ML14041A334

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Issuance of Environmental Scoping Summary Report Associated with the Staff'S Review of the Byron Nuclear Station, Units 1 and 2, License Renewal Application
ML14041A334
Person / Time
Site: Byron  Constellation icon.png
Issue date: 05/28/2014
From: Brian Wittick
Division of License Renewal
To: Gallagher M
Exelon Generation Co
References
TAC MF1790, TAC MF1791, TAC MF1834, TAC MF1835
Download: ML14041A334 (83)


Text

May 28, 2014 Mr. Michael P. Gallagher Vice President Nuclear Licensing Projects Exelon Generating Company, LLC 200 Exelon Way Kennett Square, PA 19348

SUBJECT:

ISSUANCE OF ENVIRONMENTAL SCOPING

SUMMARY

REPORT ASSOCIATED WITH THE STAFF'S REVIEW OF BYRON STATION, UNITS 1 AND 2, LICENSE RENEWAL APPLICATION

Dear Mr. Gallagher:

The U.S. Nuclear Regulatory Commission (NRC or the staff) conducted an environmental scoping process and solicited public comments from July 21 to September 27, 2013. This process determined the scope of the staff's environmental review of the application for renewal of the operating license for Byron Station (Byron), Units 1 and 2. The scoping process is the first step in the development of a supplement, specific to the Byron plant, to NUREG-1437, "Generic Environmental Impact Statement for License Renewal of Nuclear Plants" (GElS)

(Agencywide Documents Access and Management System (ADAMS) Accession Nos. ML13106A241, ML13106A242, and ML13106A244).

As part of the scoping process, the staff held two public environmental scoping meetings in Byron, IL, on August 20, 2013, to solicit public input regarding the scope of the review. The staff also received written comments by letter, e-mail, and through www.Regulations.gov. At the conclusion of the scoping process, the staff prepared the enclosed environmental scoping summary report identifying comments received during the scoping period. In accordance with Section 51.29(b) of Title 10 of the Code of Federal Regulations (10 CFR) the staff will send a copy of the scoping summary report to all participants in the scoping process.

The transcripts of the public scoping meetings are available for public inspection via the NRCs ADAMS from any personal or public computer, including the NRC Public Document Room (PDR), located at One White Flint North, 11555 Rockville Pike, Rockville, Maryland 20852. The ADAMS Public Electronic Reading Room is accessible at http://www.nrc.gov/reading-rm/adams.html. The transcripts for the afternoon and evening meetings are listed under ADAMS Accession Nos. ML13266A183 and ML13266A182, respectively. Persons who encounter problems in accessing documents in ADAMS should contact the NRC's PDR reference staff by telephone at 1-800-397-4209 or 301-415-4737 or by e-mail at pdr.resource@nrc.gov.

M. Gallagher If you have any questions concerning the staff's environmental review of this license renewal application, please contact the project manager, Ms. Lois James, by phone at 301-415-3306 or by e-mail at Lois.James@nrc.gov.

Sincerely,

/RA/

Brian D. Wittick, Chief Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation Docket Nos. 50-454 and 50-455

Enclosure:

As stated cc w/encl: Listserv

ML14041A334 OFFICE LA:DLR PM:RPB2:DLR OGC BC:RERB:DLR BC:RPB2:DLR NAME IKing LJames MYoung w/comment DWrona BWittick DATE 3/10/2014 3/12/2014 3/21/2014 3/24/2014 5/17/2014 OFFICE DD:DLR PM:RPB2:DLR NAME JLubinski LJames DATE 5/28/2014 5/28/2014

SUBJECT:

ISSUANCE OF ENVIRONMENTAL SCOPING

SUMMARY

REPORT ASSOCIATED WITH THE STAFF'S REVIEW OF BYRON STATION, UNITS 1 AND 2, LICENSE RENEWAL APPLICATION DISTRIBUTION:

HARD COPY:

