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Federal Register / Vol. 86, No. 156 / Tuesday, August 17, 2021 / Rules and Regulations
p.m. on September 5, 2021. If necessary due to inclement weather on September 5, 2021, it will be enforced from 7:30
p.m. to 10:30 p.m. on September 6, 2021.
Dated: August 9, 2021.
David E. OConnell, Captain, U.S. Coast Guard, Captain of the Port Maryland-National Capital Region.
FR Doc. 202117402 Filed 81621; 8:45 am BILLING CODE 911004P

ENVIRONMENTAL PROTECTION
AGENCY
40 CFR Part 52
EPAR01OAR20210250; FRL886002
R1

Air Plan Approval; Maine and New Hampshire; 2015 Ozone NAAQS
Interstate Transport Requirements Environmental Protection Agency EPA.
ACTION: Final rule.
AGENCY:

The Environmental Protection Agency EPA is approving SIP revisions submitted by the States of Maine and New Hampshire as meeting the Clean Air Act CAA requirement that each State Implementation Plan SIP contain adequate provisions to prohibit emissions that will significantly contribute to nonattainment or interfere with maintenance of the 2015 ozone NAAQS in any other state. This action is being taken in accordance with the Clean Air Act.
DATES: This rule is effective on August 17, 2021.
ADDRESSES: EPA has established a docket for this action under Docket Identification No. EPAR01OAR
20210250. All documents in the docket are listed on the https
www.regulations.gov website. Although listed in the index, some information is not publicly available, i.e., CBI or other information whose disclosure is restricted by statute. Certain other material, such as copyrighted material, is not placed on the internet and will be publicly available only in hard copy form. Publicly available docket materials are available at https
www.regulations.gov or at the U.S.
Environmental Protection Agency, EPA
Region 1 Regional Office, Air and Radiation Division, 5 Post Office SquareSuite 100, Boston, MA. EPA
requests that if at all possible, you contact the contact listed in the FOR
FURTHER INFORMATION CONTACT section to schedule your inspection. The Regional Offices official hours of business are
khammond on DSKJM1Z7X2PROD with RULES

SUMMARY:

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Monday through Friday, 8:30 a.m. to 4:30 p.m., excluding legal holidays and facility closures due to COVID19.
FOR FURTHER INFORMATION CONTACT:
Alison C. Simcox, Air Quality Branch, U.S. Environmental Protection Agency, EPA Region 1, 5 Post Office Square Suite 100, Mail code 052, Boston, MA
021093912, tel. 617 9181684, email simcox.alison@epa.gov.
SUPPLEMENTARY INFORMATION:
Throughout this document whenever we, us, or our is used, we mean EPA.

included the updated emissions data in the docket for this action.1
II. Final Action
Table of Contents
EPA is approving, as revisions to the Maine and New Hampshire SIPs, each states SIP revisions, submitted on February 6, 2020, and September 5, 2018, respectively. These revisions are approved as meeting CAA section 110a2DiI requirements that emissions from each state, considered separately, do not contribute to nonattainment or interfere with maintenance of the 2015 ozone NAAQS
in any other state.

I. Background and Purpose II. Final Action III. Statutory and Executive Order Reviews
III. Statutory and Executive Order Reviews
I. Background and Purpose On June 10, 2021, EPA published a Notice of Proposed Rulemaking NPRM
for the States of Maine and New Hampshire. See 86 FR 30854.
The NPRM proposed approval of Maine and New Hampshire SIP
revisions that address the CAA
requirement prohibiting emissions from each of these states, considered separately, from adversely affecting air quality in other states for the 2015
ozone National Ambient Air Quality Standards NAAQS. The SIP revisions were submitted to EPA by Maine on February 6, 2020, and by New Hampshire on September 5, 2018. The rationale for EPAs proposed action is given in the NPRM. EPA received no public comments on the NPRM.
As part of our rationale for approving the Maine and New Hampshire SIPs in the proposal, EPA relied on historical trends in National Emissions Inventory NEI data. The data demonstrate a downward trend in emissions in Maine and New Hampshire, adds support to the air quality analyses presented in the proposal for each state, and indicates that the contributions from emissions from sources in Maine and New Hampshire to ozone receptors i.e., air quality monitors in downwind states will continue to decline. For each state, the data indicate that contributions will remain below one percent of the NAAQS. Since the publication of the proposed approval, EPA has made minor updates to the NEI data for the years 2017 through 2019. As a result of these updates, reported emissions during these years for both New Hampshire and Maine have been slightly reduced. These minor updates do not impact our decision to approve SIPs for each of these states, nor do they change our rationale for doing so, as the reduced emissions continue to support our approval decision. We have
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Under the Clean Air Act, the Administrator is required to approve a SIP submission that complies with the provisions of the Act and applicable Federal regulations. 42 U.S.C. 7410k;
40 CFR 52.02a. Thus, in reviewing SIP
submissions, EPAs role is to approve state choices, provided that they meet the criteria of the Clean Air Act.
Accordingly, this action merely approves state law as meeting Federal requirements and does not impose additional requirements beyond those imposed by state law. For that reason, this action:
Is not a significant regulatory action subject to review by the Office of Management and Budget under Executive Orders 12866 58 FR 51735, October 4, 1993 and 13563 76 FR 3821, January 21, 2011;
Does not impose an information collection burden under the provisions of the Paperwork Reduction Act 44
U.S.C. 3501 et seq.;
Is certified as not having a significant economic impact on a substantial number of small entities under the Regulatory Flexibility Act 5
U.S.C. 601 et seq.;
Does not contain any unfunded mandate or significantly or uniquely affect small governments, as described in the Unfunded Mandates Reform Act of 1995 Pub. L. 1044;
Does not have federalism implications as specified in Executive Order 13132 64 FR 43255, August 10, 1999;
Is not an economically significant regulatory action based on health or safety risks subject to Executive Order 13045 62 FR 19885, April 23, 1997;
Is not a significant regulatory action subject to Executive Order 13211 66 FR
28355, May 22, 2001;
1 See 2005 thru 2019 + 2021_2023_2028 Annual State Tier 1 Emissions_v3 available in the docket for this action.

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