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OEDO-24-0083 - Director's Decision Regarding Seismic Core Damage Frequency for Diablo Canyon Nuclear Power Plant, Units 1 and 2 (EPID L-2024-CRS-0000)

Accession Number: ML25160A132

Date Released: Thursday, July 3, 2025

Package Contents

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• ML24067A066 - Petition By San Luis Obispo Mothers For Peace, Friends Of The Earth And Environmental Working Group For Shutdown Of Diablo Canyon Nuclear Power Plant Due To Unacceptable Risk Of Seismic Core Damage Accident (3/7/2024)
• ML24072A529 - Order of the Secretary of the Commission (3/12/2024)
• ML24088A238 - 10 CFR 2.206 - Diablo Canyon Units 1 and 2 OEDO-24-00083 - Screen-in e-mail L-2024-CRS-0000 (3/28/2024)
• ML24136A162 - OEDO-24-00083 [E-Mail] 10 CFR 2.206 - Diablo Canyon Power Plant, Unit Nos. 1 and 2 Seismic - Initial Assessment (EPID L-2024-CRS-0000) (5/15/2024)
• ML24162A079 - OEDO-24-00083 - 10 CFR 2.206 - Diablo Canyon Units 1 and 2 Seismic CDF - Supplemental Declaration 6-7-2024 - (EPID L-2024-CRS-0000) (6/7/2024)
• ML24198A105 - 10 CFR 2.206 - Diablo Canyon Units 1 and 2 Seismic CDF - Petitioner Presentation 7-16-2024 - L-2024-CRS-0000 OEDO-24-00083 (7/17/2024)
• ML24218A164 - OEDO-24-00083 - 10 CFR 2.206 - Diablo Canyon Units 1 and 2 Seismic CDF - 7-17-2024 Petitioner Public Meeting Transcript - (EPID L-2024-CRS-0000) (7/17/2024)
• ML24205A066 - OEDO-24-00083 - 10 CFR 2.206 - Ack Letter - Diablo Canyon Units 1 and 2 Seismic Core Damage Frequency - (EPID L-2024-CRS-0000) (8/27/2024)
• ML24205A067 - OEDO-24-00083 - 10 CFR 2.206 - FRN Diablo Canyon Units 1 and 2 Seismic Core Damage Frequency - (EPID L-2024-CRS-0000) - Federal Register Notice (8/27/2024)
• ML24235A203 - OEDO-24-00083 - 10 CFR 2.206 - Diablo Canyon Units 1 and 2 Seismic - Final Determination e-mail - EPID L-2024-CRS-0000 (8/22/2024)
• ML24262A246 - 10 CFR 2.206 - Diablo Canyon Units 1 and 2 Seismic - Petitioner Response to Acknowledgement Letter - (EPID L-2024-CRS-0000) (9/11/2024)
• ML24281A106 - 2024/10/02 NRR E-mail Capture - [External_Sender] Public letter to Petition Review Board Regarding the Diablo Canyon Seismic Core Damage Frequency 10 CFR 2.206 Petition - OEDO-24-00083 (10/2/2024)
• ML24269A012 - OEDO-24-00083 2.206 Petition Diablo Canyon Seismic CDF - Response to petitioner letter (10/29/2024)
• ML24305A187 - OEDO-24-00083 10 CFR 2.206 - Diablo Canyon Units 1 and 2 Seismic CDF - Petition Supplement 10-30-2024 (EPID L-2024-CRS-0000) (10/31/2024)
• ML24317A038 - OEDO-24-00083 - 2.206 Petition Regarding Seismic Core Damage Frequency for Diablo Canyon Nuclear Power Plant, Units 1 and 2, Supplemental Acknowledgment Letter (EPID L-2024-CRS-0000) (Letter) (12/5/2024)
• ML24317A039 - OEDO-24-00083 - 2.206 Petition Regarding Seismic Core Damage Frequency for Diablo Canyon Nuclear Power Plant, Units 1 and 2, Supplemental Acknowledgment Letter (EPID L-2024-CRS-0000) (FRN) (12/5/2024)
• ML24302A148 - 10 CFR 2.206 - Diablo Canyon Units 1 and 2 Seismic - Proposed Directors Decision - L-2024-CRS-0000 OEDO-24-00083 (4/10/2025)
• ML25093A060 - 10 CFR 2.206 - Diablo Canyon Units 1 and 2 Seismic - Proposed Directors Decision - L-2024-CRS-0000 OEDO-24-00083 - Attachment (4/10/2025)
• ML24302A153 - 10 CFR 2.206 - Diablo Canyon Units 1 and 2 Seismic - Proposed Directors Decision letter to Petitioners - L-2024-CRS-0000 OEDO-24-00083 (4/10/2025)
• ML24302A154 - 10 CFR 2.206 - Diablo Canyon Units 1 and 2 Seismic - Proposed Directors Decision letter to Licensee - L-2024-CRS-0000 OEDO-24-00083 (4/10/2025)
• ML25107A256 - Request for extension of time to comment on Proposed Director’s Decision Regarding Seismic Core Damage Frequency for Diablo Canyon Nuclear Power Plant, Units 1 and 2 (EPID L-2024-CRS-0000) (Redacted) (4/16/2025)
• ML25113A183 - Diablo Canyon Seismic Core Damage 2.206 petition - Approval of Comment Period Extension Request to May 15, 2025 - Email to Licensee (4/17/2025)
• ML25113A184 - Diablo Canyon Seismic Core Damage 2.206 petition - Approval of Comment Period Extension Request to May 15, 2025 - Email to Petitioners (4/17/2025)
• ML25136A355 - Comments on Proposed Director's Decision Regarding Seismic Core Damage Frequency for Diablo Canyon Nuclear Power Plant, Units 1 and 2 (EPID L-2024-CRS-0000) (5/15/2025)
• ML25160A125 - OEDO-24-00083 - Director's Decision Regarding Seismic Core Damage Frequency for Diablo Canyon Nuclear Power Plant, Units 1 and 2 (EPID L-2024-CRS-0000) - Director's Decision (6/26/2025)
• ML25160A124 - OEDO-24-00083 - Director's Decision Regarding Seismic Core Damage Frequency for Diablo Canyon Nuclear Power Plant, Units 1 and 2 (EPID L-2024-CRS-0000) - Letter to Petitioners (6/26/2025)
• ML25161A264 - OEDO-24-00083 - Director's Decision Regarding Seismic Core Damage Frequency for Diablo Canyon Nuclear Power Plant, Units 1 and 2 (EPID L-2024-CRS-0000) - Attachment (6/26/2025)