DLR RF E-MAIL: ogle@gouker.net dwestin@rmu.net PUBLIC charlesmedrano@gmail.com RidsNrrDlr Resource prairiestatestrategies@gmail.com RidsNrrDlrRpb1 Resource Jarid.Funderburg@mail.house.gov RidsNrrDlrRpb2 Resource edstirling@jvlnet.com RidsNrrDlrRerb Resource rcolson@oglecounty.org RidsNrrDlrRarb Resource allenchristianson13@gmail.com RidsNrrDlrRasb Resource todd@byronforestpreserve.com NRR_DLR_RERB Distribution mharn@oglecounty.org Listserv sara.faller@exeloncorp.com


twolf@ilchamber.org byrontownship@yahoo.com lois.james@nrc.gov cmillard@es-il.org john.daily@nrc.gov lindsay.robinson@nrc.gov tam.tran@nrc.gov david.wrona@nrc.gov brian.wittick@nrc.gov mitzi.young@nrc.gov anita.ghosh@nrc.gov christine.england@nrc.gov stuart.sheldon@nrc.gov eric.duncan@nrc.gov scott.burnell@nrc.gov david.mcintyre@nrc.gov ivonne.couret@nrc.gov viktoria.mitlyng@nrc.gov prema.chandrathil@nrc.gov allan.barker@nrc.gov harral.logaras@nrc.gov john.robbins@nrc.gov james.mcghee@nrc.gov raymond.ng@nrc.gov billy.dickson@nrc.gov joel.wiebe@nrc.gov michael.mahoney@nrc.gov Nancy.ranek@exeloncorp.com Robert.tarr@exeloncorp.com

Environmental Impact Statement Scoping Process Summary Report Byron Station, Units 1 and 2 Byron, IL January 2014 U.S. Nuclear Regulatory Commission Rockville, Maryland ENCLOSURE

1 Introduction The U.S. Nuclear Regulatory Commission (NRC) received an application from Exelon Generating Company, LLC (Exelon), dated May 29, 2013, for renewal of the operating license for Byron Station (Byron), Units 1 and 2. Byron is located in Byron, Illinois. The purpose of this report is to provide a concise summary of the determinations and conclusions reached, including the significant issues identified, as a result of the scoping process in the NRCs environmental review of this license renewal application.

As part of the application, Exelon submitted an Environmental Report (ER) (Exelon 2013) prepared in accordance with Title 10 of the Code of Federal Regulations (CFR) Part 51, Environmental protection regulations for domestic licensing and related regulatory functions, which contains the NRC requirements for implementing the National Environmental Policy Act of 1969 (42 U.S.C. 4321 et seq., herein referred to as NEPA). The requirements for preparation and submittal of ERs to the NRC are outlined in 10 CFR 51.53(c)(3).

The requirements in section 51.53(c)(3) were based upon the findings documented in NUREG-1437, Generic Environmental Impact Statement for License Renewal of Nuclear Plants (GEIS) (NRC 1996, 1999, 2013a). In the GEIS, the staff identified and evaluated the environmental impacts associated with license renewal. After issuing a draft version of the GEIS, the staff received and considered input from Federal and state agencies, public organizations, and private citizens before developing the final document. As a result of the assessments in the GEIS, a number of impacts were determined to be generic to all nuclear power plants (or, in some cases, to plants having specific characteristics such as a particular type of cooling system). These generic issues were designated as Category 1 impacts.

An applicant for license renewal may adopt the conclusions contained in the GEIS for Category 1 impacts unless there is new and significant information that may cause the conclusions to differ from those of the GEIS. Other impacts that require a site-specific review were designated as Category 2 impacts and are required to be evaluated in the applicants ER.

On July 31, 2013, the NRC initiated the scoping process for Byron by issuing a Federal Register notice (78 FR 47800). This Federal Register notice notified the public of the staffs intent to prepare a plant-specific supplement to the GEIS regarding the application for renewal of the Byron operating licenses. The plant-specific supplement to the GEIS is also referred to as the supplemental environmental impact statement (SEIS). The SEIS will be prepared in accordance with 10 CFR Part 51.

The scoping process provides an opportunity for public participation to identify issues to be addressed in the SEIS and to highlight public concerns and issues. The notice of intent (NRC 2013e) identified the following objectives of the scoping process:

  • Define the proposed action;
  • Determine the scope of the SEIS and identify significant issues to be analyzed in depth;
  • Identify and eliminate peripheral issues; 1
  • Identify any environmental assessments and other environmental impact statements being prepared that are related to the SEIS;
  • Identify other environmental review and consultation requirements;
  • Indicate the schedule for preparation of the SEIS;
  • Identify any cooperating agencies; and
  • Describe how the SEIS will be prepared.

