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Category:Press Release
MONTHYEARML23165A0222023-03-0202 March 2023 News Release-23-015: NRC Grants Timely Renewal Exemption to Allow Continued Operation of Diablo Canyon Nuclear Power Plant ML22199A0542022-07-0707 July 2022 News Release-22-025: NRC to Hold Public Meeting in San Luis Obispo to Discuss Diablo Canyon Nuclear Power Plant Decommissioning Plan ML22199A0692022-06-13013 June 2022 News Release-IV-22-007: NRC Names New Senior Resident Inspector at the Diablo Canyon Nuclear Power Plant Press Release-22-019, NRC Responds to Inspector General'S Diablo Canyon Event Inquiry2022-05-0303 May 2022 Press Release-22-019: NRC Responds to Inspector General'S Diablo Canyon Event Inquiry Press Release-IV-21-005, NRC to Hold Virtual Meeting to Discuss 2020 Performance of 10 Region IV Nuclear Power Plants2021-04-30030 April 2021 Press Release-IV-21-005: NRC to Hold Virtual Meeting to Discuss 2020 Performance of 10 Region IV Nuclear Power Plants Press Release-IV-20-018, NRC Names New Senior Resident Inspector at the Diablo Canyon Nuclear Power Plant2020-09-30030 September 2020 Press Release-IV-20-018: NRC Names New Senior Resident Inspector at the Diablo Canyon Nuclear Power Plant Press Release-IV-20-007, NRC to Hold Virtual Meeting to Discuss 2019 Performance of 12 Region IV Nuclear Power Plants2020-06-22022 June 2020 Press Release-IV-20-007: NRC to Hold Virtual Meeting to Discuss 2019 Performance of 12 Region IV Nuclear Power Plants Press Release-19-039, NRC Announces Public Meetings Dates and Venues for Community Advisory Boards Near Decommissioning Nuclear Power Plants2019-08-21021 August 2019 Press Release-19-039: NRC Announces Public Meetings Dates and Venues for Community Advisory Boards Near Decommissioning Nuclear Power Plants Press Release-IV-18-011, NRC to Hold Public Meeting to Discuss 2017 Performance of Diablo Canyon Nuclear Power Plant2018-07-20020 July 2018 Press Release-IV-18-011: NRC to Hold Public Meeting to Discuss 2017 Performance of Diablo Canyon Nuclear Power Plant Press Release-18-008, NRC Issues Annual Assessments for Nation'S Nuclear Plants2018-03-0505 March 2018 Press Release-18-008: NRC Issues Annual Assessments for Nation'S Nuclear Plants Press Release-IV-17-013, NRC to Hold Public Meeting on Diablo Canyon Nuclear Power Plant2017-06-0707 June 2017 Press Release-IV-17-013: NRC to Hold Public Meeting on Diablo Canyon Nuclear Power Plant Press Release-IV-16-021, NRC Schedules Regulatory Conference to Discuss Proposed Violation at Diablo Canyon Nuclear Power Plant2016-10-28028 October 2016 Press Release-IV-16-021: NRC Schedules Regulatory Conference to Discuss Proposed Violation at Diablo Canyon Nuclear Power Plant Press Release-IV-16-017, NRC Names New Senior Resident Inspector at Diablo Canyon Nuclear Power Plant2016-08-26026 August 2016 Press Release-IV-16-017: NRC Names New Senior Resident Inspector at Diablo Canyon Nuclear Power Plant Press Release-IV-16-011, NRC to Discuss Performance Assessment for Diablo Canyon Nuclear Power Plant2016-05-24024 May 2016 Press Release-IV-16-011: NRC to Discuss Performance Assessment for Diablo Canyon Nuclear Power Plant Press Release-16-001, NRC Grants Weapons Pre-Emption Authority to Nuclear Facilities in Two States2016-01-0606 January 2016 Press Release-16-001: NRC Grants Weapons Pre-Emption Authority to Nuclear Facilities in Two States Press Release-15-068, NRC Accelerates Schedule for Earthquake Risk Analysis at U.S. Reactors2015-10-27027 October 2015 Press Release-15-068: NRC Accelerates Schedule for Earthquake Risk Analysis at U.S. Reactors Press