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Federal Register / Vol. 86, No. 122 / Tuesday, June 29, 2021 / Proposed Rules specified by Executive Order 13175 65
FR 67249, November 9, 2000.
List of Subjects in 40 CFR Part 52

Dated: June 22, 2021.
Edward H. Chu, Acting Regional Administrator, Region 7.

For the reasons stated in the preamble, the EPA proposes to amend 40 CFR part 52 as set forth below:

Environmental protection, Air pollution control, Incorporation by reference, Infrastructure, Intergovernmental relations, Ozone.

PART 52APPROVAL AND
PROMULGATION OF
IMPLEMENTATION PLANS

Authority: 42 U.S.C. 7401 et seq.

Subpart QIowa 2. In 52.820, the table in paragraph e is amended by adding the entry 54 in numerical order to read as follows:

52.820

1. The authority citation for part 52
continues to read as follows:

Identification of plan.

e

EPA-APPROVED IOWA NONREGULATORY PROVISIONS
Name of nonregulatory SIP provision

54Section 110a2 Infrastructure Requirements for the 2015 O3 NAAQS.

Applicable geographic or nonattainment area
Statewide

FR Doc. 202113824 Filed 62821; 8:45 am BILLING CODE 656050P

ENVIRONMENTAL PROTECTION
AGENCY
40 CFR Parts 52 and 81
EPAR07OAR20210391; FRL10025
26Region 7

Air Plan Approval; Missouri Redesignation Request and Associated Maintenance Plan for the Jefferson County 2010 SO2 1-Hour NAAQS Nonattainment Area Environmental Protection Agency EPA.
ACTION: Proposed rule.
AGENCY:

On December 27, 2017, the State of Missouri submitted a request for the Environmental Protection Agency EPA to redesignate the Jefferson County, Missouri, 2010 1-hour sulfur dioxide SO2 National Ambient Air Quality Standard NAAQS
nonattainment area to attainment and to approve a State Implementation Plan SIP revision containing a maintenance plan for the area. The State provided supplemental information on: May 15, 2018; February 7, 2019; February 25, 2019; and April 9, 2021. In response to these submittals, the EPA is proposing to take the following actions: Approve
lotter on DSK11XQN23PROD with PROPOSALS1

SUMMARY:

VerDate Sep<11>2014

16:40 Jun 28, 2021

State submittal date
Jkt 253001

11/30/18

EPA approval date
Explanation

Date of publication of the final rule in the Federal Register, Federal Register citation of the final rule.

EPAR07OAR20210378;
FRL10024
86Region 7.
This action proposes to approve the following CAA elements: 110a2A, B, C, DiIIprongs 3 and 4, Dii, E, F, G, H, J, K, L, and M.
110a2DiIprongs 1 and 2 will be addressed in a separate action. 110a2I
is not applicable.

the States plan for maintaining attainment of the 2010 1-hour SO2
primary standard in the area; and approve the States request to redesignate the Jefferson County SO2
nonattainment area to attainment for the 2010 1-hour SO2 primary standard.
DATES: Comments must be received on or before July 29, 2021.
ADDRESSES: You may send comments, identified by Docket ID No. EPAR07
OAR20210391 to https
www.regulations.gov. Follow the online instructions for submitting comments.
Instructions: All submissions received must include the Docket ID No. for this rulemaking. Comments received will be posted without change to https
www.regulations.gov/, including any personal information provided. For detailed instructions on sending comments and additional information on the rulemaking process, see the Written Comments heading of the SUPPLEMENTARY INFORMATION section of this document.
FOR FURTHER INFORMATION CONTACT:
Ashley Keas, Environmental Protection Agency, Region 7 Office, Air Quality Planning Branch, 11201 Renner Boulevard, Lenexa, Kansas 66219 at 913 5517629 or by email at keas.ashley@epa.gov.
SUPPLEMENTARY INFORMATION:
Throughout this document we, us, and our refer to the EPA.

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Table of Contents I. Written Comments II. Have the requirements for approval of a SIP revision been met?
III. What is the background for the EPAs proposed actions?
IV. What are the criteria for redesignation?
V. What is the EPAs analysis of the request?
VI. What are the actions the EPA is proposing to take?
VII. Environmental Justice Concerns VIII. Incorporation by Reference IX. Statutory and Executive Order Reviews
I. Written Comments Submit your comments, identified by Docket ID No. EPAR07OAR2021
0391, at https www.regulations.gov.
Once submitted, comments cannot be edited or removed from regulations.gov.
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
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