The NRCs proposed action is deciding whether to renew the Byron operating license for an additional 20 years.

The scope of the SEIS includes an evaluation of the environmental impacts of renewing the licenses of Byron Units 1 and 2 and of the reasonable alternatives to license renewal. The Scoping Comments and Responses section of this report includes specific issues identified by the comments. The subsequent NRC responses explain whether the issues will be addressed in the SEIS and, if so, where in the report they will likely be addressed.

Throughout the scoping process, the NRC staff identified and eliminated peripheral issues. This report provides responses to comments that were determined to be out of the scope of this review. Those that were significant or have not been covered by another environmental review will be evaluated in detail and documented in the appropriate sections of the SEIS for Byrons license renewal.

In parallel with its NEPA review, the NRC staff is conducting section 7 consultation under the Endangered Species Act of 1973 (ESA) to ensure the protection of listed species and designated critical habitat that may be affected by the proposed license renewal. The regulations that implement section 7 (50 CFR 402, Interagency cooperationEndangered Species Act of 1973, as amended) describe the consultation procedures that Federal agencies must follow in order to fully comply with the act. Depending on the project, the NRC may need to consult with the U.S. Fish and Wildlife Service (FWS), the National Marine Fisheries Service (NMFS), or both. In the case of Byron, no species under NMFSs jurisdiction occur within the action area; therefore, the NRC staff is only consulting with the FWS.

In accordance with 36 CFR 800.8, Coordination with the National Environmental Policy Act, the NRC will coordinate compliance with Section 106 of the National Historic Preservation Act (NHPA) through the requirements of NEPA. NRC staff has initiated consultation with the Advisory Council on Historic Preservation, the Illinois State Historic Preservation Office, and tribes with historic ties to the area surrounding the Byron site.

The NRC staff expects to publish the draft SEIS in October 2014. The SEIS will be prepared by NRC staff with contract support from Argonne National Laboratory and BLH Technologies, Inc.

The NRC invited the applicant; Federal, state, and local government agencies; Indian tribal governments; local organizations; and individuals to participate in the scoping process by providing oral comments at the scheduled public meetings or by submitting written comments before the end of the scoping comment period on September 27, 2013. The scoping process included two public meetings which were held on August 20, 2013, at the Byron Forest Preserve District, 7993 North River Road, Byron, IL. The NRC issued press releases, purchased 2

newspaper advertisements, and distributed flyers locally to advertise these meetings.

Approximately 60 people attended the meetings. Each session began with NRC staff members providing a brief overview of the license renewal process and the NEPA environmental review process. Following the NRCs prepared statements, the floor was opened for public comments.

Approximately 30 attendees provided oral comments that were recorded and transcribed by a certified court reporter. The NRC issued a summary of the scoping meetings on October 4, 2013 (NRC 2013d).

All documents associated with this scoping process are available for public inspection in the NRC Public Document Room (PDR), located at One White Flint North, 11555 Rockville Pike, Rockville, Maryland 20852, or from the NRCs Agencywide Documents Access and Management System (ADAMS). The ADAMS Public Electronic Reading Room is accessible at http://www.nrc.gov/reading-rm/adams.html. Persons who encounter problems in accessing documents in ADAMS should contact the NRCs PDR Reference staff by telephone at 1-800-397-4209 or 301-415- 4737 or by e-mail at pdr.resource@nrc.gov. In addition to the comments received at the meetings, the NRC also received two letters with comments about the review. The ADAMS accession number for each document is listed below in Table 1.

At the conclusion of the scoping period, the staff reviewed the transcripts (NRC 2013b, 2013c),

meeting notes, and all written material received in order to identify individual comments. Each comment was marked with a unique identifier including the Commenter ID (specified in Table 1) and a comment number, allowing each comment to be traced back to the transcript, letter, or e-mail in which the comment was submitted. Comments were consolidated and categorized according to the topic within the proposed SEIS or according to the general topic if outside the scope of the GEIS. Once comments were grouped according to subject area, the staff determined the appropriate action for the comment. The action or resolution for each comment is described in the staffs responses in this report.

1.1 Scoping Participants Table 1 identifies the individuals providing comments and the assigned Commenter ID. For oral comments, the individuals are listed in the order in which they spoke at the public meeting.

