ML23044A252

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Memo and Enclosure 1 - 011023 Summary of TRISO-X Call on Observations and Fuel Fabrication
ML23044A252
Person / Time
Site: Triso-X
Issue date: 02/22/2023
From: Matt Bartlett
NRC/NMSS/DFM/FFLB
To: Soto S
NRC/NMSS/DFM/FFLB
Shared Package
ML23044A250 List:
References
Download: ML23044A252 (1)


Text

OFFICIAL USE ONLY - SENSITIVE INTERNAL INFORMATION AND OFFICIAL USE ONLY - SECURITY RELATED INFORMATION UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 February 22, 2023 MEMORANDUM TO: Soly Soto Lugo, Acting Chief Fuel Facility Licensing Branch Division of Fuel Management Office of Nuclear Materials Safety and Safeguards Signed by Bartl FROM: Matthew Bartlett, Senior Program Manager on 02/22/23 Fuel Facility Licensing Branch Division of Fuel Management Office of Nuclear Materials Safety and Safeguards

SUBJECT:

SUMMARY

OF MEETING HELD WITH TRISO-X LLC TO DISCUSS OBSERVATIONS AND THE FUEL FABRICATION PROCESS ON JANUARY 10, 2023 The U.S. Nuclear Regulatory Commission (NRC) hosted an observation meeting that was part open and part closed with TRISO-X, LLC (TRISO-X) on January 10, 2023. The meeting consisted of three sessions including a public session from 9:30-10:00 am, a closed session from 10:00-11:30 am, and a closed session from 1:00-5:00 pm. In the morning sessions, the NRC staff discussed with the TRISO-X staff a number of observations regarding the license application. These observations were provided to TRISO-X in advance via letter dated December 16, 2022 (Agencywide Documents Access and Management System [ADAMS]

Accession No. ML22348A013).

The afternoon session consisted of the TRISO-X staff providing an overview of their proposed fuel fabrication process. TRISO-X will receive high assay low enriched uranium enriched to less than 20% U-235 in the form of uranium oxide (U3O8) from a supplier that is still to be determined. They will process the uranium into triple-carbon coated microspheres. Multiple thousands of microspheres will be compressed into a fuel pebble or fuel compact. These fuel pebbles or compacts will be collected into approved containers prior to shipment to an advanced reactor. The presentation identified the major steps in the process and the systems important to safety. TRISO-X provided the slide presentation in advance of the meeting which was placed in non-public ADAMS due to proprietary and security related information (non-public, ML22336A218).

A document transmitted herewith CONTACT: Matt Bartlett, NMSS/DFM contains Sensitive Internal Information 301-415-7154 and Security-Related Information. When separated from Enclosure 2, this document and Enclosure 1 is decontrolled.

OFFICIAL USE ONLY - SENSITIVE INTERNAL INFORMATION AND OFFICIAL USE ONLY - SECURITY RELATED INFORMATION

OFFICIAL USE ONLY - SENSITIVE INTERNAL INFORMATION AND OFFICIAL USE ONLY - SECURITY RELATED INFORMATION A list of participants is provided as Enclosure 1. The non-public Enclosure 2 provides a further description of the meeting.

Enclosures:

1. Participants List (public)
2. Detailed Meeting Summary (non-public)

Additional Information:

Slides (ADAMS non-public - ML22336A218) cc: trisox@listmgr.nrc.gov 2

OFFICIAL USE ONLY - SENSITIVE INTERNAL INFORMATION AND OFFICIAL USE ONLY - SECURITY RELATED INFORMATION

OFFICIAL USE ONLY - SENSITIVE INTERNAL INFORMATION AND OFFICIAL USE ONLY - SECURITY RELATED INFORMATION MORNING SESSION PARTICIPANTS Name Organization Jennifer Wheeler TRISO-X Bob Maurer TRISO-X Suzanne Ani U.S Nuclear Regulatory Commission (NRC)

