ML100880085: Difference between revisions

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==Dear Mr. Pacilio:==
==Dear Mr. Pacilio:==


By letter to the Nuclear Regulatory Commission (NRC) dated December 22, 2009 (Agencywide Documents Access and Management System (ADAMS) (non-public) Accession No.
By letter to the Nuclear Regulatory Commission (NRC) dated December 22, 2009 (Agencywide Documents Access and Management System (ADAMS) (non-public) Accession No. ML100050503), Exelon Generation Company, LLC (the licensee). submitted a request for NRC review and approval of revisions to the Emergency Plan (EP) Emergency Action Levels (EALs) for the subject plants. The proposed EP changes would incorporate EALs based on the NRC-endorsed methodology Nuclear Energy Institute (NEI) 99-01, Revision (Rev) 5, "Methodology for Development of Emergency Action Levels," dated February 22,2008 (ADAMS Accession No. ML080450149).
ML100050503), Exelon Generation Company, LLC (the licensee). submitted a request for NRC review and approval of revisions to the Emergency Plan (EP) Emergency Action Levels (EALs) for the subject plants. The proposed EP changes would incorporate EALs based on the NRC-endorsed methodology Nuclear Energy Institute (NEI) 99-01, Revision (Rev) 5, "Methodology for Development of Emergency Action Levels," dated February 22,2008 (ADAMS Accession No. ML080450149).
By memo dated July 8, 2010 (ADAMS Accession No. ML101890434), the NRC staff concluded that an entire revision from NEI 99-01, Rev. 4 to Rev. 5 is an EAL scheme change that requires prior NRC review and approval per Appendix E to 10 CFR 50. Specifically, EAL scheme changes require approval pursuant to 10 CFR Part 50, Appendix E, Section IV(B)( 1).
By memo dated July 8, 2010 (ADAMS Accession No. ML101890434), the NRC staff concluded that an entire revision from NEI 99-01, Rev. 4 to Rev. 5 is an EAL scheme change that requires prior NRC review and approval per Appendix E to 10 CFR 50. Specifically, EAL scheme changes require approval pursuant to 10 CFR Part 50, Appendix E, Section IV(B)( 1).
In accordance with the requirements of 10 CFR Part 50, Appendix E, Section IV(B)(1), the licensee requested NRC staff review and approval to adopt EALs based on NEt 99-01, Rev 5.
In accordance with the requirements of 10 CFR Part 50, Appendix E, Section IV(B)(1), the licensee requested NRC staff review and approval to adopt EALs based on NEt 99-01, Rev 5.

Latest revision as of 02:56, 12 March 2020

Fleet - Acceptance Review Implementation of Emergency Action Level Schemes Developed from NEI 99-01m Rev. 5
ML100880085
Person / Time
Site: Dresden, Peach Bottom, Oyster Creek, Byron, Three Mile Island, Braidwood, Limerick, Clinton, Quad Cities, LaSalle
Issue date: 07/21/2010
From: Nicholas Difrancesco
Plant Licensing Branch III
To: Pacilio M
Exelon Nuclear
DiFrancesco N, NRR/DORL/LPL3-2, 415-1115
References
TAC ME3028, TAC ME3029, TAC ME3030, TAC ME3031, TAC ME3032, TAC ME3033, TAC ME3034, TAC ME3035, TAC ME3036, TAC ME3038, TAC ME3039, TAC ME3040, TAC ME3041, TAC ME3042, TAC ME3043, TAC ME3044, TAC ME3037
Download: ML100880085 (3)
v • d • e


Text

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555*0001 July 21, 2010 Mr. Michael J. Pacilio President and Chief Nuclear Officer Exelon Nuclear 4300 Winfield Road Warrenville, IL 60555

SUBJECT:

BRAIDWOOD STATION, UNITS 1 AND 2; BYRON STATION, UNIT NOS. 1 AND 2; CLINTON POWER STATION, UNIT NO.1; DRESDEN NUCLEAR POWER STATION, UNITS 2 AND 3; LASALLE COUNTY STATION, UNITS 1 AND 2; LIMERICK GENERATING STATION, UNITS 1 AND 2; OYSTER CREEK NUCLEAR GENERATING STATION; PEACH BOTTOM ATOMIC POWER STATION, UNITS 2, AND 3; QUAD CITIES NUCLEAR POWER STATION, UNITS 1 AND 2; AND THREE MILE ISLAND NUCLEAR STATION, UNITS 1 AND 2 -ACCEPTANCE REVIEW RE: IMPLEMENTATION OF EMERGENCY ACTION LEVEL SCHEMES DEVELOPED FROM NEI 99-01, REVISION 5 (TAC NOS. ME3028, ME~029, ME3030, ME3031, ME3032, ME 3033, ME3034, ME3035, ME3036, ME3037, ME3038, ME3039, ME3040, ME3041, ME3041, ME3042, ME3043, AND ME3044)

Dear Mr. Pacilio:

By letter to the Nuclear Regulatory Commission (NRC) dated December 22, 2009 (Agencywide Documents Access and Management System (ADAMS) (non-public) Accession No. ML100050503), Exelon Generation Company, LLC (the licensee). submitted a request for NRC review and approval of revisions to the Emergency Plan (EP) Emergency Action Levels (EALs) for the subject plants. The proposed EP changes would incorporate EALs based on the NRC-endorsed methodology Nuclear Energy Institute (NEI) 99-01, Revision (Rev) 5, "Methodology for Development of Emergency Action Levels," dated February 22,2008 (ADAMS Accession No. ML080450149).

By memo dated July 8, 2010 (ADAMS Accession No. ML101890434), the NRC staff concluded that an entire revision from NEI 99-01, Rev. 4 to Rev. 5 is an EAL scheme change that requires prior NRC review and approval per Appendix E to 10 CFR 50. Specifically, EAL scheme changes require approval pursuant to 10 CFR Part 50, Appendix E, Section IV(B)( 1).

In accordance with the requirements of 10 CFR Part 50, Appendix E, Section IV(B)(1), the licensee requested NRC staff review and approval to adopt EALs based on NEt 99-01, Rev 5.

The existing EAL scheme for the subject facilities is the NEI 99-01, Rev 4 methodology.

The purpose of this letter is to provide the results of the NRC staff's acceptance review of the proposed changes to the EP EALs. The acceptance review was performed to determine if there is sufficient technical information in scope and depth to allow the NRC staff to complete its

M. Pacilio -2 detailed technical review. The acceptance review is also intended to identify whether the application has any readily apparent information insufficiencies in its characterization of the regulatory requirements or the licensing basis of the plant.

The NRC staff has reviewed your application, and concluded that it does provide technical information in sufficient detail to enable the staff to proceed with its detailed technical review, and make an independent assessment regarding the acceptability of the proposed changes in terms of regulatory requirements and the protection of public health and safety and the environment. If additional information is needed for the staff to complete its technical review, you will be advised by separate correspondence.

If you have any questions regarding this matter, I may be reached at(301} 415-1115 or via email at nicholas.difrancesco@nrc.gov.

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Nicholas J. DiFrancesco, Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. STN 50-456, 50-457, 50-454, 50-455, 50-461,50-237,50-249,50-373,50-374,50-352,50-353, 50-219, 50-277, 50-278, 50-254, 50-265, 50-289, and 50-320 cc: Distribution via Listserv

ML100880085 NRR-106 OFFICE LPL3-2/PM LPL3-2/LA NSIRIORLOB/BC CGratton for NAME NDiFrancesco THarris* JAnderson* HChemoff RCarison TE 07/21/10 07/14/10 07/13/10 07120/10 07121/10

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