Accession numbers identify the source document of the comment in ADAMS.

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Table 1. Individuals Providing Comments During the Scoping Comment Period Commenter ADAMS Affiliation Comment Commenter (as listed on the Accession (If Stated) Source ID sign in sheet) Number Afternoon City of Byron, Chris Millard Scoping 001 ML13269A006 Mayor Meeting Afternoon Scoping 002 Representative for Meeting Congressman Jared Funderburg ML13269A006 Kinzinger, Illinois, Evening 16th District Scoping 013 Meeting Afternoon Scoping 003 Meeting Russ Kearney Byron Site VP ML13269A006 Evening Scoping 015 Meeting Afternoon Scoping 004 Exelon Vice Meeting Mike Gallagher President of ML13269A006 License Renewal Evening Scoping 016 Meeting Afternoon Ron Gibson Byron Township Scoping 005 ML13269A006 Meeting Afternoon Illinois Chamber of Tom Wolf Scoping 006 ML13269A006 Commerce Meeting Afternoon Sarah Fuller Byron employee Scoping 007 ML13269A006 Meeting Afternoon Sheriff of Ogle Michael Harn Scoping 008 ML13269A006 County Meeting 4

Commenter ADAMS Affiliation Comment Commenter (as listed on the Accession (If Stated) Source ID sign in sheet) Number Afternoon Scoping 009 Meeting Illinois Clean Doug O'Brien ML13269A006 Energy Coalition Evening Scoping 017 Meeting Executive Director Afternoon Todd Tucker of the Byron Forest Scoping 010 ML13269A006 Preserve Meeting Afternoon Allen Christianson Exelon Scoping 011 ML13269A006 Meeting Director of United Afternoon Jenny Beckman Way of Ogle Scoping 012 ML13269A006 County Meeting Evening State Tom Demmer Scoping 014 ML13269A006 Representative Meeting Evening Blackhawk Hills Ron Colson Scoping 018 ML13269A006 Regional Council Meeting Evening Charles Medrano Byron employee Scoping 019 ML13269A006 Meeting Evening Dan Westin Rochelle Utilities Scoping 020 ML13269A006 Meeting Evening Ronald Bolin Exelon Scoping 021 ML13269A006 Meeting Evening Scoping 022 ML13269A006 Kim Gouker Ogle County Board Meeting Letter 026 ML13263A221 5

Commenter ADAMS Affiliation Comment Commenter (as listed on the Accession (If Stated) Source ID sign in sheet) Number Byron Chamber Evening Brent Baker and Employee of Scoping 023 ML13269A006 the Byron Bank Meeting Vice President with Evening Bruce Drawbridge CB&I, Chicago Scoping 024 ML13269A006 Bridge and Iron Meeting Evening Nuclear Energy Scoping 025 ML13269A006 David Kraft Information Meeting Service Letter 027 ML13277A306 1.2 Scoping Comments The comments and suggestions received as part of the scoping process are documented in this section and the disposition of each comment is discussed. The entire transcripts of the public scoping meetings are available for public inspection in the NRC Public Document Room (PDR),

located at One White Flint North, 11555 Rockville Pike, Rockville, Maryland 20852, or through ADAMS. The transcripts for the afternoon and evening meetings are listed under ADAMS accession numbers ML13266A183 and ML13266A182, respectively.

Comments have been grouped into the following general categories:

1. General Comments in support of Exelon, nuclear power, and license renewal for Byron (SR);
2. Meteorology, Air Quality, and Noise (ME);
3. Alternatives to License Renewal of Byron (AL);
4. Socioeconomic Impact of Byron (SO); and
5. Other comments Outside the Scope of NRCs environmental review (OS).

In those cases in which no new environmental information was provided by the commenter, only a brief response has been provided to the comment and no further evaluation will be performed.

The preparation of the SEIS will take into account all of the relevant issues raised during the scoping process. The SEIS will address both Category 1 and 2 issues, along with any new information identified as a result of the scoping process. The SEIS will rely on conclusions supported by information in the GEIS for Category 1 issues and will include analysis of Category 2 issues and any new and significant information (NRC 1996, 1999, 2013a). The 6

NRC will issue a draft SEIS for public comment. The comment period will offer the next opportunity for the applicant, interested Federal, state, and local government agencies, Indian tribal governments, local organizations, and other members of the public to provide input to the NRCs environmental review process. The comments received on the draft SEIS will be considered in the preparation of the final SEIS. The final SEIS, along with the staffs safety evaluation report (SER), will provide much of the basis for the NRCs decision on the Exelon application to renew the license of Byron.

