Letter Sequence Withholding Request Acceptance |
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MONTHYEARML25142A3852025-05-22022 May 2025
Request for ASME Code Relief Regarding 48-Hour Hold Time When Performing Repairs Using Ambient Temperature GTAW Temper Bead Method Per ASME Code Case N-638-11 (Relief Request I5R-01)
Project stage: Request
ML25142A3872025-05-22022 May 2025
Relief Request I5R-01
Project stage: Request
ULNRC-06947, Request for ASME Code Relief Regarding 48-Hour Hold Time When Performing Repairs Using Ambient Temperature GTAW Temper Bead Method Per ASME Code Case N-638-11 (Relief Request I5R-01)2025-05-22022 May 2025
Request for ASME Code Relief Regarding 48-Hour Hold Time When Performing Repairs Using Ambient Temperature GTAW Temper Bead Method Per ASME Code Case N-638-11 (Relief Request I5R-01)
Project stage: Request
ML25147A1262025-05-23023 May 2025
Unit 1 - Verbal Authorization - Relief Request I5R-01 - Verbal Approval from 48-hour Hold Time
Project stage: Approval
ML25148A2892025-05-28028 May 2025
Revision (Supplement) to Request to ASME Code Relief Regarding 48-Hr Hold Time When Performing Repairs Using Ambient Temperature GTAW Temper Bead Method Per ASME Code Case N-638-11 (Relief Request 15R-01)
Project stage: Request
ML25148A2912025-05-28028 May 2025
Enclosure 1: Callaway Plant, Unit 1 - Revision (Supplement) to Request to ASME Code Relief Regarding 48-Hr Hold Time When Performing Repairs Using Ambient Temperature GTAW Temper Bead Method Per ASME Code Case N-638-11 (Relief Request 15R-0
Project stage: Supplement
ULNRC-06949, Revision (Supplement) to Request to ASME Code Relief Regarding 48-Hr Hold Time When Performing Repairs Using Ambient Temperature GTAW Temper Bead Method Per ASME Code Case N-638-11 (Relief Request 15R-01)2025-05-28028 May 2025
Revision (Supplement) to Request to ASME Code Relief Regarding 48-Hr Hold Time When Performing Repairs Using Ambient Temperature GTAW Temper Bead Method Per ASME Code Case N-638-11 (Relief Request 15R-01)
Project stage: Supplement
ML25153A5812025-05-30030 May 2025
Second Verbal Authorization of Request for Alternative I5R-01 - 48-Hour Non-Destructive Examination Hold -
Project stage: Other
ML25163A0382025-06-11011 June 2025
Request for Relief from Flaw Characterization and Flaw Removal Requirements of ASME Code, Section XI - Relief Request
Project stage: Request
ML25168A3302025-06-17017 June 2025
Closed Teleconference with Union Electric Company to Discuss Proprietary Material Provided in the Submittal of Relief Request I5R-02 for the Callaway Plant, Unit No. 1
Project stage: Meeting
ML25175A3432025-06-24024 June 2025
Supplement to Request for Relief from Flow Characterization and Flaw Removal Requirements of ASME Code, Section XI - Relief Relief 15R-02
Project stage: Request
ML25175A3462025-06-24024 June 2025
Enclosure 3: Non-Proprietary Documents
Project stage: Request
ML25178A2232025-06-26026 June 2025
Verbal Authorization of Relief Request from Flaw Characterization and Removal Requirements - I5R-02 - EPID L-2025-LLR-0059
Project stage: Approval
ML25183A3372025-06-26026 June 2025
Verbal Authorization of Relief Request from Flaw Characterization and Removal Requirements - I5R-02 -
Project stage: Approval
ML25205A1332025-08-0404 August 2025
June 18, 2025, Summary of Closed Teleconference with Union Electric Company Regarding Relief Request I5R-02 – Alternate Repair of Reactor Vessel Bottom Mounted Instrumentation Nozzles for Callaway Plant, Unit No. 1
Project stage: Meeting
ML25294A1482025-10-21021 October 2025
Second Supplement to Request for Relief from Flw Characterization and Flaw Removal Requirements of ASME Code, Section XI - Relief Request 15R-02
Project stage: Supplement
ML25322A1962025-11-18018 November 2025
Request for Withholding Information from Public Disclosure
Project stage: Withholding Request Acceptance
ML25324A2372025-12-0202 December 2025
Authorization and Safety Evaluation for Alternative Request No. I5R-01 and I5R-02, Epids L-2025-LLR-0054 and L-2025-LLR-0059
Project stage: Approval
2025-05-28
[Table View] |
Text
From:
Thomas Byrd To:
"jmorton@ameren.com" Cc:
Tony Nakanishi; Mahesh Chawla
Subject:
Callaway - Request for Withholding Information from Public Disclosure (EPID L-2025-LLR-0059)
Date:
Tuesday, November 18, 2025 7:10:00 AM Attachments:
image001.png By letter dated October 21, 2025 (ML25294A148), Ameren Missouri submitted an affidavit 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) Section2.390.
The NRC staff reviewed the affidavit and information provided in the letter in accordance with the requirements of 10CFR2.390. Based on the statements in the affidavit, the 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 10CFR 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.
Sincerely,
Thomas Byrd Project Manager - Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation OWFN 08F10
