ML19106A162

Louisiana Energy Services, LLC Supplemental Response to LAR 18-04 RAI Addition of MCNP6

ML19106A162
Person / Time
Site:	07003103
Issue date:	04/11/2019
From:	Cowne S Louisiana Energy Services, URENCO USA
To:	Document Control Desk, Office of Nuclear Material Safety and Safeguards, Office of Nuclear Security and Incident Response
References
LES-19-065-NRC
Download: ML19106A162 (3)

Text

APR 1 1 2019 LES-19-065-NRC ATTN: Document Control Desk Office of Nuclear Security and Incident Response U.S Nuclear Regulatory Commission Washington, D.C. 20555-0001

Reference:

Louisiana Energy Services, LLC NRC Docket Number: 70-3103 Supplemental Response to LAR 18-04 RAI Addition of MCNP6

1) LES-18-089-NRC, LAR 18-04 Addition of MCNP6 for Nuclear Criticality Safety Analysis ([ADAMS] Accession Number ML18262A215)

2) IN-19-005-NRC, Request for Additional Information~ License Amendment Request 18-04 Addition of MCNP6 for Nuclear Criticality Safety Analysis (Enterprise Project Identifier: L-2018-LLA-0270) ([ADAMS] Accession Number ML18353A957)

3) LES-19-014-NRC, Response to LAR 18-04 RAI Addition of MCNP6

([ADAMS] Accession Number ML19042A129)

In Reference 1, Louisiana Energy Services (LES), dba URENCO USA (UUSA), proposed a License Amendment Request (LAR) to implement MCNP6 as an additional computer code for criticality applications at UUSA. In Reference 2, the U.S. Nuclear Regulatory Commission (NRC) responded with a request for additional information (RAI). Reference 3 provided response to NRC questions and changes made as a result of the Reference 2 RAI.

Pursuant to verbal discussions with NRC staff, UUSA herewith provides supplemental response to the Reference 2 RAI. Enclosure 1 contains the UUSA Safety Analysis Report Markup Pages. Portions of Enclosure 1 have been highlighted to denote the supplemental changes. Enclosure 2 contains the URENCO USA (UUSA) MCNP6 Validation. Revision bars identify supplemental changes in Enclosure 2.

Enclosures 1 and 2 are intended to replace the UUSA Safety Analysis Report and URENCO USA (UUSA) MCNP6 Validation previously submitted to the NRC in References 1 & 2.

UUSA considers the information provided in Enclosures 1 & 2 proprietary and requests that the information be withheld from public disclosure in accordance with 10 CFR 2.390(a)(4). affidavit supports this withholding request.

Should there be any questions concerning this submittal, please contact Rick Medina, Acting Licensing and Performance Assessment Manager, at 575.394.5846.

Respectfully,

. Chief Nuclear Officer and Compliance Manager

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LES,PO Box 1789, Eunice, New Mexico 88231,USA T: +1575394 4646 F: +1575394 4545 W: www.urenco.com/LES

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LES-19-065-NRC

Enclosures:

1) UUSA Safety Analysis Report Markup Pages

2) URENCO USA (UUSA) MCNP6 Validation, NCS-REP-002-01

3) Affidavit CC:

Karl Sturzebecher, Project Manager - UUSA U.S. Nuclear Regulatory Commission Karl.Sturzebecher@NRC.gov Jacob Zimmerman, Enrichment & Conversion Branch Chief U.S. Nuclear Regulatory Commission Office of Nuclear Material Safety and Safeguards Jacob.Zimmerman@NRC.gov Brannen Adkins Chief - Region II Projects Branch I Acting U.S. Nuclear Regulatory Commission Brannen.Adkins@NRC.gov

LES-19-065-NRC ENCLOSURE 3 Affidavit I, Stephen Cowne, being duly sworn, state that I am the Chief Nuclear Officer and Compliance Manager for Louisiana Energy Services (LES), dba URENCO USA (UUSA); that I am authorized on the part of said company to sign and file with the Nuclear Regulatory Commission ("NRC") this document; and that all statements made and matters set forth herein are true and correct to the best of my knowledge, information, and belief:

1. UUSA wishes to ha_ve withheld from public disclosure the following document:

• : UUSA Safety Analysis Report Markup Pages

• : URENCO USA (UUSA) MCNP6 Validation, NCS-REP-002-01

2. The information contained in the documents cited in 1 above for which exemption from public disclosure is requested concern classified matter protection. UUSA requests that this information be exempt from disclosure pursuant to the provisions in 10 CFR Part 2.390(a)(4).

3. The information sought to be withheld is not available in public sources, to the best of UUSA' knowledge and belief.

4. The information stated in this affidavit has been submitted in accordance with the applicable parts of 10 CFR 2.390 and the guidance contained in NUREG-1556, Vol. 20, Appendix C.4.

~f/ Dat7/uht)/'J Chief Nuclear Officer and Compliance Manager Louisiana Energy Services, LLC I certify the above named person appeared before me and executed this document on this I /&day of April 2019.

Notary Public My commission expires:

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