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2 Byron Nuclear Station, Units 1 and 2 Scoping Comments and Responses 2.1 General Comments in support of Exelon Generating Company, LLC (Exelon),

nuclear power, and license renewal for Byron Nuclear Station, Units 1 and 2 (Byron) (SR)

Comment: The following comments have been categorized under the area of support for license renewal. The following comments are general in nature and express support for nuclear power or the license renewal of Byron.

Identifiers: 001-01 SR, 002-01 SR, 003-01 SR, 004-1 SR, 005-1 SR, 006-1 SR, 007-1 SR, 008-1 SR, 009-1 SR, 010-1 SR, 011-1 SR, 012-1 SR, 013-1 SR, 014-1 SR, 015-1 SR, 016-1 SR, 017-1 SR, 018-1 SR, 019-1 SR, 020-1 SR, 021-1 SR, 022-1 SR, 023-1 SR, 024-1 SR, and 026-1 SR Response: These comments are general in nature and express support for Exelon, nuclear power, or license renewal of Byron. The comments provide no new and significant information and will not be evaluated further in the development of the draft SEIS.

2.2 Meteorology, Air Quality, and Noise (ME)

Comment: The following comment has been categorized under the resource area of Meteorology, Air Quality, and Noise. The comment expresses concern that the ER did not provide evidence that the applicant examined the projected effects of predicted Illinois climate disruption on future operations.

Identifier: 027-2 ME Response: This comment expresses concern over climate change projections and the adequacy of the analysis of future water use by Byron plant as presented in Exelons ER.

NRCs analysis of surface water resources at Byron, including the Rock River, and the effects of plant operations on surface water hydrology will be presented in the meterological, air quality, and noise sections of Chapters 3 and 4, respectively, of this draft SEIS. Specifically, these sections discuss the volumes of water used and projected to be used during the license renewal term, including the regulatory requirements that govern the plants water uses. In addition, Chapter 4 of the draft SEIS will contain the NRC staffs analysis of climate change and its implications for impacts on plant operations.

2.3 Socioeconomic Impact of Byron (SO)

Comment: The following comment has been categorized under the resource area of Socioeconomic Impact of Byron. The comment expresses concern that the ER only addresses the positive impacts of the significant tax impact; it does not mention or analyze negative impacts resulting from the abrupt, planned, or unexpected early closure of Byron.

Identifier: 027-3 SO 8

Response: With the exception of an unexpected major accident and NRC-ordered shutdown for safety reasons, the possible events leading to the closure of Byron identified in this comment involve energy planning decisions that would be made by Exelon and state officials. The NRC has no role in these energy planning decisions. Also, the closure of Byron could occur at any time, including upon the expiration of either the current or renewed operating license.

Information about Exelons tax payments will be described in the socioeconomic section in Chapter 3 in the draft SEIS, and the socioeconomic impacts of station closure and the termination of reactor operations caused by the expiration of the Byron operating license will be described as part of the no action alternative in the socioeconomic impacts of license renewal section in Chapter 4 in the draft SEIS. The impacts of closing and decommissioning a nuclear power plant are also described in the Generic Environmental Impact Statement on Decommissioning of Nuclear Facilities: Regarding the Decommissioning of Nuclear Power Reactors (NUREG-0586) (NRC 2002). The environmental consequences of decommissioning Byron itself would be addressed in a separate environmental NEPA review.

In regards to what is to be discussed in the ER, 10 CFR 51.45(c) states Environmental reports prepared at the license renewal stage under § 51.53(c) need not discuss the economic or technical benefits and costs of either the proposed action or alternatives except if these benefits and costs are either essential for a determination regarding the inclusion of an alternative in the range of alternatives considered or relevant to mitigation. In addition, environmental reports prepared under § 51.53(c) need not discuss issues not related to the environmental effects of the proposed action [license renewal] and its alternatives.

