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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, Unit 1 - Notification of Full Compliance with Commission Order Modifying Licenses with Regard to Requirements for Mitigation Strategies for Beyond-Design-Basis External Events.

Pacific Gas and Electric Company® January 05, 2016 PG&E Letter DCL-16-003 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Docket No. 50-275, OL-DPR-80 Diablo Canyon Unit 1 James M. Welsch Site Vice President EA-12-049 10 CFR 50.4 Diablo...

Notice of Appearance Catherine E. Kanatas on Behalf of the U.S. Nuclear Regulatory Commission in the Matter of Diablo Canyon, Units 1 and 2.

UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION BEFORE THE ATOMIC SAFETY AND LICENSING BOARD In the Matter of ) ) PACIFIC GAS AND ELECTRIC COMPANY ) Docket Nos. 50-275-LR/ 50-323-LR ) (Diablo Canyon Nuclear Power Plant, ) ASLBP No. ...

Notice of Appearance of Richard E. Ayres for Ayres Law Group and Counsel to Friends of the Earth in the Matter of Diablo Canyon, Units 1 and 2.

BEFORE THE UNITED STATES NUCLEAR REGULATORY COMMISSION BEFORE THE ATOMIC SAFETY AND LICENSING BOARD ____________________________________________ In the Matter of ) ) Docket Nos. 50-275-LR PACIFIC GAS & ELECTRIC COMPANY ) 50-323-LR ) (Di...

Notice of Appearance of John Bernetich on Behalf of the Friends of the Earth in the Matter of Diablo Canyon, Units 1 and 2.

BEFORE THE UNITED STATES NUCLEAR REGULATORY COMMISSION BEFORE THE ATOMIC SAFETY AND LICENSING BOARD ____________________________________________ In the Matter of ) ) Docket Nos. 50-275-LR PACIFIC GAS & ELECTRIC COMPANY ) 50-323-LR ) (Di...

FOIA/PA-2011-0187 - Redacted - Inspections of GE reactors at Japan Fukushima Dai-ichi and Fukushima Daini, inspections at Diablo Canyon, Indian Point, San Onofre, and Clinton.

Laurie Wiegler April 13, 2011 Donna L. Sealing/FOIA Privacy Officer U.S. Nuclear Regulatory Commission Mailstop T5-F09 Washington, DC 20555-0001 cc: Scott Burnell, NRC spokesman FOIA REQUEST Dear Ms. Sealing: I respectfully request access to records of the United States Nuc...

Diablo Canyon Units 1 and 2, Semi-Annual Fitness for Duty Performance Report for the Period of July through December 2005.

Pacific Gas andElectric Company'James R. Becker Diablo Canyon Power PlantVice President P. 0. Box 56Diablo Canyon Operations and Avila Beach, CA 93424Station DirectorFebruary 23, 2006 Fax: 805.545.4234PG&E Letter DCL-06-023U.S. Nuclear Regulatory CommissionATTN: Document Contr...

Diablo Canyon, Response Letter From A. Giambusso To Honorable Alan Cranston, Regarding Concerns Expressed By Constituent, Mrs. Araminta B. Snyder In Letter Dated August 4, 1973.

SEP6 1873Honorable Alan CransLonUnited States Senate,Dmr Senator Cranston:Ue aro pleaocd to reapond to your request rewarding concerns e3rpxassedby yourconn'tituent, -khs. Axaminta 3. Snyder, in hex letter to you ofAuguat 14, 19/3.%he ACmic 3?nervy'cEtEIisoion (ABC),Xn ita rev...

Diablo Canyon, Units 1 and 2, Response to Draft Requests for Additional Information (Sets 31 & 33) for License Renewal Application.

Pacific Gas and Electric Company® November 24, 2010 PG&E Letter DCL-1 0-147 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 Presi...

Diablo Canyon, Units 1 and 2 - Letter Furnishing Information Concerning Evaluation of Reactor Coolant System Design to Determine its Vulnerability to Over-pressurization Events

9SUA4 NUCLEAR REQULATORV COMMISSION(0NRC DISTRIBUTION FoR PART 50 DOCKET MATERIALDOCKET NUMBERF I LE NUMBE RIOIMr J F Sto+gfLETTE RQS R IGINALC3copv.ONOTORIZEDJRJNC LASSIF I EDPROP.Pacific Gas &plCoSan Francisco, CaliP .A Crane JrINPUT FORMDATE OFDOCUhPNiTODATE RECEIVEDNUMBER ...

10/14/10 Summary of Telephone Conference Call Held between NRC and Pacific Gas and Electric Company Concerning RAI Related to the Diablo Canyon Nuclear Power Plant, Units 1 and 2, LRA - Time-Limited Aging Analyses.

