ML16200A093

La Crosse Boiling Water Reactor License Termination Plan - Chapter 6 - Compliance with the Radiological Criteria for License Termination, Rev. 0

ML16200A093
Person / Time
Site:	La Crosse  File:Dairyland Power Cooperative icon.png
Issue date:	06/27/2016
From:	LaCrosseSolutions
To:	Office of Nuclear Material Safety and Safeguards
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Download: ML16200A093 (114)

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LA CROSSE BOILING WATER REACTOR LICENSE TERMINATION PLAN CHAPTER 6 COMPLIANCE WITH THE RADIOLOGICAL CRITERIA FOR LICENSE TERMINATION La CrossLicense TRevision6.Com6.1.6.2.6.2.6.2.

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6 6se Boiling WTerminationn 0 mpliance withSite ReleaseGeneral Site1.Site Ge2.Site Hy3.Area L4.Area GBasements, Future LandDose Mode1.Backfil.5.1.1.BFM.5.1.2.BFM2.Soil ....3.Buried 4.Existin5.Remain6.Dose S7.AlternaMixture Fra1.Potenti2.MixturSoil Dose A1.Soil So2.Soil ExSoil DCGL 1.Parame2.RESRA3.Soil DCSoil DetermBasement0.1.Sou.10.1.1.Re.10.1.2.W.10.1.3.W.10.1.4.ReWater ReactorPlan h the Radiole Criteria ....e Descriptioneology.........ydrogeologyand Use .....Groundwater Structures ad Use Scenarl Overview lled BasemeM Insitu SceM Excavatio...................Piping .......ng Groundwaning Above Summation foate Scenariosactions for Inial Radionuce Fractions fAssessment aource Term .xposure PathComputatioeter SelectionAD ParameteCGL Uncertministic Analt Fill Concepurce Term ...eactor BuildiWaste TreatmWaste Gas Tanemaining Strr TABLE Ological Criter....................n .....................................y .......................................Use ............and Piping torio and Aver....................nts ...............enario ..........on Scenario .........................................ater ..............Ground Builfor Complians ..................nitial Suite Rclides of Confor Initial Suand DCGL .......................hways and Cron Model - Rn Process ....er Selection ainty Analyslysis and Soiptual Model....................ing ..............ent Buildingnk Vault ......ructures .......6-i OF CONTEria for Licen........................................................................................................................o Remain aftrage Membe............................................................................................................................................ldings..........nce ...................................Radionuclidencern and Iniuite Radionu........................................ritical GroupRESRAD v7....................for Uncertaisis Results...il DCGLs ...............................................................g ..........................................................ENTS nse Terminat........................................................................................................................fter License Ter of the Crit........................................................................................................................................................................................................es .................itial Suite ....uclides .................................................p ..................7.0 ...................................inty Analysi................................................................................................................................................................tion .....................................................................................................................................Terminationtical Group ..........................................................................................................................................................................................................................................................................................................................................................................is .............................................................................................................................................................................................................................................................................................................................n (End State)................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 6-1... 6-1... 6-1... 6-1... 6-2... 6-2... 6-3) .. 6-3... 6-6... 6-7... 6-7... 6-7... 6-8... 6-9... 6-9. 6-10. 6-10. 6-10. 6-10. 6-11. 6-11. 6-12. 6-13. 6-13. 6-14. 6-14. 6-14. 6-15. 6-17. 6-18. 6-19. 6-20. 6-20. 6-20. 6-21. 6-21 La CrossLicense TRevision6.106.11.6.1166 6

66.116.12.6.13.6.136.14.6.15.6.16.6.17.6.18.6.186.186.186.186.186.19.6.20.6.21. se Boiling WTerminationn 0 0.2.BFMBFM Insi1.1.BFM.11.1.1.BF.11.1.2.BF.11.1.3.BF.11.1.4.BF1.2.BFMBFM ExcInsignific3.1.RadConcentraAlternate BFM ElevSoil AreaBuried Pi8.1.Sou8.2.Exp8.3.Bur8.4.Bur8.5.BurExisting GDemonstrReferenceWater ReactorPlan M Exposureitu Scenario M Insitu GroFM Insitugw FM Insitugw FM Insitugw FM Insitugw M Insitu Dricavation Scecant Dose Codionuclides oations in Exc Land Use Svated Area Ca Factors .....iping Dose Aurce Term anposure Scenaried Piping Dried Pipe DCried Pipe RaGroundwaterating Compes ............... r e Pathways .......................oundwater SComputatio RESRAD URESRAD DDose Factorilling Spoils enario ...........ontributors aof Concern acavated Fill Scenario DosConsideratio....................Assessment and Radionucario and CritDose AssessCGLs Initial adionuclides er Dose.........pliance with ....................6-ii ........................................Scenario .......n Model ......Uncertainty ADeterministicrs .................Scenario an....................and Radionuand AdjustedMaterial .....se .................ons ...................................and DCGL ..clide Mixturetical Group .ment ...........Suite ..........of Concern ....................Dose Criteri....................................................................................................Analysis for c Analysis an....................nd DF Calcu....................uclides of Cod Soil DCGL....................................................................................................e ..............................................................................and Adjuste....................ion ..................................................................................................................Initial Suitend DSR Res....................ulation ..............................oncern ..........Ls and BFM....................................................................................................................................................................................ed DCGLs ...............................................................................................................................................e ...................sults .............................................................................................M DFs ................................................................................................................................................................................................................................................................................ 6-22. 6-22. 6-22. 6-24. 6-24. 6-26. 6-26. 6-33. 6-33. 6-35. 6-36. 6-39. 6-39. 6-41. 6-42. 6-43. 6-43. 6-43. 6-44. 6-44. 6-45. 6-47. 6-48. 6-49 La CrossLicense TRevisionTable 6-1Table 6-2Table 6-3Table 6-4Table 6-5Table 6-6Table 6-7Table 6-8Table 6-9Table 6-1Table 6-1Table 6-1Table 6-1Table 6-1Table 6-1Table 6-1Table 6-1Table 6-1Table 6-1Table 6-2Table 6-2Table 6-2se Boiling WTerminationn 0 1BasemeEnd St2Buried 3Initial S4Determ used in5DetermKd par6Soil DCfor Non7LACBW8DetermUncert9ResultsSelecte10BFM Infor Dis11BFM Infor Dis12BFM InDistrib13BFM InDistrib14BFM Infor Dis15BFM InRemain16BFM In17BFM In18BFM E19Soil DCDose F20ReactorContrib21WTB BContrib22WGTVContribWater ReactorPlan ents and Beltate Ground Piping to reSuite of Poteministic Valun to calculatministic paramrameters for CGL Uncertn-Nuclide SWR Soil DCministic Geomtainty Analys of RESRADed Determininsitugw Rx Bstribution Consitugw Rx Bstribution Consitugw WTBbution Coeffinsitugw WGTbution Coeffinsitugw Remstribution Consitugw DSRning Structunsitugw Dosensitu DrillinExcavation DCGLs for ROFraction ......r Building Bbutor Dose FBFM DFs fobutor Dose FV BFM DFs fbutor Dose Fr LIST low Ground surface elevemain in LACential Radionues selected fte Soil DCGLmeter valuessoil DCGL cainty Resultpecific ParamCGLs for Initmetry RESRysis for the fD Uncertainistic ParameBuilding abovoefficients (KBuilding belooefficients (KB Uncertaintficients (Kd) .TV Uncertaificients (Kd) .maining Strucoefficients (KRs for Reactoures ..............e Factors ......g Spoils DosDose FactorsOC Adjusted....................BFM DFs forFraction .......r ROC AdjuFraction .......for ROC AdFraction .......6-iii OF TABLEStructures tovation is 639CBWR End nuclides andfor SensitiveLs ...............s selected forcalculation ..t and Determmeter Distritial Suite RaRAD Paramefive BFM Insnty Analysis eters .............ve 619: UncKd) ..............ow 619 UnceKd) ..............ty Analysis R....................inty Analysis....................ctures UncertKd) ..............or Building, W........................................se Factors ... ...................d for Insignif....................r ROC Adju....................usted for Insi....................djusted for In....................ES o Remain in9 feet AMSLState ..........d Mixture Fre Kd parame....................r non-sensiti....................ministic Valuibutions .......adionuclideseters used in situgw Configfor BFM In....................certainty Ana....................ertainty Ana....................Results for ....................s Results for....................rtainty Analy....................WTB, WGT................................................................................ficant Contr....................usted for Insi....................ignificant ....................nsignificant....................n LACBWR L ......................................ractions .......eters ....................ive ....................ues selected ....................s ..................the gurations .....situgw and ....................alysis Result....................alysis Result........................................r ....................ysis Results ....................TV, and ................................................................................ributor ....................ignificant ............................................................ .................................................................................................... ................................................................................ts ....................ts ............................................................ ....................................................................................................................................................................................... 6-4... 6-5. 6-12. 6-17. 6-18. 6-18. 6-19. 6-25. 6-27. 6-28. 6-28. 6-29. 6-29. 6-30. 6-31. 6-32. 6-34. 6-35. 6-37. 6-38. 6-38. 6-38 La CrossLicense TRevisionTable 6-2Table 6-2Table 6-2Table 6-2Table 6-2Table 6-2Table 6-2Table 6-3 Figure 6-Figure 6-Figure 6-Figure 6-Figure 6-Figure 6-Figure 6- 6-1 RES6-2 RES6-3 DosAgg se Boiling WTerminationn 0 23RemainInsigni24ROC an25Surface26RESRA27Buried 28Buried Radion29SummeInsigni30Ground-1Site Re-2Site Ov-3LACBW-4LACBW-5LACBW-6LACBWElevati-7RESRASRAD InputSRAD Inpute Contributigregate DoseWater ReactorPlan ning Structurificant Contrnd Insignifice Soil Area FAD Source TPiping DCGPipe DCGLnuclide Fracted Buried Piificant Radiodwater Expoegional Locaverview .......WR BuildingWR End StaWR End StaWR End Staion View ....AD Parametet Parameters t Parameters on Percentage Percentage r res BFM DFributor Dosecant RadionuFactors ........Term ParameGLs ..............Ls for ROCs tions ............ipe DCGLs fonuclide Fraosure FactorsLIST Oation .................................gs ................ate ................ate - Backfillate - Backfil....................er Selection ATTAfor LACBWfor LACBWge for Initialfrom Insign6-iv Fs for ROC Ae Fraction .....uclide Mixtu....................eters for Bur....................Adjusted fo....................for ROCs adactions ..........s...................OF FIGURE................................................................................led Structureled Reactor ....................Flow Chart .ACHMENTWR Soil DCGWR BRM Unl Suite Radionificant DoseAdjusted for....................ture Fraction....................ried Piping ....................or Insignific....................djusted for ........................................RES ................................................................................es .................Building Ba........................................TS GL Uncertaincertainty Aonuclides ane Contributor ....................ns .....................................DCGL Calc....................ant ................................................................................................................................................................asement ........................................inty AnalysiAnalysis ......nd Determinaors ............................................................................culations ..................................................................................................................................................................................................................................s ......................................ation of .................. 6. 6-38. 6-39. 6-43. 6-45. 6-46. 6-47. 6-47. 6-48. 6-50. 6-51. 6-52. 6-53. 6-54. 6-55. 6-56. 6-57. 6-796-103 La CrossLicense TRevisionAF ALARA AMCG AMSL ANL BFM BFM InsBFM Insbgs DCGL DF DPC FRS G-3 GW HSA HTD ISFSI LACBWLSE LTP MARSAMARSSIMDA MDC NRC PRCC RESRADROC TEDE USACE WGTV WTB

se Boiling WTerminationn 0 AreaAs LAveAboArg Basesitugw BFMsituds BFMBeloDeriDosDairFinaGenGro HistHardIndeWR La CLACLiceAME MulManIM MulMinMinNucPartD RESRadTotaU.S WasWasWater ReactorPlan LIST OF a Factor Low As Reaerage Membeove Mean Seonne Nationement Fill MM Insitu GroM Insitu Drilow Ground Sived Concense Factor ryland Poweal Radiation noa-3 undwater torical Site Ad-to-Detect ependent SpeCrosse BoilinCBWR Site ense Terminlti-Agency Rnual lti-Agency Rnimum Detecnimal Detectclear Regulattial Rank CoSidual RADidionuclides oal Effective D. Army Corpste Gas Tankste Treatmen r ACRONYMasonable Acher of the Criea Level nal LaboratorModel oundwater lling Spoils Surface ntration Guider CooperativSurvey Assessmentent Fuel Storng Water ReEnclosure ation Plan Radiation SuRadiation Suctable Activiable Concentory Commiorrelation Coioactive matof Concern Dose Equivaps of Enginek Vault nt Building 6-v MS AND ABhievable tical Groupry deline Levelve rage Installaeactor urvey and Asurvey and Sitity ntration ssion oefficient terials alent eers BBREVIATl ation ssessment ofte InvestigatTIONS f Materials aion Manual and Equipme ent La CrossLicense TRevision se Boiling WTerminationn 0 Water ReactorPlan r Page Intent6-vi tionally Leftft Blank La CrossLicense TRevision6.CS6.1.The site rcriteria fRegulatioDoseresultgroupwaterAs LoreducChapter CriterionCriterionG6.2.This sectsite. LandescriptioHydrogeCooperaThe LACVillage oto the nothe west 522), fiv east shorshown inEnclosur6.2.1.SLACBWof the Cdescribedand fluvishales ofapproxim se Boiling WTerminationn 0 Compliancite Release release criterfor unrestricons (10 CFR Criterion: Tts in a Total p that does nr; and ow As Reasoced to levels 4 describes n. This Chan. General Sitetion providend and grouon of site ological Invtive, Genoa CBWR faciliof Genoa (poorthwest) is Rshore of the miles soutre, is an uninn Figure 6-2re (LSE) fencite GeologyWR is locatedCentral Lowd as approxiial deposits.f the Dreshmately 650 feWater ReactorPlan ce with theCriteria ria for the Lted release R 20.1402): The residual Effective Dnot exceed 25onably Achithat are ALthe methodapter describ Descriptiones a general undwater usgeology avestigation RWisconsin (ity is locatedopulation abReno, Minnhe Mississipthwest of thencorporated 2, with a mce shown in y d on the east land Physiomately 15 fe. These unchbach Groupeet below the r e Radiologa Crosse Bospecified inradioactivityose Equivale5 mrem/yr, iievable (ALAARA. ds and resulbes the metn description e in the viand hydrogReport, La 1). d 17 miles sobout 800) (seesota, an unpi River. The plant. Vichamlet of amore detaileFigure 6-3.bank of the ographic Proeet of hydrauonsolidated p and by dee ground sur6-1 gical Criteoiling Water n Title 10, Sy that is distent (TEDE) including thaARA) Criterlts for demothods for deof the geolocinity of sitgeology is Crosse Boiouth of the Cee Figure 6-nincorporatedhe nearest cctory, Wisconabout 80 peod view of tMississippiovince. The ulic fill overdeposits areense Precamrface (bgs). eria for LicReactor (LASection 20.14tinguishable to an averagat from grourion: The resonstrating coemonstratingogy and hydte are also provided iniling Water City of La C1). The nead hamlet of community insin, five mople. The LAthe facilitiesi River in thelocal geolorlying 100 toe underlain mbrian crystcense TerACBWR) are402, of the from backgrge member oundwater sousidual radioaompliance wg compliancdrogeology described. n Haley &Reactor, DCrosse and a arest commuabout 300 pin Iowa is Nmiles south oACBWR lices inside thee Wisconsinogy of the o 130 feet oby flat lyintalline rocksminatione the radioloCode of Feround radiatof the criticaurces of drinactivity has bwith the ALce with the at the LACB A detailed& Aldrich, Dairyland Pmile south ounity (three mpeople locateNew Albin f the plant oensed site are LACBWRn Driftless sesite is genef glacial outng sandstones encounterogical ederal tion al nking been LARA Dose BWR d site Inc., Power of the miles ed on (pop. on the rea is R Site ection erally twash e and ed at La CrossLicense TRevisionThe prim0 to 2bgs a20 tothickn30 tograve100 t115 t6.2.2.SRegionalit is likelthe surfagroundwinfluence6.2.3.AThe LACthe Missbounded EngineerThe 163.the 1the Gand ilocatean are(ISFSan apfrom the laoil) fuwasha parcThe areaand freshto the G-se Boiling WTerminationn 0 mary soil type20 feet bgs. Hand described 30 feet bgs.ness of 7 to 100 feet bgel below the o 115 feet bo 135 feet bite Hydrogelly, groundwly that the grace water. Gwater flow aned by the rivArea Land UCBWR facilisissippi Riveby the Mirs (USACE) 5 acre site is.5 acre LACGenoa-3 (G-3s owned anded to the souea south of GSI) is locatedpproximatelypast operatiand north of fueled powerhing area (an cel of land toa of the Missh water fishi3 station locWater ReactorPlan es encounterHydraulic Fid as light bro. Brown to g28 feet, s. Brown, finfiner sands, gs. Brown figs. Brown fieology water flows froundwater fGroundwaternd also shower stage. Use ity is locateder. Althougssissippi Riproperty to s comprised CBWR facilit3) coal-firedd operated byuth, adjacentG-3 where thd, y 36 acre areions, the LACBWr plant (remoapproximato the east ofsissippi Riveing) and comcated south or red at the siteill - Fill sandown to browgrey, fine to mne to mediumine to mediuine to mediufrom the bluflow directior elevation ws seasonal vd in the far wgh the site aver to the wthe north, anof the followty, , 379 MWe ey Dairyland t to LACBWhe LACBWRea surroundinWR plant waoved in 1989ely 900 m2 cf Highway 35er adjacent tmmercial barof the LACB6-2 e are: ds are encouwn, fine to mmedium finem sands thatum sand and um sand withff towards thon turns "dodata from evariation on uwestern portiarea is 163.west, a rail nd a wildlifewing: electric powPower CoopWR, R Independeng the ISFSIs the site of 9) which nowcoal ash land5, across froto the site isrge and shipBWR plant). untered frommedium sandse sands undet also have zfine to medih trace silt, ohe Mississipownstream" aeight onsiteupward and ion of Verno5 acres, it iline to thee and fish refwer station thperative (DPent Spent FuI containing the former Gw includes thdfill is also pom LACBWRs used for rep traffic (e.g. There is a pm approximats with occasierlie the fill, zones of coarium gravels,occasional zoppi River. Clas groundwae wells agredownward gon County onis relativelye east, U.S. fuge to the shat was compPC). The G-uel Storage Inthe closed cGenoa-1 (G-he site switchpresent), R. ecreational p. barges of cpublic boat ltely 0 to 20 fional fine grwith an averse sand and, ones of gravloser to the ater dischargees with reggradients than the east bay isolated asArmy Corpouth. pleted in 1963 station is nstallation coal ash land-1) coal (andhyard and bapurposes (bocoal are delivlanding on thfeet ravel, rage d fine vel. river, ges to gional at are ank of s it is ps of 69 dfill d later arge oating vered he La CrossLicense TRevisionsite, locaMississipfor huntinNational Lock andnorth of operated from dawmaintain LACBWThe clos no reside6.2.4.AThere arein 1963 tLSE and to the G-HighwayB6.3.The confbuildingsAll but tcorresponthat will The belo 1 and shobasementwater tabone foot As seen outside oadjacent land areaChaptersareas outThe strucbasementwill be rstructure liner willse Boiling WTerminationn 0 ated approximppi River Nang, fishing aFish Hatched Dam No. 8the site. Thby the USAwn to dusk s a highwaWR site, acrosest town is Gences within Area Grounde two water to 129 feet are still in u3 plant. Regy 35. Basements, Sfiguration os at the time two LACBWnds to an elremain intaw ground poown in Figurt below 636 ble elevationbelow the avin Figure 6-of the LSE bopen land aas and build 2 and 5 fortside of the Lctures to be ts, isolated sremoved. Ts in this LTPl remain; all Water ReactorPlan mately 4,000ational Wildland recreatioery. 8, located onhe dam is a ACE. This faduring the ay wayside ss from LockGenoa, locat2,000 feet odwater Use supply welland 116 feeuse as potablgionally, therStructures af the remainof license teWR buildinglevation of 6act are the Lortions of theres 6-4 and 6foot elevatin. Note that verage water-2, there are but within thareas were ndings outsidr additional dLSE. backfilled wsumps and rThe backfillP Chapter. interior conr 0 feet south olife & Fish Ronal activitien the Mississ110 feet widacility also almonths of Aoff State Hk and Dam Nted approximof any LACBls on the siteet bgs, respele water for Lre are five doand Piping tning backfilermination isgs will be d636 foot AvLACBWR Ae buildings t6-5. Figure ion which is there are alsr table elevanumerous bhe LACBWRot used to sude of the LSdiscussion anwill be comemaining poled structureFor the Reacrete and the6-3 of the plant. Refuge just ses. Further sosippi River ade, 600 feet llows publicApril througHighway 35No. 8. mately 1 milBWR structue (Deep Welectively. BotLACBWR. Somestic wellto Remain alled basemens designatedemolished tverage MeanAdministratioto be demoli6-6 providethe only baso three veryation. buildings assR licensed bupport LACSE fence arend justificatmprised of coortions of foes are generactor Buildine steel liner There is a psouth of the outh are pubat mile 679.2long lock ac access to agh Novembe5 approximle to the norure. ll 3 and Deeth wells are Separate grols south of thafter Licensnts, buried d as the "Endto at least thn Sea Level on Buildingished and baes a cross-secsement withy small sumsociated witboundary. HCBWR operae designatedtion of the nooncrete onlyoundations. rally referreng, only the will be remoportion (Poosite which hblic land are2, is approxiand dam struan observatioer. The Stamately 1/2 mirtheast of thep Well 4) thlocated upgoundwater whe LACBWse Terminatpiping, opend State." hree feet bel(AMSL). Tand LACBackfilled are ction of the h a portion bmps with flooth the G-3 cHowever, theations. The d as non-impon-impactedy and includAll systemsed to as eithconcrete exoved. All reol 9) of the Uhas limited aas and the Gimately 0.6 mucture ownedon platform, ate of Wiscile north ohe site. Therhat were instgradient fromwells supply wR site and eation (End Stn land areaslow grade wThe two builWR Crib Hlisted in TabReactor Buibelow the avors that exteoal plant thaese buildingmajority of pacted. See d classificatide full and p and compoher basementerior to theemaining Upper access Genoa miles d and open onsin f the re are talled m the water ast of tate) s and which dings House. ble 6-ilding erage end to at are s and fopen LTP ion of partial nents nts or steel La CrossLicense TRevisionTable 6-BasemeReactorWaste TWaste GRemainconcrete criteria. For the TreatmendesignateassessmeRemainina unique low potesteel lineIn additi Reactor Band needinappropremain isthe relatiWGTV wRemaininAs seen relativelyare very separatelse Boiling WTerminationn 0 1 BasemGrouent/Structurer Building Treatment BuGas Tank Vaning StructurPiping and VTunnels Reactor/GeneChimney SlaTurbine SumTurbine Pit will be decpurpose of nt Building (ed as the "Rent and Finang Structureconfiguratioential for coner is removedon, the FRSBuilding. Tds to be adriately avers not particuively higher was evaluateng Structurein Table 6-y low contamsmall in sizly does not pWater ReactorPlan ments and Bnd surface ee uilding ault res Ventilation erator Plant ab mp contaminatedose assess(WTB), andRemaining Sal Radiationes. There areon, includinntaining signd. This leadsS design canThe WTB haddressed sepraged with tularly conducontaminated separatelys, which req-1, the Remamination potze. Treatingprovide a mer Below Grouelevation is MateriremainConConConConConConConCond as necesssment, the bd Waste Gas Structures". Tn Survey (Fe several reasng a portion nificant resis to unique dn effectivelyas the highesparately to the other stucive to an eion potentiay because thquires differeaining Structential. Two each of theeaningful dis6-4 nd Structur639 feet AMial ning FlSuncrete ncrete ncrete ncrete ncrete ncrete ncrete ncrete sary to meetbasements oTank VaultThis createsFRS) designsons for thisbelow the adual radioacdose assessmy accommodst contaminaensure thattructures. Thefficient FRSal this loss oe floor is at ent modelingctures consisof the structe basementsstinction in dres to RemaMSL loor and Waurface Area511.54101.90460.04 177.07359.59117.865.647.09t the 10 CFother than tht (WGTV) ars four separa; Reactor Bs organizatioaverage watectivity after ment assumpdate a surveyation potentit the sourcehe small sizS design anof efficiencya lower elevg parametersst of a groutures, the Tus in the "Redose modelinain in LACBall (m2) Fl(f4 0 4 7 9 6 FR 20.1402 he Reactor re grouped iate areas to Building, Won. The Reacer table elevall interior ptions and FRy unit consiial of all Ende term in tze of the Wd implemeny is considervation than ts. up of structuurbine Sumpemaining Strng due to theBWR End Sloor Elevatiofeet AMSL)612 630 621 629 629 635 618 618 unrestrictedBuilding, Winto one cateconsider in TB, WGTVctor Buildinvation and aconcrete anRS classificasting of onld State structhe WTB isWTB structuntation but dred justifiedthe WTB anures that all p and Turbinructure" cateeir generallyState on d use Waste egory dose V and ng has a very nd the ation. ly the ctures s not ure to due to . The nd the have ne Pit, egory y La CrossLicense TRevisionsimilar ewould reLTP ChaThe EndassociateCirculatincirculatinpiping isthat penetunnel topenetrati End StateAdminispiping, l High Preto G-3 Well waStorm WRemainiThe poteon the finLa Crossextensivesubsurfacmonitorincollectedplant-derbe perfoexposed. se Boiling WTerminationn 0 elevations anesult in unneapter 5 for did State willed with contang Water Dng water dis defined as etrates walls o contain allons. There ie is listed in TableDestration Buildleach field latessure Servicater piping forWater Piping ing portion ofential for signdings of these Boiling e characterizce soil conng results dd under the Trived radionurmed after Water ReactorPlan nd contaminecessary comiscussion of also includaminated opDischarge pipscharge. Forthat containand is embel systems pips no embeddTable 6-2. e 6-2 Buescription of Pding Sanitary terals, and tance Water fromr Well #3 f Circulating nificant surfe EnergySolWater Reaczation perfontamination own gradienTurbine Buiuclides abovthe Turbiner nation potenmplexity in Fthe FRS prode a limitedperational sype which wr the purposed in soil. Tedded in conping that raded piping pruried PipingPiping System inclunks m LACBWR CWater Dischaface or subsulutions Technctor Historicormed in 20under the nt of suspectilding in theve backgroue Building 6-5 ntial. TreatinFRS design, ocess. d number ostems. The ewas used as se of this LTypical commncrete. The dan between bresent. The bg to remain uding drain Crib House arge Pipe urface soil cnical Supporcal Site Ass014 (see LTTurbine Buted broken de vicinity ofund. Full chafoundation ng the Remimplementaof buried pexception is for liquid eLicense Termmercial powdesign of thbuildings whburied pipinin LACBW1042794709383 52contaminatiort Documentsessment (HTP Chapter 2uilding basedrain lines.f the suspectaracterizatiois removedmaining Struation and doipes, with t the remainieffluent discmination Plawer plants alse LACBWRhich eliminang to remain WR End StatQuantit4' of 4"Sched57' of 2" P2500 gal septi750 gal dosin4 gal distribut8' perforated 144' 4" PV50' of 6"222' of 8511' of 395' of 2"8' of 48" concsteel grates a100' of 10" 25' of 60" steon at LACBWt (TSD) RS-HSA) (2) an2). There aed on positHowever, gt drain lineson of the subd and the unuctures separcumentationthe majoritying portion ocharge as wean (LTP), bso contain pR plant incluated the neein the LACBte y d. 40 PVC PVC ic tank ng tank ion tank 4" PVC VC " 8" 3" " crete pipe at grade PVC eel pipe WR is low b-TD-313196nd the resulare indicationtive groundwgeoprobe sams did not idebsurface soilnderlying sorately n. See y not of the ell as buried piping udes a ed for BWR based 6-003, lts of ns of water mples entify l will oil is La CrossLicense TRevisionLow conbroken flocated dconcentracharacterlevels thaof groundF6.4.The "ReConsolidRadiologthe next DPC firs1949 an were acqtotal areaThe G-1 LACBWin 1987.