2.4 Alternatives to License Renewal of Byron (AL)

Comment: The following comment has been categorized under the resource area of Alternatives to License Renewal of Byron. The comment expresses concern that the ER does not incorporate better data on the capabilities of wind and solar, based on expected improvements in technology, or better and more optimal use decisions.

Identifier: 027-5 AL Response: The staffs evaluation of reasonable alternatives, including the no-action alternative, will be in Chapter 4 of the draft SEIS. In this chapter, the NRC staff will examine the potential environmental impacts of alternatives to license renewal for Byron, as well as alternatives that may reduce or avoid adverse environmental impacts from license renewal, when and where these alternatives are applicable.

In evaluating alternatives to license renewal, the NRC staff first selects energy technologies or options currently in commercial operation, as well as some technologies not currently in commercial operation but likely to be commercially available by the time the current Byron operating licenses expire in 2024 and 2026.

Second, the NRC staff screens the alternatives to remove those that cannot meet future system needs. Then, the remaining options are screened to remove those alternatives whose costs or benefits do not justify inclusion in the range of reasonable alternatives. Any alternatives remaining, then, constitute alternatives to the proposed action that the NRC staff evaluates in depth throughout Chapter 4.

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2.5 Out of Scope (OS)

Comment: The following comments were determined to be Outside of the Scope of the environmental review. The comments express concern that NRC has been admonishing utilities in Region III on their lack of safety culture.

Identifier: 025-1 OS, 025-2 OS, 027-1 OS, 027-4 OS, and 027-06 OS Response: These comments discuss issues related to the (1) overall safety culture of the plants within NRC Region III, (2) what is included in the environmental review, (3) use of distributed generation and decline of the baseload power business model, and (4) how expected upgrades, improvements and additions of grid and dispatching systems are included in the environmental review.

(1) Overall safety culture of the plants within NRC Region III The NRC assesses plant performance continuously, including safety culture, and communicates its assessment of plant performance in letters to the licensees. These assessment letters are available on a plant performance page for each plant, and are posted on the web site as they become available.

The NRC assessment reports for Byron can be accessed at http://www.nrc.gov/NRR/OVERSIGHT/ASSESS/BYRO1/byro1_chart.html and http://www.nrc.gov/NRR/OVERSIGHT/ASSESS/BYRO2/byro2_chart.html.

Therefore, these comments are not within the scope of the environmental review and will not be evaluated further in the development of the draft SEIS.

(2) What is included in the environmental review The NRCs environmental review is confined to environmental matters relevant to the extended period of operation requested by the applicant. The regulations governing the environmental review are contained in 10 CFR Part 51, and the regulations for the safety review are contained in 10 CFR Part 54, Requirements for renewal of operating licenses for nuclear power plants. Because the two reviews are separate, operational safety issues and safety issues related to aging are outside the scope of the environmental review.

The principal safety concerns associated with license renewal are related to the aging of structures, systems, and components important to the continued safe operation of the facility. When the plants were designed, certain assumptions were made about the length of time each plant would be operated. During the safety review for license renewal, the NRC must determine whether aging effects will be adequately managed so that the original design assumptions will continue to be valid throughout the period of extended operation, or verify that any aging effects will be adequately managed. For all aspects of operation, existing regulatory requirements governing a plant offer reasonable assurance of adequate protection if its license were renewed.

Therefore, this comment is not within the scope of the environmental review and will not be evaluated further in the development of the draft SEIS.

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(3) Use of distributed generation and decline of the baseload power business model The NRCs environmental review is confined to environmental matters relevant to the extended period of operation requested by the applicant. The regulations governing the environmental review are contained in 10 CFR Part 51, Environmental protection regulations for domestic licensing and related regulatory functions. The type of business model Exelon chooses to operate under is not relevant to the environmental review.

Therefore, this comment is not within the scope of the environmental review and will not be evaluated further in the development of the draft SEIS.

(4) How expected upgrades, improvements and additions of grid and dispatching systems are included in the environmental review The 2013 GEIS, at pages 3-3 and 3-4, states that only those transmission lines that connect the plant to the switchyard where electricity is fed into the regional power distribution system (encompassing those lines that connect the plant to the first substation of the regional electric power grid) and power lines that feed the plant from the grid during outages are considered within the regulatory scope of license renewal environmental review.

