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any previously issued diversity, equity, inclusion, or gender-related guidance on this webpage should be considered rescinded that is inconsistent with these Executive Orders.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

G20100103/LTR-10-0071/EDATS: SECY-2010-0114 - Ltr. Ed Mainland re: Stay Diablo Canyon License Renewal Process.

EDO Principal Correspondence ControlFROM: DUE: / / EDO CONTROL: G20100103DOC DT: 02/22/10FINAL REPLY:Ed MainlandJim StewartSierra Club CaliforniaTO:Chairman JaczkoFOR SIGNATURE OF : ** GRN ** CRC NO: 10-0071DESC: ROUTING:Diablo Canyon License Renewal Process(EDATS: SECY-2010-0...

Forwards "Diablo Canyon Nuclear Power Plant Independent Design Verification Program," semimonthly rept for Sept 1982.

REGULATORY ORMATION DISTRIBUTION'SY.M('RIDS)f'ACCESSION NBR ~ 8209200924 DOCiDATE: 82/09/10 NOTARIZED: NO DOCKETFAOIL:50 275 Diablo Canyon NUclear lPower PlantiUni',t lg Pacific Ga 05000275'"AUTHNAME AUTHOR 'AFFILIATIONCOOPERgW~6'eITeledyne ~Engineering .ServicesiRECIP ~ NAME ...

"Diablo Canyon Power Plant Annual Environ Operating Rept (Part B) 1988." W/890426 ltr.

,.-,,QCCPLZRATZD~]STKBUT10N BE)dON TRATIO.i SYSTEMREGULA@)RY INFORMATION DISTRIBUT SYSTEM (RIDS)ACCESSION NBR:8905030186 DOC.DATE: NOTARIZED: NO DOCKETgFA(IL'.50-275 Diablo Canyon Nuclear Power Plant, Unit 1, Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power Plant, Unit 2,...

Diablo Canyon Power Plant, Units 1 and 2 - 2019 Annual Radiological Environmental Operating Report

Paula Gerfen Site Vice President Nuclear Generation Diablo Canyon Power Plant P.O. Box 56 Avila Beach, CA 93424 805.545.4596 E-Mail: Paula.Gerfen@pge.com A member of the STARS Alliance Callaway x Diablo Canyon x Palo Verde x Wolf Creek April 16, 2020 PG&E Lette...

Notification of Upcoming Performance Assessment Public Meeting with Pacific Gas & Electric Company re: Diablo Canyon.

June 22, 2006THIS LETTER WAS ISSUED TO THOSE ON THE ATTACHED LIST.SUBJECT: NOTIFICATION OF UPCOMING MEETINGSDear Sir:Each year, the U.S. Nuclear Regulatory Commission (NRC) conducts an integratedassessment of nuclear power plant performance. This assessment is based upon the...

Diablo Canyon, Units 1 and 2 - Letter Responding to K. Ho Regarding Notification of NRC's Decision Relative to Re-Examination of Diablo Canyon Plants After Discovery of Underwater Fault.

Docketllos'.50-275and 50-323Vis. Kay HoP.'0.Box 150Rosendale, New York 12ll72Dear Hs. Ho:Jl}N 1 1978DistributionDocketFilb~'WR83 FileNRC PDR"Local /DRNRR ReadingBRuscheECase3MillerRBoydRCDeYoungODParrDAllisonEIGoulbourne0MGroff NRR-909EHughesSH111HDentonRHeinemanVStelloELDI am...

Diablo Canyon Power Plant, Units 1 and 2 - NRC Initial Operator Licensing Examination Approval 05000275/2016302; 05000323/2016302.

UNITED STATES NUCLEAR REGULATORY COMMISSION REGION IV 1600 E LAMAR BLVD ARLINGTON, TX 76011-4511 October 4, 2016 Mr. Edward D. Halpin, Senior Vice President, Generation and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 56, Mail...

Comment (50) by Christian Fine Opposing Re-Licensing of the Diablo Canyon Power Plant.

9/1/2015 9/1/2015N RC-2009-0552-DRAFT-0043.htmJAs of: 9/1/15 4:45 PMRprpivpti- Aiiolif 9/I 9015PUBLIC SUBM ISSION ... Status:'... Pending Post'...'..Tracking No. ljz-8kq4-amp8Comments Due: August 31, 201Submission Type: WebDocket: NRC-2009-0552Notice of Receipt and Availabili...

Diablo Canyon, Units 1 & 2, Technical Specification.

Definitions 1.1 1.1 Definitions (continued)DOSE EQUIVALENT 1-131 E -AVERAGE DISINTEGRATION ENERGY ENGINEERED SAFETY FEATURE (ESF) RESPONSE TIME LEAKAGEDOSE EQUIVALENT 1-131 shall be that concentration of 1-131 (microcuries/gram) that alone would produce the same thyroid dose a...

Diablo Canyon Nuclear Plant - Letter Confirmation Discussion Regarding the Findings of investigation.

Mr. Jess R. McCammond134 Coronado LaneTustin, California 92680Dear Mr. McCammond:This letter is to confirm the discussion Mr. J. L. Crews of this officeheld with you on May 28, 1974'egarding the findings of our investiga-tion into the complaints you brought to the AEC'sattenti...

07/02/2008 Notice of Meeting Between the NRC and the Public Regarding Diablo Canyon Power Plant.

June 4, 2008 SUBJECT: MEETING WITH MEMBERS OF THE PUBLIC FACILITY: Diablo Canyon Power Plant DOCKETS: 50-275; 50-323 DATE AND TIME: July 2, 2008 6:30 p.m. LOCATION: Embassy Suites Hotel 333 Madonna Road San Luis Obispo, CA 93405 PURPOSE: This meeting is b...