operationmeet cur projectedResident as it is b the norththat wou the preseforeseeabproperty In summplans to infrastruc25 years Finally, tdevelop the DPC plausiblediscussioLACBWse Boiling WTerminationn 0 ncentrations ofloor drains down gradiations. In larization andan found in dwater sampFuture Landeasonably Fodated Decomgical Criteria100 years. Tst acquired laadditional 1quired in 196a owned or c plant begaWR constructi DPC's thin as a major rent environd remaining ial use of theounded by th, and a wildld be more sence of overble future reto recreationmary, the DPchange the lcture to supp. Adjacent lthere are largfor residentisite from ine" in accordon of futureWR dose asseWater ReactorPlan of groundwaunder the Tent of the te 2012, fived license ter1983, predopling results.d Use Scenaroreseeable Smmissioning a (NUREG-The Reasonaband at the si8.6 acres we62. Finally, acontrolled byan operationion began inird plant ongeneration nmental stanoperation life site over ththe Mississiplife and fish suitable to adr 36 acres ofsidential devnal use at soPC site has bland use in tport the sitesand, and a pge tracts of lial use withindustrial usedance with land use, ssment is ther ater contaminTurbine BuilTurbine Bue additional rmination. Rominantly H. rio and AveScenario", isGuidance 1757), (3), Tbly Foreseeaite in 1941toere acquiredan additionay DPC was thn in 1941 an 1963, was nsite, G-3, bresource to dards and isfe of G-3 is phe next 100 ppi River to refuge to thdditional resf closed coalvelopment. Bme point in been in contthe future. Ts future use fpart of the Dland nearby in at least th. ResidentiaNUREG-17the Averagee Industrial W6-6 nation have lding. Grouuilding idenmonitoring Results indic-3. See LTPerage Membs defined in- CharacterTable 5.1 asable Scenarioo build its fid for G-1 coaal 26.8 acres hen, and conand was deccompleted ibegan commthe DPC syss currently pprojected to years appeathe west, a he south. Thesidential devl ash landfilBased on surthe distant futinuous induThe site contfor power suDPC site is cthat would bhe next 100 l land use is757, Table e Member oWorker. been identifundwater samntified contawell pairs wcated lower P Chapter 2, ber of the Cn NUREG-1rization, Sus a land use o for LACBirst coal-fireal ash dispowas filled bntinues to becommissionein1967, andmercial operastem. The Gerforming abe 20-25 years unlikely. rail line to tere are severvelopment thlls further surrounding lafuture is morustrial use fotains a transupply after Gcurrently usbe preferablyear time ps therefore c5.1 definitiof the Critified adjacentmpling in 1amination awere installegroundwatesection 2.3.Critical Grou1757, Volumurvey, and Dscenario thaWR is indused generationosal. An addiby dredging e, 163.5 acreed and dismwas permanation in 196G-3 plant hasa major turbiears. The site is rthe east, USral small comhan the DPCupports the aand use, the cre likely thanor 74 years smission statG-3 is decomed for recrele, and moreperiod than tategorized aions. Basecal Group (t to the susp983 from aat relativelyed to supporer contamin.7 for a sumup me 2, RevisiDeterminatioat is likely wstrial use. n station, G-itional 80.8 in 1962-63.es. mantled in nently shut d69 and conts been updatine overhaulrelatively isoSACE propermmunities neC site. In addassumption conversion on residentialand DPC hation and valummissioned ieational purpe cost-effectithe conversias "less likeled on the a(AMCG) fopected a well y low rt site nation mmary ion 1 on of within -1. In acres The 1989. down tinues ted to l. The olated rty to earby dition, of no of the use. as no uable in 20-poses. ive to on of ly but above or the La CrossLicense TRevisionD6.5.Dose molicense t25 mremmodel anThere areas followgroundwvery lowmajority concrete currentlythe remairemain wcontamingroundwsummed An overvdescriptio6.5.1.BThe dosedesignateresidual rThe basealtered toThe BFMthe concrExcavati The resumrem/yr group. It portion rconserva6.5.1.1.The BFMresidual material installatioGroundwSpoils (Bse Boiling WTerminationn 0 Dose Model odeling is peermination wm/yr criterionnd computatie four potenws for the pwater. The inw potential oof residual of backfilley present at tining portionwas not assocnation. The water exposuras applicablview of the ons and resuBackfilled Bae model for ed as the Basradioactivityement End So a conditionM conceptuarete remainson geometryults of the Bper mCi totcannot be rremain in thatively includBFM M Insitu geomradioactivityand 2) expoon of an onswater (BFM BFM InsitudsWater ReactorPlan Overview erformed to will not resn. This sectioional methodntial sources purpose of dntact LACBof containinradioactivited basementthe LACBWn of the Circciated with cpotential fore factors wle to demonsdose assessmults are proviasements backfilled bsement Fill My remaining iState will ben that wouldal model incls in the "as-y where somBFM dose tal activity fruled out thahe ground. de the sum oInsitu Scenametry includy as a resultosure to drilsite water suInsitugw). T). r demonstrateult in a doson provides ds for dose aof residual dose modeliBWR Adminng significanty to remaints. There is WR site or wiculating Watcontaminatedor significanwere calculatstrate compliment methodided in sectiobasements toModel (BFMin the baseme comprised d not realistiludes two soleft" configume or all of thassessmentsfor each of at a portion oTherefore, of the BFM Iario des two expot of leachinglling spoils upply well. TThe drilling 6-7 e that residuse to the AMa general ovassessment. radioactivitying; backfillnistration Bunt levels of n at the timno indicatioll be presentter Discharged systems annt groundwated. The dosiance with thds for the foons 6.7 to 6.o remain beloM). The BFMments. of backfilleically allow ource term guration at thhe concrete is are expresthe three bof the backfithe final doInsitu and BFosure scenarig from the bthat are broThe well waspoils scenaual radioactivMCG (indusverview of thy in the Endled basemenuilding will residual radme of licenseon that signt in the End e Pipe, the lind is expecteater contamise from eachhe 25 mrem/our sources .17. ow 636 footM calculatesed concrete sthe remainingeometries; 1he time of liis excavated ssed as Dosasements anfilled structurose for demFM Excavatios; 1) expobackfilled cought to the ater scenario ario is designvity remainistrial workehe LACBWd State that nts, soil, bualso remaindioactivity, e terminationificant soil State. Withimited burieed to containination is alh of the fou/yr dose criteis provided t elevation (s the dose to structures thng structure1) the Insitucense terminand broughtse Factors (nd the Remares could bemonstrating tion dose. sure to well oncrete surfsurface duris designatenated as BFMng at the timer) exceedinR site concewere categouried pipingn intact but if any. Theon will be incontaminatih the exceptied piping than minimal, iflso very lowur sources werion. below. Det(see Table 6the AMCG hat are physis to be occuu geometry wnation and 2t to the surfa(DF) in uniaining Struce excavated compliancewater contafaces into thring the assued as BFM IM Insitu Drme of ng the eptual orized , and has a e vast n the ion is ion of at will f any, w but will be tailed -1) is from ically upied. where 2) the ace. its of ctures and a e will aining he fill umed Insitu rilling La CrossLicense TRevisionThe concfloors anwith theradioactivrelease owater supand flowa clean cdirect expathway The BFMare brougterminatiThe resiinstallatiobrought tpathwaysThe BFM(RESRAspreadshassessmebasementat the timfor each with the 6.5.1.2.The BFMexcavateconservacredit forassumed which is contaminExcavati mrem/yr the averaare not ex BFM Ex"Remainse Boiling WTerminationn 0 ceptual modnd walls is r concrete svity is releaoccurs immepply well is w to the well cover of at lxposure and to the indusM Insituds sceght to the suion, before aidual radioaon is assumto the grouns are the samM Insitugw dAD) v7.0 meet calculatients are exprt (and the Reme of licenseRadionuclid25 mrem/yr BFM M Excavatiod and spreatism, the excr radioactiveto inadverteconsistent wnation. Theon DFs that per total mage concentrxceeded. xcavation DFning StructurWater ReactorPlan del for the Beleased to asurfaces afteased instantlediately afterassumed tois conservatleast 3 feet isoil ingestiotrial worker enario assumurface. The any leaching activity in ted to be inand surface, ame as those thdose assessmmodel. The ions coupledressed as DFemaining Ste terminationde of Concerdose criterioExcavation on scenario aad on the cavation is ae decay. Thently mix wwith the guie calculationare expresseCi. The funration in the Fs were calcres" consistenr BFM Insitugwadjacent fill er backfill. y into the fir license ter be installedtively modelis present ovon/inhalationAMCG is dmes that the dwell installafrom concrethe floor coadvertently mand spread ohat apply to ment is impleBFM Insitud with RESRFs in units oructures) (sen, as determirn (ROC), anon. Scenario assumes thaground surassumed to oe residual rawith the masidance in NUn is performed in the samndamental dexcavated cculated sepant with the B6-8 w scenario athrough leacThe scenarfill which is rmination takd adjacent toled assumingver potentialn is negligibdrinking watedrilling spoiation is assuete occurs anoncrete thatmixed with tver a 15 cmcontaminateemented usinuds dose asRAD modeliof mrem/yree Table 6-1ined by the Fnd summed at some or aface at somoccur immedadioactivity ss of structuUREG-1757med using Eme units as tdriver of the concrete is liarately for thBFM Insitu Dassumes thatching into wrio assumes then treatedking no credo the down gg that structully contaminble or zero. er from the oils from the iumed to occnd taking not is contactthe fill matem thick layered surface song the RESsessment ising. The resper mCi tot). The invenFRS, will beas necessaryall of the bacme time aftdiately after remaining inural concrete7, Appendix Excel spreathe DFs for tBFM Excavimited such the Reactor BDF calculatit the residuawater that cothat 100%d as contamdit for radiogradient edgures are not nated surfacThe BFM Ionsite well. installation ocur immediao credit for rated by the erial above tr. The BFM oil. idual RADis implemensults of the tal activity intory of reside multiplied y, to demonsckfilled struter license license termn the backfie removed dJ, for addreadsheet and the BFM Insvation DF cthat the surfBuilding, Wions. al radioactiviomes into co% of the resminated soil. oactive decayge of the buipresent. Becces the dose Insitugw expof the onsiteately after licadioactive dborehole dthe floor surInsituds expoactive matnted using EBFM Insitu nventory in dual radioacby the BFMstrate complucture concreterminationmination takinlled basemeduring excavessing subsuresults in situ scenariocalculation isface soils DCWTB, WGTVity in ontact sidual The y. A ilding cause from osure e well cense decay. during rface, osure erials Excel dose each ctivity M DFs liance ete is . For ng no nts is vation urface BFM o, i.e., s that CGLs V, and La CrossLicense TRevision6.5.2.SDerived Cradioactivused to pFor conscontainedcm woulcontaminmodelingUsing a contaminpotential a clean soIn the uduring FdiscovereCommissStandardwith guid6.5.3.BWith thepiping tocontaminconducteThe conctwo sceninternal slayer of sthe soil mthe pipe e2.54 cm transportDischargassumes layer of sand Excascenariosin units ose Boiling WTerminationn 0 oil Concentratiovity in surfaperform the cservatism, ad in a 1 m deld result in nation is ideg may be re1 m thicknation with for subsurfaoil layer oveunlikely evenFSS that ared geometriesion (NRC) wd methods fodance in NUBuried Pipine exception oo remain anation potened to developceptual modnarios: Insitusurfaces of tsoil in an aremixing layerexcavation. layer of soit and migratige Pipe whithat the pipsoil on the gavated soil s. RESRAD of dpm/100 cWater ReactorPlan on Guidelineace soils thacalculation. and to optimepth from thlower dose entified at Lquired if thekness reduca thicknessface contaminer a contaminnt that geomre not bounes will be adwill be notifor RESRAD UREG-1757. ng of the portioat LACBWRntial is minip DCGLs forel for the buu and Excavthe pipe is aea equal to thr is 15 cm dThe Insitu scl with no crion. This is ach will be pe is excavatground surfavia the sammodeling iscm2. r e Levels (DCat correspon mize remedhe surface. A(i.e., higherLACBWR we conceptuaces the pots somewhat nation to remnated soil laymetries are nded by theddressed by fied if additioparameter sThe AMCGon of the CiR was assoimal (see Tr pipe. uried piping vation. In thassumed to ihe internal sdue to the excenario assuredit taken foa conservativfilled with ted followedce with no cme pathwayss used in con6-9 CGLs), in unnd to the 25diation efficA standard sur DCGL). Hwith a thicknal model assutential for greater thamain in the yer at depth.encounterede assumed additional monal modelinselection andG for soil is thirculating Wociated withTable 6-2).dose assessmhe Insitu scinstantaneousurface area xtensive groumes that thefor the preseve assumptioa flowable d by instant cover. The Ins applicable njunction witnits of pCi/gmrem/yr dociency, surfaurface soil cHowever, in ness greater umed a 15 delays or an 15 cm isEnd State w. d during co1 m soil cmodeling. Tng is required uncertaintyhe IndustrialWater Dischah contaminaA buried pment is simicenario the rusly release aof the pipe. ound surfacee released raence of the pon, particulafill materiarelease of andustrial Wo to the BFMth Excel sprg, were develose criterionface soil is ontaminatiothe unlikelthan 15 cmcm contamiunnecessarys encounterewith a geomeontinuing chontaminatioThe U.S. Nued. y analysis arl Worker. arge Pipe, noated systempiping dose ilar to the Bresidual radand mix witFor the Exce disturbancedioactivity ipipe to reducarly for the Cal. The Excall radioactivorker is expoM and soil readsheet to loped for resn. RESRADdefined ason thicknessly event tham additional ination thicky remediatioed. There isetry comprisharacterizatioon thicknessuclear Regulre used consone of the bms and therassessmentBFM and incdioactivity onth a thin 2.5cavation scene associatedis a below grce environmCirculating Wcavation scevity into a 1osed to the Idose assesscalculate DCsidual D was s that of 15 at soil dose kness. on if s low sed of on or s, the latory istent buried refore t was cludes n the 54 cm nario, d with round mental Water enario 5 cm Insitu sment CGLs La CrossLicense TRevision6.5.4.EGroundwlicense teLow levewell pairgroundwcontamin6.5.5.RThe LASwitchyacontain rin NUREand Equi6.5.6.DThe varioexclusiveBFM Insthe activwith the encounteThe dos simultanedemonstrfollowingmaximmaximsum omaximmaximmaxim6.5.7.AAs discuforeseeabuse scenawell and A qualitalower thase Boiling WTerminationn 0 Existing Growater monitoermination. Tels of H-3 anrs were instawater concennation presenRemaining AACBWR Adard Fire Serresidual radEG-1575, Suipment ManuDose Summaous source te. For examsitu drilling vity released groundwateering the wee from soieously with rate compliag using the mmum BFM Imum BFM Eof the BFM mum soil domum buriedmum existinAlternate Scussed in seble" scenarioarios were coonsite gardeative evaluaan that calcuWater ReactorPlan oundwater oring has beThe final mond Sr-90 havalled at the sitration are pnt at license Above Groudministrativevice Water dioactivity. Tupplement 1ual (MARSAation for Coterms and comple, althougspoils scenato groundwer activity rll. Thereforel, buried pthe BFM doance with thmean values Insituds doseExcavation dInsitugw dosose, d piping doseng groundwaenarios ection 6.4, o based on ponsidered inen. ation of a reulated for ther een and wilonitoring datve been idenite. Groundwprovided to termination,und Buildinge Building, System willThey will b, Multi-AgeAME) (4) . ompliance onceptual mgh a low proario and subswater in the released froe, the BFM iping, and ose scenariohe 25 mrem/from FRS:e, dose, e from all bae, ater dose. the industrpast and projncluding recrcreational lae industrial u6-10 ll continue tte will depenntified in samwater exposuperform do, if any. gs LACBWRl remain intbe free relency Radiatiomodels discuobability, a sequently exBFM Insituom another Insitugw dosgroundwateos. Therefore/yr dose critasements comrial use scejected use oreational useand use scenuse scenario to be condund on the evmples collecture factors inose assessmeR Crib Houtact. The beased in accon Survey aussed above given basemxcavated. Anugw scenario basement thse will be suer could alse, the final sterion will inmbined, enario was of the LACBe, and residenario conclubecause occucted until valuation of ted since 20n units of ment for existuse and Tuildings arecordance wiand Assessmare not necement could bnother examfor one bashat is downummed acroso be viewsite-wide donclude the sselected aBWR site. Twential use wituded that thcupancy timesometime bsampling re12 after fivemrem/yr per pting groundwTurbine Buie not expectith the guidment of Mateessarily mutbe subject tmple could besement comn gradient boss all basemwed as occuose assessmesummation oas a "reasonwo alternateth a water suhe dose woue would be lbefore esults. e new pCi/L water ilding ted to dance erials tually to the e that mbines before ments. urring ent to of the nably e land upply uld be ess La CrossLicense TRevisionthan thatthe recrethan assuThe residscenario spreadshstates thaassurancesection 6M6.6.A comprpresent athat havecharacterthe primaThe initiaand BFMthe soil DROC thadescribed6.6.1.PEnergySoDecommdocumenReactor MAround Decommfuel inve10 CFR PThe list oafter elimwith theoCo-60 ansamples) coupled several apresent dFinally, Piping anwere not se Boiling WTerminationn 0 t assigned toational land umed for thedent gardenas defined ieet, to calcuat if the peake that the sc6.15. Mixture Frarehensive "iat the LACBe not been rization but ary radionucal suite mixtM DF dose asDCGLs andat will be cd in section 6Potential Raolutions TSissioning (5nts were revMaterials, (6Commerciaissioning Asentory assessPart 61 wastof activationminating noboretical neutnd Ni-63 (th. The reviewith reviewadditional raduring the dethe results ond Ventilatioalready accoWater ReactorPlan o an industriuse scenari industrial wner land usein NUREG-ulate the dosk dose fromenario is unlctions for Ininitial suite'BWR site. Apositively could theoreclide which iture fractionsssessments. d BFM DFs considered d6.5.6. dionuclidesSD RS-TD-5) establisheviewed incl6), and NURal Nuclearssessment (7sment condute stream anan product rable gases, radtron activatihe prominenew of Referw of the LACadionuclidesecommissionof concrete on Tunnels ounted for br al worker. o the recreatworker. e was consid1757, Table se from the Rm a less likelylikely wouldnitial Suite of 21 radiAs discussed identified inetically be pis Cs-137. s were used The initial sto identify during the Fs of Concern-313196-001ed an initialuding NURREG/CR-428r Power 7). The revieucted in 1988alyses were aadionuclides dionuclides wion productsnt activationrence 6, whCBWR fuel s being incluning of LACcore samplwere reviewby the assessm6-11 In addition, tional user'sdered to be5-1. RESRAResident Gay put plausibd be necessarRadionuclidonuclides wbelow, the in LACBWRpresent, albein the RESRsuite mixturethe insignifFRS and finn and Initial1, Radionucal suite of pREG/CR-34789, ResidualPlants; Oew also inclu8 that was dalso reviewefor considewith half-livs with abundn products idhich includeinventory auded in theBWR. es collectedwed. No radiments descri if a water ss intake rate e a "less likAD was useardener alterble scenariory. The alterdes were identifiinitial suite R 10 CFR it at very loRAD uncertae fractions wficant dose cnal dose sul Suite clides of Cpotential RO74, Long-Lil RadionuclidOrigin, Disuded an evadecay correced. eration in theves less than dances less dentified in s both activand 10 CFR e list of thod from the Wionuclides wibed above. supply well from the wkely but plaed, in conjunrnate scenario is "significrnate scenariied that couincludes maPart 61 anow mixture fainty analysewere used in contributorsummation foConcern DOC. Two inived Activatde Concentrstribution, aluation of a cted to Januae initial suittwo years, athan 0.01 peLACBWR vation and Part 61 anaose that couWTB, Reactwere positive were installwell would beausible" landnction with Eio. NUREG-cant" then grio is addressuld potentialany radionucnalysis or dfractions, reles for Soil Dconjunction and final lor compliancDuring LACndustry guidtion Producration WithinInventory, LACBWR ary 2015. Sete was develand radionucercent relati10 CFR Pafission prodalyses resultld be potentor Buildingely identifiedled in e less d use Excel -1757 reater sed in ly be clides during lative DCGL n with ist of ce as CBWR dance cts in n and and spent everal loped clides ive to art 61 ducts, ted in ntially g and d that La CrossLicense TRevisionThe resuin Table 6.6.2.MAs descrdevelopeWTB, an1.27 cm fractions fractions MinimumconcentraprovidedThe mixtfraction justified across co se Boiling WTerminationn 0 lting list of p6-3. The prMixture Fraribed in Reed from concnd Piping/Veslices from . The use ofassigned tom Detectablation data avd in Table 6-3Tture was basfor all buildin Referencores from theWater ReactorPlan potentially pocess for detctions for Inference 5, tcrete core daentilation Tuthe cores wf cores witho low abundle Concentrvailable. Th3. Table 6-3 sed on a comdings. The ace 5 by a ree different arr present radiotermining thnitial Suite the mixtureata collectedunnels. The which were thh higher condance radionration (MDhe mixture frInitial Suand MixNuclideH-3 C-14 Fe-55 Ni-59 Co-60 Ni-63 Sr-90 Nb-94 Tc-99 Cs-137 Eu-152 Eu-154 Eu-155 Pu-238 Pu-239/240Pu-241 Am-241 Am-243 Cm-243/244Total mpilation of 1application oeview of Csreas. The pot6-12 onuclides is he mixture frRadionuclid fractions fd during chavast majoritherefore usencentrations nuclides werC) values ractions assiguite of Potenxture FractMixtFract0.0000.0000.0020.0100.0120.0800.0090.0000.0000.8770.0000.0000.0000.0000.0000.0030.0000.0000.0001.012 cores fromof the combs-137/Sr-90 tential effectcalled the "Iractions is dedes for the Initiaracterizationty of the acted to determwas requirere not overlywhich weregned to the Intial Radiontions ture tions 071 065 294 038 221 048 907 008 015 736 093 080 045 014 013 306 037 004 005 00 m all buildinbined data toratios whict of uncertaiInitial Suite"escribed beloial Suite radn from the Rtivity was lomine the radied to ensure y influencede in many Initial Suite nuclides ngs to determo determine ch were relainty in the m" and is provow. dionuclides Reactor Builocated in theionuclide mithat the mid by the repcases the radionuclidemine one mithe mixtureatively consmixture fractivided were lding, e first ixture ixture ported only es are ixture e was istent ions La CrossLicense TRevisionon the finmixture iuncertainbecause Complianconcentraemitters insignificsoil DCGthat is podemonstrThe primDetect (HFRS. Hoconservafraction. There wpredominevaluatioless than HTD radMDC vaTherefor soil and ucontributsufficientS6.7.Site-spec10 CFR 2radionuc percentagThe surfuniformlyexpectatigeometrywith conc6.7.1.SThere is based onsubsurfacmonitorinse Boiling WTerminationn 0 nal complianis comprisednty in the mithe FRS fnce with thations for gthat were cant contribuGLs and Burositively idenration. mary source oHTD) mixtuowever, the ative and prSee section were only anantly Cs-1on of the relathe MDC. Wdionuclides talue which ce, the radionused to detertor dose pert margin to aoil Dose Ascific DCGLs20.1402 doslide in orderge and the fiface soil coy contaminaions that at y consisting centrations eoil Source Tlimited poten the resultce soil conng results doWater ReactorPlan nce dose cald of Cs-137 ixture fractiofor structuree 25 mrem/ygamma-beta designated utor dose caried Pipe Dntified durinof potential ure fractions method useovides suffi6.13 for the a few posi37, and thative mixtureWhen the Cthat are not could be ordnuclide mixturmine the socentage assiaccount for msessment ans were develse criterion r to provide inal list of Ronceptual mated 1 m laythe time ofof a clean exceeding thTerm ential for sigts of soil cntamination own gradientr lculations iswhich is a ons for Cs-1es and soilyr dose critemitters. Nas insignifialculation anCGLs. The g FRS will bdose impactbecause theed to calculaicient margiassessment itive soil se concentrae fractions fos-137 concepositively iders of magnure fractionsoil ROC. Hoigned to soilmixture uncend DCGL loped for resof 25 mrem/an input to OC. model assumyer of soil f license tersurface layehe surface sognificant surcharacterizatunder the t of suspecte6-13 s minimized beta-gamma37, or any ol will be pterion will bNote that thcant contribnd the correadditional dbe directly ct from mixtuere will be nate the insigin to accounof insignificsample resuations were for the HTD ntrations areidentified arnitude highes determinedowever, as dl is demonstertainty. sidual radioa/yr. A DCGthe determimes that thefrom the grrmination reer of soil ovoil DCGL. rface or subion performTurbine Bued broken drby the fact a emitter. Tother beta-gaperformed ube demonstrhe dose conbutors is alesponding addose from ancalculated anure uncertainno analysis ognificant cont for uncercant contribuults identifiinsufficienradionuclidee low the relre artificiallyer than the ad from the codescribed in trated to be activity in sGL was calination of ine soil contaround surfacesidual radiover a contamsurface soil med in 2014uilding baserain lines. Hothat the vasThere is no damma emittiusing gammrated using ntribution frlready accoudjustments tny beta-gamnd included inty is limiteof HTD radiontributor dortainty in thutor dose peried during nt to provides which welative mixtury increased actual concenoncrete coresection 6.13conservativurface soil tculated for nsignificant camination isce downwardoactivity wiminated subscontaminati4. There ared on positowever, geost majority odose impact ng radionucma spectroscactual mearom beta-gaunted for into the BFM mma radionuin the compled to the Harionuclides dose percentahe HTD mircentage. characterizade a meaniere all reportre fractions odue to usinntrations prees were appli3 the insignifve and to prothat represeneach initial contributors s contained d. There arill remain wsurface soil ion at LACBre indicationtive groundwprobe samplof the from lides, copy. sured amma n the DFs, uclide liance rd-to-during age is ixture ation, ingful ted as of the ng the esent. ied to ficant ovide nt the suite dose in a re no with a layer BWR ns of water les La CrossLicense TRevision collectedplant-dercontinuinsoil expoSoil charbiased sucollected137 abovindicatedsamples 60 result6.7.2.SThe AMapply: DirecInhalIngesIngesThe agrimilk, graS6.8.The RESfor the EnergySoFactors (6.8.1.PRESRADbelong tolocation site-spec characterexposureBehaviorfor the s changed LACBWfor both tse Boiling WTerminationn 0 d under the Trived radionng characteriosed. racterizationurface soil sad inside the Lve the MDCd Co-60 abovindicated Css greater thaoil ExposurCG at the Lct exposure tlation of airbstion of soil stion of watecultural andain and vegetoil DCGL CSRAD modelmodeling olutions TS(8). Parameter SD parameterso more thanof the sourcific) includiristics of atme to, the doseral parameteite. For the(e.g., paramWR, the behathe BFM andWater ReactorPlan Turbine Buinuclides aboization after n results are amples and 7LSE fence. TC with a mave the MDCs-137 abovean MDC. There PathwaysLACBWR sto external raborne radioacer from onsitd gardening table ingestiComputatiol was used todiscussed D RS-TD-3Selection Pros are classifin one categoe term and tng the geohmospheric ane receptor areers define thee same groumeters for avioral paramd soil dose ar ilding in theove backgrthe Turbineprovided in 79 subsurfacThirteen of taximum of C with a maxe MDC with e Cs-137 ress and Criticite is the Inadiation ctivity te well pathways aon pathwayson Model - Ro calculate Dbelow are313196-004,ocess fied as behavory. Physicthe geologichydrologic, gnd biosphere also conside receptor's up of receptoindustrial umeters are baassessments. 6-14 e vicinity ofround. Subse Building foLTP Chaptece soil samplthe surface s1.07 pCi/g. ximum of 0.a maximumsults are all ical Group ndustrial Woare not applis are therefoRESRAD v7DCGLs for se provided LACBWR vioral, metabcal parameteal characterigeochemicalric transport dered physicbehavior coors, a paramuse could beased on an i f the suspectsurface soiloundation iser 2 and sumles (at varyinsoil sample aTwo of the287 pCi/g. Fm of 0.161 pin the range orker. The foicable to indore not includ7.0 surface soil.d electronicSoil DCGLbolic or phyers are deteristics of the l, and meteoup to, but cal input paraonsidering thmeter value ce different industrial ust drain linesl will be es removed anmmarized heng depths toanalyses resue surface soFifteen of thpCi/g with nof natural bafollowing exdustrial landded. The RESRAcally in coL and Concsical. Somermined by thsite (i.e., soorologic chanot includinameters. he conceptuacould changfrom residese scenario as did not ideevaluated dnd the underere. A total six meters) ults indicateoil sample rehe subsurfaceno subsurfaceackground.xposure pathd use. The mAD output reonjunction crete BFM e parametershe geometryurce-specifiaracteristics. ng, uptake bal model selge if the sceential use). and are the entify during rlying of 22 were d Cs-esults e soil e Co-hways meat, eports with Dose s may y and c and The by, or lected enario For same La CrossLicense TRevisionMetaboliset of mePhysical,dose moduses singselectionArgonne Priority 1ranking iProbabilPriority 3from the either asparametesite-spec from thePriority 1negativelnegativeland positto positivthan 0.25ConsistenparameteContaminTable 6.8Figure 6-determinto determ6.8.2.RThe uncerounded radionuc respectivSection Ifor. The practical with the for selectAttachmefor the unse Boiling WTerminationn 0 ic parameteretabolic para, behavioral deling to calgle values fon process is dNational L1 parametersis documentlistic RESRA3 physical pparameter dsigned site-er distributioific paramete RESRAD 1 and 2 parly correlatedly correlatedtively correlvely correlat5 were assignnt with theers were assination Fro87. -7 provides nistic paramemine the finaRESRAD Paertainty analmixture fralides, and enve mixture fI.7.5 and ensthreshold oimplementaobjective oftion of deterent 6-1 provncertainty anWater ReactorPlan rs define cerameters appliand metabollculate soil Dor input pardescribed belLaboratory (s have the hted in AttachAD 6.0 and Rparameters wdistributions specific detons defined iter distributiuncertainty rameters. Ad to dose. Td parametersated to doseted parametened the mede guidance igned the meom Decoma flow cheters and parl deterministarameter Selysis includeactions of 0ntered into Rfactions. Thisures that theof 0.1% foration of the Rf identifying rministic parvides a tablenalysis. The r rtain physiolies to both thlic parameteDCGLs (andameters andlow. (ANL) rankhighest potehment B to tRESRAD-BUwere assignedefined in Nterministic vin NUREG/Cions. The Panalysis wA PRCC vaThe 25th percs. A PRCCe. The 75th pers. Priorityian value of in NUREGean values frmmissioning hart of the rameter distrtic parameteelection for Ued all of the0.1% or greRESRAD foris approach e sensitivitier including RESRAD unsensitive paameters throe with the dereferences o6-15 logical charahe BFM anders are treated BFM DFs)d generates aked physicalntial impactthe ANL repUILD 3.0 Comed either a sNUREG/CRvalues, evaluCR-6697, orPartial Rank ere used to alue less thcentile of theC value greapercentile of1 and 2 parafthe parametG-1757, secfrom NUREGParameterparameter ributions is uer set used toUncertaintye initial suiteeater. The cr the uncertais consistenes of the signradionuclidencertainty anarameters foough the unceterministic or justificatioacteristics ofd soil dose ased as determi). The detera single vall parameterst on dose anport, NUREmputer Codesite-specific R-6697. Priouated by unr evaluated bCorrelationevaluate thhan -0.25 we parameter ater than +0.f the parameameters withter distributiction I.6.4.2,G/CR-5512 r Analysisselection prused in a REo calculate soy Analysis e radionucliconcentratioainty analysnt with the nificant radioes was primnalysis modur significantcertainty anavalues and ons for the pf the potentissessments. inistic paramrministic molue for doses by prioritynd Priority 3EG/CR-6697,es, (NUREGvalue or thority 1 and 2ncertainty anby uncertainn Coefficienhe relative swas considerdistribution.25 was coneter distributh a PRCC abion. , metabolic Vol. 3, Resi(NUREG/rocess. TheESRAD Uncoil DCGLs. des from Tans assignedis, were valuguidance inonuclides armarily applieule but is alst radionuclidalysis is discuparameter dparameter selial receptor. meters in theodule of the . The paramy as 1, 2, 3 the least. , DevelopmeG/CR-6697) he median v parameters nalysis usinnty analysis unt (PRCC) vsensitivity ored sensitiven was assignnsidered sention was assibsolute valueand behavidual Radioa/CR-5512) set of selcertainty Ana able 6-3 thad to the selues equal ton NUREG-re fully accoued to facilito fully consdes. The ratiussed belowdistributions lections are One e final code meter or 3. This ent of (9). values were g the using values of the e and ned to sitive igned e less vioral active (10) lected alysis at had lected their 1757, unted tate a istent onale w. used listed La CrossLicense TRevisionin Attachand the gwith theparameteThe contspecific sto ensurethan the from RefContaSoil DSoil PSoil ESaturA site-spparameteSupport HydrologThe Inha5512, Taequates tInhalatioA similarindustria residentiarate for aThe RES6697 AttAssuminmajority report Usand 25 (2190*.7(2190*.2Site-specPumpingLACBW129 foot The 33.1be represse Boiling WTerminationn 0 hment 6-1. Tgeneric para process floer distributiotaminated arsoil type is se efficient retypical defaference 1 weaminated ZoDensity, Porosity, Effective Porated Zone Hpecific deterer based on Document gical Paramalation Rate able 5.1.1 whto 23 m3/d. n Rate (m3/yr process wal worker. NUal user whica worker as fSRAD paramt. C, Table ng 5 days a of industriaser's Manua% outdoo75)/(24*365)25)/(24*365)cific parametg Rate ParamWR. The welldepth is 109 m depth is asented by a nWater ReactorPlan The basis foameter distriow chart inons are discurea was assusand. The demediation (iault value oere applied: one Hydraulirosity, Hydraulic Grrministic vala calculatio14-006, Coeters in Suppparameter fohich provide The inhalayr) = 23 m3/das followed UREG/CR-5h correspondfollows: 1.31meters Indoo7.6-1, whicweek and al work is eal for RESRArs. The ) = .1875) = 0.0625. ter distributimeters. Therel depths are 9 feet (33.1 massumed to bnominal 20 fr or the behavibutions (NUn Figure 6-ussed in moreumed to be thepth of soil cif necessary)of 0.15 m. Tic Conductivradient. lue was alsoon performeonestoga Roport of Dosefor the industes an annual ation rate thd ÷ 24h/d