RfGU~ UNITED STATES -"0')).1. NUCLEAR REGULATORY COMMISSION g WASHINGTON, D.C. 20555-0001 ~ % l ~ November 17, 2010 ~" ~o**** .... LICENSEE: Pacific Gas and Electric Company FACILITY: Diablo Canyon Nuclear Power Plant, Units 1 and 2 SUBJECT: SUMMARY OF TELEPHONE CONFERE...

Diablo Canyon, Units 1 & 2, Response to Letter dated November 28, 2011, Request for Additional Information Regarding 60-Day Response to NRC Bulletin 2011-01, "Mitigating Strategies."

Pacific Gas and Electric Company® December 21,2011 PG&E Letter DCL-11-139 u.s. Nuclear Regulatory Commission ATTN: Document Control Desk 11555 Rockville Pike Rockville, MD 20852 Docket No. 50-275, OL-DPR-80 Docket No. 50-323, OL-DPR-82 Diablo Canyon Units 1 and 2 Kenneth J. Pe...

Summary of Telephone Conference Call Held on 9/27/10 btw the USNRC and Pacific Gas and Electric Company Concerning the D-RAI Related to the Diablo Canyon Nuclear Power Plant, Units 1 and 2, LRA - Aging Management Review.

~~p.~ REOv<., UNITED STATES .... NUCLEAR REGULATORY COMMISSION t!" WASHINGTON, D.C. 20555-0001 it October 15, 2010 "'., ~o ****.. LICENSEE: Pacific Gas and Electric Company FACILITY: Diablo Canyon Nuclear Power Plant, Units 1 and 2 SUBJECT: SUMMARY OF...

Diablo Canyon - Submittal of Appendix B to the Report LL-41 "Probabilities of Peak Site Accelerations Based on the Geologic Record of Fault Dislocation.".

I NRCFOAM|'895I2-78 IU,S. NUCLEAR REGULATORY CO ION CICC~UMBNRCiDISTRIBUTION FoR PART 50 DOCKET MATERIALF I LE NIIIBETO:Mt. John F, StolzFROM:Pacific Gas & Electric CoSan Francisco, CaliforniaPE Ao CraneOATE OF OOCUMENT10/21/77OATE RECEIVED10/25/77BETTE R EORIGINALCOPYOESCRIPT...

Diablo Canyon, Units 1 & 2 and Independent Spent Fuel Storage Installation, Revision 10 of the Physical Security Plan, Training and Qualification Plan Safeguards Contingency Plan, and Independent Spent Fuel Storage Installation Security Program.

SAFEGUARDS INFORMATIONENCLOSURE 1 CONTAINS SECURITY-RELATED INFORMATION -WITHHOLD UNDER 10 CFR 2.390.ENCLOSURE 2 TO THIS LETTER IS SAFEGUARDS INFORMATION.Pacific Gas andElectric Company'James M. Welsch Diablo Canyon Power PlantSite Vice President Mail Code 104/6P. 0. Box 56Avi...

Diablo Canyon Power Plant - NRC Temproray Instruction 2515/183 Inspection Report 05000275/2011006 and 05000323/2011006.

May 13, 2011 Mr. John T. Conway Senior Vice President and Chief Nuclear Officer Pacific Gas and Electric Company 77 Beale Street, B32 San Francisco, CA 94105 Subject: DIABLO CANYON POWER PLANT - NRC TEMPORARY INSTRUCTION 2515/183 INSPECTION REPORT 05000275/2011006 AND 05...

Letter Requesting Comment on Mr. Chase's Concerns About the Diablo Canyon Nuclear Power Plant.

~"0FROM:Sen. Alan Cranston'ONRCACTION CONTROL DATESFINAL REPLYF II-E LOCATIONcOMPL DEADLINE8/23/77ACKNOWLEDGMENTINTERIM REPLYCONTROL NO.DATE OF DOCUMENT8/5/77'REPAREFOR SIGNATUREOF:0 CHAIRMANQEXECUTIVE DIRECTORDESCRIPTIONQ LFTTERQ MEMOQREPORTQOTHEREncl ltr fm Frederic A. Chase...

Diablo Canyon, Reply Letter to February 20, 1976 Letter regarding Concern about Safety.

Docket Nos. 50-27San/~50-323MAR 10 1976DistributionNRC PDRLocal PDRNRR ReadingBCRuscheEGCaseJBMillerHDenton.RHeinemanVStelloDPAllisonDLTibbittsEIGoulbourne (w/cyofincoming).MGroff (HRR-722)EHughes (N/cyof incoming)SHillODParrMlaassMr. Harold T. Orr814 Sierra MadreSanta hhria, ...

