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Federal Register / Vol. 86, No. 88 / Monday, May 10, 2021 / Rules and Regulations and shall not postpone the effectiveness of such rule or action. This action may not be challenged later in proceedings to enforce its requirements see section 307b2.

State effective date

Definitions

BILLING CODE 656050P

ENVIRONMENTAL PROTECTION
AGENCY
40 CFR Part 52
EPAR06OAR20210604; FRL10023
14Region 6

Air Plan Approval; Louisiana;
Infrastructure State Implementation Plan Requirements for the National Ambient Air Quality Standards Environmental Protection Agency EPA.
ACTION: Final rule.
AGENCY:

Pursuant to the Federal Clean Air Act CAA or the Act, the Environmental Protection Agency EPA
is approving the State Implementation Plan SIP submittal from Louisiana submitted on November 4, 2020 for the 2015 ozone, as well as the 2006 PM2.5, 2008 ozone, 2010 nitrogen dioxide, 2010
sulfur dioxide and the 2012 PM2.5
National Ambient Air Quality Standards. This submittal addresses how the existing SIP contains adequate provisions prohibiting emissions which interfere with required measures in any other State to protect visibility with respect to the 2015 ozone NAAQS as well as the 2006 PM2.5, 2008 ozone, 2010 nitrogen dioxide, 2010 sulfur dioxide and the 2012 PM2.5 NAAQS.
DATES: This rule is effective on June 9, 2021.
ADDRESSES: The EPA has established a docket for this action under Docket ID
SUMMARY:

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16:22 May 07, 2021

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EPA effective date

11/25/2019

Identification of plan.

c

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

74:36:01:01

52.2170

Rule title
FR Doc. 202109863 Filed 5721; 8:45 am
khammond on DSKJM1Z7X2PROD with RULES

PART 52APPROVAL AND
PROMULGATION OF
IMPLEMENTATION PLANS

Rule No.

2. In 52.2170, the table in paragraph c is amended by revising the entry for 74:36:01:01 to read as follows:

40 CFR part 52 is amended as follows:

Environmental protection, Air pollution control, Carbon monoxide, Greenhouse gases, Incorporation by reference, Intergovernmental relations, Lead, Nitrogen dioxide, Ozone, Particulate matter, Reporting and

Subpart QQSouth Dakota
Dated: May 4, 2021.
Debra H. Thomas, Acting Regional Administrator, Region 8.

List of Subjects in 40 CFR Part 52

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

recordkeeping requirements, Sulfur oxides, Volatile organic compounds.

6/9/2021

Final rule citation, date

insert Federal Register citation, 5/10/2021.

No. EPAR06OAR20200604. 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, e.g., Confidential Business Information or other information whose disclosure is restricted by statute.
Certain other material, such as copyrighted material, is not placed on the internet. Publicly available docket materials are available electronically through https www.regulations.gov.
FOR FURTHER INFORMATION CONTACT:
Jennifer Huser, EPA Region 6 Office, Air and Radiation DivisionState Planning and Implementation Branch, 214665
7347, huser.jennifer@epa.gov. Out of an abundance of caution for members of the public and our staff, the EPA Region 6 office will be closed to the public to reduce the risk of transmitting COVID
19. Please call or email the contact listed above if you need alternative access to material indexed but not provided in the docket.
SUPPLEMENTARY INFORMATION:
Throughout this document we, us, and our means the EPA.
I. Background The background for this action is discussed in detail in our February 22, 2021 proposal 86 FR 10509. In that document we proposed to approve the State Implementation Plan SIP
submittal from Louisiana submitted on November 4, 2020 for the 2015 ozone O3, 2006 PM2.5, 2008 ozone, 2010
nitrogen dioxide, 2010 sulfur dioxide and the 2012 PM2.5 National Ambient Air Quality Standards NAAQS. This submittal addresses Prong 4 of the CAA

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Comments

also referred to as visibility transport that requires states to demonstrate that their SIP contains adequate measures that prohibit emissions from any source within a state from interfering with the visibility protection measures of other states. The submittal addresses how the existing SIP contains adequate provisions to meet the requirements with respect to the 2015 ozone NAAQS
as well as the 2006 PM2.5, 2008 ozone, 2010 nitrogen dioxide, 2010 sulfur dioxide and the 2012 PM2.5 NAAQS, as Louisiana now has a fully approved Regional Haze SIP. We did not receive any comments regarding our proposal.
II. Final Action We are approving the SIP revision submitted on November 4, 2020 which addresses the Prong 4 requirements for the following NAAQS: 2015 Ozone, 2006 PM2.5, 2008 Ozone, 2010 Nitrogen dioxide, 2010 Sulfur Dioxide, and the 2012 PM2.5. This action is being taken under section 110 of the Act.
III. Statutory and Executive Order Reviews Under the CAA, 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, the EPAs role is to approve state choices, provided that they meet the criteria of the CAA. 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:

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