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The U.S. Nuclear Regulatory Commission is in the process of rescinding or revising guidance and policies posted on this webpage in accordance with Executive Order 14151 Ending Radical and Wasteful Government DEI Programs and Preferencing, and Executive Order 14168 Defending Women From Gender Ideology Extremism and Restoring Biological Truth to the Federal Government. In the interim, any previously issued diversity, equity, inclusion, or gender-related guidance on this webpage should be considered rescinded that is inconsistent with these Executive Orders.

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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 - Revisions to Emergency Plan (Enclosures 4, 5, 6, 7, 8, 9 & 10).

Enclosure 4PG&E Letter DCL-16-004PG&E Letter DIL-16-001Pacific Gas and Electric CompanyDiablo Canyon Power PlantEmergency Plan Section 5, Revision 4.17Organizational Control of EmergenciesE-Plan Section 5 - Diablo Canyon Power Plant Emergency Plan Page 1 of 49Organizational Co...

Diablo Canyon Nuclear Plant - Status of Licensing Procedure and Consideration of Points Raised by Mrs. Greenberg.

FROMGca. PhLUp 4EaaeCONTROL NUMBER FILE LOCATIONasm 10474DATE OF DOCUMENT TION COMPLETION DEADLINETO ACTION PROCESSING DATES3P'4~%Interim ReplyFfnalPREPARE FOR SIGNATURE OF:ChairmanDirector of RegvlatianX ~@CEIL*DESCRIPTION~QOrigfnal I:I Copy QO~herKaci XM Xa JJ.u, Cxaanba+ ey...

Diablo Canyon Land Stewardship Program Pecho Ranch Grazing Capacity Report 1991.

Issued:July 13. 1992TESDiablo Canyon LandStewardship ProgramPecho Ranch GrazingCapacity Report1991Prepared byMichael E. FrySenior Consulting BiologistPrepared forNuclear Operations SupportandGeneral ServicesDiablo Canyon Power PlantJuly 1992Pacific Gas and Electric CompanyTech...

Diablo Canyon - Submittal of Informal Information.

Distribution w enclosures:Doc iles 1NRC PDR (1)Local PDR(1)Docket Nos. 50-275and 50-323w/o enclosure 2:LI;JR 81 File-J. StolzD. AllisonIEJ. TourtellotteL. D. DavisI. SihweilJ. KnoxF. RosaSEP 7 1978MEMORANDUh1 FOR: J. Stolz, Chief, Light Mater Reactors Branch No. 1, DPHFROM: D....

Forwards, "Rept on Discharge Monitoring at Diablo Canyon During Month of Dec 1988" & "Incident Light Measurements - Fourth Quarter 1988."

;(c'cd~ RATED D1SJBUTJ 0N DE M04STRATID.'i &'FTEMrREGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:8902070361 DOC.DATE: 89/01/20 NOTARIZED- NO DOCKETFACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit 1, Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power Plan...

IR 05000275-13-404 and 05000323-13-404, on 12/02/2013, Diablo Canyon Power Plant, NRC Security Inspection Report.

OFFICIAL USE ONLY – SECURITY-RELATED INFORMATION “Enclosure transmitted herewith contains SUNSI. When separated from enclosure, this transmittal document is decontrolled.” OFFICIAL USE ONLY – SECURITY-RELATED INFORMATION January 7, 2014 Mr. Edward D. Halpin Senior...

Request to Speak on Public Hearings Concerning Diablo Canyon Nuclear Power Plant.

l;~ .:t< 7,'s~J:;1PSHi~."t0,& O',IL.(AC~-'.'.!0$3624 Ocean DriveOxnard, Ca1ii'ornia 930'30September19, 1978U.H. Nuclear Regulatory Commission.Office of Nuclear Reactor., RegulationVlashington, D.C. 2055$Dear Sirs~I am interested in receiving some information from youroffice. I...

Diablo Canyon, Units 1 and 2, 2012 Annual Nonradiological Environmental Operating Report.

Pacific Gas and Electric Company® April 30, 2013 PG&E Letter DCL-13-045 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Docket No. 50-275, OL-DPR-80 Docket No. 50-323, OL-DPR-82 Diablo Canyon Power Plant, Units 1 and 2 Barry S. Allen Si...