Expected upgrades, improvements and additions of grid and dispatching systems in the interconnection areas are outside the scope of this review.

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3 References 10 CFR 50. Code of Federal Regulations, Title 10, Energy, Part 50, Domestic licensing of production and utilization facilities.

10 CFR 51. Code of Federal Regulations, Title 10, Energy, Part 51, Environmental protection regulations for domestic licensing and related regulatory functions.

10 CFR 54. Code of Federal Regulations, Title 10, Energy, Part 54, Requirements for renewal of operating licenses for nuclear power plants.

36 CFR 800.8. U.S. Code of Federal Regulations, Coordination with the National Environmental Policy Act, Part 800.8, Title 36, Parks, Forests, and Public Property.

50 CFR 402. U.S. Code of Federal Regulations, Interagency CooperationEndangered Species Act of 1973, Part 402, Subchapter A, Title 50, Wildlife and Fisheries.

78 FR 47800. U.S. Nuclear Regulatory Commission, Notice of intent to prepare an environmental impact statement and conduct scoping process for License Renewal Application for Byron Station, Units 1 and 2; Exelon Generation Company, LLC, Federal Register, Volume 78, No. 151, August 6, 2013, pp. 47800-47802

[Exelon] Exelon Generation Company, LLC. 2013. Applicants Environmental Report -

Operating License Renewal Stage, Byron Station. Kennett Square, PA: Exelon. May 2013.

707 p. ADAMS No. ML14022A048.

National Environmental Policy Act of 1969, as amended (NEPA). 42 U.S.C. §4321 et seq.

[NRC] U.S. Nuclear Regulatory Commission. 1996. Generic Environmental Impact Statement for License Renewal of Nuclear Plants. Washington, DC: NRC. NUREG-1437, Volumes 1 and

2. May 1996. 1,204 p. ADAMS Nos. ML040690705 and ML040690738.

[NRC] U.S. Nuclear Regulatory Commission. 1999. Section 6.3Transportation, Table 9.1, Summary of findings on NEPA issues for license renewal of nuclear power plants. In: Generic Environmental Impact Statement for License Renewal of Nuclear Plant. Washington, DC: NRC.

NUREG-1437, Volume 1, Addendum 1. August 1999. 100 p. ADAMS No. ML040690720.

[NRC] U.S. Nuclear Regulatory Commission. 2002. Generic Environmental Impact Statement on Decommissioning of Nuclear Facilities, Supplement 1: Regarding the Decommissioning of Nuclear Power Reactors, Appendices N, O and P, Final Report. Washington, DC: NRC.

NUREG-0586, Volume 2. November 2002. 548 p. ADAMS No. ML023500228.

[NRC] U.S. Nuclear Regulatory Commission. 2013a. Generic Environmental Impact Statement for License Renewal of Nuclear Plants. Revision 1. Washington, DC: NRC. NUREG-1437, Volumes 1, 2, and 3. June 2013. 1,535 p. ADAMS Nos. ML13106A241, ML13106A242, and ML13106A244.

[NRC] U.S. Nuclear Regulatory Commission. 2013b. Public Meeting RE License Renewal:

Byron Nuclear Station, Afternoon Session. Washington, DC: NRC. August 20, 2013. 50 p.

ADAMS No. ML13266A183.

[NRC] U.S. Nuclear Regulatory Commission. 2013c. Public Meeting RE License Renewal:

Byron Nuclear Station, Evening Session. Washington, DC: NRC. August 20, 2013. 54 p.

ADAMS No. ML13266A182.

[NRC] U.S. Nuclear Regulatory Commission. 2013d. Summary of Public Scoping Meetings Conducted Related to the Review of the Byron Nuclear Station, License Renewal 12

Application (TAC NOS. MF1790 AND MF1791). Washington, DC: NRC. October 4, 2013.

ADAMS No. ML13269A006.

[NRC] U.S. Nuclear Regulatory Commission. 2013e. Notice of Intent to Conduct Scoping Meetings and Prepare an EIS for the Byron Station License Renewal Application.

Washington, DC: NRC. July 31, 2013. ADAMS No. ML13184A095.

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4 Comment Letters and Meeting Transcripts The following pages contain the comments, identified by commenter designation and comment number, from letters, emails, and the transcripts of the public scoping meetings.

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