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Category:Letter
MONTHYEARDCL-24-075, Response to Request for Additional Information for License Amendment Request 23-02, Application to Adopt 10 CFR 50.69, “Risk-Informed Categorization and Treatment of Structures, Systems and Components for Nuclear Power React2024-08-0808 August 2024 Response to Request for Additional Information for License Amendment Request 23-02, Application to Adopt 10 CFR 50.69, “Risk-Informed Categorization and Treatment of Structures, Systems and Components for Nuclear Power React IR 05000275/20240022024-08-0606 August 2024 Integrated Inspection Report 05000275/2024002 and 05000323/2024002 DCL-24-070, License Amendment Request 24-03 Revision to Technical Specification 5.5.16 for Permanent Extension of Type a and Type C Leak Rate Test Frequencies2024-07-31031 July 2024 License Amendment Request 24-03 Revision to Technical Specification 5.5.16 for Permanent Extension of Type a and Type C Leak Rate Test Frequencies DCL-24-071, Core Operating Limits Report for Unit 2 Cycle 252024-07-22022 July 2024 Core Operating Limits Report for Unit 2 Cycle 25 DCL-2024-523, Submittal of Report on Discharge Self-Monitoring2024-07-18018 July 2024 Submittal of Report on Discharge Self-Monitoring ML24187A1352024-07-16016 July 2024 Letter to Paula Gerfen - Diablo Canyon Units 1 and 2 - Summary of June 2024 Audit Related to the License Renewal Application Severe Accident Mitigation Alternatives Review IR 05000275/20240142024-07-11011 July 2024 Age-Related Degradation Inspection Report 05000275/2024014 and 05000323/2024014 IR 05000275/20243012024-07-10010 July 2024 NRC Initial Operator Licensing Examination Approval 05000275/2024301; 05000323/2024301 IR 05000275/20244012024-07-0808 July 2024 Security Baseline Inspection Report 05000275/2024401 and 05000323/2024401 (Full Report) IR 05000323/20240112024-07-0303 July 2024 License Renewal Phase Report 05000323/2024011 DCL-2024-527, Sea Turtle Stranding Report (Loggerhead Sea Turtle) Diablo Canyon Power Plant2024-07-0101 July 2024 Sea Turtle Stranding Report (Loggerhead Sea Turtle) Diablo Canyon Power Plant DCL-24-066, Request to Extend the Nrg Approval of Alternative for Use of Full Structural Weld Overlay, REP-RHR-SWOL2024-06-27027 June 2024 Request to Extend the Nrg Approval of Alternative for Use of Full Structural Weld Overlay, REP-RHR-SWOL ML24155A2182024-06-18018 June 2024 OEDO-23-00350-NRR - (LTR-23-0228-1) - Closure Letter - 10 CFR 2.206 Petition from Mothers for Peace and Friends of the Earth Regarding Diablo Canyon ML24129A1762024-06-14014 June 2024 National Historic Preservation Act Section 106 Consultation – Results of Identification and Evaluation (Docket Number: 72-026) ML24200A2052024-06-0707 June 2024 Fws to NRC, List of Threatened and Endangered Species That May Occur in Your Proposed Project Location or May Be Affected by Your Proposed Project for Diablo Canyon License Renewal ML24099A2192024-05-29029 May 2024 Plants, Units 1 and 2 Issuance of Amendment Nos. 245 and 247 Revision to TSs to Adopt TSTF-505, Revision 2, Provide Risk-Informed Extended Completion Times - RITSTF Initiative 4b ML24117A0132024-05-20020 May 2024 Letter to Paula Gerfen-Diablo Canyon Units 1 and 2-Regulatory Audit Regarding Severe Accident Mitigation Alternatives for the License Renewal Application DCL-24-052, Responses to NRC Requests for Additional Information on the Diablo Canyon Power Plant License Renewal Application Environmental Report2024-05-16016 May 2024 Responses to NRC Requests for Additional Information on the Diablo Canyon Power Plant License Renewal Application Environmental Report DCL-24-051, One Hundred Eighty Day Steam Generator Report for Twenty-Fourth Refueling Outage2024-05-0808 May 2024 One Hundred Eighty Day Steam Generator Report for Twenty-Fourth Refueling Outage ML24127A2042024-05-0202 May 2024 02May2024 Ltr - California Coastal Commission to Pg&E, Coastal Development Permit Needed for Pg&E’S Proposed Relicensing of Diablo Canyon Nuclear Power Plant DCL-24-049, 2023 Annual Radiological Environmental