Proposed Rule2021-17587

Air Plan Approval; Missouri Redesignation Request and Associated Maintenance Plan for the Jefferson County 2010 SO2 1-Hour NAAQS Nonattainment Area; Reopening of Comment Period

Primary source

Metadata and text below are from the Federal Register, a public-domain U.S. government work. Always verify the official published version before relying on it for any legal matter.

Published
August 17, 2021

Issuing agencies

Environmental Protection Agency

Abstract

On June 29, 2021, the Environmental Protection Agency (EPA) proposed a rule titled, "Air Plan Approval; Missouri Redesignation Request and Associated Maintenance Plan for the Jefferson County 2010 SO<INF>2</INF> 1-Hour NAAQS Nonattainment Area." In response to stakeholder requests, the EPA is reopening the comment period for this proposed rule.

Full Text

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<title>Federal Register, Volume 86 Issue 156 (Tuesday, August 17, 2021)</title>
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[Federal Register Volume 86, Number 156 (Tuesday, August 17, 2021)]
[Proposed Rules]
[Pages 45950-45951]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2021-17587]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Parts 52 and 81

[EPA-R07-OAR-2021-0391; FRL-8693-03-R7]


Air Plan Approval; Missouri Redesignation Request and Associated 
Maintenance Plan for the Jefferson County 2010 SO2 1-Hour NAAQS 
Nonattainment Area; Reopening of Comment Period

AGENCY: Environmental Protection Agency (EPA).

ACTION: Proposed rule; reopening of comment period.

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SUMMARY: On June 29, 2021, the Environmental Protection Agency (EPA) 
proposed a rule titled, ``Air Plan Approval; Missouri Redesignation 
Request and Associated Maintenance Plan for the Jefferson County 2010 
SO<INF>2</INF> 1-Hour NAAQS Nonattainment Area.'' In response to 
stakeholder requests, the EPA is reopening the comment period for this 
proposed rule.

DATES: The comment period for the proposed rule published on June 29, 
2021 (86 FR 34177), is reopened. Written comments must be received on 
or before September 16, 2021.

ADDRESSES: You may send comments, identified by Docket ID No. EPA-R07-
OAR-2021-0391 to <a href="https://www.regulations.gov">https://www.regulations.gov</a>. 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 <a href="https://www.regulations.gov">https://www.regulations.gov</a>, 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) 551-7629, or by email at: 
<a href="/cdn-cgi/l/email-protection#a8c3cdc9db86c9dbc0c4cdd1e8cdd8c986cfc7de"><span class="__cf_email__" data-cfemail="472c2226346926342f2b223e0722372669202831">[email&#160;protected]</span></a>.

SUPPLEMENTARY INFORMATION: On June 29, 2021, the EPA published in the 
Federal Register (86 FR 34177), a notice of proposed rulemaking, 
proposing to approve the State of Missouri's December 27, 2017, request 
for the EPA to redesignate the Jefferson County, Missouri, 2010 1-hour 
sulfur dioxide (SO<INF>2</INF>) 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, on June 28, 2021, the EPA proposed to take the 
following actions: Approve the State's plan for maintaining attainment 
of the 2010 1-hour SO<INF>2</INF> primary standard in the area; and 
approve the State's request to redesignate the Jefferson County 
SO<INF>2</INF> nonattainment area to attainment for the 2010 1-hour 
SO<INF>2</INF> primary standard.
    For more detailed information about this matter, please refer to 
the June 29, 2021 Federal Register document.
    The notice of proposed rulemaking, as initially published in the 
Federal Register, provided for written comments to be submitted to the 
EPA on or before July 29, 2021 (a 30-day public comment period). Since 
publication, the EPA was made aware that the Technical Support Document 
(TSD) associated with the proposed rule was not included in the docket. 
The TSD was uploaded to the docket on July 18, 2021. Subsequently, the 
EPA received stakeholder requests

[[Page 45951]]

for the comment period to be extended. Accordingly, the EPA is 
reopening the public comment period to afford stakeholders the ability 
to fully evaluate the EPA's proposed action and an opportunity to 
comment on the technical basis for the EPA's proposed action. The EPA 
will address all comments received on the original proposal and on this 
supplemental notice in our final action.

    Dated: August 11, 2021.
Edward H. Chu,
Acting Regional Administrator, Region 7.
[FR Doc. 2021-17587 Filed 8-16-21; 8:45 am]
BILLING CODE 6560-50-P


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Indexed from Federal Register on August 17, 2021.

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