INDEPENDENT SEISMIC EVALUATION OF THE DIABLO CANYON UNIT 1 CONTAINMENT ANNULUS STRUCTURE AND SELECTED PIPING SYSTEMS.

_ _ _ _.;NUREG/CR-2834;BNL-NUREG-51566IndependentSeismic Evaluationof the Diablo CanyonUnit 1Containment Annulus Structureand Selected Piping Systems,,Prepared by A. J. Philippacopoulos, M. Reich, P. Bezier, C. Miller, Y. K. Wang, M. Subudhi,S. Shteyngaq, P. BrownBrookhaven Na...

Comment (45) of Allen Myers Opposing the Diablo Canyon Nuclear Plant License Renewal.

9/1/20159/1/015N RC-2009-0552-D RAFT-0038.htmlAs of: 9/1/15 4:43 PMRpgpivpd; AniQ]1t9 90 211PUBLIC SUBMISSION Status: PendingPostTracking No. ljz-8kpw-2shmComments Due: August 31, 2015Submission Type: WebDocket: NRC-2009-0552Notice of Receipt and Availability of Application fo...

Notice and Order (Scheduling Oral Argument), in the Matter of Diablo Canyon, Units 1 and 2.

UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION ATOMIC SAFETY AND LICENSING BOARD Before Administrative Judges: Paul S. Ryerson, Chairman Nicholas G. Trikouros Dr. Gary S. Arnold In the Matter of PACIFIC GAS & ELECTRIC COMPANY (Diablo Canyon Nuclear Power Plant, U...

Diablo Canyon, Units 1 and 2 - Letter Transmitting 15 Copies of Information Requested Concerning Consideration of Secondary System Fluid Flow Instability in Diablo Canyon Design.

NRC DISTRIBUTION FOR PART 50 DOCKt ) MATERIAL(TEMPORARY FORM)CONTROL NO:FILE

Diablo Canyon, Unit 2 - Submittal of Supplemental Analysis for Inservice Inspection Program Relief Request SWOL-REP-1 U2.

Attachments 1 and 2 to the Enclosure contain Proprietary Information -Pacific Gas and Withhold Under 10 CFR 2.390Electric Company'Barry S. Allen Diablo Canyon Power PlantSite Vice President Mail Code 104/6P. 0. Box 56Avila Beach, CA 93424June 11, 2014 805.545.4888' Internal: 6...

Diablo Canyon, Units 1 and 2, Updated Final Safety Analysis Report, Revision 20 and Technical Specification Bases, Revision 7.

Pacific Gas andElectric Company- James R. Backer Diablo Canyon Power PlantSite Vice President Mail Code 104/5/601P. O Box 56Avila Beach, CA 93424805.545.3462November 16, 2011 Internal: 691.3462Fax: 805.545.6445PG&E Letter DCL-1 1-117U.S. Nuclear Regulatory Commission 10 CFR 50...

Diablo Canyon, Units 1 and 2, License Amendments 186 and 188 regarding Auxiliary Feedwater System.

May 17, 2006Mr. John S. KeenanSenior Vice President and Chief Nuclear OfficerPacific Gas and Electric CompanyDiablo Canyon Power PlantP.O. Box 770000San Francisco, CA 94177-0001SUBJECT: DIABLO CANYON POWER PLANT, UNIT NOS. 1 AND 2 - ISSUANCE OFAMENDMENTS RE: THE AUXILIARY FEE...

Humboldt Bay Power Plant, Unit 3 & Diablo Canyon Units 1 and 2, - Appointment of Chief Nuclear Officer.

MPacific Gas andbuff/ Electric CompanyJanuary 5, 2006PG&E Letter DCL-06-002David H. CatleyVice President and General ManagerDiablo Canyon Power PlantP. 0. Box 56Avila Beach, CA 93424805.545.4350Fax: 805.545.4884U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashi...

Forwards "Diablo Canyon Verification Program," Semimonthly Rept 33 for 830223-0307.

REGULATOR 'NFORMAT ION DISTRIBUTION''EM(R IDS)ACCESSION NBR:8303?50061 DOC ~ DATE: 83/03/11 NOTARIZED; NO DOCKETFACIL:50-275 Diablo CanyonN'uclear Power Pl antg Uni t ii Paci fic Ga 05000?75AUTHBYNAMEAUTHOR AFFILIATIONCRANEiP,A, Pacific Gas L. Electric Co>R EC I P ~ N A LIE RE...