• 2to determin5512, Table ds to 1.31 L/1 L/d

• 250 wor and Outdoch recomme50 weeks pexpected to AD Version correspondi5. The Ouions were dee are two exi116 feet anm) below thbe maximumfoot screen d6-16 vioral and mUREG/CR-67. The basie detail belowhe full 7500contaminatio) and FRS if The followinvity, o selected foed for a sanovers & Ase Modeling ftrial worker inhalation re industrial 2000 h/y = 1ne the Drink6.87, provid/d. This ratework days/yoor Time Frnds a mediaper year, thibe indoors.6 (12) , 75%ng RESRAutdoor Timeveloped foristing onsitend 129 feet bhe average wm well depthdepth (6.08 mmetabolic par6697) are stris for the sw. 0 m2 area inson was consef contaminating site-specifor the "Satund soil typessociates (Cfor the Zion RAMCG warate of 8400/worker was1917 m3/yr.king Water Indes a water e was conservyr = 327 L/yrractions werean indoor wis equates toConsistent % of work tiAD Indoome Fractionr the Well Pe industrial wbelow the gwater table elh. The minimm) starting atrameters (NUraightforwarsite-specific side the LSEervatively asion is foundific determinurated Zone in ZionSolCRA) ReporRestoration as derived fro/y for a resids then calcuntake Rate pintake rate ovatively appr. e derived frowork day ofo 2190 houwith Table ime is assumor Fractionn is thenPump Intakewater supply ground surfaclevation whimum well dept the averageUREG/CR-5rd and cons parametersE fence. Thessumed to bed at depths grnistic parame Field Capalutions Techrt, EvaluatioProject (11)om NUREGdential user.ulated as folparameter foof 478 L/yr plied as the inom NUREGf 8.76 hour8.796296e-4 days <br />0.0211 hours <br />1.256614e-4 weeks <br />2.8918e-5 months <br />surs per year.2-3 of themed to be indn parameten calculatede Depth and wells suppoce (bgs) (1)ich is 20 feetpth is assume water table5512) istent s and e site-e 1 m reater meters acity" hnical on of ). G/CR-. This lows: or the for a ntake G/CR-s/day. . The ANL doors er = d as Well orting . The t bgs. med to e La CrossLicense TRevisionelevationbetween similar tdistributiNUREG/variabilitpumpingdevelopepersons oassumingwhich eqactual wato providThe remawith the p6.8.3.SThe full ReferencThe uncewere senThe sensdistributiFour MajprovidedNUREG/determinTable 6-paramete N se Boiling WTerminationn 0 n. The mode6.08 m and to the NURion. /CR-6697 dty. For an indg rate is inced. NUREGof 328.7 m3/g four workquates to164ater use at ade a range thaining paramprocess flowoil DCGL URESRAD Uce 8. The uncertainty analnsitive whichsitive paramions in Shepajor Soil Typd in Referenc/CR-6697 dnistic values 5). The uncers evaluatedTable 6-4RadionuclideCs-137 Eu-152 Eu-154 Note 1: NS indicWater ReactorPlan e of the rec33.1 m whicREG/CR-66oes not provdustrial use cluded in tG-6697, Tabl/yr. This valers. A nomi3.5 m3/yr. Tan unknown at can be usemeters in Atw chart in FigUncertaintyUncertainty Rcertainty analysis results h are listed, meter for Cs-ppard and Thpes: A Compce 13 and wdistribution. for sand frocertainty anad are listed in4 Determused ine Kd in ConZone 75th NS1 75th cates non-sens r commended ch is 19.6 m97 distributvide a recomscenario, thethe uncertaile 3.10-1 applue is assuminal maximuThese minimfuture indused to determttachment 6-gure 6-7. y Analysis RReport for Soalysis resultsfor the Kd along with -137 was ashibault, Defapendium, (13was thereforeAll non-seom Referenalysis resultsn Table 6-6.ministic Valn to calculataminated 1460 NS 7302 itive paramete6-17 triangular d. Note that thtion values mmended ve pump rate inty analysiplies a sanitamed to be theum rate is amum and maxstrial facilitymine if the do-1 not discuResults oil DCGL pas are provideparameters the selectedssigned the ault Soil/Soli) which aree assigned thensitive Kdce 13 as liss and the selues selectedate Soil DCGKd in UnsZone NS 75th NS r distribution he site-speciof 6, 10, alue for wedepends on s a nominaary and potae minimum assumed basximum valuey on the site ose is sensitivussed above arameters ised in Tables indicated thd determinist75th percentid /Liquid Palisted in Rehe 75th percd parameterssted in NURelected deterd for SensitGLs saturated NS 7302 NS is assumed ific distributand 30 foell pumping industry. Toal uniform able water usindustrial wsed on supples are not inafter licensve to well puwere selects provided el6-4 to 6-6. hat only thretic parametetile value frartition Coefeference 8. Eentile value s were assREG-6697, Trministic valive Kd paraKd in SaturZone NS NS NS to be mid-tion is reasonor the trianrate due to o ensure thatdistributionsage rate forwell pumpingly to 20 wontended to pre terminatioumping rateed in accordlectronically ee Kd paramers, in Tablerom the sanefficients, KdEuropium wafrom the deigned the mTable 3.9-2lues for all ameters rated NS NS NS -point nably ngular high t well n was r four g rate orkers redict on but . dance y with meters e 6-4. nd Kd ds, for as not efault mean (see other La CrossLicense TRevision NN TS6.9.The soil parameteContaminunsaturatelectronise Boiling WTerminationn 0 Table 6-5RadionucH-31 C-14 Fe-55 Ni-59 Ni-63 Co-60 Sr-90 Nb-94 Tc-99 Cs-137Eu-152Note 1: Sand KdNUREG-6697, TTable 6-6 ContaminatedContaminatedEvapotranspiWind Speed1 Runoff coeffiSaturated zonWell pump inb Parameter oMass loadingIndoor dust fiExternal gamWell PumpinDepth of Soiloil DetermiDCGLs weer distributionated Zone Fted and saturcally with RWater ReactorPlan 5 DetermKd palide K7 1 ds not listed in Table 3.9-1 waSoil DCGfor Non-NParameter d zone erosion d zone b paramration coefficieicient ne b parameter ntake depth of Unsaturated g for inhalationiltration factor mma shielding fng Rate l Mixing Layerinistic Analyere calculateons replaced Field Capacrated zone. TReference 8. Tr ministic pararameters foKd (cm3/g) 0.06 5 220 400 400 60 15 160 0.1 280 825 NUREG-6607as used. L UncertainNuclide Specrate meter ent zone n factor r ysis and Soid using the by the deterity was alsoThe full RESThe Soil DC6-18 rameter valuor soil DCGRadiEuEuNpPuPuPuPuAmAmCmCm7 Table 3.9-2 fnty Result acific ParamUncertaintResult median median median median 75th median median median median median 75th median 25th il DCGLs parameter srministic valu changed froSRAD SummCGLs for theues selectedGL calculatioionuclide u-1541 u-1551 Np-237 u-238 u-239 u-240 u-241 m-241 m-241 m-243 m-244 for this radionuand Determmeter Distribty Selected0.0015 0.97 0.62 6.8 0.45 0.97 19.6 0.97 2.35E-050.55 0.4 986.1 0.15 set providedues listed in om 0.2 to 0.mary Reporte Initial Suited for non-seon Kd (cm825 825 5 550 550 550 550 1900190040004000uclide. The meaministic Valubutions d Deterministi5 d in Attachmn Tables 6-4, 066 to be cot for Soil DCe are listed innsitive m3/g) 0 0 0 0 an value from ues selected ic Value ment 6-1 wit 6-5 and 6-6onsistent witCGLs is provn Table 6-7. th the 6. The th the vided La CrossLicense TRevisionB6.10.The BFMthe backfconceptumore detpathwaysThe BFM(639 foot20 feet bgroundwseasonal and Ventthe averaassumed The seas above 61somewhain the satThe BFMexposuredrilling sse Boiling WTerminationn 0 Basement FiM is used to filled basemual model watail includings. The compM conceptuat), i.e., to an bgs at 619 fowater is in dgroundwatetilation Tunnage water tato be instalonal water f19 foot and at of an exceturated zone M includes twe pathways; spoils that arWater ReactorPlan ll Conceptucalculate doments to remas provided g assumed putational moal model assuelevation ofoot elevationdirect commer fluctuationnels, the seaable level, illed in the safluctuations contacting beption in tha(see Figure Table 6-7wo scenarioingestion ore assumed tr ual Model ose to the indain after licein section 6physical conodel is descrumes that alf 636 foot, an (1) which dmunication wn. Based onasonal fluctui.e., to the 6aturated zonresult in flubackfilled stat a portion o6-6). 7 LACBSuite RRadionuclideH-3 C-14 Fe-55 Ni-59 Co-60 Ni-63 Sr-90 Nb-94 Tc-99 Cs-137 Eu-152 Eu-154 Eu-155 Pu-238 Pu-239 Pu-240 Pu-241 Am-241 Am-243 Cm-243 Cm-244 s; Insitu andof drinking to be brough6-19 dustrial workense termina6.5.1. This senfiguration, gibed in sectill structures and then backdefines the bwith the Min direct obseuation can re629 foot elene below theushing of watructure surfof building isBWR Soil DRadionuclide Soil d Excavationwater from ht to the surker AMCG fation. A genection descrgeohydrologions 6.11 andare removedkfilled. Thebeginning ofssissippi rivervation of wesult in wateevation. An e 619 foot avater into andfaces. Note s below 619DCGLs for Ides DCGL (pCi/g5.352E+06 6.768E+06 1.019E+07 2.599E+07 1.281E+01 9.495E+06 6.577E+03 2.018E+01 2.008E+03 5.811E+01 2.844E+01 2.635E+01 1.122E+03 1.693E+03 1.523E+03 1.525E+03 3.691E+04 1.105E+03 1.872E+02 2.892E+02 2.720E+03 n. The BFMan onsite wrface during from residuaneral descripibes the congy, source-ted 6.12. d to a depth e average waf the saturatver resultingwater ingreser rising up onsite wateverage wated out of the that the Re9 foot and is Initial g) Insitu scenawell and dithe installatal radioactivption of the nceptual moderm and expof three feeater table deped zone. Thg in river dss into the Pto 10 feet aer supply wer table elevaunsaturated actor Buildiassumed to ario includeirect exposution of the ovity in BFM del in osure et bgs pth is he site driven Piping above well is ation. zone ing is be in s two ure to onsite La CrossLicense TRevisionwell. Thethe backf6.10.1.SThe sourBasemencharacterprovidedremain in6.10.1.1.The Reacbottom. Iextends 2upper heelevationThe totalfoot elev363 m2. removed of the stethe 636 fstructure reactor o no evidenliner. ThSix 1.27 laboratorsurvey mcontaminradionuc with an aThere is is removaddition, demolitiopurposesactivity ithe liner.6.10.1.2.The WTBstorage, ase Boiling WTerminationn 0 e BFM Excafilled concreource Termrce term font End Starization datad in Referencn each basemReactctor BuildingIt has an ov26 feet 6 incemispherical n. l wall/floor vation, is 512Remediatioexposing theel liner willfoot elevatiocomprised perations bynce of contaherefore the pcm thick corry for analysmeasuremennation. As shlide mixtureaverage of 1,no indicatioved therefor general clon and remo before the sin contamina Therefore, mWasteB contained and disposalWater ReactorPlan avation scenete and spream or the BFM ate at the a for the basce 8. The expment are sumor Building g is a right cverall internches below gdome, whicsurface area2 m2. The sun plans callhe steel linerl be removedon will remaof a concrety the interioramination leapile cap andre slices wersis. The corents and reprhown in Tabe. The Cs-13,903 pCi/g. on that contae no cores leanup of loval of the insteel liner isated dust frominimal soue Treatment facilities anl of low lever nario assumeading the conis the totatime of lisements thatpected sourcmmarized belcircular cylinal height ofgrade level. ch is 0.60 ina in the porturface area l for all belr. Subsequend. The remaain. The remte pile cap ar concrete, thakage beyond piles are core collected es were colleresent the ble 6-3, Cs-7 results fro amination is were collecloose contamnternal concs removed. Tom the steelurce term is eBuilding nd equipmenel solid radio6-20 es large scalncrete over aal inventory cense termt will remaince term confilow. nder with a hf 144 feet anThe steel shnch thick. Ttion of the bbelow the 6low grade cnt to interior aining structumaining concand piles. Thhe steel linernd the steel lonsidered to bfrom the surected from bareas expec-137 is the pom the six copresent in thcted from thmination oncrete is expeThis reducesl liner to theexpected in tnt for decontaoactive wastle industrial a 1 m layer oof residualmination. LTn. The dimeigurations anhemisphericnd an insidehell thicknesThe lowest fbuilding to b619 foot aveconcrete inteconcrete remural concretcrete "bowl"he pile cap r and the extliner or the be non-imparface downwbiased locaticted to conpredominateores ranged fhe concrete the concrete n the steel ected for opes the alreadye underlyingthe Reactor amination ante. The sizeexcavation on the grounl radioactivTP Chapterensions and nd activity lecal dome ande diameter oss is 1.16 incfloor elevatiobe backfillederage water terior to the moval, the rte outside the" sits on an and piles weterior concreconcrete bowacted areas. ward and shipions as indicntain the he radionuclidfrom 66 pCito remain afoutside theliner (concerational rady low potentig concrete duBuilding Ennd the collece of the WTBof some or nd surface. ity remaininr 2 providessurface areaevels projectd semi-ellipsof 60 feet, ach, except foon is at 612d, i.e., belowtable elevatisteel liner remaining poe liner and bexternal suere isolated ete bowl. Thwl exterior tpped to an ocated by elevhighest levede at 88% oi/g to 7,500 pfter the steele steel linercrete dust) diation proteial for transfduring removnd State. ction, procesB floor to reall of ng in s the as are ted to soidal and it or the 2 foot w 636 ion is to be ortion below upport from ere is to the offsite vated ls of of the pCi/g l liner r. In after ection fer of val of ssing, emain La CrossLicense TRevisionbelow 63The WTBof 626 feConcreteThe Cs-1offsite laCs-137 cvalues thsource teDecontamdecontamTechnicaThis equ1.27 cm approximremaininremediat6.10.1.3.The WG2 feet thisystem rrecombinelevationConcreteof signifWGTV alevels in 0.547 µCconcentraof 4% ofcollectedis remov and FRS 6.10.1.4.The RemPlant/Genslab, a smThree coconcentraThe activMDC wase Boiling WTerminationn 0 36 foot elevaB basement eet. e cores were 137 concentraboratory ranconcentrationhat were apperm is expectmination wmination threal Support Duates to apprthick uniformate maximung after remion is complWasteGTV is a 29 ick floors, wrouted mainning, moniton. A small sue cores were ficant contamand WTB suthe WGTV.Ci/L and 0.0ations in thef the contamd from the Wed to providclassificatioRemamaining Strnerator Planmall sump inncrete core ations in thevity was idenas found in thWater ReactorPlan ation is smafloor is at elcollected atrations in thenged from 12ns in the twroximately ted to be on will be reqeshold is thDocument RSoximately 1rm layer. Aum concentrmediation toleted. e Gas Tank Vfoot by 31 fwalls, and cein condenseoring and hoump is presennot collectemination. Houmps can be . The most r0215 µCi/L e sump liquimination leveWGTV as a pde a better eson. aining Structuructures catnt area, a onn the Turbinesamples were three coresntified in thehe slice fromr ll at 36.9 mlevation 630t biased locae first core s240 pCi/g towo core slic1% of those the floor as quired to me open air dS-TD-313190,000 pCi/glthough the rations, the fo the open Vault foot undergriling locateder gases tholdup for dent that extend from the Wowever, 10 used to provecent samplfor the WTd, the contaels in the WTpart of contistimate of coures egory inclue foot thick e Building anre collected s ranged frome core slice m 1.27-2.54 c6-21 2 with a tota0 feet. A smaations as indilices (0 - 1.2o 25,400 pCices from 1.2found in thopposed to wmeet the udemolition c96-005, La C Cs-137 assubiased charafull areal extair demoliround concred 3 feet bgs jhrough varioecay in the nds to 618 foWGTV due tCFR Part 6vide a very res from the B and WGTamination levTB. Additioinuing charaontaminationudes the Pipremnant of nd a small pfrom the Pipm 10 pCi/g tfrom 0-1.27cm. al wall and fall sump is picated by ele27 cm) of thi/g with an a27cm - 2.54he 0 - 1.27 cmwalls. unrestricted criteria of 2Crosse Openuming that cacterization tent and conition criteriaete structurejust outside ous componWGTV. Thoot elevationto access res61 samples rough estimasumps indicTV, respectivels in the Wonal surveysacterization an levels to sping and Vfthe four fooit in the Turping and Vento 20 pCi/g 7 cm. Minimfloor surfacepresent withevated survehe three coreaverage of 124 cm were mm slices. Thuse crite mR/hr per n Air Demolcontaminatiosamples likncentrations a will not e with 14 feeof the WTBnents for dhe vault floon. strictions andcollected frate of potenticate Cs-137 ively. By simWGTV couls and/or coreafter all tanksupport remeVentilation ot thick Chirbine Buildinntilation Tunwith an avemal activity ne area of 102h a floor elevey measurems analyzed b2,003 pCi/g.much lower he majority oria. The iEnergySolulition Limitson is presenkely identifieof contaminbe known et high wallB. The gas ddrying, filteor is at 621d low expectrom liquid iial contaminconcentratiomple ratio od be in the re samples wks and equipediation planTunnel, Reimney foundng. nnel. The Csrage of 15 pnear or below2 m2. vation ments. by the The with of the initial utions (14). nt in a ed the nation until s and decay ering, foot tation n the nation ons of of the range will be pment nning eactor dation s-137 pCi/g. w the La CrossLicense TRevisionCores wesump andsmall arcontinuinThe remnbecause ifour footpotential 6.10.2.BThe BFMthe "reasthereforeThe folloDirecInhalIngesIngesDirecbrougDirecsurfaThe agrimilk, graB6.11.6.11.1.BThe BFMscreeningassumed dose mo resistancThe fill vactivity mbelow thfill volumwith watelevationThe surfase Boiling WTerminationn 0 ere not colld pit due to teas. Additiong characterinant of the it is the lowt thick founfor contamiBFM ExposuM includes tonably forese the industriowing exposuct exposure tlation of airbstion of concstion of watect exposure, ght to the surct exposure, ce by excavacultural andain and vegetBFM Insitu SBFM Insitu GM Insitu grog approach. to release andeling assume to water flvolume intomoves frome average wme in the Reter continuouns at 618 fooface areas beWater ReactorPlan ected in thethe low expeonal concretization in theChimney foest one foot ndation slab ination to miure Pathwaytwo exposurseeable" futuial worker. ure pathwayto external raborne radioaccrete or fill mer from onsitinhalation drface duringinhalation dation. d gardening table ingestiScenario Groundwatoundwater (One hundrednd instantly ming that thow, i.e., are o which the m the concrewater table eleactor Basemusly for the ot, the remaelow 619 foor e Reactor Plectation of site cores anese areas to oundation slportion of ais expectedigrate three fys re scenarios,ure land use ys are applicaadiation in "ctivity in "asmaterial in "te well, dose and ingeg installation dose and ingepathways aon pathwayster Scenario(BFM Insitud percent ofmix with thhe source tenot present.released actete surface ilevation of 6ment below 6full year. Waining End Sot in the thre6-22 lant/Ventilatignificant cond/or dose rsupport FRSlab has a vea solid four fd to containfeet into the Insitu and at the LACable to the B"as left" Ends left" End S"as left" Endestion dose fof the onsiteestion dose fare not applis are therefoo ugw) concepf the inventohe fill materierm is in the tivity mixesinto the fill.619 foot. Mi619 foot becWith the exState basemeee sumps artion Plant aontaminationrate surveysS classificatiery low potefoot slab. Thn minimal csolid concreExcavation.BWR site isBFM scenarid State geomState geometd State geomfrom contame well into thfrom concreticable to indore not includptual model ory in the bacial. RESRADe fill and ths is proporti A portion ixing is assucause the filxception of tent floors arre insignificaarea or the Tn being preses will be pion and plannential of beihe top surfaccontaminatioete slab is ve. As discusss industrial aios: etry (negligitry (negligibmetry (negligiminated drillihe fill materte that is brodustrial landded. is based onckfilled baseD is then usehat the strucional to the of the Reacumed to occull is assumedthree small sre above 61ant (less thanTurbine Buient and theirperformed dning. ing contamince of the exion levels anery low. sed in sectioand the AMCible), le), ible), ing spoils rial, and ought to the d use. The mn a conservement concred to performctures providdistance thactor Basemeur over the ed to be in cosumps with 19 foot elevan 1% of theilding r very during nated isting d the on 6.4 CG is meat, vative rete is m the de no at the ent is entire ontact floor ation. e total La CrossLicense TRevisionbackfillepurpose oThe miximore uncfoot, conrainwateraddress tBFM codependenprovidedThe fill mvolume. highest dresulted basementcaused thfrom the Based onReactor Bassumed The RESimportantypically and runorequired MississipunsaturatThe vertirate is dethe 619 fchange isby forcinbelow foThe use periods oFull resounsaturatnot justifAs listedlicense tewas run group. se Boiling WTerminationn 0 d basement of fill mixinging distancecertain than ntact with wr infiltrationthis uncertaionceptual mnce of dosed in Referencmixing distaFor the Readose. For thin the hights because the RESRADwalls. This n the resultsBuilding, abfor all otherSRAD non-dnt parameterdeterminedoff coefficienfor LACBppi River ated zone. ical water floefined by thefoot average s used to cong the infiltr a descriptioof 3.05 m/of increase aolution of tted zone woufied given thd in Table 6-ermination. separately fWater ReactorPlan surface areag assumptione into the filleaching intwater is the n, as opposenty in a manmodel, a sie on the mice 8. nces evaluatactor Buildinhe remaininghest dose. Tthe source tD Length Parreduced the s of the senbove and ber basements/dispersion grr is the vertid by the infint parameterWR due toand the resuow rate is coe distance thwater table nservativelytration rate ton of the me/yr is conseand decreasethe actual wuld require de bounding/1, there are Due to diffefor the Reacr a) and are inns. ll after leachto the Reactresult of peed to continnner consistimple sensitixing distanted ranged frng above 61g basementsThe Reactor erm is entirrallel to Flomodeled wesitivity analelow 619 foo/structures. roundwater ical flow railtration raters. A differeo the site gulting seasoonservativelhat water recelevation (1y bound the to be 3.05 method used toervative bece, as well aswater flow detailed grouscreening apportions of ferences in cctor Buildin6-23 ncluded withing from flotor Building eriodic flushnual contact ent with thetivity analyce. The mfrom 2.54 cm19 foot an ass the nominBuilding arely on the ww parameterell water conlysis, full mot, and a 2.5model is usate of water e as defined ent approachgroundwateronal water y modeled icedes from th0 ft or 3.05 mnet flow of m/y. See Eqo assign a 3.ause the sea horizontapattern durundwater trapproach usedeight structuconfigurationng, WTB, Wth the basemoor and walfill volumehing from swith watere screening aysis was comixing volumm to full mixssumption onal minimumabove 619 fwalls of a rr to be correncentrations.mixing with t54 cm mixinsed in the Bthrough theby the prech to defininr being hydlevel fluctuin RESRADhe seasonal m). This seawater to thequation 1 an05 m/yr infieasonal wateal componenring the seaansport and dd to develop ures that wiln and contamWGTV, and ments above ll surfaces ae below 619 seasonal war in the satuapproach useonducted tome sensitivixing throughof full mixinm mixing dfoot differedright circulaelated to the. the fill was ng distance BFM Insitugwe unsaturatecipitation, evng the verticdraulically cuation into D by assuminhigh elevatiasonal 3.05 me saturated znd correspoiltration rate er level flucnt, that are nasonal fluctdispersion m the BFM coll be backfillmination pothe "Remai619 foot foabove 619 fofoot. Aboveater level risurated zone.ed to develoo determineity calculatihout the entirng resulted idepth of 2.54d from the ar cylinder we mixing disassumed fointo the fillw assessmened zone whivapotranspircal flow rateconnected toand out ong that the anion of 629 fom water elevzone in RESonding discuin RESRADctuation incnot accountedtuations intomodeling whonceptual moled and remaotential, the ining Structor the oot is e 619 se, or . To op the e the on is re fill in the 4 cm other which stance or the l was nt. An ich is ration e was o the f the nnual oot to vation RAD ussion D. cludes d for. o the ich is odel. ain at BFM tures" La CrossLicense TRevision6.11.1.1.RESRADfor each concentrathat a unof licensdependencan be deper mCi tthe DSR BFM Ins6.11.1.2.An uncecalculatioparametesoil DCGThe paraBFM InsThe affeThicknesand FractThe uncabove 6 Remaininfive BFM"VariablestructureThe selecthe BFMInsitugw Mississipindicate f619 footexample,to be obs10 feet (3The seasInsitugw approachand unsarise abovunsaturatse Boiling WTerminationn 0 BFM D was used tradionuclideations to detnit source terse terminationt on the miescribed as ptotal activityby the pCi/situgw DFs asBFM ertainty analon of DSRers for the BFGL uncertainameter set desitugw analysected RESRAss of Contamtion of Contertainty ana19 foot elevng StructureM Insitugw ue" in Attachs. ction of the PM Insitugw REconceptual mppi river andfluctuations t. However, , it is knownserved in the3.05 m) abovsonal water dose assessh. The seasonaturated zoneve the 619 foted zone. Water ReactorPlan Insitugw Comto develop De in the inititermine BFMrm of 1 pCi on which wxing distancpCi/g in fill py in concrete/g per mCi vs detailed in Insitugw RESlysis was pes for the BFM Insitugw nty analysis (eveloped to sis with chanAD geometrminated Zoneaminated Zoalysis was pvation, Reas resulting inuncertainty ahment 6-2 wPrecipitationESRAD modmodel assumd fluctuates that are up the river sn that water e Piping andve the averagtable rise msment but nal water rise is the averaoot results inr mputation MDose to Soural suite. TheM Insitugw Dtotal inventowas instantlyce as discussper total pCie, were then value. ExcelReference 8SRAD Unceerformed toBFM InsitugRESRAD u(see process perform thenges to accory parametee, Length Paone below thperformed factor Buildinn five separaanalyses are were assignen, Evapotrandel requires ames that theseasonally ito five feet stage does nlevel seasond Ventilationge water tabmust be accdoes not pse was addreage water tabn water perio6-24 Model rce Ratios (De DSRs wereFs. The fill ory was presy released ansed above. Ti in concretecalculated bl spreadshee8. ertainty Anal select detegw model. Tuncertainty aflowchart in soil DCGLount for the ers are Covearallel to Aquhe Water Tabfor five strung below 6ate uncertainlisted in Aed the valuesnspiration Raadditional exe onsite grounto the unsahigher than not preciselynally rises ton Tunnels wile elevation.counted for precisely fit essed by assuble elevationodically enteDSRs), withe used in coconcentratiosent in the bnd mixed wThe fill conce. BFM Insitby convertinget calculationlysis for Initerministic RThe processanalysis was n Figure 6-7)L uncertainty geometrieser Depth, Auifer Flow, Uble. ucture confi619 foot elenty analysesAttachment 6s shown in ate, and Runxplanation. Aundwater isaturated zonthe averagey represent o an elevatioith a floor at. in the concthe RESRuming that tn of 619 fooering backfih units of mrnjunction wons were calbasement conwith a volumcentration thtugw DFs, in g pCi to mCns were usedtial Suite RESRAD pas for determthe same as). y analysis is of the backArea of ConUnsaturatedigurations; Revation, WT. The param6-2. The parTable 6-8 fnoff CoefficiAs discusseds in communne. River stage site water tsite water on sufficientat 629 foot eceptual modRAD groundthe boundaryot. The seasoilled structurrem/yr per pwith calculateculated assuncrete at theme of fill thhen has unitunits of mrei and multipd to calculatarameters fomining the s that used foapplicable tkfilled structntaminated Zd Zone ThickReactor BuiTB, WTGV,meters used forameters listfor the respeent parameted above, the nication witge measuremtable elevatitable levelstly high for wlevation whidel for the dwater mody of the satuonal 3.05 m wres that are ipCi/g, ed fill uming e time hat is s that em/yr plying te the or the input or the to the tures. Zone, kness, ilding , and or the ed as ective ers in BFM th the ments on of s. For water ich is BFM deling urated water in the La CrossLicense TRevisionTable 6-Area(m2)ThiczoneLengFlowUnsaThicFraczoneThe effecby conserise repreprecipitatprecipitatMaximizradionucTo forcerepresentsetting th1 in Refparamete WThe distrvalue of value of Consistenthe initiaradionucanalysis. se Boiling WTerminationn 0 8 DeterAnalyParameteCover Depth a of Contaminackness of Contae (m) gth Parallel to Aw (m) aturated Zone ckness (m) tion of contame below the watct of the 3.0ervatively asesents a contion driven ition, evapozing the infilides when te RESRAD t the infiltrathe Evapotranference 12, ier. Where: I = InE = EvR = RP = Prribution eval0.25 m/yr (3.05 m/yr sent with NURal suite radionlides that wThis limitaWater ReactorPlan rministic Geysis for the fr RA(m) ated Zone aminated Aquifer minated ter table 05 m seasonassuming thatstant infiltrainfiltration rtranspirationfiltration ratethe non-dispeto use a 3.0tion rate dirnspiration Rait is seen tha nfiltration RavapotranspirRunoff Coeffrecipitation Rluated in the(the actual pelected to repREG-1757 gnuclides are were greateration was nr eometry REfive BFM InRx Building Above 619' 0.91 262.68 5.18 18.29 1E-10 0 al flushing ht the distancation rate of rate at the LAn and runoe maximizeersion groun05 m/yr infirectly by assate and Runoat this will rate (m/yr) ration Coeffificient (dimeRate (m/yr)e sensitivity precipitation present the sguidance, thepresent at thr than 0.1%ecessary to 6-25 ESRAD Paransitugw ConRx BuildinBelow 6196.10 182.41 0.75 15.24 0 1 height is accce that the w3.05 m/yr. TACBWR sitff coefficiens the well ndwater modiltration ratesigning 3.05 off Coefficieresult in an i ficient (dimeensionless) analysis wasdriven infilseasonal wate uncertaintyheir mixture% of the mixresult in prameters usefigurationsng 9' WTB2.72101.900.02546.103.350 counted for iwater recedesThis is consete which is 0nt in the Swater concedel is selectee, the precip m/yr to theent parameteinfiltration r nsionless) s a uniform ltration rate ter table flucy analysis we fractions asxture were ractical RESed in the Un B WGTV 5.46 0 460.04 4 0.0254 9.75 0.61 0 in the BFM s after the servative rela0.25 m/yr (asSoil DCGLentrations foed in RESRApitation parae precipitatioers to zero. Frate equal to distribution at the site) ctuation. was performs listed in Taincluded inSRAD run ncertainty RemainingStructures2.4 667.26 0.0254 38.10 3.67 0 Insitugw sceseasonal (3.0ative to the as calculated parameter or all signifAD. ameter is uson parameteFrom Equati the precipitEquationwith a miniand a maximed assumingable 6-3. Onln the uncerttimes. Howg s enario 05 m) actual from set). ficant ed to er and ion 6-tation n 6-1 imum imum g that ly the tainty wever, La CrossLicense TRevisionincludingthat all seThe RES14 proviparamete10 to 6-1The paragenerate not cont distributiThe majcorrelatiocorrelate thresholdnegative scenario of radioafor the nconservaassigned Figure 6 shown toThe Kd vnot inclulisted in Rand provattributab6.11.1.3.As discuthe ReacStructuredetermin9 to 6-14changed The RESDSRs are6.11.1.4.

