Proposed Rule2025-13335
Air Plan Approval; Guam; Base Year Emissions Inventory for the 2010 1-Hour Sulfur Dioxide National Ambient Air Quality Standard for the Piti-Cabras Nonattainment Area
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
July 16, 2025
Issuing agencies
Environmental Protection Agency
Abstract
The Environmental Protection Agency (EPA) is proposing to approve a revision to Guam's State Implementation Plan (SIP) under section 110(k)(3) of the Clean Air Act (CAA or "the Act"). This revision concerns the base year emissions inventory for the Piti- Cabras, Guam sulfur dioxide (SO<INF>2</INF>) nonattainment area ("Piti-Cabras area" or NAA) for the 2010 1-hour SO<INF>2</INF> National Ambient Air Quality Standard (NAAQS, "standard," or "2010 SO<INF>2</INF> NAAQS"). We are taking comments on a proposed approval of this revision and are simultaneously publishing a final action approving this revision in a direct final rule.
Full Text
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<title>Federal Register, Volume 90 Issue 134 (Wednesday, July 16, 2025)</title>
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[Federal Register Volume 90, Number 134 (Wednesday, July 16, 2025)]
[Proposed Rules]
[Page 31923]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2025-13335]
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ENVIRONMENTAL PROTECTION AGENCY
40 CFR Part 52
[EPA-R09-OAR-2025-0268; FRL-12868-01-R9]
Air Plan Approval; Guam; Base Year Emissions Inventory for the
2010 1-Hour Sulfur Dioxide National Ambient Air Quality Standard for
the Piti-Cabras Nonattainment Area
AGENCY: Environmental Protection Agency (EPA).
ACTION: Proposed rule.
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SUMMARY: The Environmental Protection Agency (EPA) is proposing to
approve a revision to Guam's State Implementation Plan (SIP) under
section 110(k)(3) of the Clean Air Act (CAA or ``the Act''). This
revision concerns the base year emissions inventory for the Piti-
Cabras, Guam sulfur dioxide (SO<INF>2</INF>) nonattainment area
(``Piti-Cabras area'' or NAA) for the 2010 1-hour SO<INF>2</INF>
National Ambient Air Quality Standard (NAAQS, ``standard,'' or ``2010
SO<INF>2</INF> NAAQS''). We are taking comments on a proposed approval
of this revision and are simultaneously publishing a final action
approving this revision in a direct final rule.
DATES: Comments must be received on or before August 15, 2025.
ADDRESSES: Submit your comments, identified by Docket ID No. EPA-R09-
OAR-2025-0268 at <a href="https://www.regulations.gov">https://www.regulations.gov</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
<a href="http://Regulations.gov">Regulations.gov</a>. The EPA may publish any comment received to its public
docket. Do not submit electronically 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, please contact the person identified in
the FOR FURTHER INFORMATION CONTACT section. For 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>. If you need assistance in a
language other than English or if you are a person with a disability
who needs a reasonable accommodation at no cost to you, please contact
the person identified in the FOR FURTHER INFORMATION CONTACT section.
FOR FURTHER INFORMATION CONTACT: Khoi Nguyen, Geographic Strategies and
Modeling Section, Planning & Analysis Branch, Air & Radiation Division,
EPA Region IX, 75 Hawthorne Street, San Francisco, CA 94105; telephone
number: 415-947-4120; email address: <a href="/cdn-cgi/l/email-protection#266841535f4348086d4e494f6643564708414950"><span class="__cf_email__" data-cfemail="e7a980929e8289c9ac8f888ea7829786c9808891">[email protected]</span></a>.
SUPPLEMENTARY INFORMATION: Throughout this document, ``we,'' ``us,''
and ``our'' refer to the EPA. In the ``Rules and Regulations'' section
of this issue of the Federal Register, the EPA is approving Guam's
submission as a direct final rule without prior proposal because we
view this as a noncontroversial action and anticipate no adverse
comments. A detailed rationale for the action is set forth in the
preamble to the direct final rule. If the EPA receives no adverse
comments, the EPA contemplates no further action. If the EPA receives
adverse comments, the EPA will withdraw the direct final rule and will
address all public comments in a subsequent final rule based on this
proposed rule. We do not plan to open a second comment period on this
action, so anyone interested in commenting should do so at this time.
For additional information, see the direct final rule of the same title
that is located in the Final Rules section of this Federal Register.
Dated: July 7, 2025.
Joshua F.W. Cook,
Regional Administrator, Region IX.
[FR Doc. 2025-13335 Filed 7-15-25; 8:45 am]
BILLING CODE 6560-50-P
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