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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any previously issued diversity, equity, inclusion, or gender-related guidance on this webpage should be considered rescinded that is inconsistent with these Executive Orders.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

Forwards Insp Rept 50-275/86-25 on 860825-29.No violations noted.

m. ,,_ .; .<",- .j *g' 3d', , ,,.m:,pc ~:m . ,a*,,;'s . g*~,rtR'SEP 171986'_1,,1..f',, ,,,2 -,,*1Docke't No. 50-275*., .s,Pacific Gas and Electric Company77 Beale StreetRoom 1451San Francisco, California 94106Attention: Mr. J.:D. Shiffer, Vice PresidentNuclear Power Generation...

Discusses requirement of License Condition 2.C.(8).n, "Sequential Auxiliary Feedwater Flow Analysis." Util believes that condition met prior to issuance of OL for Unit 1.

REGULAT 'NFORMAlfION DISTRIBUTION STEM (R IDS)AOCESSION NBR:8206070269 DOC ~ DATE: 82/06/01 NOTARIZED:NO'OCKETFACIL:50-275 Diablo Canyon Nucleary Power PlantiUnit'E Pacific Ga 0500027550"323 Diablo Canyon Nuclear Power Planti Unit 2g Pacific Ga 05000323'AUTH, NAME AUTHOR AFFIL...

Limited Appearance Statement of Russ Ferriday

HEARINGOOCKET - NRC meeting march 23rd 2003 - Diablo Canyon, CA sign up PageijFrom: To: Date: Subject: Dear Sirs,DOCKET NUMBER . PROD. & TILM 7 Russ Ferdday , , Wed, Feb 26, 2003 7:02 PM NRC meeting march 23rd 2003 - Diablo Canyon, CA. sign upDOCKETED USNRC February 27, 2003 ...

San Luis Obispo Mothers for Peace, Petitioner, v. USNRC, Respondents; No. 08-75058 - Petition for Review.

UNITED STATES COURT OF APPEALSFOR THE NINTH CIRCUIT FILEDDEC 15 2008MOLLY C. DWYER, CLERKU.S. COURT OFAPPEALSSAN LUIS OBISPO MOTHERS FOR PEACE,Petitioner,V.UNITED STATES NUCLEAR REGULATORYCOMMISSION and the UNITED STATESOF AMERICA,Respondents)))))) No.08-75058))))PETITION FOR ...

Notice and Order (Scheduling Oral Argument).

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

Revised Schedule for Reactor Vessel Closure Head Penetration Inspection.

SPacific Gas and Electric Company David H. Oatley Diablo Canyon Power Plant Vice President-Oiablo Canyon PO. Box 56 Operations and Plant Manager Avila Beach, CA 93424 December 12, 2000 805.545.4350 PG&E Letter DCL-00-156 U.S. Nuclear Regulatory Commission ATTN: Document Contro...

Ltr. to Halpin Regarding Closure of Investigation (OI 4-2012-016).

UNITEO STATES NUCLEAR REGULATORY COMMISSION REGION IV 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 1600 EAST LAMAR BLVO ARLINGTON, TEXAS 76011·...

Region IV Operator Licensing Examination and Inspection Schedule (from Oct 16).

Page 1 of 44Report 2110/11/2016 07:34:28From 10/01/2016 To 10/31/2018Operator Licensing Exam Schedule4 5 Examiners Assigned Chief Examiner Exam Author # Candidates Exam Week Type Site/Docket No./Insp Rpt #Region: Phase Code:NNN 01/01/2016 River Bend / 05000458 / 2016301 Prep T...

Package of citizen petitions urging denial of facility OL, Vol 7.

/STOP TW DIABLO CANYON NUCLEAR POWER PLANT444444 .;f44444|N(,__ ,We the undereigned, as citizens of the State of California and ratepayers of Pacific$lGas and Electric Company, believe that the Nuclear Regulatory Comerission and P.G.&E.|-ehould not attou the Diablo Camjon Nucl...