Alana Bell NRC Matt Bartlett NRC Mike Call NRC Jill Caverly NRC Nicole Cortes NRC Logan Crevelt NRC Amitava Ghosh NRC Eliezer Goldfeiz NRC James Hammelman NRC Shawn Harwell NRC Shana Helton NRC Patricia Jehle NRC Benjamin Karmiol NRC Ming Li NRC Juan Lopez NRC Kenneth Mott NRC Stephen Poy NRC David Rahn NRC Jonathan Rowley NRC Carrie Safford NRC Jeremy Smith NRC Soly Soto Lugo NRC Cynthia Taylor NRC Aaron Thomlinson NRC Michael Waters NRC 1 Enclosure 1 OFFICIAL USE ONLY - SENSITIVE INTERNAL INFORMATION AND OFFICIAL USE ONLY - SECURITY RELATED INFORMATION

OFFICIAL USE ONLY - SENSITIVE INTERNAL INFORMATION AND OFFICIAL USE ONLY - SECURITY RELATED INFORMATION AFTERNOON SESSION PARTICIPANTS NAME ORGANIZATION Jennifer Wheeler TRISO-X Bob Maurer TRISO-X William Allen NRC Chris Bajwa NRC Matt Bartlett NRC Alana Bell NRC Joseph Borowsky NRC Tom Boyce NRC Mike Call NRC Jesse Carlson NRC Jill Caverly NRC Jimmy Chang NRC Yen-Ju Chen NRC Lindsey Cooke NRC Logan Crevelt NRC Jonathan DeJesus NRC Nathan Denney NRC Azmi Djapari NRC James Downs NRC Darrell Dunn NRC Daniel Forsyth NRC Amitava Ghosh NRC Eliezer Goldfeiz NRC Jin-Ping Gwo NRC Donald Habib NRC Latif Hamdan NRC Tim Harris NRC Shana Helton NRC Loren Howe NRC Kellee Jamerson NRC Patrick James NRC Patricia Jehle NRC Rick Jervey NRC Benjamin Karmiol NRC Omar Khan-NMSS NRC Yong Kim NRC Matthew Learn NRC Ming Li NRC Haile Lindsay NRC Tilda Liu NRC Juan Lopez NRC Soly Soto Lugo NRC Damaris Marcano NRC 2

OFFICIAL USE ONLY - SENSITIVE INTERNAL INFORMATION AND OFFICIAL USE ONLY - SECURITY RELATED INFORMATION

OFFICIAL USE ONLY - SENSITIVE INTERNAL INFORMATION AND OFFICIAL USE ONLY - SECURITY RELATED INFORMATION AFTERNOON SESSION OF THE PARTICIPANTS LIST (continued)

Name Organization Chris Markley NRC Kamishan Martin NRC Tim McCartin NRC Fred Miller NRC John-Chau Nguyen NRC Michael Norris NRC Annette Parker-Haynes NRC Bharatkumar Patel NRC Jason Piotter NRC Anthony Ponko NRC Stephen Poy NRC David Pstrak NRC David Rahn NRC Alison Rivera NRC Luis Cruz Rosado NRC Miranda Ross NRC James Rubenstone NRC Carrie Safford NRC Alexander Sapountzis NRC Pierre Saverot NRC Jesse Seymour NRC Mirabelle Shoemaker (She/Her) NRC Jeremy Smith NRC Janine Smith NRC Alexis Sotomayor-Rivera NRC Kelly Sullivan NRC Cynthia Taylor NRC Aaron Thomlinson NRC Jennifer Tobin NRC Ian Tseng NRC Glenn Tuttle NRC Anthony Valiaveedu NRC Brian Wagner NRC Jon Woodfield NRC 3

OFFICIAL USE ONLY - SENSITIVE INTERNAL INFORMATION AND OFFICIAL USE ONLY - SECURITY RELATED INFORMATION

ML23044A250; Memo ML23044A252 OFFICE NMSS/DFM/FFLB NSIR/DPR NMSS/REFS NMSS/DFM/FFLB NAME MBartlett MB JGoodridge JG SSoto SS MBartlett MB DATE Feb 15, 2023 Feb 15, 2023 Feb 16, 2023 Feb 22, 2023