The BFMInsitugw Dand BeloTable6-1se Boiling WTerminationn 0 g all radionuensitive paraSRAD Unceride summarers. Table 6-94 provide thameter distribthe median,ain values ion was usedjority of thon between d). The pd and each correlation is through thactivity in thenon-sensitiveatively assignas indicated-7 but this o be only sligvalues selectuded in the uReference 1vides consisteble to the remBFM ssed above, ctor Buildines. The paramnistic values 4 replacing thfrom 0.2 to SRAD Uncere provided inBFM M Insitugw DDFs are listeow 619 foot6.Water ReactorPlan uclides with ameters will rtainty Repories of the 9 provides thhe radionuclibutions for th, 25th and 75for Europiud. he uncertainKd and doarameters woccurred in with Kd wahe ingestion e water phase radionuclined the 25th d by the PRCwill have a ghtly sensitivted for the vuncertainty 4. Using theency in detemoved radioInsitugw RESthe BFM Inng (above meters proviin Tables 6-he parameter0.066 to be crtainty Repon Table 6-15Insitugw DosFs were calced in Table 6t were summr greater thanbe identifiedrts are proviuncertaintyhe results foide specific Khe site-speci5th percentilum; the 25thnty analysis ose (i.e., 30with positivonly one oas expected sof well watse at equilibrides that wepercentile vCC results ivery minorve. very low abuanalysis wee 25th percenermining the nuclides. SRAD Detersitugw RESRand below ided in Attac8 replacing tr distributionconsistent worts are prov5. se Factors culated by E6-16. Note thmed in Refe6-26 n 0.1% of thd. ided electrony analysis rr the non-radKd results foific soil typee determinish percentileresults tha0 of the 34e correlatioof the three since the prier and lowerrium. Therefere includedvalues from Rin order to for, if any, efundance (<0ere also assigntiles for all insignificanrministic AnRAD dose as619' elevachment 6-2 wthe "variablens. The Conwith the unsavided electroExcel spreadshat the DFs erence 8 to he mixture nically with results withdionuclide sor each of the of sand fromstic values. Nfrom the Nat were sen4 sensitive ons were onuncertainty imary dose pr Kd values fore, the deted in the uncReference 1follow the paffect on dose.1%) initial gned the 25initial suite nt dose contrnalysis and Dssessments wation), WTBwere appliede" parameterntaminated Zaturated and onically withsheet in Reffor the Reacdetermine tfraction proReference 8h the selectspecific parahe basementsm ReferenceNote that RNUREG-669nsitive indicparameters nly slightly runs. The ppathway in tresult in a gerministic Kcertainty an4. The 75tharameter sele since the suite radion5th percentileradionuclideributors and DSR Resultswere performB, WGTV d to all five rs and the vaZone Field Csaturated zoh Reference ference 8. Thctor Buildingthe Reactor ovides confid. Tables 6-9ted determinmeters. Tabls evaluated.e 14 were usReference 1497 Kd paramcated a negwere negatabove the predominanthe BFM Insgreater percenKd values selnalysis wereh percentiles lection proceparameters nuclides that e values for es is conservthe dose fras med separateland Remaanalyses witalues in TablCapacity wasone. 8. The resuhe resulting g Above 619Building Ddence 9 to 6-nistic les 6-sed to does meter gative tively 0.25 nce of situgw ntage lected e also were ess in were were sand vative action ly for aining th the les 6-s also ulting BFM 9 foot Fs in La CroLicensRevisi . osse Boiling Wase Termination Pion 0 Table 6- Note 1: Positive conceptual modeNote 2: NegativeNote 3: Site-specwc.usace.army.mNote 4: The precother basements. Para Cover Erosion RContaminated zContaminated zWind Speed (NPrecipitation Saturated zone bWell pump intaWell Pumping RUnsaturated zonMass loading foIndoor dust filtrExternal gammaDepth of Soil Mater Reactor Plan -9 Results ocorrelation with doel. e correlation with dcific wind speed damil/projects/Lock4.cipitation parameter ameter Rate zone erosion rate zone b parameter Note 3) b parameter ake depth Rate ne b parameter or inhalation ration factor a shielding factor Mixing Layer of RESRAD Unose. Maximum site-dose. Minimum siteata used (US Army shtml) r was not sensitive ReactorBuildingAbove 619Percentile Va75th 0.0median 0.0median 0.925th 3.3Note 4 3.0median 0.9Note 2 6.0median986median0.9median2.3median0.5median0.2median0.2ncertainty Ana-specific value base-specific value useCorps of Engineerfor the Reactor Bu9 ReaBuilBelowalue Percentile0029 75th 0015 75th 97 median 3 median 05 Note 4 97 median 08 Note 2 6.1 median 97 median 35E-5 median 55 25th 27 median 23 median 6-27 alysis for BFM Ied on seasonal wated for conservatismrs, Mississippi Riveuilding Above and Bactor lding w 619 e Value Perc0.0029 75th0.0029 medi0.97 medi6.8 75th3.05 Note 0.97 medi6.08 Note 986.1 medi0.97 medi2.35E-5 medi0.35 medi0.27 medi0.23 mediInsitugw and Ster rise value (3.05 m er Lock and Damn Below 619 foot. ThWTB entile Value 0.0029 ian 0.0015 ian 0.97 10.2 1 3.05 ian 0.97 2 6.08 ian 986.1 ian 0.97 ian 2.35E-5 ian 0.55 ian 0.27 ian 0.23 Selected Determm) used for conser4, Alma WI, Web he 3.05 m/yr rate wWGTV Percentile Valmedian 0.00median 0.00median 0.97median 6.8Note 1 3.0525th 0.84Note 2 6.08median 986median 0.97median 2.35median 0.55median 0.27median 0.23ministic Paramervatism and linkagaddress http://wwwas applied for conRemaStruclue Percentile015 75th 015 median 7 median 75th 5 Note 1 4 median 8 Note 2 6.1 75th 7 median 5E-5 median 5 median 7 median 3 median eters e to ww.mvp-nsistency with the aining ctures Value 0.0029 0.0015 0.97 10.2 3.05 0.97 6.08 1311.2 0.97 2.35E-5 0.55 0.27 0.23 La Crosse BLicense TerRevision 0 TabRadH-3C-1Fe-Ni-Co-Ni-Sr-9Cs-Eu-Eu-Pu- TabRadH-3C-1Fe-5Ni-5Co-Ni-6Sr-9Cs-Eu-Eu-Pu-2 Boiling Watermination Plale 6-10 Bfodionuclide K3 14 59 63 90 -137 -152 -154 -241 le 6-11 Bfodionuclide K3 4 55 59 60 63 90 137 152 154 241 er Reactor an BFM Insitugor DistributKd in Contam25th NS NS NS NS NS 25th 25th NS 75th NS BFM Insitugor DistributKd in ContamiNS NS NS NS NS NS 25th 25th NS NS NS gw Rx Buildition Coefficminated Zone 0.05 1.8 38 147 9 147 5 50 95 7302 173 gw Rx Buildition Coefficinated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 6-28 ing above 61ients (Kd) Kd in UnsaNS 25th NS NS NS NS NS NS NS NS NS ing below 61ients (Kd) Kd in UnsatuNA NA NA NA NA NA NA NA NA NA NA 19: Uncertaaturated Zone0.05 1.8 38 147 9 147 5 50 95 95 173 19 Uncertaiurated Zone NA NA NA NA NA NA NA NA NA NA NA ainty Analyse Kd in SatuNS NS NS NS NS NS 25th 25th NS NS NS inty AnalysiKd in SatuNS NS NS NS NS NS 25th 25th NS NS NS sis Results urated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 is Results urated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 La Crosse BLicense TerRevision 0 TRadH-3 C-14Fe-5Ni-5Co-6Ni-6Sr-9Cs-1Eu-1Eu-1Pu-2 TRadH-3C-1Fe-Ni-Co-Ni-Sr-9Cs-Eu-Eu-Pu- Boiling Watermination PlaTable 6-12 dionuclide K4 55 59 60 63 0 137 152 154 241 Table 6-13 dionuclide K3 14 55 59 -60 63 90 137 -152 -154 241 er Reactor an BFM DistriKd in ContamiNS NS NS NS NS NS 25th NS NS NS NS BFM DistriKd in ContamNS NS NS NS NS 25th 25th NS NS 25th NS Insitugw Wibution Coeinated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 Insitugw Wibution Coeminated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 6-29 TB Uncertaefficients (KKd in UnsatNS NS NS NS NS NS 25th 25th NS NS NS GTV Uncerefficients (KKd in Unsat75th NS 75th 75th NS NS 25th 25th NS NS NS ainty AnalyKd) turated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 rtainty AnaKd) turated Zone 0.09 1.8 1279 1110 9 147 5 50 95 95 173 ysis Results fKd in SaturNS NS NS 25th NS NS 25th 25th NS NS NS alysis ResultKd in SatuNS NS NS NS 25th 75th 25th 25th NS NS NS for rated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 ts for urated Zone 0.05 1.8 38 147 9 1110 5 50 95 95 173 La Crosse BLicense TerRevision 0 TabRadiH-3 C-14Fe-55Ni-59Co-6Ni-63Sr-90Cs-13Eu-1Eu-1Pu-24Note 1: Incons Boiling Watermination Plable 6-14 Bfoionuclide 4 5 9 0 3 0 37 52 54 41 sistent uncertaier Reactor an BFM Insitugor DistributKd in ContamNS NS NS NS NS NS NS NS NS NS NS inty results wit gw Remainintion Coefficminated Zone0.05 1.8 38 147 9 147 5 50 95 95 173 th PRCC value6-30 ng Structureients (Kd) Kd in UnsaNS NS 75th , 25th(Note 1) NS NS NS 25th 25th NS NS NS es only slightlyes Uncertainaturated Zone0.05 1.8 38 147 9 147 5 50 95 95 173 y above 0.25 crnty Analysie Kd in SatuNS NS NS NS 25th NS 25th 25th NS NS 25th riteria. 25th pers Results urated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 rcentile value wwas used.