Release-15-054, NRC Issues Mid-Cycle Assessments for Nation'S Nuclear Plants2015-09-0303 September 2015 Press Release-15-054: NRC Issues Mid-Cycle Assessments for Nation'S Nuclear Plants Press Release-15-043, NRC Seeks Public Comment on Environmental Issues for Diablo Canyon Nuclear Plant License Renewal2015-07-0101 July 2015 Press Release-15-043: NRC Seeks Public Comment on Environmental Issues for Diablo Canyon Nuclear Plant License Renewal Press Release-15-035, NRC Licensing Board to Hear Oral Arguments on Diablo Canyon Issues July 9 in Rockville, MD2015-06-0303 June 2015 Press Release-15-035: NRC Licensing Board to Hear Oral Arguments on Diablo Canyon Issues July 9 in Rockville, MD Press Release-IV-15-013, NRC to Discuss Performance Assessment for Diablo Canyon Nuclear Power Plant2015-06-0101 June 2015 Press Release-IV-15-013: NRC to Discuss Performance Assessment for Diablo Canyon Nuclear Power Plant Press Release-15-032, NRC Requires Additional Earthquake Risk Analysis for Two Western U.S. Reactors2015-05-13013 May 2015 Press Release-15-032: NRC Requires Additional Earthquake Risk Analysis for Two Western U.S. Reactors Press Release-IV-15-005, NRC Issues White Finding to Diablo Canyon Nuclear Power Plant2015-02-12012 February 2015 Press Release-IV-15-005: NRC Issues White Finding to Diablo Canyon Nuclear Power Plant Press Release-IV-14-027, NRC Schedules Regulatory Conference to Discuss Apparent Violation at Diablo Canyon Nuclear Power Plant2014-12-30030 December 2014 Press Release-IV-14-027: NRC Schedules Regulatory Conference to Discuss Apparent Violation at Diablo Canyon Nuclear Power Plant Press Release-IV-14-009, NRC to Discuss Performance Assessment for Diablo Canyon Nuclear Power Plant2014-04-25025 April 2014 Press Release-IV-14-009: NRC to Discuss Performance Assessment for Diablo Canyon Nuclear Power Plant Press Release-IV-13-038, NRC to Discuss Performance Assessment for Diablo Canyon Nuclear Power Plant2013-12-11011 December 2013 Press Release-IV-13-038: NRC to Discuss Performance Assessment for Diablo Canyon Nuclear Power Plant Press Release-IV-13-032, NRC Postpones Public Meeting on Diablo Canyon Because of Government Shutdown2013-10-0808 October 2013 Press Release-IV-13-032: NRC Postpones Public Meeting on Diablo Canyon Because of Government Shutdown Press Release-13-047, NRC Issues Order Designating 10 Facilities Eligible for Weapons Pre-Emption Authority2013-06-0505 June 2013 Press Release-13-047: NRC Issues Order Designating 10 Facilities Eligible for Weapons Pre-Emption Authority Press Release-IV-12-048, NRC to Hold Two Public Meetings on the Diablo Canyon Nuclear Power Plant on Nov. 282012-11-0909 November 2012 Press Release-IV-12-048: NRC to Hold Two Public Meetings on the Diablo Canyon Nuclear Power Plant on Nov. 28 Press Release-12-112, Additional NRC Analysis Confirms Earthquake Safety at Diablo Canyon Nuclear Power Plant2012-10-12012 October 2012 Press Release-12-112: Additional NRC Analysis Confirms Earthquake Safety at Diablo Canyon Nuclear Power Plant Press Release-11-095, NRC Issues Final Safety Evaluation Report for Diablo Canyon Power Plant License Renewal2011-06-0202 June 2011 Press Release-11-095: NRC Issues Final Safety Evaluation Report for Diablo Canyon Power Plant License Renewal Press Release-IV-11-023, NRC to Discuss Performance Assessment for Diablo Canyon Nuclear Power Plant2011-05-12012 May 2011 Press Release-IV-11-023: NRC to Discuss Performance Assessment for Diablo Canyon Nuclear Power Plant Press Release-IV-11-021, NRC Names New Resident Inspector at Diablo Canyon Nuclear Power Plant2011-05-10010 May 2011 