Forwards "Second Quarter 1997 Rept on Discharge Monitoring at Diablo Canyon Power Plant," IAW Order 90-09,NPDES Number CA0003751.

CATEGORY 1REGULATOR INFORMATION DISTRIBUTION APEM (RIDE)ACCESSION NBR:9707250021 DOC.DATE: 97/07/18 NOTARIZED: NO DOCi(ETFACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit 1, Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power Plant, Unit 2, Pacific Ga 05000323AUTH. NAME A...

Diablo Canyon, Units 1 and 2 - 2011 Annual Radioactive Effluent Release Report.

/Pacific Gas andElectric Company' James R. Becker Oiablo Canyon Power PlantSite Vice President Mail Code 104/6P. 0. Box 56Avila Beach, CA 93424April 30, 2012 805.545.3462Internal: 691.3462Fax: 805.545.6445PG&E Letter DCL-12-040U.S. Nuclear Regulatory CommissionATTN: Document C...

Press Release-IV-07-022 - NRC to Hold Two Public Meetings about the Diablo Canyon Nuclear Plant on June 26.

NRC NEWS U. S. NUCLEAR REGULATORY COMMISSION Office of Public Affairs Region IV 611 Ryan Plaza Drive - Suite 400 Arlington, TX 76011-4005No. IV-07-022 ...

Diablo Canyon Units 1 & 2 Supplement 1 to License Amendment Request 01-04 Revision to Technical Specifications 3.9.4 Containment Penetrations.

SPacific Gas and Electric Company,. Gregory M. Rueger US Mail: Senior Vice President- Mail Code B32 Generation and Pacific Gas and Electric Company Chief Nuclear Officer P0 Box 770000 February 26, 2002 San Francisco, CA 94177-0001 Overnight Mail Mail Code B32 Pacific Gas and ...

Monthly operating repts for Sept 1995 for Diablo Canyon Units 1 & 2.W/951016 ltr.

yPRT.ORE TT(ACCELERATED RZDS PROCESSING)~[2iREGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDE)S 4FACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit 1,Pacific Ga50-323 Diablo Canyon Nuclear Power Plant, Unit 2,Pacific GaAUTH.NAME'UTHOR AFFILIATIONEUBANK,T. Pacific Gas & Electr...

"Second Quarter 1996 Rept on Discharge Monitoring at Diablo Canyon Power Plant." W/960719 ltr.

CATEGORY1gREGULATE INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:9607300041 DOC.DATE: 96/06/30 NOTARIZED: NOFACIL:50 275 D1ablo Canyon Nucl)ear Powel Plan'tUnit 1E Pacific Ga50-323 Diablo Canyon Nuclear Power Plant, Unit 2, Pacific GaAUTH. NAME AUTHOR AFFIL)ATIONPOWERS,R...

Forwards "Diablo Canyon Power Plant Long-Term Seismic Program," quarterly Progress Rept 11,reflecting work performed from 880201-0430.

'bjgACCELERATE DIS1%BUTIONDEMONSTRATIONSYSTEMREGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR: 8806210064 DOC. DATE: 88/06/16 NOTARIZED: NOFACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit 1,Pacific Ga50-323 Diablo Canyon Nuclear Power Plant, Unit 2,Pacific Ga...

2010/03/12 Diablo Canyon LR - Random Sample Exercise for Upcoming Audit

1DiabloCanyonNPEm ResourceFrom: Green, KimberlySent: Friday, March 12, 2010 12:37 PMTo: Grebel, Terence; Soenen, Philippe RSubject: Random Sample Exercise for Upcoming AuditAttachments: Diablo Canyon Random Sample for M and E.xls; Diablo Canyon Random Sample for scoping and sc...

Monthly operating repts for Feb 1997 for Diablo Canyon, Units 1 & 2.W/970317 ltr.

CATEGORY 1REGULRTOIOZNEORMRTION DISTRIBUTION TEM (RIDE)jACCESSION. NBR:9703240179 DOC.DATE: 97/02/28 NOTARIZED: NO DOCKET~FACIL:,50-275 Diablo Canyon Nuclear Power Plant, Unit 1, Pacific Ga 05000275'0-323Diablo Canyon Nuclear Power Plant, Unit 2, Pacific Ga 05000323AUTH.NAME A...

Diablo Canyon, Units 1 & 2, License Amendment, Unit Staff Qualifications Requirements.

May 26, 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: UNIT STAFF QUALI...

IR 05000275-13-005 and 05000323-13-005, Diablo Canyon Power Plant -NRC Integrated, Errata.

July 25, 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 – NRC INTEGRATED INSPECT...

Diablo Canyon, Units 1 and 2, Twenty-Day Answer to NRC Order for Interim Safeguards and Security Compensatory Measures.

Pacific Gas and Electric Company David H. Oatley Diablo Canyon Power Plant Vice President PO. Box 56 Diablo Canyon Operations Avila Beach, CA 93424 805.545.4350 March 18, 2002 Fax: 805.545.4234 PG&E Letter DCL-02-028 U.S. Nuclear Regulatory Commission ATTN: Document Control De...

05/07/2001 Diablo Canyon Units 1 & 2 AMD 9160 RCP Seal Injection Flow.

May 7, 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 -ISSUANCE OF AMENDMENT RE: R...

Diablo Canyon, Units 1 and 2, Independent Spent Fuel Storage Installation - Emergency Plan Facilities and Equipment Update, Section 7

E-Plan Section 7 - Diablo Canyon Power Plant Emergency Plan Emergency Facilities and Equipment 7.5.5 Radiological Counting Room Page 44 of 68 The plant has extensive counting room equipment that is used for routine radiochemical determinations. This equipment could also be use...