Operating Report2024-05-0101 May 2024 2023 Annual Radiological Environmental Operating Report DCL-24-047, 2023 Annual Non-radiological Environmental Operating Report2024-05-0101 May 2024 2023 Annual Non-radiological Environmental Operating Report DCL-24-048, O CFR 50.59 and 1 O CFR 72.48 Summary Report for the Period of January 1, 2022, Through December 31, 20232024-04-30030 April 2024 O CFR 50.59 and 1 O CFR 72.48 Summary Report for the Period of January 1, 2022, Through December 31, 2023 L-24-004, Independent Spent Fuel Storage Installation - Responses to NRC Requests for Additional Information on the Diablo Canyon Independent Spent Fuel Storage Installation License Renewal Application (Cac/Epid 001028/L-2022-RNW-0007)2024-04-30030 April 2024 Independent Spent Fuel Storage Installation - Responses to NRC Requests for Additional Information on the Diablo Canyon Independent Spent Fuel Storage Installation License Renewal Application (Cac/Epid 001028/L-2022-RNW-0007) DCL-24-027, 2023 Annual Radioactive Effluent Release Report2024-04-28028 April 2024 2023 Annual Radioactive Effluent Release Report DCL-24-045, Annual Report of Occupational Radiation Exposure for 20232024-04-24024 April 2024 Annual Report of Occupational Radiation Exposure for 2023 IR 05000275/20240012024-04-23023 April 2024 Integrated Inspection Report 05000275/2024001 and 05000323/2024001 ML24114A2032024-04-22022 April 2024 Request for Information for EP Program and Performance Indicator Verification Inspection (Wolf Creek Nuclear Generating Station) Inspection Report 05000482/2024003 ML24106A2892024-04-18018 April 2024 Letter to Paula Gerfen - Diablo Canyon Units 1 and 2 - Summary of March 2024 Audit Regarding the Environmental Review of the License Renewal Application ML24106A2882024-04-18018 April 2024 License Renewal Application Environmental Review RCIs and RAIs DCL-24-042, Response to NRC Regulatory Issue Summary 2024-01, Preparation and Scheduling of Operator Licensing Examinations2024-04-17017 April 2024 Response to NRC Regulatory Issue Summary 2024-01, Preparation and Scheduling of Operator Licensing Examinations ML24108A1122024-04-15015 April 2024 License Amendment Request 24-02 Request for Approval of DCPP Early Warning System to Meet 10 CFR 73.55(i)(2) and 10 CFR 73.55(e)(9)(vi)(A) DCL-24-023, Revised Certification of Permanent Cessation of Power Operations2024-04-0202 April 2024 Revised Certification of Permanent Cessation of Power Operations DCL-24-022, Notification of Changes to Decommissioning Schedule2024-04-0202 April 2024 Notification of Changes to Decommissioning Schedule DCL-24-031, Decommissioning Funding Report2024-03-27027 March 2024 Decommissioning Funding Report DCL-24-032, 2024 Annual Statement of Insurance for Pacific Gas and Electric Company’S Diablo Canyon Power Plant2024-03-27027 March 2024 2024 Annual Statement of Insurance for Pacific Gas and Electric Company’S Diablo Canyon Power Plant ML24082A2592024-03-25025 March 2024 Notice of Enforcement Discretion for Diablo Canyon Power Plant, Unit 2 (EPID L-2024-LLD-0002) - March 25, 2024 ML24081A0462024-03-22022 March 2024 Audit Summary in Support of the License Amendment Request to Adopt TSTF-505, Revision 2, Provide Risk-Informed Extended Completion Times - RITSTF Initiative 4b DCL-24-028, Request for Enforcement Discretion Regarding Compliance with Technical Specification 3.0.3, Limiting Condition for Operation Applicability2024-03-21021 March 2024 Request for Enforcement Discretion Regarding Compliance with Technical Specification 3.0.3, Limiting Condition for Operation Applicability ML24081A4052024-03-21021 March 2024 Request for Enforcement Discretion Regarding Compliance with Technical Specification 3.0.3, Limiting Condition for Operation Applicability ML24065A1312024-03-20020 March 2024 ISFSI Renewal RAI Transmittal Letter IR 05000275/20244032024-03-12012 March 2024 Cyber Security Inspection Report 05000275/2024403 and 05000323/2024403 (Cover Letter) ML24065A3662024-03-0404 March 2024 Notification of Site Inspection for License Renewal and Request for Information