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Diablo Canyon Power Plant, Unit 1

Location: Avila Beach, CA (12 miles WSW of San Luis Obispo, CA); Region IV; Type: Westinghouse Four-Loop; Licensed MWt: 3304

Diablo Canyon Power Plant, Unit 2

Location: Avila Beach, CA (12 miles WSW of San Luis Obispo, CA); Region IV; Type: Westinghouse Four-Loop; Licensed MWt: 3468

Diablo Canyon, Units 1 and 2 - Request for Withholding Information from Public Disclosure - 6/25/15 Affidavit Executed by H. Sepp, Westinghouse Electric Company LLC, Re: Licensee's 7/8/15 Responses to Request for Additional Information.

Mr. Edward D. Halpin UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 August 25, 2015 Senior Vice President and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 56, Mail Code 104/6 Avila Beach, CA 93424 SUBJECT: D...

Comment (33) of Susan N. Atlee Opposing NRC Staff's Supplement to the Environmental Assessment and Draft Finding of No Significant Impact Related to the Construction and Operation of the Diablo Canyon Independent Spent Fuel Storage Installation.

NRCREP - -PgFrom: catlee@calpoly.edu To: Date: Tue, Jul 31, 2007 7:52 PMHCNote: Docket No. 72-26i-!-I --To James R. Hall, NRCREP@nrc.gov: •cFrI am writing regarding Docket No. 72-26 with comments on the NRCStaff's Supplement to the Environmental Assessment and Draft Finding of...

02/22/1974 Notice of Forthcoming Diablo Canyon Site Visit to Observe the Geological Characteristics of the Site, with Emphasis on the Soil Characteristics of the Slope Located East of Plant Buildings.

Docket Nos 50-275and 50-323F68 13 1974DXSTRIBUTION:Dockets (2)L ReadingRP ReadingLWR 1-3 ReadingTJEironsKarl R. Goller, Chief, Light Hater Reactors, Group 1-3, LPORTHCO?KNG DIABLO CANYON SXTE VISXTTime and Date:Location:Purpose:Participants:8:30 A. U.-February 22, 1974Diablo C...

Request for hearing on 830817 application for amend to License DPR-76 to extend term of suspended low power OL to 3 yrs from date of issuance.Certificate of Svc encl.

. ..DOCKETEDUNITED STATES OF AMERICAUSNR0NUCLEAR REGULATORY COMMISSION33 AD3 30 P551BEFORE THE COMMISSION0FFirr c. S[ca g .[C2 ~ nG^ cr- ,) a: -wiIn the Matter of))PACIFIC GAS AND ELECTRIC COMPANY) Docket Nos. 50-275 O.L.) 50-323 0.L.(Diablo Canyon Nuclear Power)Plant, Units 1...

Diablo Canyon, Unit 1 - ASME Section XI Inservice Inspection Program Request for Relief NDE-SIF-U1 to Allow Use of Alternate Examination Volume Coverage Requirements.

PacHic Gas and Electric Company~ March 31, 2016 PG&E Letter DCL-16-036 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Docket No. 50-275, OL-DPR-80 Diablo Canyon Power Plant Unit 1 James M. Welsch Vice President, Nuclear Generation Diab...

Diablo Canyon Power Plant, Units 1 And 2 - Notification Of Cyber Security Inspection (NRC Inspection Report 05000275/2020401 And 05000323/2020401) And Request For Information

January 8, 2020 Mr. James M. Welsch Senior Vice President, Generation and Chief Nuclear Officer Pacific Gas and Electric Company P.O. Box 56 Mail Code 104/6 Avila Beach, CA 93424 SUBJECT: DIABLO CANYON POWER PLANT, UNITS 1 AND 2 - NOTIFICATION OF CYBER SECURITY INSPEC...

Letter Request for Additional Information Related to the Review of the Diablo Canyon Nuclear Power Plant, Units 1 and 2, License Renewal Application (TAC Nos. ME2896 and ME2897) - Aging Management Programs.

June 14, 2010 Mr. John Conway Senior Vice President Generation and Chief Nuclear Officer Pacific Gas and Electric Company 77 Beale Street, MC B32 San Francisco, CA 94105 SUBJECT: REQUEST FOR ADDITIONAL INFORMATION RELATED TO THE REVIEW OF THE DIABLO CANYON NUCLEAR POW...

Diablo Canyon, Units 1 and 2 - Letter from Advisory Council on Historic Preservation to NRC Regarding Possible Effect of Diablo Canyon Plant on Chumash Indian Village and Tsuhanu Cemetery Site.

VAdvisory Council onHistoric Preservation1522 K Street NW.Washington, D.C. 20005~,pg}Pg"hit PPA4~Iwft"QQ'fMr. Daniel R. MullerDirecto'r of Environmental ProjectsDivision of Reactor LicensingNuclear Regulatory Commission'ashington,D.C. 20555October ll, 1977g)'>PfgyggcQg~VtsgSg ...

