Proposed Rule2026-01319

Proposed Revisions of the Nonattainment Designation for the 2008 and 2015 Ozone Standards and Clean Data Determinations for the 2008 and 2015 Ozone Standards: Cecil County, MD and New Castle County, DE; Extension of Comment Period

Primary source

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Published
January 23, 2026
Effective
January 2, 2026

Issuing agencies

Environmental Protection Agency

Abstract

The Environmental Protection Agency (EPA) is extending the comment period for a proposed rule that published January 2, 2026. The current comment period for the proposed rule was scheduled to close on February 2, 2026. The EPA is extending the comment period for the proposed action to February 9, 2026.

Full Text

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<title>Federal Register, Volume 91 Issue 15 (Friday, January 23, 2026)</title>
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[Federal Register Volume 91, Number 15 (Friday, January 23, 2026)]
[Proposed Rules]
[Pages 2894-2895]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2026-01319]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Parts 52 and 81

[EPA-R03-OAR-2025-1872; FRL-12994-03-R3]


Proposed Revisions of the Nonattainment Designation for the 2008 
and 2015 Ozone Standards and Clean Data Determinations for the 2008 and 
2015 Ozone Standards: Cecil County, MD and New Castle County, DE; 
Extension of Comment Period

AGENCY: Environmental Protection Agency (EPA).

ACTION: Proposed rule; extension of comment period.

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SUMMARY: The Environmental Protection Agency (EPA) is extending the 
comment period for a proposed rule that published January 2, 2026. The 
current comment period for the proposed rule was scheduled to close on 
February 2, 2026. The EPA is extending the comment period for the 
proposed action to February 9, 2026.

DATES: The comment period for the proposed rule published on January 2, 
2026 (91 FR 98) was originally scheduled to close on February 2, 2026, 
but the comment period is being extended by 7 days. Comments must be 
received on or before February 9, 2026.

ADDRESSES: Submit your comments, identified by Docket ID No. EPA-R03-
OAR-2025-1872 at <a href="http://www.regulations.gov">www.regulations.gov</a>. Additional instructions to 
comment can be found in the notice of proposed rulemaking published 
January 2, 2026, at 91 FR 98.

FOR FURTHER INFORMATION CONTACT: Sarah McCabe, U.S. Environmental 
Protection Agency, Air & Radiation Division, U.S. Environmental 
Protection Agency, Region III, Four Penn Center, 1600 John F. Kennedy 
Boulevard, Philadelphia, Pennsylvania 19103. The telephone number is 
(215) 814-5786. Ms. McCabe can also be reached via electronic mail at 
<a href="/cdn-cgi/l/email-protection#e9848a8a888b8cc79a889b8881a98c9988c78e869f"><span class="__cf_email__" data-cfemail="066b656567646328756774676e4663766728616970">[email&#160;protected]</span></a>.

SUPPLEMENTARY INFORMATION: On January 2, 2026, the EPA published the

[[Page 2895]]

notice of proposed rulemaking (NPRM) ``Proposed Revisions of the 
Nonattainment Designation for the 2008 and 2015 Ozone Standards and 
Clean Data Determinations for the 2008 and 2015 Ozone Standards: Cecil 
County, MD and New Castle County, DE'' in the Federal Register (91 FR 
98). The NPRM specified that the comment period would end on February 
2, 2026. However, the EPA's Technical Support Document (TSD), 
identified in the docket as ``MD DE 107 TSD Final'', was not made 
available in the docket until January 5, 2026 (three days after 
publication). To ensure the public and interested parties have 
sufficient time to review the associated docket materials and submit 
comment on the NPRM, the EPA is extending the comment period by a week 
to February 9, 2026.

List of Subjects

40 CFR Part 52

    Environmental protection, Air pollution control, Incorporation by 
reference, Intergovernmental relations, Nitrogen dioxide, Ozone, 
Volatile organic compounds.

 40 CFR Part 81

    Environmental protection, Air pollution control, Designations, 
Intergovernmental relations, Redesignation, Reporting and recordkeeping 
requirements Nitrogen dioxide, Ozone, Volatile organic compounds.

Amy Van Blarcom-Lackey,
Regional Administrator, Region III.
[FR Doc. 2026-01319 Filed 1-22-26; 8:45 am]
BILLING CODE 6560-50-P


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Indexed from Federal Register on January 23, 2026.

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