Forwards Rev to "Evacuation Time Assessment For Transient & Permanent Population From Various Areas Within Plume Exposure Pathway Emergency Planning Zone," 1990 update.

~CCRC,mw OOCmmm DISTR UTIONSYSTEM'EGULAY INFORMATION DISTRIBUTI YSTEM (RIDS)~'CCESSIONNBR:93d'860096 DOC.DATE: 93/07/16 NOTARIZED: NO DOCKET¹FACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit 1, Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power Plant, Unit 2, Pacific Ga ...

Submits piping schematics to update plant drawings for Units 1 & 2.W/57 drawings encl.

CATEGORY jREGULAT INFORMATION DISTRIBUTIO YSTEM (RIDS)ACCESSION NSR:9701220261 DOC.DATE: 97/01/14 NOTARIZED: NO DOCKET0FACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit 1, Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power Plant, Unit 2, Pacific Ga 05000323AUTH.NAME AUTH...

"Annual Environ Operating Rept (Part B),1984." W/850429 ltr. Related correspondence.

DIABLO CANYON POWER PLANTANNUAL ENVI RONf lENTAL OPERATING REPORT(Part B)1984PACIFIC GAS AND ELECTRIC COMPANY850607044484123kPDRADOCK05000275',RPDRNPOP47/Al0I EPACIFIC GAS AND ELECTRIC COMPANYDIABLO CANYON POWER PLANT1984 ANNUAL ENVIRONMENTAL (NON-RADIOLOGICAL) OPERAfING REPOR...

Letter submitted by Franklin and Pat Frank regarding Proposed Rule PR 72 regarding List of Approved Spent Fuel Storage Casks; Standardized Advanced NUHOMS-24PT 1Addition.

HEARINGDOCKET - Hearing on the Diablo Canyon ISF5 Page.1DOCKETED USNRCFrom: "Pat& Fred Frank" To: Date: Sat, Apr 27, 2002 1:54 PM Subject: Hearing on the Diablo Canyon ISFSI Secretary of the NRC: This is to request a hearing in San Luis Obispo, California on the proposed PG&...

Urges licensing of facility.

February 10, 1981Dear Chairman Ahearne:Like the concerned mother who believed if.'itaminsare good, a lot of vitamins are better and proceededto destroy her children with massive doses, thefederal government believes that if regulation isgood, overregulation must be better, and...

Forwards response to NRC 880819 request for addl info re DCRDR.Util believes that plant DCRDR meets all of NUREG-0737,Suppl 1 requirements,including human engineering discrepancy assessment & selection of design improvements.

AC CELERATED~tSTRIEIUTI0> DEMON+'%ATION SYSTEMREGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)IControl Desk)ACCESSION NBR:8901100323 DOC.DATE: 89/01/05 NOTARIZED: NOFACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit 1, Pacific Ga50-323 Diablo Canyon Nuclear Power Plant, Uni...

Answers to CA Governor Brown 810220 interrogatories & document production requests re util,state & local emergency response plans.Objects to document production request. Certificate of Svc encl.Related correspondence.

,cpI'4n"L~xQbw Pf~~e gggyS~4~TED CPOD@)ENPPyl~l~~UNITED STATES OF AMERICANUCLEAR REGULATORY COMMISSIONO+1>~QDt1~g>t~'og5'«-.gtheSe".

Affidavit re Joint Intervenors' Contentions 4 & 5 on emergency planning & preparedness.Prof qualifications encl.

UNITED STATES OF AMERICANUCLEAR REGULATORY COMMISSIONBEFORE THE ATOMIC SAFETY AND LICENSING BOARDIn the Matter ofPACIFIC GAS AND ELECTRIC COMPANY(Diablo Canyon Nuclear PowerPlant, Unit Nos. l and 2)Docket Nos.'0-275 O.L.50-323 O.L.(Low-Power Test Proceeding)AFFIDAVIT OF DR. WI...

Petitioners' Excerpts of Record, Volume I of III, dated 12/5/02.

