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any previously issued diversity, equity, inclusion, or gender-related guidance on this webpage should be considered rescinded that is inconsistent with these Executive Orders.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

Opposes licensing of facilities.

REGULATOR(NFORMATION DISTRIBUTIONTEM(RIDSIACCESSION NBR:8106260276- DOC ~ DATE! 81/06/2'0 NOTARIZED: NOFACIL(:50-?75. Diablo Canyon Nuclear Power» Plantr Unit ir .Pacific" GaK50:-323( Diablo C'anyon Nuclear Power( Planti Unit2'i, Pacific'aF 05000323AUTH',NAME! AUTHOR A F F ILI...

Response on behalf of Governor Brown supporting NRC 810223 request for directed certification of certain issues.Opposes util 810226 similar request.Issue re need for EIA should be directly certified.W/Certificate of Svc.

QaEFOPZ&aCO'nbb~0$UNITED STATES OF AMERICANUCLEAR REGULATORY COtRIISSIONBEFORE THE COHl':|ISSION(Diablo Canyon Nuclear PowerPlant, Unit Nos. l and 2))))Docket))))In the Matter ofPACIFIC GAS AND ELECTRIC COMPANY Nos.6-.LO.L.ogDOC<+~~ueQRG15198)Officeof theSecret 5'5pochetiapp $...

Summarizes 840319 meeting re Allegation RV-84-A-0043 concerning circumvention of QC procedures & intimidation & threats.Ltr to allegers discussing panel actions recommended.

_ _ _ _ .!!,-..March 21, 1984 .MD40RANDUM FOR: Diablo Canyon File.*FROM:Allegation Panel.SUBJECT:A1.1.EGAT10N RV-84-A-0043An allegation panel consisting of B. DoddsH. Canter, A. Johnson and O.Shackleton, along with observers, P. Morrill and C. Sorensen, convened onMarch 19, 19...

Requests relief from 10CFR50.55a(g)(4),by specifying that ASME boiler & pressure vessel code,Section XI,1977 edition w/addenda through Summer 1978,effective 801101,be applicable code for first 10-yr inservice insp interval.

REGULAT Y INFORMATION DISTRIBUTIO 'SYSTEM (RIDS)'A'CCKSSION NBR:80123004606 DOC ~ PATE: 80/12/23 NO aRIZKD:NO-:FACIL:50 275 Djablo Canyon Nuclear Power P'lant'nit ir Pacific G 0 0002,50-323 Diablo Canyon Nuclear Power Planti Unit 2i Pacific GaAUTH,NAME AUTHOR AFFILIATIONCRANEg...

Responds to NRC 980930 RAI re GL 97-01, "Degradation of CRDM/CEDM Nozzle & Other Vessel Closure Head Penetrations." Licensee program for assessing vessel head penetration nozzles is consistent with WOG integrated program.

CATEGORY 1REGULA'l~ Y INFORMATION DISTRIBUTION~ SYSTEM (RIDS)ACCESSION NBR:9901060141 DOC.DATE: 98/12/29 NOTARIZED: YES DOCKET ¹FACIL:50-275 Diablo'anyon Nuclear Power Plant, Unit 1, Pacific Ga 0500027550-)23 Diablo Canyon Nuclear Power Plant, Unit 2, Pacific Ga 05000323AUTH.N...

Comments on Governor EG Brown 790504 ltr to JM Hendrie. Request for extraordinary action of singling out plant for suspension of licensing proceedings is unsubstantiated.

1-.St27(D3 d4.;. .m .. ..PACIFIC G AS ANDELECTR,IC C O M PANY77 SEALE STREET * SAN F R A N CI S CO, C A LIFO R NI A 9 410 6" ~.7.I.*f 7 "..,,,e..pE O o.May 11, 1979@ g.c .. ... c omQg,ggg$$'NggO@yg b\' ~~-The Honorable Joseph M. Hendrie,g9NChairman;e sNuclear Regulatory Commis...

FOIA/PA-2014-0488 - Resp 6 - Final, Group N.

Group NFOIAIPA NO: 2014-0488RECORDS BEING RELEASED IN THEIR ENTIRETYPace, PattiFrom: Gilues, NanetteSent: Wednesday, September 03, 2014 2:10 PMTo: Heiton, ShanaSubject: RE: Briefing on Diablo Canyon Shoreline FaultShana,Note that the staff is bringing nine people for this brie...

Forwards application for amends to Licenses DPR-80 & DPR-82, consisting of License Change Request 91-05,revising TS 3/4.2.2,3/4.2.3,3/4.10.2 & 3/4.6.9.1.8 to add parameters to core operating limits rept,per Generic Ltr 88-16.

ACCELERATEDSTRIBUTIONDEMONTION SYSTEMREGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:9106180424 DOC.DATE: 91/06/05 NOTARIZED: YES DOCKETFACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit 1, Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power Plant, Unit 2, P...

