IR 05000352/2023401

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Cybersecurity Inspection Report 05000352/2023401 and 05000353/2023401
ML23355A096
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 12/21/2023
From: Glenn Dentel
Division of Operating Reactors
To: Rhoades D
Constellation Energy Generation, Constellation Nuclear
References
IR 2023401
Download: ML23355A096 (1)


Text

December 21, 2023

SUBJECT:

LIMERICK GENERATING STATION, UNITS 1 AND 2 - CYBERSECURITY INSPECTION REPORT 05000352/2023401 AND 05000353/2023401

Dear David Rhoades:

On December 8, 2023, the U.S. Nuclear Regulatory Commission (NRC) completed an inspection at Limerick Generating Station, Units 1 and 2, and discussed the results of this inspection with Michael Gillin, Site Vice President, and other members of your staff. The results of this inspection are documented in the enclosed report.

Two findings of very low security significance (Green) are documented in this report. Two of these findings involved violations of NRC requirements. We are treating these violations as non-cited violations (NCVs) consistent with Section 2.3.2 of the Enforcement Policy.

A licensee-identified violation which was determined to be of very low security significance is documented in this report. We are treating this violation as an NCV consistent with Section 2.3.2 of the Enforcement Policy.

If you contest the violations or the significance or severity of the violations documented in this inspection report, you should provide a response within 30 days of the date of this inspection report, with the basis for your denial, to the U.S. Nuclear Regulatory Commission, ATTN:

Document Control Desk, Washington, DC 20555-0001; with copies to the Regional Administrator, Region I; the Director, Office of Enforcement; the Director, Office of Nuclear Security and Incident Response; and the NRC Resident Inspector at Limerick Generating Station.

The following cross-cutting aspects were assigned to findings using Inspection Manual Chapter 0310 Aspects Within Cross Cutting Areas: one [H.7] - Documentation and one [P.5] -

Operating Experience. If you disagree with a cross-cutting aspect assignment in this report, you should provide a response within 30 days of the date of this inspection report, with the basis for your disagreement, to the U.S. Nuclear Regulatory Commission, ATTN: Document Control Desk, Washington, DC 20555-0001; with copies to the Regional Administrator, Region I; the Director, Office of Nuclear Security and Incident Response; and the NRC Resident Inspector at Limerick Generating Station.

This letter will be made available for public inspection and copying at http://www.nrc.gov/reading-rm/adams.html and at the NRC Public Document Room in accordance with Title 10 of the Code of Federal Regulations 2.390, Public Inspections, Exemptions, Requests for Withholding.

The enclosed report contains Security-Related Information, so the enclosed report will not be made publicly available in accordance with Title 10 of the Code of Federal Regulations (10 CFR) 2.390(d)(1). If you choose to provide a response that contains Security-Related Information, please mark your entire response Security-Related Information-Withhold from public disclosure under 10 CFR 2.390 in accordance with 10 CFR 2.390(d)(1) and follow the instructions for withholding in 10 CFR 2.390(b)(1). The NRC is waiving the affidavit requirements for your response in accordance with 10 CFR 2.390(b)(1)(ii).

Sincerely, Glenn T. Dentel, Chief Engineering Branch 2 Division of Operating Reactor Safety

Docket Nos. 05000352 and 05000353 License Nos. NPF-39 and NPF-85

Enclosure:

As stated

cc w/o encl: Distribution via LISTSERV

cc w/ encl:

D. Shearer, Director, Bureau of Radiation Protection, PA Department of Environmental Protection W. DeHaas, Bureau of Radiation Protection, PA Department of Environmental Protection J. Mohr, Manager Security Operations J. Sullivan, Security Manager

Glenn T.

Dentel Digitally signed by Glenn T. Dentel Date: 2023.12.21 14:28:25 -05'00'

ML23355A087 (Cover letter w/ enclosure(s))

ADAMS ACCESSION NUMBER: ML23355A096 (Cover letter)

Entire Report:

x SUNSI Review Non-Sensitive x Sensitive Publicly Available x Non-Publicly Available Cover Letter Only:

x SUNSI Review x Non-Sensitive Sensitive x Publicly Available Non-Publicly Available OFFICE RI/DORS RI/DORS RI/DORS RI/DORS

NAME JGreives DWerkheiser BPinson GDentel

DATE 12/20/2023 12/21/2023 12/20/2023 12/20/2023