Inspection (05000323/2024011) ML24071A1742024-03-0404 March 2024 Email - (External_Sender) Shutdown Petition to NRC Commissioners DCL-24-018, License Amendment Request 24-01 Revision to Technical Specification 5.6.6, Reactor Coolant System (RCS) Pressure and Temperature Limits Report (PTLR)2024-02-28028 February 2024 License Amendment Request 24-01 Revision to Technical Specification 5.6.6, Reactor Coolant System (RCS) Pressure and Temperature Limits Report (PTLR) IR 05000275/20230062024-02-28028 February 2024 Annual Assessment Letter for Diablo Canyon Power Plant, Units 1 and 2 (Report 05000275/2023006 and 05000323/2023006) ML24056A0022024-02-27027 February 2024 – License Renewal Regulatory Audit Regarding the Environmental Review of the License Renewal Application DCL-2024-507, 2023 Annual Report on Discharge Self-Monitoring2024-02-27027 February 2024 2023 Annual Report on Discharge Self-Monitoring ML24058A2552024-02-22022 February 2024 Formal Acceptance from Sy Chumash Re Regarding Consultation on the DC NPP ML24058A2562024-02-22022 February 2024 Santa Ynez Band or Chumash Tribe - Consultation Request Diablo Canyon NPP Units 1 and 2 2024-08-08
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SAFEGUARDS INFORMATION October 26, 2010 EA-2010-120 Mr. James Becker Pacific Gas & Electric Company P.O. Box 3, Mail Station 104/6/601 Avila Beach, CA 93424
SUBJECT:
FINAL SIGNIFICANCE DETERMINATION AND NOTICE OF VIOLATION FOR SECURITY RELATED GREATER-THAN-GREEN FINDINGS FOR DIABLO CANYON POWER PLANT, U.S. NUCLEAR REGULATORY COMMISSION INSPECTION REPORTS 05000275/2010201 & 05000323/2010201)
Dear Mr. Becker:
This letter provides you the final results of our significance determination of the preliminary Greater-than-Green findings identified in U.S. Nuclear Regulatory Commission (NRC)
Inspection Reports 05000275/2010201 and 05000323/2010201, dated July 23, 2010.
At your request, a Regulatory Conference was held on September 2, 2010, to further discuss your views on these issues. During the meeting, your staff described your assessment of the significance of the findings and the corrective actions taken to resolve them, including physical site improvements, equipment upgrades, and revised procedures.
After considering the information developed during the inspection and additional information provided including information you provided at the conference, the NRC has concluded that the inspection findings and associated violations are appropriately characterized as Greater-than-Green findings (i.e., a finding having more than very low security significance). to this letter provides the Notice of Violation (NOV), Enclosure 2 to this letter provides the determination of the finding, while Enclosure 3 provides our evaluation of the information you presented during the Regulatory Conference; and the final significance determination.
You have 30 calendar days from the date of this letter to appeal the staff's determination of significance for the identified Greater-than-Green Findings. Such appeals will be considered to have merit only if they meet the criteria given in NRC Inspection Manual Chapter 0609, .
The NRC has also determined that the conditions discussed are violations of Title 10 of the Code of Federal Regulations (10 CFR) Part 73, as cited in the enclosed NOV. In accordance with the NRC Enforcement Policy, the NOV is considered escalated enforcement action because it is associated with a Greater-than-Green finding.
Enclosures transmitted herewith contain Safeguards Information. When separated from the enclosures, this transmittal document is decontrolled.
SAFEGUARDS INFORMATION
SAFEGUARDS INFORMATION J. Becker You are required to respond to this letter and should follow the instructions specified in the enclosed NOV when preparing your response.
Because plant performance for this issue has been determined to be beyond the licensee response band, we will use the NRCs Security Action Matrix to determine the most appropriate NRC response for this event. We will notify you by separate correspondence of that determination.