Forwards Public version of Rev 12 to EPIP EP R-2 & Rev 2 to EPIP EP RB-12 & Central Files version of Rev 23 to EPIP EP G-3 & Rev 10 to EPIP EP R-7.Central Files EPIPs withheld.

ACCEI ERAT DOCUMENT DIST UTION SYSTEMREGULAT INFORMATION DISTRIBUTION SYSTEM (RIDS)( ~ACCESSION NBR:9306240203 DOC.DATE: 93/06/15 NOTARIZED: NO DOCKETFACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit 1, Pacific Ga 0500027550-323 Diablo Canyon Nuclear Power Plant, Unit 2, Pa...

Forwards public version of revised EPIPs,including Rev 15 to EP G-2,Rev 24 to EP G-3 & current EPIPs table of contents Vol 3B.W/931223 ltr.

FORD 2REGULAT INFORMATION DISTRIBUTIO STEM (RIDS) h~>ACCESSION NBR: 9'312300179'OC. DATE: 93/12/06 NOTARIZED: NQFACIL: 50-275 Diablo Canyon Nuclear Power Plant> Unit 1> Pacific Ga50-323 Diablo Canyon Nuclear Power Plant> Unit 2> Pacif ic GaAUTH. NAME AUTHOR'FFILIATIONSEXTON> J...

Advises that 941010 & 1102 changes 4 & 5 to rev 18 of physical security plan,respectively consistent w/provisions of 10CFR50.54(p) & acceptable.

- . . . - . _ _ _ _ - . _ . _ . _ _ . _ - _ _. . -,UNITE D STATESg4GCuq%NUCLEAR REGULATORY COMMISSION' f/,!E-' *o REGloN IV -;.s8611 RY AN PLAZA ORIVE, SulTE 400.o,-[AR LINGTON, T EXAS 76011-80644.| ***** December 23,~1994|: Pacific Gas and Electric CompanyNuclear Power Genera...

Request for production of documents from NRC & applicants & extension of time to file interrogatories.Interrogatories to application encl.Explaination requested.

ee .* *. .. ._ . , . . .- 'M |% .Y VIUNITED STATES OF AMERICA 8/7 - [J-,eNUCLEAR. REGULATORY COMMISSIONY Eh.Before The Atomic Safety & bicensingBoah- Q'".9. f* '-.6- *w.. ..1?_.dIn The Matter of ))PACIFIC GAS & ELECTRIC COMPANY )Docket Nos. 50-275 OL)50-323 OL(Diablo Canyon Nu...

Second set of interrogatories propounded to independent design verification program contractors.

. .1. , -g' i L lJf/ / \UNITED STATES OF AMERICAMsN/''NUCLEAR REGULATORY COMMISSION gcel-1 ' Tgg . 3BEFORE THE ATOMIC SAFETY AND LICENSING APPEAL BOARD ,2f [7-4[;,i8)In the Matter of ) ')qjdPACIFIC GAS AND ELECTRIC COMPANY )Docket Nos. 50-275 0.L.)50-323 0.L.(Diablo Canyon Nuc...

Requests response to encl RH Leddy concerns about proximity of site to Hosgri Fault.

CASSISTANT REGIONAL WHIPFOREIGN POLICY TASK FORCECHAIRMAN4 ~ ~ROBERT "J.'LAGOMARSINOI9TH ISISTRICT, CALIFORNIA1117 LONGWORTH BUILDINGVFASHINGTON, D.C 20515202-252-3601 Congress of tfje lmmteb StatesQnuse nf Seyt;edmtatibedHInNjfngtorr,39.C. 20515June 5, 1980COMMITTEE ONFOREIGN...

Notifies of loss of power on 910307 while in process of refueling w/reactor cavity flooded to greater than 23 ft above reactor vessel flange & crane grounded one phase of 500 kV power sys.

ACCELERATED D'RIBUTIONDEMONSTTION SYSTEMREGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:9103270083 DOC.DATE: 91/03/07 NOTARIZED: NO DOCKETFACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit 1, Pacific Ga 05000275AUTH.NAME AUTHOR AFFILIATIONTOWNSEND,J.D. Pacific...

Forwards Rev 2 to security force training & qualification plan.Rev withheld (ref 10CFR2.790).

.tPACIFIC GAS AND ELECTR,ICC O M PANY77 OEALE STREET, SAN FR ANCISCo C ALIFoRNI A 94106T E LE PHON E (415) 781 4211bbW3,IP. o. BOX 7442, SAN FR ANCISCO, C ALIFORNI A 94120T E LECOPIE R (415) 543 7813R O B E R T O H L. B AC Hvict entsect=Y ano statnat afiossty_ ,C H A R L E S T...

Second set of interrogatories.Certificate of Svc encl.

_ _ _ _ _ _ _ . _ - . _ _ _ _ _ . ..,,. ., ,1 ;',-,1C /?yt: UNITED STATES OF AMERICA l 'N/- T--.. ..([D DOL ; 9 ,983 y e.NUCLEAR REGULATORY COMMISSION---t.- ,...BEFORE THE ATOMIC SAFETY AND LICENSING APPEAL] BOARD | p,:ek.q;s 6x' , -,')igt'In the Matter of ))PACIFIC GAS AND EL...

Forwards info re tests of molded circuit breakers, ventilation control logic cabinet & fan cooler controllers, to permit continuation of review of seismic retesting of Class IE electrical equipment.

SUBJECT: FORWARDS INFO RE TESTS OF MOLDED CIRCUIT BREAKERS/VENTILATION CONTROL LOGIC CABINET 5 FAN COOLERCONTROLLERS'OPERMIT CONTINUATION OF REVIEW OF SEISMIC RETESTING OFCLASS IE ELECTRICAL EQUIPMKNT ~DISTRIBUTION CODE: 80018 COPIES RECEIVED:LTR ENCL SIZE://'g'ITLE:PSAR/FSAR ...

Forwards SSER input in response to H Schierling request re NUREG-0737,Items III.A.1.2 & III.A.2.2. re upgrade of emergency support facilities & meteorological data, respectively.Items completed satisfactorily.

n.u - .- . - - - - - - . . . - .. - .-- - . - _, . - .. ..,.N i. . *|LvPlio.q ,-fl . 4UNITED STATES .fp, NUCLEAR REGULATORY COMMISSION.E j WASHINGTON, D. C. 20655*% . , , , . * 'g. ,,April 22,1985MEMORANDUM FOR: . George W. Knighton, Chiefj: Licensing Branch No. 3Division of L...

Forwards status of Westinghouse review of util low power test program,power ascension procedures & emergency procedures re Task Action Plan Item I.C.7.Reviews will be completed prior to operation above 5% full power.

REGULATOR NFORMATION DISTRIBUTION 8 TEM (RIDS)ACCESSION NBR: 8103300311 DOC ~ DATE; 81/03/26 NOTARIZED: NOFACIL:50-275 Diablo Canyon Nuclear Power Planti Unit 1FPacific'50 323 Diablo Canyon Nuclear Power Planti Unit 2i Pacific GaAUTH,NAME AUTHOR AFFILIATIONCRANE

"1991 Annual Radiological Environ Operating Rept." W/920429 ltr.

ACCELERATEDDILUTION DEMONST1TIONSYSTEM~h.REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:9205040245 DOC.DATE: 91/12/31 NOTARIZED: NOFACIL:50-275 Diablo Canyon Nuclear Power Plant, Unit,1,Pacific Ga50-323 Diablo Canyon Nuclear Power Plant, Unit 2,Pacific GaAUTH.N...

Brief in support of Joint Intervenors exceptions to ASLB partial initial decision.Board failed to consider properly seismic focusing & high stress drop issue.Issue should be remanded for hearing.Certificate of Svc encl.

UNITED STATES OF AMERICA/~eO'3lg cG"j.hcou<"'7NUCLEAR REGULATORY COMMISSIONBEFORE THE ATOMIC SAFETY AND LICENSING APPEAL BOARD)In the Matter of))PACIFIC GAS AND ELECTRIC COMPANY))(Diablo Canyon Nuclear Power Plant,)Unit Nos. 1 and 2)))50-323 O.L.BRIEF IN SUPPORT OF EXCEPTION O...

Requests info re delays in completion of const of facility. Continued delays only preclude use of alternate energy sources to conserve oil.

V Pp4' V1ec.+94K(o4~~~l'f79o c. Ros5 Se,'-k,,~...p..Ps-z ~ .k.M6-~NM'a.. Af&VCrtl~~, ~a,AC'.~~ .y',~,,~,p—/AIBAArn~~ ~A~~a~gdvsoso xog~"~'IIIAll(~y,R AEG(g;rl.GiP+4 0Cy0IO~~40I7++*++UNITED STATESNUCLEAR REGULATORY COMMISSIONATOMIC SAFETY AND LICENSING BOARD PANELWASHINGTON, O....

Submits review of licensee semiannual environ monitoring rept for Shootaring Canyon U mill processing facility for First Half 1985.Results reflective of nonoperational processing facility.

P,DISTRIBUTION -40-8698/CCJ/85/10/02/0Docket File 8698-1- PDR/DCSOCT 0 31985DBangart, RIVCJierreeURF0 r/fLAnderson, RCPD, UTURF0:CCJDocket No. 40-869804008698510EMEMORANDUM FOR:Docket File No. 40 8698FROM:Candice C. Jierree, Project ManagerLicensing Branch 2.~Uranium Recovery ...