La CroLicensRevisi osse Boiling Wase Termination Pion 0 ater Reactor Plan Table 6-15 BRadionuclide H-3 C-14 Fe-55 Ni-59 Co-60 Ni-63 Sr-90 Nb-94 Tc-99 Cs-137 Eu-152 Eu-154 Eu-155 Pu-238 Pu-239 Pu-240 Pu-241 Am-241 Am-243 Cm-243 Cm-244 BFM Insitugw DRx Building Above 619' (mrem/yr per pCi/g) 3.51E-03 1.94E-02 6.14E-05 2.65E-05 4.15E-02 6.01E-05 5.26E-01 8.77E-02 8.22E-02 1.48E-02 5.12E-04 7.30E-06 4.35E-05 2.65E-01 3.79E-01 3.78E-01 6.33E-03 1.86E-01 2.22E-01 5.35E-03 3.02E-03 DSRs for React Rx BuildinBelow 619(mrem/yr ppCi/g) 7.13E-042.26E-025.65E-045.75E-051.10E-011.58E-041.13E+006.42E-031.64E-023.97E-022.67E-033.88E-036.03E-047.42E-018.24E-018.24E-011.59E-024.46E-014.44E-011.14E-019.08E-026-31 tor Building, Wng 9' er WTBExcavationFacto(mrem/yrpCi/g7.16E-1.99E-7.61E-2.11E-2.95E-9.26E-1.30E-2.32E-1.10E-1.84E-1.61E-1.62E-4.51E-2.33E-3.00E-2.93E-1.32E-6.34E-1.55E-9.04E-2.91E-WTB, WGTV, aB n Dose or r per g) WGExcavaFa(mrempC06 1.2304 2.9313 0.0006 2.1504 2.4107 5.2602 2.2004 2.4004 2.4904 9.5808 1.6810 9.1916 1.7203 1.6402 3.0802 3.0604 3.5803 1.3502 1.6406 1.3705 4.36and RemainingGTV ation Dose actor m/yr per Ci/g) RSExca(m3E-05 43E-04 10E+00 15E-06 21E-03 46E-07 70E-02 30E-04 29E-04 78E-04 18E-05 79E-06 42E-07 44E-02 18E-02 36E-02 38E-04 25E-02 54E-02 17E-05 76E-05 3g Structures Remaining Structure avation Dose Factor rem/yr per pCi/g) 4.62E-05 1.26E-03 1.53E-13 2.18E-06 4.05E-04 7.82E-07 3.47E-02 2.43E-04 7.82E-04 1.53E-04 7.17E-09 4.50E-11 4.49E-17 1.85E-03 3.09E-02 3.00E-02 2.02E-04 5.83E-03 1.57E-02 7.79E-05 3.13E-05 La Crosse BLicense TerRevision 0 RaH-3C-1Fe-Ni-Co-Ni-Sr-9Nb-Tc-Cs-Eu-Eu-Eu-Pu-Pu-Pu-Pu-AmAmCmCmBoiling Watermination Pla adionuclide 3 14 59 63 90 99 -137 -152 -154 -155 -238 -239 -240 -241 m-241 m-243 m-243 m-244 er Reactor an TableRx BuildiBFM Insitug(mrem/yr pmCi) 4.44E-031.02E-012.37E-032.50E-044.74E-016.80E-044.91E+006.36E-021.03E-011.71E-011.13E-021.61E-022.52E-033.20E+003.59E+003.58E+006.88E-021.93E+001.94E+004.74E-013.79E-01 e 6-16 BFng gw DF per BFMDo(mr3 11 43 14 41 64 20 22 51 21 42 32 33 90 50 60 62 20 10 31 11 6 6-32 FM InsitugwWTB M Insitugw DF ose Factor rem/yr per mCi) 1.57E-03 4.36E-02 1.67E-10 4.63E-04 6.48E-02 2.03E-04 .85E+00 5.10E-02 2.42E-02 4.05E-02 3.54E-06 3.55E-08 9.91E-14 5.10E-01 .59E+00 .44E+00 2.90E-02 .39E+00 .40E+00 1.98E-03 6.40E-03 Dose Facto WGTVBFM Insitu(mrem/yr mCi)6.00E-01.43E-00.00E+01.04E-01.17E-02.56E-01.07E+01.17E-01.21E-04.66E-08.18E-04.47E-08.37E-07.97E-01.50E+01.49E+01.74E-06.57E-07.98E-06.67E-02.12E-0 ors V ugw DF per RStBFM(mr04 102 400 504 701 105 200 102 802 202 504 204 106 101 600 100 102 601 101 504 203 1emaining tructures M Insitugw DF rem/yr per mCi) 1.55E-03 4.21E-02 5.12E-12 7.29E-05 1.36E-02 2.62E-05 1.16E+00 8.14E-03 2.62E-02 5.14E-03 2.40E-07 1.51E-09 1.51E-15 6.21E-02 1.04E+00 1.00E+00 6.78E-03 1.95E-01 5.27E-01 2.61E-03 1.05E-03 La CrossLicense TRevision6.11.2.BThe BFMpathwaysbe brougconcrete.residual which inscenario assumingmrem/yr There areof slurry would likconstructbeing broThe wellis met ancapture 1borehole borehole depth of are unifoThe doseDCGLs aDCGLs SummaryThe AFsRESRADB6.12.The BFMand the cdecay. Tconceptumixing dBFM ExcDue to dcalculatesame maThe BFMlisted in Tse Boiling WTerminationn 0 BFM Insitu DM Insitu Dris listed in seght to the sur. The drillerradioactivityncludes the fis the residg no decay per total mCe a number opits, tanks, kely involvetion. As a cought to the l is assumed nd drilling s100 percent area. The diameter an3 feet in ordormly mixed e from the ciand AFs. Tand the spoy Reports ars and BFM D results. ThBFM ExcavaM Excavationconcrete spreThe calculatual model thduring excavcavation DFdifferences ind separatelynner as was M ExcavatioTable 6-18. Water ReactorPlan Drilling Spoilling Spoilsection 1. Thrface during r is assumey in the confill material dual radioactor release tCi. of ways that and dumping additional dconservativesurface. to be drilledstopped. Thof the remavolume of snd depth of dder to minimand spread oircular area aThe AFs weroils spread e provided eInsituds DFhe BFM Insitation Scenarn scenario asead on the sution of allowat the averavation will Fs in units ofn configuratiy for the Readone for theon DFs are cr oils Scenaris (BFM Insihe dose fromthe installated to be unancrete surfacabove the sttivity remainto the fill. Tinstallers hag the drillingdilution by re assumptiond into the bahe extent of aining residspoil materidrilling whicmize the mixover a circulat the surfacre calculatedarea whichelectronicallyFs were calctuds DFs are rio ssumes that urface immewable total age radionucnot exceed f mrem/yr peion and contactor Buildine BFM Insitucalculated by6-33 o and DF Cituds) scenarm residual ration of a welaware that tces is broughtructure flooning in conThe BFM Inandle and disg spoils on trefilling the pn, no dilutioasement fill ddrilling intodual radioactal brought tch is conservxing volumelar area on thce was calcud using the dh was determy with Referculated by Elisted in Tabsome or all oediately aftermCi is drclide concentthe surface er total mCi. tamination png, WTB, Wu assessmenty Excel spreCalculation rio addresseadioactivity ill that randothe backfillht to the suror. The sourcncrete at thensituds DFs spose of drilthe existing spit with the on of the spodown to theo concrete istivity in theto the surfacvatively assufor all basemhe ground suulated by REdeterministicmined to brence 8. Excel spreadble 6-17. of the backfr license terriven by thetrations in thsoil DCGL potential, theWGTV, and ts. eadsheet in s one of thein the concreomly hits baced structurerface with thce term for time of licare calculatlling spoils, surface soilsmaterial excoil material e concrete flos assumed to concrete suce is calculaumed to be ments. Theurface to a dESRAD usinc parametersbe 0.457 m2dsheet in Refilled structurmination take baseline lhe concrete Ls. The assee BFM ExcaRemaining Reference 8e BFM expete is assumckfilled struce is present.he drilling sthe BFM Incense terminted with uniincluding ths. The use ocavated durinis assumed oor where reo be sufficieurface withiated based othe minimum concrete andepth of 0.15g the surfacs applied fo2. The RESeference 8 uures are excavking no credlimitation inafter inadveessment proavation DFs Structures i8. The resultosure med to ctural . The spoils nsituds nation its of he use of pits ng its after efusal ent to in the on the m fill nd fill 5 m. e soil or soil RAD using vated dit for n the ertent ovides were in the ts are La CrossLicense TRevision R se Boiling WTerminationn 0 TRadionuclide H-3 C-14 Fe-55 Ni-59 Co-60 Ni-63 Sr-90 Nb-94 Tc-99 Cs-137 Eu-152 Eu-154 Eu-155 Pu-238 Pu-239 Pu-240 Pu-241 Am-241 Am-243 Cm-243 Cm-244 Water ReactorPlan Table 6-17 BFM InsiReactoBuildin(mrem/yrmCi) 7.15E-01.26E-02.43E-01.38E-01.16E-03.50E-02.05E-07.94E-03.10E-02.83E-05.46E-05.81E-02.01E-01.08E-01.19E-01.18E-01.65E-06.94E-09.57E-05.88E-06.77E-0 r BFM Insiituds or ng r per BF(mr09 708 109 209 101 109 304 202 707 302 202 502 503 104 104 104 105 104 603 903 505 66-34 itu Drilling FM Insituds WTB rem/yr per mCi) 7.03E-08 1.24E-07 2.39E-08 1.36E-08 1.14E+00 3.45E-08 2.02E-03 7.81E-01 3.05E-06 2.78E-01 5.38E-01 5.72E-01 1.97E-02 1.06E-03 1.17E-03 1.16E-03 1.62E-04 6.83E-03 9.41E-02 5.78E-02 6.66E-04 Spoils DoseBFM InsWGTV(mrem/yrmCi)3.64E-06.42E-01.24E-07.01E-05.91E-01.78E-01.04E-04.04E-01.58E-01.44E-02.78E-02.96E-01.02E-05.47E-06.04E-06.00E-08.39E-03.53E-04.87E-02.99E-03.44E-0e Factors situds V r per ) BInRemStr(mpe08 8.008 1.408 2.709 1.501 1.308 3.903 2.301 8.906 3.401 3.101 6.101 6.502 2.204 1.204 1.304 1.305 1.803 7.702 1.002 6.604 7.6BFM nsituds maining ructures mrem/yr r mCi) 02E-09 41E-08 73E-09 55E-09 30E-01 93E-09 30E-04 91E-02 48E-07 17E-02 13E-02 52E-02 25E-03 21E-04 33E-04 32E-04 85E-05 79E-04 07E-02 60E-03 60E-05 La CrossLicense TRevision RadEEEAACCIn6.13.NUREG-criterion applies tinsignificidentifiesThe radiothe ROC DCGLs.

