ML25294A557

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Request for Withholding Information from Public Disclosure
ML25294A557
Person / Time
Site: Calvert Cliffs  Constellation icon.png
Issue date: 10/21/2025
From: Geoffrey Miller
NRC/NRR/DORL/LPL2-1
To: Para W
Constellation Energy Generation
References
EPID L-2025-LLA-0158
Download: ML25294A557 (1)


Text

From:

Ed Miller To:

"Wendi.Para@constellation.com" Cc:

David Wrona

Subject:

Calvert Cliffs Nuclear Power Plant, Unit 2 - Request for Withholding Information From Public Disclosure Date:

Tuesday, October 21, 2025 8:44:00 AM

Hello, By letter dated October 17, 2025 (ML25290A336 (Prop) ML25290A335 (Non-Prop)),

Constellation Energy Generation, LLC submitted an affidavit submitted by Philip Opsal, Manager, Product Licensing for Framatome Inc. requesting that specific information included with the letter be withheld from public disclosure pursuant to Title 10 of the Code of Federal Regulations (10 CFR) Section 2.390.

The NRC staff reviewed the affidavit and information provided in the letter in accordance with the requirements of 10 CFR 2.390. Based on the statements in the affidavit, the NRC staff determined that the information sought to be withheld contains proprietary commercial information and should be withheld from public disclosure. Therefore, the information marked as proprietary will be withheld from public disclosure pursuant to 10 CFR 2.390(b)(5).

The NRC may have cause to review this determination in the future. If the NRC makes a determination adverse to the above, the submitter will be notified in advance of any public disclosure.

Ed Miller, Project Manager Plant Licensing Branch II-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission (301) 415-2481 EPID L-2025-LLA-0158 Docket No 50-318