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Federal Register / Vol. 86, No. 134 / Friday, July 16, 2021 / Rules and Regulations required by CAA section 110l 40
CFR1090.290d. EPA published a proposed approval of the SIP revision on March 25, 2021 86 FR 15844 and a final approval of the SIP revision on June 2, 2021 86 FR 29520, with an effective date of July 2, 2021. The RFG
opt-out regulations provide that the optout effective date shall be no less than 90 days from the EPA SIP approval effective date 40 CFR 1090d2ii.
EPA is unaware of any reason that the effective date should be postponed, and therefore, is establishing an opt-out effective date of September 30, 2021 for the Southern Maine Area.
As provided by the RFG Opt-out Rule and the opt-out regulations in 40 CFR
1090.290e, EPA will publish a final rule to remove the seven counties in the Southern Maine Area from the list of RFG covered areas in 40 CFR
1090.285d after the effective date of the opt-out. EPA believes that completing this ministerial exercise to revise the list of covered areas in the Code of Federal Regulations after the effective date of the opt-out allows the opt-out to become effective within the timeframe described in 40 CFR
1090.290d, and allows EPA to keep the lists of RFG covered areas in 40 CFR
1090.285 up to date.
III. Action
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EPA is approving Maines petition because it contained the information required by 40 CFR 1090d in its petition to EPA to opt-out of the RFG
program and revised the approved maintenance plan for the 1997 ozone NAAQS for the Southern Maine Area to remove the emissions reductions associated with RFG. EPA is also determining the opt-out effective date by applying the criteria in 40 CFR
1090.290d. As discussed in Section II.A. above, the RFG opt-out regulations require that if a state included RFG as a control measure in an approved SIP, the state must revise the SIP, reflecting the removal of RFG as a control measure before an opt-out can be effective, and the opt-out cannot be effective less than
90 days after the effective date of the approval of the SIP revision. EPA
published a final approval of Maines maintenance plan revision and noninterference demonstration on June 2, 2021 86 FR 29520, with an effective date of July 2, 2021.
In summary, EPA is notifying the public that it has applied its regulatory criteria to approve the petition by Maine to opt-out of the RFG program for the Southern Maine Area of the Portland and Midcoast ozone maintenance area for the 1997 ozone NAAQS and is thereby removing the prohibition on the sale of conventional gasoline in that area as of September 30, 2021 40 CFR
1090.290d. This opt-out effective date applies to retailers, wholesale purchasers, consumers, refiners, importers, and distributors.
Michael S. Regan, Administrator.
FR Doc. 202115127 Filed 71521; 8:45 am BILLING CODE 656050P

ENVIRONMENTAL PROTECTION
AGENCY
40 CFR Part 81
EPAHQOAR20200292; FRL782201
OAR
RIN 2060AU79

Redesignation of Certain Unclassifiable Areas for the 2010
1-Hour Sulfur Dioxide SO2 Primary National Ambient Air Quality Standard NAAQS
Environmental Protection Agency EPA.
ACTION: Final rule.
AGENCY:

The Environmental Protection Agency EPA is redesignating the Lancaster County, Nebraska and Milam County, Texas unclassifiable areas initially designated during the EPAs Round 2 air quality designations for the 2010 1-Hour Sulfur Dioxide SO2
Primary National Ambient Air Quality
SUMMARY:

Standard NAAQS. Specifically, the EPA now has sufficient information to determine that these unclassifiable areas in Nebraska and Texas are attaining the 2010 1-hour SO2 primary NAAQS.
Therefore, the EPA is redesignating these areas to attainment/unclassifiable for the 2010 1-hour SO2 primary NAAQS. The EPA is also approving these states requests to redesignate the areas.
DATES: This final rule is effective on August 16, 2021.
ADDRESSES: The EPA has established a docket for this action under Docket ID
No. EPAHQOAR20200292. All documents in the docket are listed in the https www.regulations.gov.
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 and will be publicly available only in hard copy form.
Out of an abundance of caution for members of the public and our staff, the EPA Docket Center and Reading Room are currently closed to the public, with limited exceptions, to reduce the risk of transmitting COVID19. Our Docket Center staff will continue to provide remote customer service via email, phone, and webform. For further information on the EPA Docket Center services and the current status, please visit us online at https www.epa.gov/
dockets.
For general questions concerning this action, please contact Gobeail McKinley, U.S. EPA, Office of Air Quality Planning and Standards, Air Quality Policy Division, C53904, Research Triangle Park, NC 27709, by email at mckinley.gobeail@epa.gov. The following EPA Regional office contacts can answer questions regarding the specific areas being redesignated:
U.S. EPA REGIONAL OFFICE
CONTACTS:

FOR FURTHER INFORMATION CONTACT:

Regional office
Affected state
Contact
Telephone
Region VI
Region VII

Texas
Nebraska

Robert Imhoff
Will Stone

214 6657262
913 5517714

Most EPA offices are closed to reduce the risk of transmitting COVID19, but staff remain available via telephone and email. The EPA encourages the public to review information related to the redesignations at https www.epa.gov/
sulfur-dioxide-designations and in the
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public docket for these SO2
redesignations at https
www.regulations.gov under Docket ID
No. EPAHQOAR20200292.
SUPPLEMENTARY INFORMATION:
Throughout this document we, us, or our means the EPA.

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Email imhoff.robert@epa.gov.
stone.william@epa.gov.

I. Background After the promulgation of a new or revised NAAQS, the EPA is required to designate all areas of the country, pursuant to section 107d12 of the Clean Air Act CAA. For the 2010

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