Proposed Rule2025-20494

Air Plan Approval; Michigan; Infrastructure SIP Requirements for the 2015 Ozone NAAQS; Michigan State Board Requirements

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
November 20, 2025

Issuing agencies

Environmental Protection Agency

Abstract

The Environmental Protection Agency (EPA) is approving an element of a State Implementation Plan (SIP) submission from Michigan regarding the infrastructure requirements of section 110 of the Clean Air Act (CAA) for the 2015 ozone National Ambient Air Quality Standards (NAAQS). The infrastructure requirements ensure that the structural components of each State's air quality management program are adequate to meet CAA requirements. This action pertains to CAA section 110(a)(2)(E)(ii).

Full Text

<html>
<head>
<title>Federal Register, Volume 90 Issue 222 (Thursday, November 20, 2025)</title>
</head>
<body><pre>
[Federal Register Volume 90, Number 222 (Thursday, November 20, 2025)]
[Proposed Rules]
[Pages 52311-52312]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2025-20494]


-----------------------------------------------------------------------

ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 52

[EPA-R05-OAR-2019-0215; FRL-13010-01-R5]


Air Plan Approval; Michigan; Infrastructure SIP Requirements for 
the 2015 Ozone NAAQS; Michigan State Board Requirements

AGENCY: Environmental Protection Agency (EPA).

ACTION: Proposed rule.

-----------------------------------------------------------------------

SUMMARY: The Environmental Protection Agency (EPA) is approving an 
element of a State Implementation Plan (SIP) submission from Michigan 
regarding the infrastructure requirements of section 110 of the Clean 
Air Act (CAA) for the 2015 ozone National Ambient Air Quality Standards 
(NAAQS). The infrastructure requirements ensure that the structural 
components of each State's air quality management program are adequate 
to meet CAA requirements. This action pertains to CAA section 
110(a)(2)(E)(ii).

DATES: Comments must be received on or before December 22, 2025.

ADDRESSES: Submit your comments, identified by Docket ID No. EPA-R05-
OAR-2019-0215 at <a href="https://www.regulations.gov">https://www.regulations.gov</a> or via email to 
<a href="/cdn-cgi/l/email-protection#ec808d828b818d82c281858f848d8980ac899c8dc28b839a"><span class="__cf_email__" data-cfemail="4d212c232a202c236320242e252c28210d283d2c632a223b">[email&#160;protected]</span></a>. For comments submitted at <a href="http://Regulations.gov">Regulations.gov</a>, 
follow the online instructions for submitting comments. Once submitted, 
comments cannot be edited or removed from the docket. EPA may publish 
any comment received to its public docket. Do not submit electronically 
any information you consider to be Confidential Business Information 
(CBI), Proprietary Business Information (PBI), 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. 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, please contact the person identified in 
the FOR FURTHER INFORMATION CONTACT section. For the full EPA public 
comment policy, information about CBI, PBI, or multimedia submissions, 
and general guidance on making effective comments, please visit <a href="https://wwww.epa.gov/dockets/commenting-epa-dockets">https://wwww.epa.gov/dockets/commenting-epa-dockets</a>.

[[Page 52312]]


FOR FURTHER INFORMATION CONTACT: Kelsey Foss, Air and Radiation 
Division (AR-18J), Environmental Protection Agency, Region 5, 77 West 
Jackson Boulevard, Chicago, Illinois 60604, (312) 886-6008, 
<a href="/cdn-cgi/l/email-protection#95f3fae6e6bbfef0f9e6f0ecd5f0e5f4bbf2fae3"><span class="__cf_email__" data-cfemail="6e08011d1d40050b021d0b172e0b1e0f40090118">[email&#160;protected]</span></a>. The EPA Region 5 office is open from 8:30 a.m. to 
4:30 p.m., Monday through Friday, excluding Federal holidays.

SUPPLEMENTARY INFORMATION: In the Final Rules section of this Federal 
Register, EPA is approving the State's SIP submittal as a direct final 
rule without prior proposal because the Agency views this as a 
noncontroversial submittal and anticipates no adverse comments. A 
detailed rationale for the approval is set forth in the direct final 
rule. If no relevant adverse comments are received in response to this 
rule, no further activity is contemplated. If EPA receives such 
comments, the direct final rule will be withdrawn and all public 
comments received will be addressed in a subsequent final rule based on 
this proposed rule. EPA will not institute a second comment period. Any 
parties interested in commenting on this action should do so at this 
time. Please note that if EPA receives adverse comment on an amendment, 
paragraph, or section of this rule and if that provision may be severed 
from the remainder of the rule, EPA may adopt as final those provisions 
of the rule that are not the subject of an adverse comment. For 
additional information, see the direct final rule which is located in 
the Rules section of this Federal Register.

    Dated: November 4, 2025.
Anne Vogel,
Regional Administrator, Region 5.
[FR Doc. 2025-20494 Filed 11-19-25; 8:45 am]
BILLING CODE 6560-50-P


</pre><script data-cfasync="false" src="/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js"></script></body>
</html>
Indexed from Federal Register on November 20, 2025.

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.