the soil Dfrom furmrem/yr se Boiling WTerminationn 0 dionuclide H-3 C-14 Fe-55 Ni-59 Co-60 Ni-63 Sr-90 Nb-94 Tc-99 Cs-137 Eu-152 Eu-154 Eu-155 Pu-238 Pu-239 Pu-240 Pu-241 Am-241 Am-243 Cm-243 Cm-244 nsignificant-1757, sectio(i.e., 2.5 mrto the sum ocant. This ses the radionuonuclides re. The ROC The dose fDCGLs andrther detailedose criteriaWater ReactorPlan Table 6Rx BuildinExcavation DFactor (mremper mCi) 3.69E-06 2.92E-06 1.94E-06 7.60E-07 1.54E+00 2.08E-06 3.00E-03 9.79E-01 9.84E-03 3.40E-01 6.94E-01 7.50E-01 1.76E-02 1.17E-02 1.30E-02 1.30E-02 5.35E-04 1.79E-02 1.06E-01 6.83E-02 7.26E-03 t Dose Conton 3.3 statesrem/yr) are cof the dose ection providuclides that cemaining aftlist is determfrom the remd BFM DFs d evaluationa. r 6-18 BFMg Dose m/yr WExcaDose(mremm4.83.82.51.02.02.73.91.21.34.59.19.92.31.51.71.77.02.31.49.09.6ributors ans that radionuconsidered tocontributiodes the assescan be designter the remomined for comoved insignfor the ROns during F6-35 M ExcavatioWTB avation e Factor m/yr per mCi) F88E-05 86E-05 56E-05 01E-05 4E+01 75E-05 97E-02 9E+01 30E-01 0E+00 9E+00 2E+00 33E-01 54E-01 72E-01 71E-01 08E-03 36E-01 0E+00 03E-01 61E-02 d Radionucuclides conto be "insignns from thesment of dosnated as insioval of insigoncrete usingnificant contC. The insFRS and demon Dose FacWGTV Excavation DFactor (mremper mCi)1.63E-051.29E-058.56E-063.36E-066.81E+009.19E-061.33E-024.32E+004.35E-021.50E+003.07E+003.31E+007.78E-025.15E-025.73E-025.72E-022.36E-037.90E-024.66E-013.02E-013.21E-02clides of Contributing no nificant contre aggregate se contributiignificant dognificant cong the BFM Dtributors wasignificant cmonstration tors Dose m/yr RemStruExcaDose (mremm8.186.474.301.693.424.66.662.172.187.541.541.663.902.592.882.871.193.962.341.51.6ncern greater thanributors". Tof radionucions from those contributntributors weDFs and for sas accountedontributors of compliamaining ucture avation Factor m/yr per mCi) 8E-06 7E-06 0E-06 9E-06 2E+00 1E-06 6E-03 7E+00 8E-02 4E-01 4E+00 6E+00 0E-02 9E-02 8E-02 7E-02 9E-03 6E-02 4E-01 1E-01 1E-02 n 10% of theThe 10% critclides considhe initial suittors. ere designatsoil using thd for by adjuwill be exclance with the dose terion dered te and ted as he soil usting luded he 25 La CrossLicense TRevisionNote thalow. Ass25 mremwas usedor 0.053 qualitativrepresent6.13.1.RThe soilcontributfinal ROCcontributThe dosethe threeinsignificpercentagcontains the initiacontributboth are in Table The Tabsurface athat thereto date, remaininconcentraradionuc to the McontamincontaminreasonabFrom Attcontributand basedesignateThe data 3 is the mcalculatepositivelythe MDCto HTDpredominse Boiling WTerminationn 0 t Sr-90 was uming the ram/yr criteriond to calculate% percent ve reason thted a significRadionuclide DCGLs antions from thCs and adjustor radionucle percentagee BFM scenacant contribuges attributaa copies of al suite andtors that werprovided in 6-3 and the le 6-3 mixtuand subsurface is minimalLACBWR ng subsurfacations of rlide mixtureMDC biasingnated water nation, the Rly representatachment 6-3te greater thement concred as insignifrom high amost represed when the Hy detected, tC values whiD radionuclinately Cs-13Water ReactorPlan included inadionuclide n. When the ae dose perceof the 25 mhat it was pcant dose fraes of Concend BFM Dhe initial suitst the ROCs lides. es for the iniarios; BFM utors removable to the inTables 20 ad the dose re removed.Attachment second applure was basce soil charal residual radoes not ance soil thatadionuclidese fractions fog issues disthat caused ROC and radative of soils3, it is seen tan 97.28% orete are Csificant contriactivity coresentative dataHTD radionthen the mixtich is conserides using 37, decreasesr n the ROC lmixture in Tactual soil chentages, the mrem/yr critpositively idaction. rn and AdjuFs were uste radionuclifor the doseitial suite raInsitugw, BFved was the nsignificant cnd 22 from percentages Two metho6-3. The firied the actuased on concacterization idioactivity inticipate thet has not s identified or initial suitscussed aboconcrete codionuclide ms for FRS plthat for all sof the total ds-137, Co-6ibutors and as that were ua available. Tuclides are pture percentrvative. HowMDC valus. 6-36 ist for soil aTable 6-3, thharacterizatiSr-90 dose wterion. Sr-90dentified in usted Soil Dsed in Refeides, identifye percentagedionuclides FM Insituds,same for socontributors Reference 5attributableods were usrst method apal concentratcrete cores bin the impacin soil. Base presence oyet been cin LACBWte radionucliove. Based ontaminationmixture derivanning and isoil and concdose. There0 and Sr-9are eliminateused to calcuThe most accpositively deages assignewever, the acues will dealthough thehe Sr-90 dosion data for was determi0 was inclusome concDCGLs and erence 5 to y the insignie attributablewere calcul, and BFM Eoil and the B were differ5 which prove to the agsed for the capplied the rations of charbut was alsocted area sured on the chof significancharacterizedWR soil, tides in soil id on a genen would be ved for the coimplementatcrete scenariefore, the fin0. The red from furthulate the radicurate radionetected. If thed to the HTccuracy of thecrease as e dose contrse fraction wthe initial suined to be 2uded as a srete sampleBFM DFs calculate tificant contrie to the remolated for soiExcavation. BFM scenarrent for eachvide the dosggregate of calculation aadionuclide racterizationo applied torrounding LAharacterizatint soil contad. Due tothe direct ds not techniceralized assusimilar to thoncrete was tion. ios, Cs-137, nal ROCs foremaining rher detailed ionuclide minuclide mixhe HTD radiTD radionuclhe mixture fthe total ribution waswas 0.009% ouite radionuc.06E-02 mreoil ROC foes not becauthe relative ibutors, selecoved insignifil and for eaThe final lrios but the h. Attachmene percentagethe insignifand the resumixture fracn results. o soil. ResulACBWR indon survey reamination ino the very determinatiocally feasiblumption thahe source oconsidered Co-60 and Sor LACBWRradionuclideevaluation. ixture in Tabxture fractionionuclides arlides are basefractions assisample act very of the clides em/yr or the use it dose ct the ficant ach of ist of dose nt 6-3 es for ficant ults of ctions lts of dicate esults n any low on of e due at the f soil to be Sr-90 R soil s are ble 6-ns are re not ed on igned tivity, La CrossLicense TRevisionThe potethe most the adjusThe doseThe 2.17 (0.68 mrinsignificHTD radreview o concentratotal samthe maximmean actscenario contributthat the approachwould ac6-3. As anothworst cascore samhomogen1/2 inch, t(see Attais that evWTB rescase valu As a co2.179% DCGLs aSee Tabl of insignse Boiling WTerminationn 0 ential effect limiting insstment of soe percentage 9% value rerem/yr) at thcant contribudionuclide cof the charactations of insmple activity mum 2.179%tivity of the is 0.787 mrtors of only insignificanh values corrctually be cloher example,se dose conmples taken neously distrthe worst caachment 6-3)ven in this wsults in an inue of 2.179%onservative (calculated and BFM Des 6-19 to 6ificant contr T Water ReactorPlan of mixture vsignificant coil DCGLs anranged fromepresents thehe dose limutors remainoncentrationterization dasignificant cup to and e% value wasselected correm/yr with 0.086% (0.0nt radionuclresponding toser to 0.086, the concretsequences ain the WTributed over ase dose con). This resulworst case snsignificant c%. measure, thfor the GroDose Factors -23 for the aributor dose able 6-19 SCr variability oontributor dond BFM Dom 0.403% to e hypotheticamit of 25 mrn constant asns will increaata over a rancontributor rxceeding a ts calculated fre samples isa correspon021 mrem/yrlides wouldo 25 mrem/y6% than the te core sampare from the TB is 1.2E+the entire sunsequence wlt obviously scenario, thecontributor dhe most limoundwater scto account adjusted soil percent wasSoil DCGLsContributor ROC Co-60 Sr-90 Cs-137 6-37 on dose is coose percentaose Factors (2.179%. al dose contrrem/yr, assus activity incase linearly wnge of total aradionuclidestotal activityfor the WTBs used the donding dose pr) (see Attacd remain atyr and that th2.179% valples taken dWTB basem+04 pCi/g. urface of thewas 155 mreindicates the dose baseddose percentmiting insigncenario for for the insigDCGLs and performed fs for ROC Ar Dose FractAdjusted S(pC1.25E6.40E5.65Eonservativelage from all (i.e. 2.179%ribution of thuming that tcreases. Howith dose upactivity in ths are below y representinB Groundwatose calculatepercentage achment 6-3).t their MDhe insignificlue calculateduring charament. The Assuming e WTB basemem/yr for thehat remediatid on actual ctage of 1.587nificant dosthe WTB) gnificant cond BFM Dosefor Buried PAdjusted fortion Soil DCGLs Ci/g) E+01 E+03 E+01 ly accountedof the scena% as seen in he insignificthe mixture owever, it is p to 25 mremhe samples, i MDC overng 25 mrem/ter scenario.ed for the Wattributed to . The realisC values acant contribued using the acterization taverage totathat the avment (101.9 e WTB Excion is necesscore concen7% which isse contributowas used tntributor dose Factors. A Pipe. See secr Insignificad for by apparios evaluatAttachment cant radionuc fractions ounlikely tham/yr. Basedit is clear thar a wide ran/yr. For exam. When the aWTB Groundwthe insigniftic expectatias concentrautor dose framixture in Tthat represenal activity foverage activim2) to a depavation scensary but the ntrations froms below the wor percentago adjust these (Referencseparate anaction 6-18. ant plying ted to 6-3). clides of the at the d on a at the nge of mple, actual water ficant ion is ations action Table nt the or the ity is pth of nario. point m the worst ge of e soil ce 5). alysis La CrossLicense TRevisionCCCCThe mixcontributinsignificdose imp se Boiling WTerminationn 0 TableROC Co-60 Sr-90 Cs-137 TableROC Co-60 Sr-90 Cs-137 TableROC Co-60 Sr-90 Cs-137 TableROC Co-60 Sr-90 Cs-137 ture fractiontors is listed cant contribupact and was Water ReactorPlan e 6-20 ReInsIe 6-21 WTCoIn624e 6-22 WGCoIn114e 6-23 ReInsIn115n for the ROin Table 6-2utors is attrib therefore inr eactor Buildsignificant CInsitu GW 4.87E-01 5.05E+00 1.76E-01 TB BFM DFontributor Dnsitu GW 6.66E-02 2.93E+00 4.16E-02 GTV BFM ontributor Dnsitu GW 1.20E-01 1.10E+00 4.79E-02 emaining Stsignificant CRensitu GW 1.40E-02 1.19E+00 5.28E-03 OC and the 24. Note thabutable to Nncluded in th6-38 ding BFM DContributorReactor Build(mreInsitFs for ROCDose FractioWTB A(mreInsituDFs for RODose FractioWGTV A(mreInsituructures BFContributoremaining Stru(mreInsitumixture fraat the majoriNi-63 (with ahe group of inDFs for ROCr Dose Fracding Adjustedem/yr per mCtu Drilling Spo1.19E-01 2.11E-04 2.91E-02 C Adjusted fon Adjusted BFMem/yr per mCu Drilling Spo1.17E+00 2.08E-03 2.86E-01 OC Adjustedon Adjusted BFMem/yr per mCu Drilling Spo6.08E-01 1.07E-03 1.48E-01 FM DFs forr Dose Fracuctures Adjustem/yr per mCu Drilling Spo1.34E-01 2.36E-04 3.26E-02 action for thity of the 0.1a fraction ofnsignificant C Adjusted ction d BFM DFs Ci) oils for InsignifiM DFs Ci) oils d for InsignM DFs Ci) oils r ROC Adjuction ted BFM DFs Ci) oils he aggregate1013 mixturf 0.08) whiccontributorsfor Excavation1.58E+00 3.08E-03 3.50E-01 icant Excavation2.10E+01 4.08E-02 4.63E+00 nificant Excavation7.00E+00 1.37E-02 1.54E+00 usted for Excavation3.52E+00 6.85E-03 7.75E-01 e of insignifre fraction foch has a verys. ficant or the y low La CrossLicense TRevisionC6.14.A check concentrathe residuthe fill dunot in theInsitugw +complianconcentraA6.15.As discuconsidereaccordancomplianforeseeabscenario A quantisimple quless thanintake ratA dose airrigationingestionlivestockscenario assessmeThe Resiused for contaminopposed root deptse Boiling WTerminationn 0 TConcentratiocalculationations of ROual radioactiuring baseme concrete. + BFM Insitnce (see LTPations were Alternate Laussed in sected, Residennce with NUnce, but werble" land useis "significaitative evaluualitative evn the dose frte would be assessment on) was perforn and fruit ank would be radose assessments includedident Gardethe Industrinated zone tto the 1 m dth parameteWater ReactorPlan Table 6-24 ICons in Excavn was perforOC in fill mivity in the cment concreteThe calculatuds + BFM P Chapter 5)less than theand Use Scetion 6.4, twt Gardener UREG-1757, re used to re. NUREG-ant" then greuation of thevaluation conom the Induless. of the Residrmed. The Rnd vegetableaised on the ment was ped the ROC atener soil dosial Use soil thickness wadepth assumeer was adder ROC anMixtureROC Co-60 Sr-90 Cs-137 Insignificant Contributors Total vated Fill Mrmed in Rematerial after concrete wase excavationation was baExcavation.). For all ROe surface soilnario Dosewo alternate with onsitethese less lrisk-inform 1757 states teater assurane dose from ncluded thatustrial Use sdent GardeneResident Gares from an osite so the merformed fort their respecse was calcudose assessas changed ed in the scrd since the 6-39 nd Insignifice FractionsMixture F0.00.000.870.101.0Material ference 8 toexcavation.s instantly ren. Therefore,ased on BFM. The summaOC and all bal DCGLs. "less likely e well and Rlikely but plthe decisiothat if the pnce that the sthe Recreatt the dose thscenario becaer scenario (rdener pathwonsite gardenmeat and mir backfilled cctive mixturulated with ment with tto more cloreening apprplant pathwcant RadionFractions 122 091 774 013 00 o determine The calculeleased to th, the source M DFs that wation DF wiasements, thbut plausibRecreationallausible scenn of Industeak dose frocenario is untional Use shan the Recreause the occ(with onsite ways includen. It was conilk pathwaysconcrete ande fractions athe RESRAthe parameteosely represroach used inway is activnuclide e the maximlation assume fill and unterm would were the sumill be appliedhe hypotheticble" land usl Use with narios were trial Use as om a less liknlikely woulscenario waseational Usecupancy timwell for dred direct dosnsidered higs were inactid soil sourceas listed in TAD determiner changes lent actual sn the Industrve in the Remum hypothmed that 100niformly mixbe in the filmmation of d during FRcal maximume scenarios onsite wellnot analyzethe "reasonkely put plauld be necessas not requiree scenario wme and well winking watee, inhalationghly unlikelyive. The altee terms. TheTable 6-24. nistic paramlisted belowsite conditiorial scenarioesident Gardetical 0% of xed in ll and BFM RS for m fill were l. In ed for nably usible ary. ed. A will be water r and n, soil y that ernate dose meters . The ns as o. The dener La CrossLicense TRevisionscenario.5512). TCInFFFLDDThe asse two waysprovide tthe alternequal toconcentracould notdecommisection 6The soil identifiedwas the Scenario hypothet excavate section 6The doseScenario determinabove to it is projeThe resuas-left coGardenercomplianExcavati low dosefor the comparisse Boiling WTerminationn 0 The remainThe parameteContaminatednhalation Raraction of Traction of Truit, VegetabLeafy VegetaDrinking WatDepth of Roossment of ths. First, the mthe most accnate scenarioo the maxiations that rt plausibly oissioned whi6.4). The dosdose from td during chahypotheticaDCGLs, thical maximud and sprea6.14). The ree from backassuming nistic paramerepresent thected to contulting Resideondition at tr dose fromnce during Fon (see LTPe from the BWTB in thson, when thWater ReactorPlan ning parameers changes ad Zone Thickate - 8400 m3ime Spent Inime Spent Oble and Graiable Consumter Intake - 4ots - 1.22 m. he soil dose maximum socurate estimao dose was imum allowresult in 25 occupy the Lich was consse calculationhe Resident aracterizational maximume dose was um radionucad on the gresulting dosekfilled concthe BFM Ieters used fhe Resident Gtain the majoent Gardenerthe time of m the BFMFRS will beP Chapter 5)BFM Insitu she Industriahe 30 year der eter changesare: kness - 0.15m3/yr, ndoors - 0.64Outdoors - 0.in Consumptmption - 21.4478 L/yr, from the Reoil concentraate of dose fcalculated awable soil mrem/yr). TLACBWR siservatively ans are documGardener an as the soum soil conc31.4 mrem/yclide concenround surface from the Rcrete was alInsitu geomfor the BFMGardener scority of residr dose from license termM Insitu scee the summa which is doscenario. Foal Use scenecay period i6-40 s are metabom, 49, 124, tion - 112 kg, esident Gardations identifrom soil in assuming theconcentratiThe doses wite until afterassumed to bmented in Relternate scenurce term wacentrations tyr. A dose antrations in ce during thResident Gardlso calculatemetry descriM Insitugw doenario. The dual radioactbackfilled cmination) wanario is lowation of theominated by or example, tnario, assumis included tholic and behg/yr, ener alternatfied during cthe Residene ROC concions in thewere calcular the G-3 plabe 30 years eference 8. nario using tas 0.66 mrethat could rassessment wfill materiahe excavatiodener was 26ed for the Ribed in secose assessmWTB was utivity at licenconcrete in as 0.94 mremw because BFM Insit the Excavathe dose froming no dehe dose is 0.havioral (frote scenario wcharacterizant Gardener scentrations we Industrialated assuminant ceased oafter licensethe maximumem/yr. Whenremain givewas also peral. The fill ion of structu6.9 mrem/yrResident Gaction 6.11.1ment were mused for the nse terminatthe insitu gem/yr. Note tthe BFM Dtugw + BFMation Scenariom the BFMecay, is 1.7.84 mrem/yrom NUREGwas performation were usscenario. Secwere theoretil Scenario ng that a resoperation ande terminationm concentran the source en the Indurformed usinis assumed ure concreter. ardener Alte. The RESmodified as assessment tion. eometry (i.ethat the ResDFs appliedM Insituds + io. This resuM Insitu geom77 mrem/yr.r. G/CR-med in sed to cond, ically (i.e., sident d was n (see ations term ustrial ng the to be e (see ernate RAD listed since e., the sident d for BFM ults in metry . For La CrossLicense TRevisionThe finaBFM Exlimitationalternate soil. HowIn conclunot signifB6.16.The BFMthe conccalculatinacceptabAlthoughthe BasemReferencdemolitioLcoLThese limrate) andensure thacceptabcomplianTo compdemolitiomeasuremair democontaminopen airidentifiedThe doseopen air assessmeof potentplausibleTable 5.1but is uconcentralimit are demonstrse Boiling WTerminationn 0 l consideratxcavation Scn that the exscenario dowever, the dousion, the doficant and thBFM ElevateM is a mixingcentration anng Area Facility of elevah AFs are noments are lice 14. The on of structuLess than 2 moncrete. Less than 1,0mits define td removablehat the dose le. The opnce calculatioply with the on. These sment modes.olition couldnation potentr demolitiond and remede from a hypdemolition ent was to futial dose. The" scenario (1, the scenarsed to helpation that coacceptable, ration using Water ReactorPlan ion is the dcenario. Becxcavated conose from excose from conose from theherefore greaed Area Cong model thatnd distributitors (AFs) inated areas ofot applicablemited by thBasements ures above 63mR/hr beta-g00 dpm/100the acceptabe contaminatto the publpen air demoons for 10 Copen air desurveys will. Scanning cd include utial. The pren will proviated. pothetical malimits was eurther "risk-ihe Worst-Ca(as defined rio is not anp "risk inforould remain assuming athe BFM DFr dose from thcause the Bncrete wouldcavated concncrete woulde Recreationater assurancnsiderationt uses the totion of the rn conjunctiof activity doee to the BFMe implementwill be rem36 foot elevagamma total cm2 beta-gable operationtion that canlic from airbolition limitCFR 20.1402emolition liml use convencoverage forup to 100% e-remediatioide confideaximum conevaluated usinform" the aase Drillingin NUREG-nalyzed for crm" and juin elevatedll activity isFs. 6-41 he Resident FM Excavad not exceedcrete would d be less sincnal Use and ce that these s tal inventoryresidual radon with conces not apply.M, the maximtation of themediated to ation. The osurface contamma loose snal levels of n remain prborne contamts are opera2. mits, radiologntional gamr pre-remediof the accon surveys peence that concentration thsing the drilacceptabilityg Spoils asse-1757, Tablcompliance wstify the ded areas after s accounted Gardener alation concepd the surfacebe essentialce plants canResident Gascenarios wy as the sourcdioactivity. centration-ba. mum concene open air dethe open aiopen air demtamination osurface contffixed (as mrior to openmination genational levelgical surveymma instrumeiation surveycessible surferformed to ontaminationhat could remlling spoils sy of a worst-essment is cle 5.1). Conwith the 10 ecision that remediationfor and incllternative scptual model e soil DCGLly the same nnot be growardener alterwill not occurce term and The standaased DCGLsntrations thatemolition limir demolitiomolition limiton contact witamination. measured by n air demolitnerated durils and are nys will be peents in typicys on structuface area dprepare builn above themain after rescenario. Th-case conditiconsidered ansistent withCFR 20.140the hypothn to the 2 mluded in the cenario giveis based onLs, the maxias calculatewn in concretrnate scenarr is unnecessis independeard approachs to determint could remamits describon limits prits are: ith structuracontact exption. The ling demolitinot a part oerformed prical scanningures prior to epending onlding surfacee limits wiemediation the purpose oion in the coa "less likelyh NUREG 02 dose critehetical maximR/hr demofinal complen the n the imum ed for te. ios is sary. ent of h for ne the ain in bed in ior to al osure limits ion is of the ior to g and open n the es for ill be to the of the ontext y but 1757, erion, imum olition liance La CrossLicense TRevisionThe Worinto a shypothet terminatito be excvery unliimmediathitting anFrom Recontaminin 2 mR/have esseof loose corresponarea conpCi/g. Also fromSpoils scCs-137. approximhypothet meet theDemonstsufficientmaximumS6.17.The REScontamindose for from a smReferencused to c1.0 m2 toThe AFssmaller aThe full RAFs are p se Boiling WTerminationn 0 rst-Case Dripot of residical Cs-137 ion taking nocavated