G20040476 - Lorna Pini-Kipfer e-mail re: Briefing Package for Commissioner Merrifield Visit with Pacific Gas & Electric/Diablo Canyon on August 25, 2004.

EDO Principal Correspondence ControlFROM: DUE: 08/18/04 EDO CONTROL: G20040476DOC DT: 07/16/04FINAL REPLY:Lorna Pini-Kipfer, OCM/JSMOEDO StaffFOR SIGNATURE OF : ** GRN ** CRC NO:DESC: ROUTING:Briefing Package for Commissioner MerrifieldVisit with Pacific Gas & Electric/Diablo ...

Diablo Canyon, Units 1 and 2 - Comments from US Dept. of Commerce on Draft Environmental Impact Statement.

AEC D KRIBUTZON FOR PART 0 DOCKET M ~RIALTr 'A/APOBARY r ORNA CONTROL No: 673FROM:-The,Z)v DEYOUNG L(Pm)SKOVHOLT-LPe COLLINSRRG OPR~KILN &: REGION(2)hQRRISSTELIZIKIXIESCHROEDERMACCARYKI+GHT(2)PAWLICKXSHAOKNUTHSTEZZDMOOREHOUSTONTEDESCOLONGLAX NASBENAROYAVOLQZRDENTONGRXMESGAMPLL...

07/25/2006 - Meeting with members of the public. re: This meeting is being conducted to provide members of the community an opportunity to ask questions and provide comments to the NRC staff on issues regarding the Diablo Canyon Power Plant.

March 28, 2006SUBJECT: MEETING WITH MEMBERS OF THE PUBLICFACILITY: Diablo Canyon Power PlantDOCKETS: 50-275; 50-323DATE AND TIME: July 25, 20066:30 p.m. (PDT)LOCATION: Embassy Suites Hotel333 Madonna RoadSan Luis Obispo, CA 93405PURPOSE: This meeting is being conducted to pro...

Diablo Canyon, Units 1 and 2 - Issuance of Amendment Nos. 218 and 220, Revise Surveillance Requirements in TS 3.8.1, "AC Sources," related to Diesel Generator Testing (TAC Nos. MF3826 and MF3827).

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Mr. Edward D. Halpin Senior Vice President and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 56, Mail Code 104/6 Avila Beach, CA 93424 July 1, 2015 SUBJECT: DIAB...

Diablo Canyon, Units 1 and 2 - Transmittal of 3 signed and 47 Conformed Copies of Responses to Comments Submitted by the Department of the Interior and the State of California on the Draft on Plant Site.

AFC D II37Jiio;J F03 PART 0 DOCWT I~ RIALTZi:ZORARY c OR~i CONTROL NO: 3066ENVIROPRON:Pacific Gas & Electric CompanySan Francisco, Cal. 94106'.T, SearlsTO rGordon K. Dicker5-8-73 5-10-73ORIG CC1 signedDATE OF DOC DATE REC'D i'KVAOHIPS iTRAA/SEC7g0/ABLO CA YO/VMARCH 8I,I!>73AAl...

Petition for Intervention in the Matter of Pacific Gas and Electric Company Diablo Canyon Nuclear Power Plant.

OOCXEIEOQRECDFC11969~Q' 011lcoolthogccrolarpPobllcProne".OlngoOrna:wUNITED. STATES OF, Al'IEl

Canyon, Units 1 & 2 - Response to Telephone Conference Call Held Nov. 18, 2010, Between U.S. Nuclear Regulatory Commission and Pacific Gas & Electric Co. Concerning Responses to Requests for Additional Information Related to License Renewal Application.

Pacific Gas and Electric Company® December 13,2010 PG&E Letter DCL-1 0-163 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20852 Docket No. 50-275, OL-DPR-80 Docket No. 50-323, OL-DPR-82 Diablo Canyon Units 1 and 2 James R. Becker Site Vice Presid...

Diablo Canyon, Units 1 & 2, letter requesting extension of time to reply to applicant's motion for summary disposition of certain environmental contentions from September 14, 1976 to September 24, 1976.

SOARO OF TRUSTEES. 0CENTER FOR LAWI N TH E PU B LIC I NTER ESTLEGAL STAFFJANCS N. ADLCRREGINALD ALLCYNCPHILLIP S. DERRYDAVID DOUDIONRICHARD H. SVXDAVI4GCOI'FRCY COWANMARGOT C.FEUCRDANIEL GRCCNSCRGCARLYLE W. HALL,JR.ELIZASCTH M. HOROWITZALVIN S. KAUFCRHICHAEL C, LEVINCGLADYS HE...

In the Matter of Pacific Gas and Electric Company - Intention to File a Motion to Add Two New Contentions Relevant to the Health and Safety Portions of the Diablo Canyon Proceedings.