Press Release-IV-11-021: NRC Names New Resident Inspector at Diablo Canyon Nuclear Power Plant Press Release-11-042, NRC Monitors Notice of Unusual Event at Diablo Canyon Power Plant, Tsunami Issues2011-03-11011 March 2011 Press Release-11-042: NRC Monitors Notice of Unusual Event at Diablo Canyon Power Plant, Tsunami Issues Press Release-11-043, NRC Continues to Track Earthquake and Tsunami Issues2011-03-11011 March 2011 Press Release-11-043: NRC Continues to Track Earthquake and Tsunami Issues Press Release-IV-11-006, NRC to Hold Public Meeting to Discuss PG&E Digital Upgrade Proposal at the Diablo Canyon Nuclear Plant2011-01-26026 January 2011 Press Release-IV-11-006: NRC to Hold Public Meeting to Discuss PG&E Digital Upgrade Proposal at the Diablo Canyon Nuclear Plant Press Release-IV-11-004, NRC Hold Public Meeting to Discuss Results of License Renewal Inspection at the Diablo Canyon Nuclear Plant2011-01-13013 January 2011 Press Release-IV-11-004: NRC Hold Public Meeting to Discuss Results of License Renewal Inspection at the Diablo Canyon Nuclear Plant Press Release-11-006, NRC Issues Safety Evaluation Report for Diablo Canyon Nuclear Power Plant License Renewal Application2011-01-11011 January 2011 Press Release-11-006: NRC Issues Safety Evaluation Report for Diablo Canyon Nuclear Power Plant License Renewal Application Press Release-IV-10-030, NRC to Hold Public Meeting to Discuss Diablo Canyon Nuclear Power Plant Issues2010-08-26026 August 2010 Press Release-IV-10-030: NRC to Hold Public Meeting to Discuss Diablo Canyon Nuclear Power Plant Issues Press Release-IV-10-028, NRC to Hold Seismic Workshop September 8 - 92010-08-0505 August 2010 Press Release-IV-10-028: NRC to Hold Seismic Workshop September 8 - 9 Press Release-IV-10-026, NRC Monitors Alert at Diablo Canyon Nuclear Power Plant2010-06-23023 June 2010 Press Release-IV-10-026: NRC Monitors Alert at Diablo Canyon Nuclear Power Plant Press Release-IV-10-024, NRC to Hold Two Public Meetings on the Diablo Canyon Nuclear Power Plant on June 292010-06-11011 June 2010 Press Release-IV-10-024: NRC to Hold Two Public Meetings on the Diablo Canyon Nuclear Power Plant on June 29 Press Release-10-078, Licensing Board to Hear Oral Argument May 26 in San Luis Obispo, California, on Diablo Canyon Reactor License Renewal2010-05-0303 May 2010 Press Release-10-078: Licensing Board to Hear Oral Argument May 26 in San Luis Obispo, California, on Diablo Canyon Reactor License Renewal Press Release-IV-10-003, NRC to Conduct Environmental Scoping Meeting as Part of the License Renewal Application for Diablo Canyon Nuclear Plant2010-02-19019 February 2010 Press Release-IV-10-003: NRC to Conduct Environmental Scoping Meeting as Part of the License Renewal Application for Diablo Canyon Nuclear Plant Press Release-IV-10-002, NRC to Discuss Process for Review of License Renewal Application for Diablo Canyon Nuclear Plant2010-01-28028 January 2010 Press Release-IV-10-002: NRC to Discuss Process for Review of License Renewal Application for Diablo Canyon Nuclear Plant Press Release-IV-10-001, NRC to Hold Public Meeting to Discuss Results of Special Inspection at the Diablo Canyon Nuclear Plant2010-01-11011 January 2010 Press Release-IV-10-001: NRC to Hold Public Meeting to Discuss Results of Special Inspection at the Diablo Canyon Nuclear Plant Press Release-10-004, NRC Announces Opportunity for Hearing on Application to Renew Operating Licenses for Diablo Canyon Nuclear Power Plant2010-01-11011 January 2010 Press Release-10-004: NRC Announces Opportunity for Hearing on Application to Renew Operating Licenses for Diablo