and ikely for twotely after licn area contaieference 8, nation throug/hr at contacentially no e"dust" is trnds to approntaining unifm Referencecenario, assuTherefore, mately 10,00ical maximue 2 mR/hr trating compt to accountm concentratoil Area FaSRAD modenated. Isolata given conmaller area ice 8 calculatcalculate soio 100 m2. Ths were calcuarea by the soRESRAD Suprovided in TWater ReactorPlan illing Spoils dual radioacconcentratio credit for dbrought to o reasons. Fcense terminining the maassuming angh the first hct is approxieffect on therivial. For eoximately 45form radioace 8, the Cs-1uming one-hthe dose 0/80,000*25um area of open air dpliance witht for the actions. actors eling for soted areas of ncentration. s defined as tes AFs for eil DCGLs. The need to aulated by divoil DCGLs iummary RepTable 6-25. r scenario asctivity in bion. The dridecay. The the surface First, the scation. Seconaximum hypon arbitrary chalf inch of mately 10,0e dose rate bexample, a 5 pCi/cm2 coctivity throu37 concentrhalf inch confrom this 5 = 3.1 mremresidual raddemolition h the dose cctivity, and aoil assumes fcontaminatiThe ratio ofthe Area Faeach ROC uThe "Area oapply AFs toviding the pCin Table 6-7ports are pro 6-42 ssumes that basement flolling I assumentire invenwhile mixinenario assumnd, the probaothetical concircular areaconcrete, the00 pCi/g Csbecause the aloose contamompared to 2ugh a half iration that wntamination "less likelm/yr and is dioactivity, blimit, is ncriterion usinassess the dthat the enion that are f the dose fractor (AF). using RESRAof Contamino contaminatCi/g per 25 . ovided electrthe water suoor concretumed to occuntory within ng with overmes that a wability of an ntamination a with a 36e Cs-137 cos-137. The lactivity assomination lev29,000 pCi/cinch layer awould result idepth, was ly but plaunot significabeyond that ot justified ng the total dose, in the ntire area wsmaller thanrom the full AD with thenated Zone"ted areas gremrem/yr varonically witupply well ie that contur immediatthe drill diamrburden fill water supplyassumed eiglevel during6 inch diameoncentration evels of looociated with vel of 10,00cm2 total invat a concentin 25 mrem/approximatusible" scenant. Furtherrequired foon a riskinventory aareas with within the Ln 7500 m2 wsource terme determinis" parameter eater than 10alue from REth Referenceis drilled dirtains the hitely after licmeter is assuand soil. Thy well is instght inch borg drilling is leter and unithat would rse contamina very thin 00 dpm/100ventory in a 1tration of 10/yr in the Drely 80,000 pnario wouldr reduction oor remediatiok-informed band BFM Dthe hypothSE, 7500 mwill have a lm area to thestic parametewas varied 00 m2 is unliESRAD for e 8. The resurectly ighest cense umed his is talled ehole ow. iform result nation layer 0 cm2 1 cm2 0,000 rilling pCi/g d be of the on to basis. DFs is etical m2, is lower dose er set from ikely. each ulting La CrossLicense TRevisionRadionuCs-137 Co-60 Sr-90 B6.18.Buried psection dThe calcu6.18.1.SWith the to remainpotential Water froimpactedcontaminrequired DCGLs characterpotential discussedresults inthen sam6.18.2.EConsistenmaterial,buried pifrom burNUREG-the radio piping atconceptuthat no mbetween The concdevelopeof the pipse Boiling WTerminationn 0 uclide Buried Pipiniping is defidescribes theulations are ource Termexception on at LACBWis minimal.om LACBWd because thnation and wfor non-impfor buried rization has . The radiod in LTP Chndicate that tmples will be Exposure Scnt with the two exposuipe being exied pipe rem-1757, Appenuclide conct LACBWR ual model is mixing is asspipes duringceptual moded for the BFpe is assumeWater ReactorPlan Table1m2 9.44 9.11 11.22 ng Dose Assened as belowe buried pipperformed bm and Radioof a portion oWR was asso See Table 6WR Crib Houhey only conwill continupacted areas. pipe were been perfoonuclide mixhapter 5, if cthe buried panalyzed foenario and guidance iure scenariosxcavated andmaining in sitendix J statecentration inis a minimumore consersumed to occg excavationdels for the bFM. In the Ied to instantr e 6-25 Su2m2 5.56 5.42 6.66 essment andw ground pipe dose assesby RESRADonuclide Miof the Circuociated with6-2 for list ouse to G-3 anntacted cleanue operation calculated ormed in bxture is asscontinuing cpiping dose cr HTD radioCritical Grn NUREG-s were consd spread acrtu (Insitu scees that it shon the analysium of 1 m brvative thancur with then. buried pipe IInsitu scenartaneously rel6-43 urface Soil AArea F5333d DCGL pe located ossment methD and Excel sxture ulating Waterh contaminatof buried pipnd Well waten river waten after licenfor the inburied pipinsumed to beharacterizaticould exceedonuclides androup 1757, Appeidered; 1) inross the surfenario). ould be apprs, including below grade.the NUREGe soil in the Insitu and Erio the residulease and miArea FactorFactors m2 .07 .01 .69 outside of strhods and prospreadsheet ar System Pipted systems pe to remainer piping forer or groundnse terminatnitial suite ng due to the the same ion is perford 50% of thd additional endix J reganadvertent inface (Excavropriate to uany interspe. The LACBG-1757, App1 m cover oExcavation sual radioactix with a thirs 10m2 2.04 2.00 2.45 ructures and ovides the ras detailed inpe, none of and therefon. The High r Well #3 aredwater withtion. No DCradionuclidethe very lowas listed inrmed for buhe 25 mrem/yassessmentsarding assesntrusion whvation scenaruse the arithersing cleanBWR buriedpendix J conor the interspscenarios aretivity on the in 2.54 cm l100m21.19 1.18 1.41 basements. resulting DCn Referencethe buried pore contaminPressure See consideredh no potentiaCGLs or FSes. To datew contaminn Table 6-3ried pipe anyr dose crites performedssment of bhich results irio), and 2) hmetic averan soil. The bd pipe excavnceptual modpersing cleane similar to internal surayer of soil This CGLs. 8. piping nation ervice d non-al for SS is e, no nation 3. As nd the erion, . buried in the dose age of buried vation del in n soil those rfaces in an La CrossLicense TRevisionarea equareleased presence assumptiflowable to be conscenario ground s surface dWorker iand soil m6.18.3.BRESRADDCGLs fThe burieand grouis designPipe onlysignificanthe site. The Insiinclude tinput parterm geothan one the thin basementinsitu do table. ThFlow" w area equaThe insitInsitu Grelevationinternal sthe ExcaCirculatincalculate6.18.4.BThe RESReferencse Boiling WTerminationn 0 al to the intradioactivityof the pipeon, particulfill materialnservative onmodel assumurface after disturbance cis exposed tomodels. Buried PipinD modeling for the interned piping wuping of all inated as the "y. The separntly differentu dose calcthe Circulatirameters appometry (see Tmeter belowlayer (2.54 t floor, i.e..,se, which is he assumed ere calculateal in size to ttu dose for roundwater pn of the botsurface area avation scenang Water D surface soilBuried Pipe SRAD Summce 8. The fullWater ReactorPlan ternal surfacy as a beloe to reduce arly for the l. The assumn the sensitimes that the excavation.caused by tho the Insitu ang Dose Assewas perfornal surfaces as separatedimpacted bur"Group". Thation of the nt from the oculation forng Water Dplied to the BTable 6-26).w the groundcm) source, the WGTVdriven by thRESRAD paed assumingthe summed the Circulatparameters wttom of the of the pipe.arios (and cDischarge Pl DCGLs witDCGLs Inimary Report l RESRAD Sr ce area of thow ground 2environmenCirculatingmption of a tivity analysireleased rad A 15 cm mhe large scaleand Excavateessment rmed to calof the pipes d into two caried pipe othhe second caCirculating other pipe anr the buried Discharge pipBFM Insitu G The depth d surface in e term was V at 621 foothe groundwaarameters "Ag that the all internal surting Water Dwith the elevpipe (630 f. See Table correspondinPipe were cth source tertial Suite file names fSummary Re6-44 he pipe. The2.54 cm layntal transporg Water Discthin soil mixis for the BFdioactivity ismixing layere excavationed soil via thlculate DSRafter converategories. Thher than the ategory consWater pipe wnd the pipes piping "Grpe) was perfGroundwaterof the buriedorder to be nominally at elevation. ater pathwayArea of Conof the pipe face area of Discharge Pvation of thefoot). The c6-26 for theng DCGLs) falculated usrm adjustmenfor the RESReports are sto e Insitu scenyer of soil wrt and migracharge Pipexing layer foFM (see sects mixed withis assumed n required tohe same pathRs which arrting units tohe first categCirculating isted of the was necessaare located iroup" (whicformed by Rr scenario wd piping varbelow the fassumed to Using a lowy, by minimizntaminated Zin the groupfall Group piPipe was alse thin contamcontaminatede source termfor both thesing the REnts as listed RAD Buried ored electronnario model with no credation. This i which willor buried mation 6.11.1)h a 15 cm ladue to the o remove piphways applicre the basis o dpm/100 cmgory includeWater DiscCirculating ary because tin distinctly ch as statedRESRAD mowith adjustmeries but is infreeze zone. be the samwer elevatiozing the distZone" and "Lp was locateipes. so calculatedminated layed area was m parametere Buried PipESRAD parin Table 6-2Piping runsnically. Theassumes thadit taken fois a conservl be filled waterial was sh. The Excavayer of soil oextensive grpe. The Inducable to the for determm2. ed the summcharge PipingWater Dischthe geometrydifferent pad above doeodeling usinents to the son all cases grThe elevatime as the deon maximizetance to the wLength Paraled in one cird using the er being set aset equal trs. The dose pe Group anrameters use26. s are listed ine detailed inpat the or the vative with a hown vation on the round ustrial BFM mining mation g and harge y was arts of s not ng the ource reater on of eepest es the water llel to rcular BFM at the o the from nd the ed to n puts La CrossLicense TRevisionCAZTCLAUT to the DCresulting Excel sprprovided6.18.5.BThe Buricontributfinal ROcontributfractions The dosepipe scenall buriedSr-90 andThe dosepipe DCGinsignific6-3 containitial suicontribut se Boiling WTerminationn 0 Table 6-ParameCover Depth (mArea of ContamZone (m2) Thickness of Contaminated zLength Parallel Aquifer Flow (mUnsaturated ZoThickness (m) CGL calculaRESRAD Dreadsheet asd in Table 6-2Buried Pipe ied Pipe DCtions from thCs and adjutors. The dofrom Table e percentagenarios; Insitud pipe scenard Cs-137. e percentagesGL categoriecant radionuains a copy oite and the dtors that werWater ReactorPlan -26 RESRter m) minated zone (m) to m) ne ation, includDSRs geners described i27. RadionuclidCGLs in Tabhe initial suitust the ROCose percent6-3. es for the inu and Excavarios and the s for the insies. Thereforeuclide fractioof Table 24 fdose percentare removed. r RAD SourcDCGLBuried Pipe Group Insitu 5.465 1349.71 0.0254 41.45 0.61 ding RESRArated by moin Referencedes of Concble 6-27 werte radionucliCs for the dotages for thnitial suite raation. The fisame as ideignificant coe, adjustmenons were calcfrom Referenages attribut6-45 ce Term ParL CalculatioBuried PGroup Excavati0 1349.70.1541.456.0706AD source teodeling and e 8. The burcern and Adre used in Rides, identifyose fraction ahe initial suadionuclidesinal list of inntified for soontributors wnts to the Buculated separnce 5 which able to the arameters forons Pipe p ion CircuWaDischPi In2.1 7660.01606 3.erm parameall unit conried pipe DCdjusted DCGReference 5 ty the insigniattributable uite were cas were calcunsignificant coil and basewere differenuried Pipe DCrately for eah provides thaggregate of r Buried Pipulating ater harge ipe nsitu CiDEx74 6.14 0254 0.02 33 eter calculatinversions arCGLs for thGLs to calculate ificant contrito the remoalculated usulated for eacontributors ments. The Rnt for each ofCGLs to accach of the foue dose percethe insignifiping irculating Water Discharge Pipe xcavation 0 766.14 0.15 160.02 6.0706 ions, a list oe provided he initial suitthe relative ibutors, selecoved insignifsing the miach of the bwas the samROCs are Cf the four bucount for theur. Attachmeentages for thficant of the in an te are dose ct the ficant ixture buried me for Co-60, uried ent he La CrossLicense TRevision RadCEEEPPPPAACC The dose1.961%. insignificThe finalExcavati i.e., the iare provi se Boiling WTerminationn 0 dionuclide (H-3 C-14 Fe-55 Ni-59 Co-60 Ni-63 Sr-90 Nb-94 Tc-99 Cs-137 Eu-152 Eu-154 Eu-155 Pu-238 Pu-239 Pu-240 Pu-241 Am-241 Am-243 Cm-243 Cm-244 e fraction oTable 6-28 pcant dose perl DCGLs toon scenariosnsitu and exided in TableWater ReactorPlan TabBuried Pipe Group Insitu (dpm/100 cm24.69E+08 1.82E+07 0.00E+00 1.12E+10 9.12E+06 4.67E+10 5.84E+05 1.01E+08 2.33E+07 2.57E+07 1.46E+09 2.68E+09 1.43E+11 1.50E+06 7.85E+05 7.93E+05 5.14E+07 1.82E+06 1.49E+06 7.57E+08 3.03E+08 of the aggreprovides thercentage. be used dus must be suxcavation scee 6-29. r ble 6-27 B2) Buried PExca(dpm/14.652.435.951.528.435.553.991.278.793.601.821.706.629.908.918.923.046.521.111.711.59egate of thee final Burieduring FSS acummed in theenarios may6-46 Buried Pipiipe Group vation 100 cm2) 5E+09 E+10 5E+10 2E+11 E+04 5E+10 9E+07 7E+05 9E+07 0E+05 2E+05 0E+05 2E+06 0E+06 E+06 2E+06 4E+08 2E+06 E+06 E+06 9E+07 insignificand Pipe DCGLccount for the conceptualy occur in paing DCGLsCirculatingWater DischaPipe Insitu (dpm/100 cm1.56E+081.53E+070.00E+000.00E+004.92E+071.98E+116.94E+051.01E+087.26E+061.31E+081.45E+121.40E+144.72E+191.04E+077.88E+058.11E+051.11E+083.84E+061.52E+066.63E+083.01E+08nt contributLs for the Rhe fact that tl model for arallel. The s g arge m2) CirculDiscEx(dpm627187411311611137112tors ranges ROC adjustedthe dose froburied pipe summed Burlating Water charge Pipe xcavation m/100 cm2) .23E+09 .45E+10 .77E+10 .98E+11 .58E+04 .24E+10 .23E+07 .29E+05 .19E+08 .66E+05 .86E+05 .73E+05 .71E+06 .29E+07 .16E+07 .16E+07 .68E+08 .93E+06 .16E+06 .79E+06 .07E+06 from 0.413d for the remom the Insitudose assessmried Pipe DC% to moved u and ment, CGLs La CrossLicense TRevision RadionCo-Sr-Cs- E6.19.There is concentraunder theBuilding In late 20and licen1983, prresults. GgroundwGroundwROCs idirrigationGW ExpGuidanceAMCG d se Boiling WTerminationn 0 Tabnuclide B(d-60 -90 137 Table 6Existing Grolow potentations have e Turbine Buindicated po012, five addnse terminatiredominantlyGroundwaterwater contamiwater Exposudentified in n the only exposure Factoe Report 11drinking watWater ReactorPlan ble 6-28 Buried Pipe Group Insitu dpm/100 cm29.01E+06 5.77E+05 2.54E+07 6-29 Sumfor RadionucliCo-60 Sr-90 Cs-137 oundwater Dtial for signibeen identiuilding. Samositive grounditional monion. Results y H-3. See r Exposure ination that mure Factors Table 6-24 xposure pathwors were th1 Ingestion ter intake ratr Buried PipInsignifica2) BuriGExc(dpm/8.33.93.5mmed BurieInsignificande BuriG (dpm8.35.63.5Dose ificant grouified in groumpling in 19ndwater connitoring wellindicated loLTP ChaptFactors wemay be presfor existingplus H-3. way from grherefore calcDose Convte of 327 L/y6-47 pe DCGLs fant Radionuied Pipe Group avation /100 cm2) 9E+04 8E+07 9E+05 ed Pipe DCGnt Radionucied Pipe Group /100 cm2) 1E+04 9E+05 4E+05 ndwater conundwater ad983 from a wtamination al pairs were wer groundwter 2 for a ere calculateent at the timg GW conta Because throundwater iculated in Rversion Factyr. See Tablefor ROCs Auclide FractCirculatWater DiscPipe Insitu(dpm/1004.86.81.2GLs for ROclide FractiCirculatWater DiscPipe (dpm/1008.53E+6.70E+3.64E+ntamination djacent to suwell located dat relatively installed to water contamsummary oed to determme of licenseamination whe industriais potable waReference 8tors and thee 6-30. Adjusted fortions ting charge e u 0 cm2) W(d82E+07 80E+05 28E+08 OCs adjustedons ting charge e 0 cm2) +04 +05 +05 to be preseuspected brodown gradielow concentsupport sitemination levof characterimine the doe terminationwere calculatal scenario dater from an8 directly ue assumed ir Circulating Water DischarPipe Excavationdpm/100 cm28.55E+04 4.22E+07 3.65E+05 d ent althoughoken floor dent of the Tutrations. e characterizvels than fouization and se from exin. ted for the does not inn onsite wellsing the Feindustrial wrge 2) h low drains urbine zation und in HSA isting three clude . The ederal worker La CrossLicense TRevision D6.20.As discube made and couldAfter comarea and calculatewhere: The doseburied pimultiplyise Boiling WTerminationn 0 RaDemonstratissed in sectithrough the d potentiallympliance is buried pipin dose and suComplianMax BFMMax BFMSummatioand BurieMax OpenMax BuriMax Exise for basemeiping is calcuing the ratio Water ReactorPlan Tabladionuclide Co-60 Cs-137 Sr-90 H-3 ing Compliaion 6.5.5, thsummation y occur in pademonstrateng, the meanummed as shnce Dose M Insitu (ds) M Excavationon BFM Insied Pipe Insitun Land ied Piping Exsting Groundnts is calculaulated by divby 25 mremr le 6-30 GGroance with Dhe final demoof dose fromarallel. ed independn concentratihown in Equn itu (gw) u xcavationdwater ated directlyviding the mm/yr. Note th6-48 Groundwateoundwater E(mrem/yr 8.801.644.642.09ose Criterioonstration ofm exposure dently througons or invenation 6-2. = Dose to I = maximum(mrem/yr) = maximumbasements = summatiobasements(mrem/yr)= maximum(mrem/yr)= maximum(mrem/yr)= maximumy from mean mean FSS conhat the BFM r Exposure Exposure Facper pCi/L)0E-03 4E-02 4E-02 9E-05 on f compliancescenarios thgh the FRS ntory values Industrial Wm BFM Insitm BFM Exc(mrem/yr)on of BFM Is (mrem/yr) ) from all pipm dose from) m dose from ) m dose from n STS resultsncentrations Insitugw dos Factors ctors e with the dhat are not mof each strufrom the FR Worker AMCtuds dose fromcavation doseInsitugw doseand Buried pe m open land sburied pipinexisting gros. The dose fby the DCGse from the bdose criterionmutually exclucture, openRS will be usEquatioG (mrem/yr)m basemente from e from all Pipe Insitu dsurvey units ng Excavatiooundwater for open landGLs and basement n will lusive n land sed to n 6-2 ) s dose on d and La CrossLicense TRevisionassigned Insitugw ScontamincontributgroundwR6.21.1. HR22. EW3. UCo4. URD5. EC6. PR7. PWan8. ED9. AR10. SC11. Z(Cth12. A213. SM14. EDse Boiling WTerminationn 0 the MaximuSummation"nation can eite to dose frowater summatReferences Haley & AldrReactor, Dair015. EnergySolutiWater ReactoU.S. Nuclear Consolidated f RadiologicU.S. Nuclear Radiation SurDecember 20EnergySolutiConcern Duriacific NorthReactor Mateacific NorthWithin and And DecommEnergySolutiDCGL and CArgonne NatiRESRAD 6.0andia NationContaminatioZionSolutionCRA) Reporhe Zion RestArgonne Nati001. heppard andMajor Soil TyEnergySolutiDemolition LWater ReactorPlan um BFM Ex term in Equither be retaiom well watetion becauserich Inc., Hyryland Poweons Technicor Historical Regulatory Decommisscal Criteria, FRegulatory rvey and As006. ons Technicing LACBWhwest Laboraerials, Pacifichwest LaboraAround Commmissioning Asons Techniconcrete BFMional Labora0 and RESRAnal Laboratoon From Decs Technical rt, Evaluationtoration Projional Laborad Thibault, Dypes: A Comons TechnicLimits. r cavation dosuation 6-2. Tined in the coer, not both.e it is based oydrogeologicr Cooperativcal Support DSite AssessmCommissionsioning GuidFinal ReportCommissionsessment of cal Support DWR Decommatory, NUREc Northwest atory, NUREmercial Nucssessment -cal Support DM Dose Factatory, NUREAD-BUILD ory, NUREGcommissioniSupport Docn of Hydroloect. atory, User'sDefault Soil/Smpendium, Hcal Support D6-49 se in EquatioThe two scenoncrete and The Buriedonly on the gcal Investigave, Genoa WDocument Rment (HSA)n, NUREG-1dance - Chart - Septemben NUREG-1Materials anDocument Rmissioning. EG/CR-3474Laboratory EG/CR-4289clear Power P1985. Document Rtors. EG/CR-66973.0 ComputG/CR-5512, Ving Parametecument 14-0ogical Params Manual forSolid /LiquidHealth PhysiDocument Ron 6-2 will nnarios are muexcavated od Pipe Insitu groundwateration Report,Wisconsin, FiRS-TD-31319). 1757, Volumracterizationer 2006. 1575, Supplend EquipmenRS-TD-313194, Long-Live- 1984. 9, Residual RPlants; OrigiRS-TD-313197, Developmter Codes - DVolume 3, Rer Analysis -006, Conestometers in Supr RESRAD Vd Partition Ccs, Vol. 59 NRS-TD-31319not be includutually excluor released todose is inclur pathway. , La Crosse Bile No. 387096-003, La Cme 2, Revisio, Survey, anement 1, Munt Manual (M96-001, Raded ActivationRadionuclidein, Distribut96-004, LACment of ProbaDecember 2Residual Rad- October 19oga Rovers &pport of DosVersion 6, ACoefficients,No 4, Octob96-005, La Cded in the "Busive; the o the fill and uded in Boiling Wat05-008, JanuCrosse Boilinon 1, nd Determinaulti-Agency MARSAMEdionuclides on Products ine Concentration, InventoCBWR Soil abilistic 000. dioactive 999. & Associatesse Modeling ANL/EAD-4,, Kds, for Foer 1990. Crosse OpenBFM ter ary ng ation E) - of n tion ory, s for , July our n Air La CrossLicense TRevision se Boiling WTerminationn 0 Water ReactorPlan Figr ure 6-1 S6-50 Site Regionaal Location La CrossLicense TRevisionse Boiling WTerminationn 0 Water ReactorPlan r Figure 6-26-51 2 Site Ovverview LLRLa Crosse BoilinLicense TerminRevision 0 ng Water Reactation Plan or Figure 6-36-52 LACBWR Buildings LLRLa Crosse BoilinLicense TerminRevision 0 ng Water Reactation Plan or Figure 6-46-53 LACBWR Ennd State LLRLa Crosse BoilinLicense TerminRevision 0 ng Water Reactation Plan or Figure 6-55 LACBWR6-54 R End State - Backfilled Struc ctures La CrossLicense TRevisionFigure 6 se Boiling WTerminationn 0 6-6 LACBWater ReactorPlan BWR End S r State - Back6-55 kfilled Reacctor Building Basementt Elevation V View La CrossLicense TRevision Input paramevalue Input paravaluAssign defaufrom NUREGVol. BehavioralAssign 75% percTEDE is positivwith the pase Boiling WTerminationn 0 Fi eter Sensitive,ameter e ult value G/CR 5512 3 centile value if vely correlated arameter Water ReactorPlan gure 6-7 AssiTED, lPRCCl > 0.25 r RESRAD PInput parametevalueign 25% percentileDE is negatively cowith the parameClassi"Sensitive"Complete using Assign NUREGPrioInputAssignfrom NURVMetaboClassifyMetaboSelepa6-56 Parameter