IN THE UNITED STATES COURT OF APPEALSFOR THE NINTH CIRCUITNo. 02-72735PUBLIC UTILITIES COMMISSION OF THE STATE OF CALIFORNIA,ANDCOUNTY OF SAN LUIS OBISPOPetitioners-Appellants.V.US. NUCLEAR REGULATORY COMMISSION,Defendants-Appellees,PACIFIC GAS AND ELECTRIC COMPANY, et a.Inter...

Forwards Rev 0 to Calculation N-NCM-97010, "RCS Pressure/ Temp Limits Heatup/Cooldown Curves for TS 3/4.4.9 Update," in response to NRC 990126 RAI re LAR 98-06 dtd 980903.

'sCATEGORY 1REGULAI'ORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:9902160200 DOC.DATE: 99/02/05 NOTARIZED: YES DOCKET ¹FACIL:50-275 Diablo Canyon Nuclear. Power Plant, Unit 1, Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power Plant, Unit 2, Pacific Ga .05000323AU...

Ack 831230 response to concerns over emergency response plan at plant,including FEMA response from R Vickers.FEMA response inadequate re evacuation time considerations & evacuation routes.

~.**.'...t*.'RE0EiVE0- .W..!!M Jf.N I2 N 12 Y-January 9, 1984G L. . P'-..John B. MartinEngianal AdministratorUnited States Nuclear*Regulatory CommissionRegion V1450 Maria Lane, Suite 210Walnut Creek, CA 94596-5368Dear Mr. Martin:My' appreciation fo'r your December 30, 1983 let...

02/04/2004 Summary of Public Meetings With Pacific Gas & Electric Company re Results of Special Report Submitted Following 12/22/2003 Earthquake Near San Simeon, California & NRC Inspection Conducted Following Earthquake.

UNITED STATESNUCLEAR REGULATORY COMMISSIONREGION IV611 RYAN PLAZA DRIVE, SUITE 4006' ARLINGTON, TEXAS 76011-4005February 13, 2004Gregory M. Rueger, Senior VicePresident, Generation and Chief Nuclear OfficerPacific Gas and Electric CompanyDiablo Canyon Power PlantP.O. Box 3Avil...

Forwards, "1996 Annual Radiological Environ Operating Rept."

CATEGORY j.REGUDSTd ZNEORMATZON DZSTRZEZ)TZON OSTEM (RZDS)ACCESSION NBR: 9705080118 DOC. DATE: 97/04/30NOTARIZED'".WO „DOCKETFACIL:-50-275 Diablo Canyon Nuclear Power Plant, Unit 1, Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power Plant, Unit 2, Pacific Ga 05000323AUTH.NA...

Rev 5 to "Inservice Insp & Testing Program Plan First 10-Yr Insp Interval."

REVISION 5January, 1987INSERVICE INSPECTION AND TESTINGPROGRAM PLANFIRST TEN-YEAR INSPECTION INTERVALDIABLO CANYON POWER PLANTUNIT 1USNRC DOCKET NO. 50-275FACILITY OPERATING LICENSE NO. DPR-80COMMERCIAL OPERATION DATE: May 7, 1985ISI Prepared by:IST Prepared by.Reviewed by:App...

Forwards personal qualification statement for renewal of reactor operator license for CE Newman,per 10CFR55.10 & 55.33.Related correspondence.

5 76YIgEUJ1Dr)CCEESPONDOCPACIFIC OAS AND E LE C T RIC C O M P . 41 @ s( p p|77 BEALE STREET, SAN FR ANCISCO, C ALIFOR NI A 94106TE LEPHON E (415) 1 Ilg'85 JUN 25 A10:45lJune 12,19850FFICE OF SECHLiAri00CXEitNG & SERVICIPGandE Letter No.: DCL-85-211BRANCHMr. John B. Martin, Reg...

"Chronolgy of Events."

1--..5. .'%g-.'-1- . .,. .CHRONOLOGY OF EVENTS..Shell offshore geological-investigations which confirmexistence of the Hosgri fault1965-1970..*PG&E expert consultants suspectpotential existence of Hosgrifault.1967N,i .Application for Construc-tion Permit - Unit 1January 1967ss...