ML22082A234

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Summary of January 13, 2022, Pre-Application Public Meeting with Terrapower, LLC to Discuss the Source Term Methodology Plans for the Natrium Reactor
ML22082A234
Person / Time
Site: 99902100
Issue date: 04/11/2022
From: Mallecia Sutton
NRC/NRR/DANU/UARL
To: William Kennedy
NRC/NRR/DANU/UARL
Wagner K
References
doc log # 5010, EPID L-2021-LRM-0071
Download: ML22082A234 (5)


Text

W. Kennedy MEMORANDUM TO:

William B. Kennedy, Acting Chief Advanced Reactor Licensing Branch 1 Division of Advanced Reactors and Non-Power Production and Utilization Facilities Office of Nuclear Reactor Regulation FROM:

Mallecia A. Sutton, Senior Project Manager Advanced Reactor Licensing Branch 1 Division of Advanced Reactors and Non-Power Production and Utilization Facilities Office of Nuclear Reactor Regulation

SUBJECT:

SUMMARY

OF JANUARY 13, 2022, PRE-APPLICATION PUBLIC MEETING WITH TERRAPOWER, LLC TO DISCUSS THE SOURCE TERM METHODOLOGY PLANS FOR THE NATRIUM REACTOR (EPID NO. L-2021-LRM-0071)

On January 13, 2022, the U.S. Nuclear Regulatory Commission (NRC) staff held an observation public meeting with TerraPower, LLC (TerraPower) to provide the NRC staff with an overview of the radionuclide transport methodology upon release from the fuel of the Natrium Reactor. The public meeting notice, dated December 15, 2021, can be found in the NRCs Agencywide Documents Access and Management System (ADAMS) at Accession No. ML22012A276. The presentation slides can be found in ADAMS at Accession No. ML22011A072. Participants included personnel from the NRC staff, TerraPower, General Electric Hitachi, Bechtel, PacifiCorp, Duke Energy, and members of the public. The enclosure to this memorandum provides the list of meeting attendees.

The NRC staff began the public meeting with an introduction and explanation of logistical information. The NRC staff explained that the meeting was an observation meeting and that TerraPower representatives would provide the NRC staff with an overview of the radionuclide transport methodology upon release from the fuel for the Natrium Reactor. The NRC staff also explained that a portion of the meeting would be closed to the public. During the public portion of the meeting, TerraPower provided an overview of the Natrium Reactor design, the U.S.

Department of Energy Advanced Reactor Demonstration Program, the source term development process, Natrium Design and source terms, and development of Natrium source term methods. The Natrium Design and source terms portion of the presentation discussed the Natrium Design safety features, radionuclide retention properties, sodium pool scrubbing phenomena, and aerosol dynamics. At the end of the presentation, the public had an opportunity to ask questions of the NRC staff.

CONTACT: Mallecia Sutton, NRR/DANU 301-415-0673 April 11, 2022 Signed by Sutton, Mallecia on 04/11/22

W. Kennedy During the closed portion of the meeting, TerraPower representatives and the NRC staff continued to discuss, in more detail, the source term development process and development of Natrium source term methods, and the next steps for future interactions regarding the Natrium Reactor design.

Project No. 99902100

Enclosure:

As stated

ML22082A234 NRR-106 OFFICE NRR/DANU/UAL1/PM NRR/DANU/UAL1/PM NRR/DANU/UAL1/LA NAME KWagner MSutton DGreene DATE 03/30/2022 03/30/2022 03/31/2022 OFFICE NRR/DANU/UAL1/BC(A)

NRR/DANU/UAL1/PM NAME WKennedy MSutton DATE 04/6/2022 04/11/2022

Enclosure List of Attendees Public Meeting with TerraPower, LLC to Discuss the Source Term Methodology Plans for the Natrium Reactor Thursday, January 13, 2022 1:00 p.m. - 3:00 p.m.

Name Organization Mallecia Sutton U.S. Nuclear Regulatory Commission (NRC)

William Kennedy NRC Candace De Messieres NRC Katherine Wagner NRC Alexander Chereskin NRC Michelle Hart NRC Alex Siwy NRC Trey Hathaway NRC Michael Spencer NRC Ryan Sprengel TerraPower, LLC (TerraPower)

Ian Gifford TerraPower Bryan Eyers TerraPower Mike Montecalvo TerraPower Jong Chang TerraPower Matthew Mareka TerraPower Brian Johnson TerraPower Mark Werner TerraPower JH Choi TerraPower Moonkyu Hwang TerraPower Hongbin Zhang TerraPower Christopher Forrest TerraPower Benoit Dionne TerraPower Eric Williams TerraPower John Biersdorf TerraPower Lisa Schichlein General Electric Hitachi Alice Carson Bechtel Steven Kline Bechtel Chuck Tack PacifiCorp Lee Grzeck Duke Energy Alex Markivich Public Citizen Bill Kohlroser Public Citizen Brian Mount Public Citizen Ryan Lighty Public Citizen Name Organization Christopher Salz Public Citizen Chet Sigmon Public Citizen Sola Talabi Public Citizen Steve Vaughn Public Citizen Steven Pope Public Citizen Edith Williams Public Citizen Michael Wilt Public Citizen Jana Bergman Public Citizen Brandon Hartle Public Citizen Charlotte Geiger Public Citizen Christopher Courtenay Public Citizen Nick Emme Public Citizen Ingrid Nordby Public Citizen John Pfabe Public Citizen Keeshia Goodenough Public Citizen Michelle Byman Public Citizen Nicole Schlichting Public Citizen Raymond Wang Public Citizen