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[Federal Register Volume 80, Number 84 (Friday, May 1, 2015)]
[Proposed Rules]
[Pages 24872-24873]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2015-10241]

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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 52

[EPA-R06-OAR-2015-0189; FRL-9927-12-Region 6]

Approval and Promulgation of Implementation Plans; Arkansas; 
Regional Haze and Interstate Visibility Transport Federal 
Implementation Plan; Extension of Comment Period and Notice of 
Availability

AGENCY: Environmental Protection Agency (EPA).

ACTION: Proposed rule; extension of comment period; availability of 
supplemental information.

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SUMMARY: The Environmental Protection Agency (EPA) is extending the 
comment period for a proposed rule to establish a Clean Air Act (CAA) 
Federal Implementation Plan (FIP) to address regional haze and 
visibility transport requirements for the State of Arkansas.

[[Page 24873]]

EPA is extending the public comment period until July 15, 2015. The 
extension also is to allow comments on EPA supplemental modeling for 
the Entergy Independence plant.

DATES: The comment period for the proposed rule published April 8, 2015 
(80 FR 18944), is extended. Written comments must be received on or 
before July 15, 2015.

ADDRESSES: Submit your comments, identified by Docket No. EPA-R06-OAR-
2015-0189, by one of the following methods:
     Federal e-Rulemaking Portal: http://www.regulations.gov. 
Follow the online instructions for submitting comments.
     Email: R6AIR_ARHaze@epa.gov.
     Mail: Guy Donaldson, Chief, Air Planning Section (6PD-L), 
Environmental Protection Agency, 1445 Ross Avenue, Suite 1200, Dallas, 
Texas 75202-2733.
     Hand or Courier Delivery: Guy Donaldson at the address 
above. Such deliveries are accepted only between the hours of 8 a.m. 
and 4 p.m. weekdays, and not on legal holidays. Special arrangements 
should be made for deliveries of boxed information.
     Fax: Guy Donaldson at (214) 665-7263.
    Instructions: Direct your comments to Docket No. EPA-R06-OAR-2015-
0189. Our policy is that all comments received will be included in the 
public docket without change and may be made available online at 
www.regulations.gov, including any personal information provided, 
unless the comment includes information claimed to be Confidential 
Business Information (CBI) or other information whose disclosure is 
restricted by statute. Do not submit information that you consider to 
be CBI or otherwise protected through www.regulations.gov or email. The 
www.regulations.gov Web site is an ``anonymous access'' system, which 
means we will not know your identity or contact information unless you 
provide it in the body of your comment. If you send an email comment 
directly to us without going through www.regulations.gov your email 
address will be automatically captured and included as part of the 
comment that is placed in the public docket and made available on the 
Internet. If you submit an electronic comment, we recommend that you 
include your name and other contact information in the body of your 
comment and with any disk or CD-ROM you submit. If we cannot read your 
comment due to technical difficulties and cannot contact you for 
clarification, we may not be able to consider your comment. Electronic 
files should avoid the use of special characters, any form of 
encryption, and be free of any defects or viruses.
    Docket: The index to the docket for this action is available 
electronically at www.regulations.gov and in hard copy at EPA Region 6, 
1445 Ross Avenue, Suite 700, Dallas, Texas. While all documents in the 
docket are listed in the index, some information may be publicly 
available only at the hard copy location (e.g., copyrighted material), 
and some may not be publicly available at either location (e.g., CBI).

FOR FURTHER INFORMATION CONTACT: Dayana Medina, (214) 665-7241; 
medina.dayana@epa.gov. To inspect the hard copy materials, please 
schedule an appointment with Ms. Medina.

SUPPLEMENTARY INFORMATION: On April 8, 2015, we published in the 
Federal Register a proposal to establish a FIP for the State of 
Arkansas addressing regional haze and visibility transport (80 FR 
18944). The proposed FIP includes emission limits for sources. Comments 
on the proposed rule were required to be received by May 16, 2015. We 
are extending the comment period until July 15, 2015. This action will 
allow interested persons additional time to prepare and submit 
comments.
    We are also announcing the availability in the docket of 
supplemental modeling performed by EPA since the proposed rule for the 
Entergy Independence plant. Below is a summary of the supplemental 
modeling performed by EPA.

                Summary of Supplemental Regional Haze Modeling for the Entergy Independence Plant
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                                                                 Visibility improvement   Visibility improvement
                                                                     over baseline         of low NOX burners/
                                                                      (deciviews)         separated overfire air
                         Class I area                          -------------------------      over baseline
                                                                                               (deciviews)
                                                                      Dry flue gas      ------------------------
                                                                    desulfurization           Low NOX burner
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Caney Creek...................................................                    1.096                    0.459
Upper Buffalo.................................................                    1.178                    0.198
Hercules-Glades...............................................                    1.056                    0.173
Mingo.........................................................                    1.045                    0.148
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List of Subjects in 40 CFR Part 52

    Environmental protection, Air pollution control, Best available 
control technology, Incorporation by reference, Intergovernmental 
relations, Interstate transport of pollution, Nitrogen dioxide, Ozone, 
Particulate matter, Regional haze, Reporting and recordkeeping 
requirements, Sulfur dioxides, Visibility.

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

    Dated: April 23, 2015.
Wren Stenger,
Multimedia Planning and Permitting Division Director, Region 6.
[FR Doc. 2015-10241 Filed 4-30-15; 8:45 am]
BILLING CODE 6560-50-P
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