Summary Of Meeting Held On March 3, 1975 With EQSE Management To Discuss Diablo Canyon Geologic And Seismic Issues.

UNITEO STATESNUCLEAR REGULATORY COMMISSIONWASHINGTON, O. C. 20555HAR.0'5 1975DOCKET NOS: 50-275 AND 50-32APPLICANT: PACIFIC GAS AND ELECTRIC COMPANY (PGSE)FACILITY: DIABLO CANYON NUCLEAR POWER IZATION, UNITS 1 AND 2SUMMARY OF MEETING HELD ON MARCH 3, 1975 WITH EQSE MANAGEMEMZ ...

Letter from D. Caffiero Expressing Concern Over Location of Diablo Canyon Nuclear Power Plant Close to Hosgri Fault.

NRC FORM 196IZ-78)U.S. NUCI EAR REGULATORY C ISSION DOCKET NUMBERTOMr. Di AllisonFROM'onnaJ CaffieroSan Jose, CaliforniaNRC DIS. RIBUTION FDR PART 50 DOCKET MATERIALFILE NUMBERPSAR/FSAR Al~IDT DIST.DATE OF DOCUMENT9/27/77DATE RECEIVED10/19/77ODETTE RABORIGINALClcoPYDESCRIPTION...

PNO-IV-04-026A: Diablo Canyon Power Plant Units 1 and 2, Response to California Earthquake - Update.

September 29, 2004PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -- PNO-IV-04-026A This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interestsignificance. The information is as initially received without verification or eva...

Press Release-IV-10-002: NRC to Discuss Process for Review of License Renewal Application for Diablo Canyon Nuclear Plant.

NRC TO DISCUSS PROCESS FOR REVIEW OF LICENSE RENEWAL APPLICATION FOR DIABLO CANYON NUCLEAR PLANT The U.S. Nuclear Regulatory Commission staff will conduct two public meetings on Feb. 9, to discuss the agency’s review process for the license renewal application for the Diabl...

2010/04/09 - Comment (8) E-mail regarding Diablo Canyon LR Env. Scoping

1DiabloCanyonCEm ResourceFrom: Jim Stevens [JStevens@atascaderoglass.com]Sent: Friday, April 09, 2010 7:18 PMTo: Stuyvenberg, AndrewCc: LNB5@PGE.comSubject: Diablo CanyonAttachments: Diablo support letter.docPlease see attached letter of support for Diablo Nuclear Power plant....

Rev 11 to "IST Program Second Ten-Yr Interval Diablo Canyon Power Plant Units 1 & 2."

PIANT MANUALg)gb@Pr~rNii~aui~ UNITS 1 52NUCLEAR POWER GENERATIONflPCSEIW[ICETESTING0 0 00/:;96010300i3 95i229"~', .;" PDR~ ADOCK'5000275„'"ltlI'page 1 of 4SUMMARY OF CHANGES TO THE IST PROGRAM PLANW ~,REVISION 11SECOND TEN-YEAR INTERVALListed below are the significant revision...

"Reracking of Spent Fuel Pools,Diablo Canyon Units 1 & 2."

RERACKING OF SPENT FUEL POOLSDIABLO CANYON UNITS 3 AND 2PACIFIC GAS AND ELECTRIC COMPANYSAN FRANCISCO, CALIFORNIA94i06LiJ'IIlfSectionTABLE OF CONTENTSpaca e1.0 INTRODUCTION2.0 GENERAL ARRANGEMENT 2-13.0 RACK3 ~ 13 ~ 2CONSTRUCTIONFabrication Details3.1.1 Region 13.1.2 Region 2C...

Press Release-IV-06-016: NRC to Hold Two Public Meetings About the Diablo Canyon Nuclear Plant on July 25.

NRC NEWS U. S. NUCLEAR REGULATORY COMMISSION Office of Public Affairs Region IV 611 Ryan Plaza Drive - Suite 400 Arlington, TX 76011-4005No. IV-06-016 July 12, 2006Contact: ...