5BOARD OF TRUSTEESCENTER FOR LAWIN THE PUBLIC INTERESTLE'GAL STAFFJAMES N ADlfRREGPtALD ALLEYNEPH!LL!P S 8ERRYOAYID SQVS!ONRCHARD M SVYSAVMGEQFFRE Y COA!ANIAARGOT E FEVEROAN!EL GREfNBERGCARL'1LE W HALL.JRELIZASETH M IIORQWITZALON 5 KAVFERGLADYS MfADELANQQN MQRR!SQWEN OLPPIYCTO...

Diablo Canyon Power Plant, Unit 1 - Acceptance Review Email, Request for Alternative NDE-RCS-SE-LP1CL, to Allow Use of Alternate ASME Code Case N-770-1 Baseline Examination, Third 10-Year Inservice Inspection Interval (TAC No. ME7236).

From: Polickoski, James Sent: Tuesday, November 01, 2011 2:08 PM To: Baldwin, Thomas (DCPP); Soenen, Philippe R Cc: Burkhardt, Janet; Lent, Susan; Wang, Alan Subject: Acceptance of Diablo Canyon Power Plant (DCPP) ASME Section XI Inservice Inspection Code Alternative Relief Re...

Diablo Canyon, Unit 1 - Exigent License Amendment Request 06-08, Revision to Technical Specification 3.8-4, "DC Sources - Operating," Condition B.

Pacific Gas andElectric Company'James R. Becker Diablo Canyon Power PlantVice President P. 0. Box 56Diablo Canyon Operations and Avila Beach, CA 93424Station Director805.545.3462October 18, 2006 Fax: 805.545.4234PG&E Letter DCL-06 -120U.S. Nuclear Regulatory CommissionATTN: Do...

Diablo Canyon, Letter, Supplement 2 To License Amendment Request 00-06, "Alternate Repair Criteria For Axial Primary Water Stress-Corrosion Cracking (PWSCC) At Dented Intersections in Steam Generator Tubing"

May 1, 2001Mr. Gregory M. RuegerSenior Vice President, Generation andChief Nuclear OfficerPacific Gas and Electric CompanyDiablo Canyon Nuclear Power PlantP. O. Box 3Avila Beach, CA 94177SUBJECT: DIABLO CANYON NUCLEAR POWER PLANT, UNIT NOS. 1 AND 2 -SUPPLEMENT 2 TO LICENSE AME...

Diablo Canyon Unit 1 and 2, License Amendment 27 and 26, Revising Limiting Conditions for Operation for the Pressurizer Power-Operated Relief Valves and Clarify Requirements for Startup Reports.

January 5, 1988Docket Nos.: 50-275 and 50-323 Mr. J. D. Shiffer, Vice President Nuclear Power Generation c/o Nuclear Power Generation, Licensing Pacific Gas and Electric Company 77 Beale Street, Room 1451 San Francisco, California 94106 Dear Mr. Shiffer:DISTRIBUTION Docket Fil...

Forwards Rev 1 to TR WCAP-12526, "Auxiliary Salt Water & Component Cooling Water Flow & Temp Study for Diablo Canyon Units 1 & 2" to assist NRC in review of LAR 94-01 submitted by util 940110 ltr to revise TS 3/4.3.2 & 3/4.6.2.3.

ACCELERATED DISTRJBUTION DEMONST'RATION SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)RI:'D;SZ.SUBJECT: Forwards Rev 1 to TR WCAP-12526, "Auxiliary Salt Water &Component Cooling Water Flow 6 Temp Study for Diablo 'CanyonUnits 1 S2"to assist NRC in review of LAR 94-01...

Letter to Bill Lockyer, Attorney General, State of California, concerns the proposed independent spent fuel storage installation at Diablo Canyon NPP

April 15, 2003Bill Lockyer, Attorney GeneralState of CaliforniaDepartment of Justice1515 Clay Street, 20th FloorP. O. Box 70550Oakland, California 94612Dear Mr. Lockyer:I have received your letter of February 28, 2003, addressed to Richard A. Meserve. Dr.Meserve has left the...

Diablo Canyon, Units 1 and 2 - Relief Request NDE-SFW-13, ASME Code Section XI, Request for Alternative to Allow Use of Alternate Examination Requirements, Third 10-Year Inservice Inspection Interval (TAC MF3284 and MF3285).

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 September 16, 2014 Mr. Edward D. Halpin Senior Vice President and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 56, Mail Code 104/6 Avila Beach, CA 93424 SUBJECT...

Diablo Canyon Power Plant, Units 1 and 2 - Request for Additional Information, Review of Physical Security Plan (PSP), Training and Qualification Plan (T&QP), and Safeguards Contingency Plan (SCP), Revision 6.

From: Sebrosky, Joseph Sent: Thursday, July 12, 2012 3:21 PM To: 'Soenen, Philippe R'; 'Schrader, Kenneth' Cc: Lent, Susan; Burkhardt, Janet; Baldwin, Thomas (DCPP); Crockett, Jack; Schnetzler, Bonnie Subject: Request for Additional Information associated with physical securit...