In accordance with 10 CFR 2.390 of the NRC's "Rules of Practice," a copy of this letter will be made available electronically for public inspection in the NRC Public Document Room or from the NRCs Agencywide Documents Access and Management System (ADAMS) accessible from the NRC Web site at http://www.nrc.gov/reading-rm/adams.html. However, the material enclosed herewith contains Safeguards Information as defined by 10 CFR Part 73.21 and its disclosure to unauthorized individuals is prohibited by Section 147 of the Atomic Energy Act of 1954, as amended. Therefore, the material in the enclosure will not be made available electronically for public inspection in the NRC Public Document Room or from the NRCs document system ADAMS. If Safeguards Information is necessary to provide an acceptable response, please provide level of protection described in 10 CFR 73.21.
In accordance with 10 CFR 2.390(b)(1)(ii), the NRC is waiving the affidavit requirements for your response.
Sincerely,
/RA Art Howell for/
James T. Wiggins, Director Office of Nuclear Security and Incident Response Docket Nos.: 50-275 and 50-323 License Nos.: DPR-80/82
Enclosures:
- 1. Inspection Finding and Notice of Violation (SGI)
- 2. Determination of Findings (SGI)
- 3. Evaluation of Regulatory Conference Information (SGI) cc w/encl: J. Conway, Pacific Gas and Electric Company D. Brady, NSIR M. Shannon, RIV M. Peck, RIV J. Curry, NSIR cc w/o encl: J. Post, Pacific Gas and Electric Company SAFEGUARDS INFORMATION
SAFEGUARDS INFORMATION J. Becker You are required to respond to this letter and should follow the instructions specified in the enclosed NOV when preparing your response.
Because plant performance for this issue has been determined to be beyond the licensee response band, we will use the NRCs Security Action Matrix to determine the most appropriate NRC response for this event. We will notify you by separate correspondence of that determination.
In accordance with 10 CFR 2.390 of the NRC's "Rules of Practice," a copy of this letter will be made available electronically for public inspection in the NRC Public Document Room or from the NRCs Agencywide Documents Access and Management System (ADAMS) accessible from the NRC Web site at http://www.nrc.gov/reading-rm/adams.html. However, the material enclosed herewith contains Safeguards Information as defined by 10 CFR Part 73.21 and its disclosure to unauthorized individuals is prohibited by Section 147 of the Atomic Energy Act of 1954, as amended. Therefore, the material in the enclosure will not be made available electronically for public inspection in the NRC Public Document Room or from the NRCs document system ADAMS. If Safeguards Information is necessary to provide an acceptable response, please provide level of protection described in 10 CFR 73.21.
In accordance with 10 CFR 2.390(b)(1)(ii), the NRC is waiving the affidavit requirements for your response.
Sincerely,
/RA Art Howell for/
James T. Wiggins, Director Office of Nuclear Security and Incident Response Docket Nos.: 50-275 and 50-323 License Nos.: DPR-80/82
Enclosures:
- 1. Inspection Finding and Notice of Violation (SGI)
- 2. Determination of Findings (SGI)
- 3. Evaluation of Regulatory Conference Information (SGI) cc w/encl: J. Conway, Pacific Gas and Electric Company D. Brady, NSIR M. Shannon, RIV M. Peck, RIV J. Curry, NSIR cc w/o encl: J. Post, Pacific Gas and Electric Company DISTRIBUTION W/O ENCL:
A. Wang, NRR G. Miller, RIV J. Weil, CA T. Howard, NSIR R. Deese, RIV D. Decker, OCA C. Casto, RIV A. Chan, RIV G. Miller, EDO K. Kenney, RIV V. Dricks, RIV ROPreports Resource A. Vegel, RIV M. Herrera, RIV RidsOeMailCenter Resource R. Caniano, RIV K. Fuller, RIV T. Pruett, RIV D. Powers, RIV ADAMS ACCESSION NO: ML102800403 OFFICE DSO/NSIR DSO/NSIR RIV OE NAME J. Berry for R. Felts A. Church for J. Curry Via E-mail M. Shannon Via E-Mail D. Furst DATE 10/8/10 10/8/10 10/8/10 10/8/10 OFFICE BC:DSO/NSIR DDSO:DSO/NSIR D:DSO/NSIR NSIR NAME K. Brooks for R. Johnson B. Westreich P. Holahan Art Howell forJ. Wiggins DATE 10/8/10 10/19/10 10/19/10 10/26/10 OFFICIAL RECORD COPY SAFEGUARDS INFORMATION