Diablo Canyon Nuclear Power Plant, Units 1 and 2 - Request for Extension of Time to Reply to November 5, 2004, ORDER Imposing Requirements for Protecting Certain Safeguards Information.

EA-04-190 April 11, 2005Mr. Gregory M. RuegerSenior Vice President, Generation and Chief Nuclear OfficerPacific Gas and Electric CompanyP.O. Box 770000San Francisco, CA 94177SUBJECT: DIABLO CANYON NUCLEAR POWER PLANT, UNITS 1 AND 2 - REQUESTFOR EXTENSION OF TIME TO REPLY TO ...

Diablo Canyon Units 1 and 2, Letter Submitting Additional Response to Question 3.120 from Letter of November 10, 1977.

~yg/7PgPREGULATORY INFORMATION DISTRIBUTION SYSTEM is 27.5 ksi the steam generator column supportsare ad quate. The column material is A 618 Gr 2.'hepipingstress range resulting from the thermal case is 32.0ksi comparedwith the ANSX B31.1 allowable expansion stress range of 38...

Diablo Canyon Nuclear Plant, Units 1 and 2 - Updated Distribution List for Environmental Report Supplements and Amendments.

0Docket Hos.j5g-275and50-328'ISTRIBUTION:/Docket Files (Environ)NOV16 1976NRC PDRLocal PDRJohn Gilltesenta tiv",U. S.Department of TransportationSuite 610bEmbarcadero Center'nbrancisco, Galsfornia 94111lDiablo Canyon'50-275& 323NOV16:19760'NVIROi'lilENTALPROTECTIOH. AGENCYChie...

Summary of Telephone Conference Call Held on July 1, 2010, Between the U.S. Nuclear Regulatory Commission and Pacific Gas and Electric Company Concerning Draft Request for Additional information Related to the Diablo Canyon Nuclear Power Plant, Units 1.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 July 22, 2010 LICENSEE: Pacific Gas and Electric Company FACILITY: Diablo Canyon Nuclear Power Plant, Units 1 and 2 SUBJECT: SUMMARY OF TELEPHONE CONFERENCE CALL HELD ON JULY 1, 2010, BETWEEN THE U.S....

Forwards "Chronic Toxicity Bioassay Rept Diablo Canyon Power Plant."

-_ g..Pacific Gas and Electric CompanyDaNo Canynn Poe PbatJohn D. Townsend*PO Ben 56wce PresdeM-0 a:do CanyonAva Be.vh CA 93424Opemhons and Pbot Mra;e:.805'545 4 00-.9June 2,1992PG&E Letter No. DCL-92130William R. Leonard, Executive OfficerCalifornia Regional Water Quality Con...

Forwards "Design Verification Program for Power Ascension - Diablo Canyon Nuclear Power Plant - Unit 1" & "Qualification Document Design Verification Program for Power Ascension," Vols 1-3.

REGULIA&kY I»VFORMATION DXSTRIBUTI SYSTEM (RIDS)ACCESSION iVBR: 92'01180520 DOCILE DATE; 8'2/01/13 VO'TIARIZED: NO DOCKEIT'.0F'ACZLI:50 275 Diab'lol CbhyopiNLjclea'r Power Pilant< Unit» 1< Pacific»Ga.'5000275»AUTH ~ NAMEI AUTHOR AFFIILII'A'TIONFURBUSHi<'il.H.Pia'cif i c Gbls I...

Diablo Canyon Emergency Plan, Revision 4, Section 5, Change 5: Sections 4 and 7, Change 4: Section 6, Change 3: Sections 1. 2 and 8, Change 2: and Appendix A. Change 1.

TREAT ASSENSITIVEINFORMATIONEnclosure 1PG&E Letter DCL-04-033DIABLO CANYON POWER PLANT, UNITS I AND 2,EMERGENCY PLAN CHANGE SUMMARYGENERAL CHANGE DESCRIPTIONSUBSTANTIVE CHANGES REQUIRING 50.54(q) EVALUATION* Titles, references, and editorial corrections were made as a result o...

Diablo Canyon Unit 1, Engineered Safety Feature Actuation - Component Cooling Water Pump Start Due to Personnel Error, LER 00-007-00

Pacific Gas andElectric CompanyDavid H. Oatley Diablo Canyon Power PlantVice President-Diablo Canyon PO Box 56Operations and Plant Manager Avila Beach, CA 93424November 13, 2000 805 545 6000PG&E Letter DCL-00-143U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWash...