NRCIPG&E MEETINGFEBRUARY 21, 2007

HUMBOLDT BAY POWER PLANT

IMPACT OF NEW GENERATION PLANT

ON LICENSE TERMINATION

Pacific Gas andU Wý Elecftic Company

PURPOSE OF MEETING

wDescribe Unique Situation at HBPPwConstruct New Fossil Unit on Licensed Site

wExplore Options to Mitigate Impact onLicense Termination

wDiscuss Possible Regulatory Approaches

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AGENDA

wi Current HBPP Statusw~ Major Projectsw~ Site ComplexitywMARSSIM Survey ClassificationswUnit 3 License Termination Is-sueswPotential Regulatory Approaches

w~ Next Steps

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CURRENT HBPP STATUS

w~ Fossil Units Currently OperatinigwNuclear Unit 3 in SAFSTOR

DWork in Progress to Prepare for ISFSIwi ISFSI Licensed

u NRC Issued License November 17, 2005wi Humboldt Bay Repowering Project (HBRP)

wApproved by California Public Utilities CommissionSApplication for Certification Submitted to CaliforniaEnergy Commission in September 2006

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HBPP SITE

7.

WA

7e

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AERIAL VIEW OF HBPP SITE

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MAJOR PROJECTS

wHBRPw: Construction Permit Expected Late 2007DConstruction Begin's Early 2008wOperational Mid 2009

*ISFSI- Construction During 2007- Cask Loading 2008

*Nuclear Decommissioning, and LicenseTermination

wAfter ISFSI LoadingwFinal Status Survey (FSS) Projected 2015

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HUMBOLDT BAY POWER PLANTMAJOR PROJECT SCHEDULE

2007

UNEW PLANT SITE PREPARATION

NEW PLANT CONSTRUCTION

NEW PLANT OPERATION

ISFSI CONSTRUCTION

ISFSI LOADING

ISFSI OPERATION

SITE SURVEYS

UNIT 3 TRANSITION TO DECOM

DECOMMISSIONING ACTIVITIES

UNIT 3 PART 50 LICENSE TERMINATION

2008 2009 2010 1 2011 2012 1 2013 2014 2015

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SITE COMPLEXITYwPhysical Site Limitations

" Proximity of Site Boundary" Limited Space for Decommissioning Activities

wRadiological IssueswControlling Dose to Members of Public in UnrestrictedArea

wi Radiological Environmental Monitoring ProgramwFlexibility During Decommissioning Activities

wHBRP (MARSS IM) Surveyo Completed Historic Site Assessment (HSA)wHBRP Site (~-5 Acres) is a Class 3 Impacted Area

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CLASS 1 STRUCTURES

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CLASS 1 LAND AREA

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MULTI-AGENCY RADIATION SURVEYAND SITE INVESTIGATION MANUAL

(MASSI~ CASSFICTIOS

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HMBOLDT BAY POWER PLANTINITIAL MARSSIM

SURVEY CLASSIFICATIONS

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CLASS 2 STRUCTURES~.fl

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MULni-AGENCY RADIATION SURVEY-~ -- AND SITE INVESTIGATION MANUAL

(MARSSIM) CLASSIFICATIONS

CLASS 2 STRUCTURES

tHUMBOLIDT BAY POWER PLANTIMMTAL MARSSIM

ISURVEY CLASSIFICATIONS

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CLASS 2 LAND AREA- ---v..,~

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MULTI-AGENCY RADIATION SURVEYAND SITE INVESTIGATION MANUAL

V (MARS~IRCLASIFICATIONS

El CLASS 2 LAND AREA

HUMBOLDT BAY POWER PLANITINITIAL MARSSIM

SURVEY CLASSIFICATIONS

NOT TO SCALETPAIATMMWC ýIO 3,. 5L 5 14

CLASS 3 STRUCTURES AND LAND AREA

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MULTI-AGENCY RADIATION SURVEYAND SITE INVESTIGATION MANUAL

(MARSSIM) CLASSIFICATION

M CLASS 3 STRUCTURESE3 CLASS 3LAND AREA

NOT TO SCALE15

UNIT 3 LICENSE TERMINATIONISSUES.

w- Regulatory ProcesswNRC License Termination Rule

DLicense Termination PlanwFinal Status Survey (FSS)

i~i HBPP Decommissioning ChallengewTerminate Part 50 License With NewOperating Plant Onsite

wFinalityiiAvoid Need to Re-Survey Inaccessible Areas

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POTENTIAL REGULATORYAPPROACHES

wOptions

w~Partial Site Release (PSR) for HBRPArea

w~License Amendment Without PSR

wOther Options?

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PSR OPTIONED Requirements of 10 CFR 50.83 (NUREG 1836)

SSatisfy Requirements of 1 0 CFR 20.1402

ii Satisfy Requirements of 10 CFR Part 20, Subpart D

SPerform Survey Prior to Construction of HBRP

SSubmit Environmental Report Supplement

SRevise Offsite Dose Calculation Manual (ODCM)

" Submit License Amendment Request to ReleaseProperty From License

Dl Opportunity for Hearing

" Public Meeting Required18

PSR OPTION (cont.)D Provides Finalityw1 "Licensed Site" vs "Site Boundary"

E]HBRP Area Released From License Remains Within "Site Boundary"

EiHBRIP Area Considered Within the "Controlled Area"EAllowing Time to be Used to Meet the Dose Limits of 10 CFR

20.1301 (a)(1) and increase flexibilityEiAlternatively, HBRP Outside "Controlled Area".

o Reassess Impacts Under 10 CFR Part 20Ei Potential Need for Part 20 Exemptions in an Unrestricted Area

DEffects on Environmental Monitoring Program,E Timing (Surveys and Reviews, Public Meeting,

Hearing., etc).19

LICENSE AMENDMENT OPTION

wPerform Survey Prior to Construction of HBRP

wi Implement Cross Contamination Prevention andMonitoring Plan

wLicense Amendment to Incl-ude (for example)

Ei "To demonstrate compliance-with the NRC License TerminationRule, the Final Status Survey for the HBPP Unit 3 licensetermination can rely on the results of the licensee's survey, andconfirmed by the NRC, of the area underlying the Humboldt BayRepowering Project (HBRP), provided the Cross ContaminationPrevention and Monitoring Plan is maintained."

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LICENSE AMENDMENTOPTION (cont.)

wi No Impact. on 10 CFR Part 20 Implementation

~'HBRP Area a Controlled Area for Purposes of 10 CFR 20 (ascurrently exists)

SAvoids Potential Need for Part 20 ExemptionSNo Changes Required for Environmental Monitoring

Di Likely to Take Less Time Than Partial Site Release Optiono Precedent Exists

u Approach Used for Some Fuel Cycle Facilitieswi Provides for FinalityDi Meets Decommissioning Objectives of Partial Site Release

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OTHER OPTIONS?.

wOther Options That Provides Finality ToFuture License Termination

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NEXT STEPS

w~ Developing Proposed DCGL's andMARSSIM Sampling Plan

wSurvey Scheduled for Fall 2007w~ Determine Most Viable Option for HBRP

SiteN NRC Feedback

iiTiming

wPossible Future Meetings

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