always verify the official published version before relying on it for any legal matter.

Published
September 24, 2026

Issuing agencies

Environmental Protection Agency

Abstract

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.

Full Text

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<title>Federal Register, Volume 91 Issue 184 (Thursday, September 24, 2026)</title>
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[Federal Register Volume 91, Number 184 (Thursday, September 24, 2026)]
[Notices]
[Pages 60619-60620]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2026-19497]



[[Page 60619]]

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ENVIRONMENTAL PROTECTION AGENCY

[EPA-HQ-OGC-2026-7625; FRL-13613-01-OGC]


Proposed Consent Decree; Clean Air Act Citizen Suit

AGENCY: Environmental Protection Agency (EPA).

ACTION: Notice of proposed consent decree; request for public comment.

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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 <a href="https://www.regulations.gov">https://www.regulations.gov</a> (the EPA's 
preferred method). Follow the online instructions for submitting 
comments.
    Instructions: All submissions received must include the Docket ID 
number for this action. Comments received may be posted without change 
to <a href="https://www.regulations.gov">https://www.regulations.gov</a>, including any personal information 
provided. For detailed instructions on sending comments and additional 
information on the rulemaking process, see the ``Additional Information 
about Commenting on the Proposed Consent Decree'' heading under the 
SUPPLEMENTARY INFORMATION section of this document.

FOR FURTHER INFORMATION CONTACT: Corin James, Air and Radiation Law 
Office, Office of General Counsel, U.S. Environmental Protection 
Agency; telephone (202) 564-1754; email address <a href="/cdn-cgi/l/email-protection#6e040f030b1d400d011c07005e5f2e0b1e0f40090118"><span class="__cf_email__" data-cfemail="4228232f27316c212d302b2c7273022732236c252d34">[email&#160;protected]</span></a>.

SUPPLEMENTARY INFORMATION:

I. Obtaining a Copy of the Proposed Consent Decree

    The official public docket for this action (identified by Docket ID 
No. EPA-HQ-OGC-2026-7625) contains a copy of the proposed consent 
decree. The official public docket is available for public viewing at 
the Office of Environmental Information (OEI) Docket in the EPA Docket 
Center, EPA West, Room 3334, 1301 Constitution Ave. NW, Washington, DC. 
The EPA Docket Center Public Reading Room is open from 8:30 a.m. to 
4:30 p.m., Monday through Friday, excluding legal holidays. The 
telephone number for the Public Reading Room is (202) 566-1744 and the 
telephone number for the OEI Docket is (202) 566-1752.
    The electronic version of the public docket for this action 
contains a copy of the proposed consent decree and is available through 
<a href="https://www.regulations.gov">https://www.regulations.gov</a>. You may use <a href="https://www.regulations.gov">https://www.regulations.gov</a> to 
submit or view public comments, access the index listing of the 
contents of the official public docket, and access those documents in 
the public docket that are available electronically. Once in the 
system, key in the appropriate docket identification number then select 
``search.''