Canyon Nuclear Power Plant ML0935800832009-12-18018 December 2009 G20090719/LTR-09-0642/EDATS: SECY-2009-0560 - E-mail. Rochelle Becker Safety Culture/Request for Meeting Press Release-09-194, NRC Announces Availability of License Renewal Application for Diablo Canyon Nuclear Power Plant2009-12-0808 December 2009 Press Release-09-194: NRC Announces Availability of License Renewal Application for Diablo Canyon Nuclear Power Plant Press Release-IV-09-035, NRC Conducting Special Inspection at Diablo Canyon Nuclear Plant2009-11-24024 November 2009 Press Release-IV-09-035: NRC Conducting Special Inspection at Diablo Canyon Nuclear Plant Press Release-IV-09-015, NRC to Hold Two Public Meetings About Diablo Canyon Nuclear Plant on May 282009-05-12012 May 2009 Press Release-IV-09-015: NRC to Hold Two Public Meetings About Diablo Canyon Nuclear Plant on May 28 2023-03-02
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No: IV-15-005 February 12, 2015 CONTACT: Victor Dricks (817) 200-1128 Lara Uselding (817) 200-1519 NRC Issues White Finding to Diablo Canyon Nuclear Power Plant The Nuclear Regulatory Commission has determined that an inspection finding involving emergency plan evacuations for areas over the ocean at Diablo Canyon is of low to moderate safety significance. A severity level III violation was also issued. The plant, operated by Pacific Gas &
Electric Co. (PG&E), is located near San Luis Obispo, Calif.
Changes were made to the emergency plan implementing procedures that reduced the plans effectiveness, NRC Region IV Administrator Marc Dapas said. The requirement to provide protective action recommendations for the 10-mile emergency planning zone, regardless of whether that zone includes areas of water, is clear. PG&E should have recognized that the changes were not in compliance with those standards and required prior NRC approval.
The licensee has taken action to fully resolve this issue. Licensees recommend protective actions to local and state officials, who then make the actual decision about what protective actions the public should take. In this case, the county had procedures in place that included evaluating the ocean for evacuation. So, despite the gap in PG&Es emergency plan implementing procedures, at no time was the public going to be allowed to stay in an area that had the potential for radioactivity if an event had occurred.
The NRC uses color-coded inspection findings and performance indicators to assess nuclear plant performance. The colors start with green and then increase to white, yellow, or red, commensurate with the safety significance of the issues involved. The agency's enforcement system uses four severity levels, with level I being the most serious. NRC held a regulatory conference with PG&E officials on Jan. 14 and after thoroughly considering the information provided by the licensee, as well as NRCs inspection results, determined that the finding has low to moderate safety significance, or is white.
NRC inspectors identified that the licensees emergency plan did not include a measure to recommend evacuation of the public for areas over the ocean within the 10-mile emergency planning zone.
Upon further review, the inspectors determined that the licensee had changed its procedure without prior NRC approval as is required if a change decreases the effectiveness of those plans. In this case, PG&E did not identify the change as a decrease in effectiveness and therefore did not request NRC approval.
The NRC will determine the appropriate level of agency oversight and notify PG&E officials of that decision in a separate letter.