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Federal Register / Vol. 86, No. 38 / Monday, March 1, 2021 / Rules and Regulations that before a rule may take effect, the agency promulgating the rule must submit a rule report, which includes a copy of the rule, to each House of the Congress and to the Comptroller General of the United States. EPA will submit a report containing this action and other required information to the U.S. Senate, the U.S. House of Representatives, and the Comptroller General of the United States prior to publication of the rule in the Federal Register. A major rule cannot take effect until 60 days after it is published in the Federal Register.
This action is not a major rule as defined by 5 U.S.C. 8042.
Under section 307b1 of the CAA, petitions for judicial review of this action must be filed in the United States Court of Appeals for the appropriate circuit by April 30, 2021. Filing a petition for reconsideration by the Administrator of this final rule does not affect the finality of this action for the purposes of judicial review nor does it extend the time within which a petition for judicial review may be filed, 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.
List of Subjects in 40 CFR Part 52
Environmental protection, Air pollution control, Incorporation by reference, Sulfur oxides.
Dated: February 22, 2021.
Cheryl Newton, Acting Regional Administrator, Region 5.

40 CFR part 52 is amended as follows:
PART 52APPROVAL AND
PROMULGATION OF
IMPLEMENTATION PLANS
1. The authority citation for part 52
continues to read as follows:

Authority: 42 U.S.C. 7401 et seq.
52.720

Amended
2. In 52.720, the table in paragraph d is amended by removing the entry for IPH/Ameren Energy.

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ENVIRONMENTAL PROTECTION
AGENCY
40 CFR Part 52
EPAR04OAR20170626; FRL10017
45Region 4

Air Plan Approval; Tennessee;
Emissions Inventory and Nonattainment New Source Review Plan for Sullivan County SO2
Nonattainment Area Environmental Protection Agency EPA.
ACTION: Final rule.
AGENCY:

The Environmental Protection Agency EPA is taking final action to approve portions of State Implementation Plan SIP revisions submitted by the State of Tennessee, through the Tennessee Department of Environment and Conservation TDEC, on May 12, 2017. The portions that EPA
is approving are the emissions inventory and nonattainment new source review NNSR requirements for the 2010 1hour sulfur dioxide SO2 primary national ambient air quality standard NAAQS for the Sullivan County SO2
nonattainment area hereinafter referred to as the Sullivan County Area or Area. The Sullivan County Area is comprised of a portion of Sullivan County in Tennessee surrounding the Eastman Chemical Company hereinafter referred to as Eastman.
EPA is not taking action on the other portions of the May 12, 2017, SIP
submissions. EPA has determined that Tennessee has met the applicable emissions inventory and NNSR
requirements under the Clean Air Act CAA or Act for the 2010 1-hour primary SO2 NAAQS in the Sullivan County Area.
DATES: This rule is effective March 31, 2021.
ADDRESSES: EPA has established a docket for this action under Docket Identification No. EPAR04OAR
20170626. All documents in the docket are listed on the www.regulations.gov website. Although listed in the index, some information may not be publicly available, i.e., 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 and will be publicly available only in hard copy form.
Publicly available docket materials are available either electronically through www.regulations.gov or in hard copy at the Air Regulatory Management Section, Air Planning and Implementation Branch, Air and Radiation Division, SUMMARY:

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U.S. Environmental Protection Agency, Region 4, 61 Forsyth Street SW, Atlanta, Georgia 303038960. EPA requests that if at all possible, you contact the person listed in the FOR FURTHER INFORMATION
CONTACT section to schedule your inspection. The Regional Offices official hours of business are Monday through Friday 8:30 a.m. to 4:30 p.m., excluding Federal holidays.
FOR FURTHER INFORMATION CONTACT:
Steven Scofield, Air Regulatory Management Section, Air Planning and Implementation Branch, Air and Radiation Division, U.S. Environmental Protection Agency, Region 4, 61 Forsyth Street SW, Atlanta, Georgia 303038960.
Mr. Scofield can be reached via telephone at 404 5629034 or via electronic mail at scofield.steve@
epa.gov.
SUPPLEMENTARY INFORMATION:
I. Background and Purpose On June 22, 2010, EPA published notice of a new 1-hour primary SO2
NAAQS of 75 parts per billion ppb, which is met at an ambient air quality monitoring site when the 3-year average of the annual 99th percentile of daily maximum 1-hour concentrations does not exceed 75 ppb, as determined in accordance with appendix T of 40 CFR
part 50. See 75 FR 35520, codified at 40
CFR 50.17a and b. On August 5, 2013, EPA designated a first set of 29
areas of the country as nonattainment for the 2010 SO2 NAAQS, including the Sullivan County Area within the State of Tennessee. See 78 FR 47191, codified at 40 CFR part 81, subpart C. These Round one area designations were effective October 4, 2013. Section 191a of the CAA directs states to submit SIPs for areas designated as nonattainment for the SO2 NAAQS to EPA within 18
months of the effective date of the designation, i.e., by no later than April 4, 2015 in this case. Section 192a requires that such plans shall provide for NAAQS attainment as expeditiously as practicable, but no later than 5 years from the effective date of designation, which is October 4, 2018 in this case, in accordance with CAA sections 191192.
Section 172c of part D of the CAA
requires such SIP submittals to comply with the following: Provide for the implementation of all reasonably available control measures as expeditiously as practicable and attainment of the NAAQS; require reasonable further progress RFP;
include a comprehensive, accurate, current inventory of actual emissions from all sources in the area; identify and quantify the emissions of any pollutants from new or modified major sources in
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