II. Additional Information About the Proposed Consent Decree

    The proposed consent decree would establish deadlines for final 
actions on the portions of SIP submissions as described in the proposed 
consent decree by the associated deadlines. These include:
    1. A notice of final rulemaking to approve, disapprove, 
conditionally approve, or approve in part and conditionally approve or 
disapprove in part, portions of the June 26, 2023 SIP submission as 
described in the proposed consent decree. This June 26, 2023 SIP 
submission addresses, among other revisions, nonattainment planning 
requirements for the Denver-Boulder-Greeley-Ft. Collins-Loveland, 
Colorado Severe nonattainment area with respect to the 2008 Ozone 
NAAQS; nonattainment planning requirements for the Denver Metro/North 
Front Range Moderate nonattainment area with respect to the 2015 Ozone 
NAAQS (which is now classified as Serious); revisions to the State's 
Regulation 3 including processing fees, hazardous air pollutants, and 
other revisions; revisions to the State's Regulation 7 including SIP 
strengthening measures, gasoline tank truck testing requirements, and 
other revisions; revisions to the Common Provisions; and revisions to 
the Motor Vehicle Emissions Budgets and Transportation Conformity with 
respect to the 2015 Ozone NAAQS. The deadlines for action on different 
portions of the June 23, 2026 Colorado SIP submission include July 9, 
2027; August 31, 2027; and December 17, 2027. See the proposed consent 
decree located in the docket for this rulemaking for a full list of the 
SIP revisions on which the appropriate EPA official will sign a final 
action and each associated deadline.
    2. A notice of final rulemaking to approve a SIP revision submitted 
to the EPA by the State of Colorado, promulgate a Federal 
Implementation Plan (FIP), or approve in part a revised SIP revision 
and promulgate a partial FIP to address the deficiencies identified in 
the EPA's limited disapproval of certain portions of SIP submissions 
submitted by the State of Colorado on May 14, 2018; May 13, 2020; March 
22, 2021; May 18, 2021; and May 20, 2022, which were intended to 
address certain Reasonably Available Control Technology (RACT) 
requirements for the Denver-Boulder-Greeley-Ft. Collins-Loveland, 
Colorado area's prior status as a Serious nonattainment area for the 
2008 Ozone NAAQS, see 88 FR 29827 (May 9, 2023), no later than August 
31, 2027.
    3. A notice of final rulemaking to approve a SIP revision submitted 
to the EPA by the State of California, promulgate a FIP, or approve in 
part a revised SIP revision and promulgate a partial FIP to address the 
deficiencies identified in the EPA's limited disapproval of CARB's Oil 
and Gas Methane Rule, see 87 FR 59314, no later than March 15, 2028.
    The proposed consent decree would also require the EPA to send 
notice of each action to the Office of the Federal Register for review 
and publication in the Federal Register no later than 15 business days 
after signature.
    In accordance with section 113(g) of the CAA, for a period of 
thirty (30) days following the date of publication of this document, 
the EPA will accept written comments relating to the proposed consent 
decree. The EPA or the Department of Justice may withdraw or withhold 
consent to the proposed consent decree if the comments disclose facts 
or considerations that indicate that such consent is inappropriate, 
improper, inadequate, or inconsistent with the requirements of the Act.

[[Page 60620]]

III. Additional Information About Commenting on the Proposed Consent 
Decree

    Submit your comments, identified by Docket ID No. EPA-HQ-OGC-2026-
7625, via <a href="https://www.regulations.gov">https://www.regulations.gov</a>. Once submitted, comments cannot 
be edited or removed from this docket. The EPA may publish any comment 
received to its public docket. Do not submit to the EPA's docket at 
<a href="https://www.regulations.gov">https://www.regulations.gov</a> any information you consider to be 
Confidential Business Information (CBI) or other information whose 
disclosure is restricted by statute. Multimedia submissions (audio, 
video, etc.) must be accompanied by a written comment. The written 
comment is considered the official comment and should include 
discussion of all points you wish to make. The EPA will generally not 
consider comments or comment contents located outside of the primary 
submission (i.e., on the web, cloud, or other file sharing system). For 
additional submission methods, the full EPA public comment policy, 
information about CBI or multimedia submissions, and general guidance 
on making effective comments, please visit <a href="https://www.epa.gov/dockets/commenting-epa-dockets">https://www.epa.gov/dockets/commenting-epa-dockets</a>. For additional information about submitting 
information identified as CBI, please contact the person listed in the 
FOR FURTHER INFORMATION CONTACT section of this document. Note that 
written comments containing CBI and submitted by mail may be delayed 
and deliveries or couriers will be received by scheduled appointment 
only.
    If you submit an electronic comment, the EPA recommends that you 
include your name, mailing address, and an email address or other 
contact information in the body of your comment. This ensures that you 
can be identified as the submitter of the comment and allows the EPA to 
contact you in case the EPA cannot read your comment due to technical 
difficulties or needs further information on the substance of your 
comment. Any identifying or contact information provided in the body of 
a comment will be included as part of the comment that is placed in the 
official public docket and made available in EPA's electronic public 
docket. If the EPA cannot read your comment due to technical 
difficulties and cannot contact you for clarification, the EPA may not 
be able to consider your comment.
    Use of the <a href="https://www.regulations.gov">https://www.regulations.gov</a> website to submit comments 
to the EPA electronically is the EPA's preferred method for receiving 
comments. The electronic public docket system is an ``anonymous 
access'' system, which means the EPA will not know your identity, email 
address, or other contact information unless you provide it in the body 
of your comment.
    Please ensure that your comments are submitted within the specified 
comment period. Comments received after the close of the comment period 
will be marked ``late.'' The EPA is not required to consider these late 
comments.

Gautam Srinivasan,
Associate General Counsel.
[FR Doc. 2026-19497 Filed 9-23-26; 8:45 am]
BILLING CODE 6560-50-P


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Indexed from Federal Register on September 24, 2026.

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