er e value if orrelated eter fy parameter as " or "Non-sensitivsensitivity analysiRESRAD v7.0 distribution from G/CR-6697, Att C ority 1 or 2 t parameter valuedefault value REG/CR 5512 Vol. 3 lic parameter y as Behavioral, olic, or Physical ect modelarameter Selection Fl ANon-senve" is Classify as Pri1, 2 or 3low Chart Input parameter value Assign 50% value distribution nsitive, lPRCCl < 0InpuAssignfrom RPiority InpuSavPhysica0.25 ut parameter value n Median value RESRAD v7.0 Priority 3 ut parameter value Site data vailable?al parameter La Crosse BLicense TerRevision 0 RBoiling Watermination PlaRESRAD Iner Reactor an nput Param ATTAmeters for LA6-57 CHMENT ACBWR So6-1 oil DCGL UUncertainty Analysis La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-58

La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-59

La CroLicenseRevisio sse Boiling Wate Termination Pon 0 ter Reactor Plan 6-60

La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-61 La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-62

La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-63

La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-64

La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-65

La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-66 La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-67 La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-68 La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-69 La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-70 La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-71 La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-72 La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-73 La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-74 La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-75 La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-76 La CroLicenseRevisiosse Boiling Wate Termination Pon 0 ter Reactor Plan 6-77 La CroLicenseRevisioNotes:

a P = phys b 1 = high-c D = deterd DistributLognorma Bounded loTruncated Bounded nBeta: 1 = mTriangularUniform: 1e Referencf ZionSolug Argonnesse Boiling Wate Termination Pon 0 ical, B = behavioral, M-priority parameter, 2 =rministic, S = stochastictions Statistical Paramel-n: 1= mean, 2 = standognormal-n: 1= mean, 2lognormal-n: 1= mean,normal: 1 = mean, 2 = stminimum, 2 = maximumr: 1 = minimum, 2 = mo1 = minimum, 2 = maxice: Haley and Aldrich, Iutions Technical Suppore National Laboratory, "ter Reactor Plan M = metabolic; (see NUR= medium-priority paramc ters: dard deviation 2 = standard deviation, , 2 = standard deviationtandard deviation, 3 = mm, 3 = P-value, 4 = Q-vode, 3 = maximum imum e Sm-148 an ND-Inc., "Hydrogeological Irt Document 14-003, C"User's Manual for RES REG/CR-6697, Attachmmeter, 3 = low-priority p

3 = minimum, 4 = max, 3 = lower quantile, 4 =minimum, 4 = maximumalue -144 not listed in RESRAInvestigation Report Lonestoga Rovers & AssSRAD Version 6", ANL ment B, Table 4.) parameter (see NUREG

imum = upper quantile m AD FGR 11 DCF file La Crosse Boiling Watersociates (CRA) Report, L/EAD 4, July 2001 6-78 G/CR-6697, Attachment

r Reactor, Dairyland Po"Zion Hydrogeologic In B, Table 4.1)

ower Cooperative, Genonvestigation Report" oa, WI" January 2015 La CrossLicense TRevision se Boiling WTerminationn 0 RESRADWater ReactorPlan D Input Parr ATTArameters for6-79 CHMENT r LACBWR6-2 R BFM Unceertainty Annalysis La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-80

La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-81

La CroLR

osse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-82

La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-83

La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-84

La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-85 La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-86

La CroLR osse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-87

La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-88

La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-89

La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-90 La CroLR

osse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-91 La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-92 La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-93 La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-94 La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-95 La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-96 La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-97 La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-98 La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-99 La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-100 La CroLRosse Boiling WaLicense TerminRevision 0 ater Reactor ation Plan 6-101 La CroLRNabcdLBTBBTUefgosse Boiling WaLicense TerminRevision 0 Notes: a P = physical, B = behab 1 = high-priority paramc D = deterministic, S =d Distributions StatisticaLognormal-n: 1= mean,Bounded lognormal-n: 1Truncated lognormal-n:Bounded normal: 1 = mBeta: 1 = minimum, 2 =Triangular: 1 = minimumUniform: 1 = minimum,e

Reference:

Haley and f ZionSolutions Technicg Argonne National Labater Reactor ation Plan avioral, M = metabolic;meter, 2 = medium-prio= stochastic al Parameters: 2 = standard deviation 1= mean, 2 = standard d 1= mean, 2 = standard mean, 2 = standard devia= maximum, 3 = P-valuem, 2 = mode, 3 = maxim, 2 = maximum e Sm-14Aldrich, Inc., "Hydrogecal Support Document boratory, "User's Manu (see NUREG/CR-6697ority parameter, 3 = low deviation, 3 = minimumdeviation, 3 = lower quation, 3 = minimum, 4 =e, 4 = Q-value mum 48 an ND-144 not listedeological Investigation 14-003, Conestoga Rovual for RESRAD Versio 7, Attachment B, Table w-priority parameter (see m, 4 = maximum uantile, 4 = upper quant= maximum d in RESRAD FGR 11 DReport La Crosse Boilvers & Associates (CRAn 6", ANL/EAD 4, July6-102 4.) e NUREG/CR-6697, At tile

DCF file ling Water Reactor, DaA) Report, "Zion Hydrogy 2001 ttachment B, Table 4.1)

iryland Power Cooperageologic Investigation R )

ative, Genoa, WI" JanuaReport" ary 2015 La CrossLicense TRevisionDose se Boiling WTerminationn 0 e ContributAggregWater ReactorPlant tion Percentgate Dose Pr ATTAtage for InitPercentage f6-103 CHMENT tial Suite Rafrom Insigni6-3 adionuclideificant Dose es and Detere Contributrmination oors f La CrosLicense Revision H-3 C-14 Fe-55 Ni-59 Co-60 Ni-63 Sr-90 Nb-94 Tc-99 Cs-137 Eu-152 Eu-154 Eu-155 Pu-238 Pu-239/240 Pu-241 Am-241 Am-243 Cm-243/244 Insignificancontributor dpercentage bon mixture Insignificancontributor dpercentage bon actual daInsignificancontributor dbased on actdata (mrem/ se Boiling WateTermination Pln 0 Somrem/yr 3.30E-09 2.41E-09 7.21E-09 9.98E-09 2.38E-02 2.12E-07 3.45E-05 1.02E-04 1.86E-06 3.77E-01 8.21E-04 7.61E-04 1.01E-05 2.14E-06

• 2.18E-06 2.07E-06 8.29E-06 5.21E-06 4* 4.11E-06 nt dose based nt dose based ata 2.60E-02 nt dose tual /yr) er Reactor lant oil DCGLs Dose Fraction 0.000% 0.000% 0.000% 0.000% 5.911% 0.000% 0.009% 0.025% 0.000% 93.653% 0.204% 0.189% 0.003% 0.001% 0.001% 0.001% 0.002% 0.001% 0.001% 0.427% 0.0004% Table 20Rx Bldg Groumrem/yr 3.14E-06 6.66E-05 6.96E-06 2.59E-06 5.79E-03 5.47E-05 4.45E-02 5.26E-06 1.54E-05 1.50E-01 1.06E-05 1.29E-05 1.14E-06 4.63E-04 4.77E-04 2.10E-04 7.07E-04 7.58E-05 2.26E-05 1.25E+01 0 from Referenundwater Dose Fraction m0.002% 50.033% 80.003% 70.001% 12.858% 10.027% 221.993% 10.003% 60.008% 474.095% 20.005% 50.006% 40.001% 90.229% 10.235% 10.104% 50.349% 20.037% 30.011% 2 1.054% 10.528% nce 5 ( TSD RS-Rx Bldg Drilling Spomrem/yr Dose F5.05E-12 0.008.23E-12 0.007.14E-12 0.001.43E-11 0.001.42E-03 5.372.82E-10 0.001.86E-06 0.006.57E-06 0.024.64E-11 0.002.48E-02 94.25.10E-05 0.194.66E-05 0.179.11E-07 0.001.56E-08 0.001.58E-08 0.005.05E-08 0.002.54E-07 0.003.74E-07 0.002.80E-07 0.00 0.401.63E+00 0.026-104-TD-313196-00oils Rx Fraction mrem/y00% 2.61E-000% 1.91E-000% 5.70E-000% 7.89E-074% 1.88E-000% 1.67E-007% 2.72E-025% 8.10E-000% 1.47E-0217% 2.98E-094% 6.48E-077% 6.02E-003% 7.97E-000% 1.69E-000% 1.73E-000% 1.64E-001% 6.56E-001% 4.14E-001% 3.25E-0 03% 1.97E+026% 01) - Dose ContBldg Excavation yr Dose Fraction09 0.000% 09 0.000% 09 0.000% 09 0.000% 02 5.903% 07 0.000% 05 0.009% 05 0.025% 06 0.000% 01 93.661% 04 0.204% 04 0.189% 06 0.003% 06 0.001% 06 0.001% 06 0.001% 06 0.002% 06 0.001% 06 0.001% 0.427% 01 0.336% ribution per RWTB Groun mrem/yr 1.11E-06 2.85E-05 4.91E-13 4.80E-06 7.91E-04 1.63E-05 2.58E-02 4.22E-06 3.62E-06 3.55E-02 3.31E-09 2.85E-11 4.49E-17 7.38E-05 8.75E-04 8.87E-05 5.09E-04 1.33E-04 9.42E-08 7.87E-01 ROC per Scenarundwater Dose Fraction 0.002% 0.045% 0.000% 0.008% 1.238% 0.026% 40.445% 0.007% 0.006% 55.598% 0.000% 0.000% 0.000% 0.115% 1.369% 0.139% 0.797% 0.208% 0.000% 2.179% 0.086% rio WTB Drilling Spomrem/yr Dose4.96E-11 0.8.10E-11 0.7.02E-11 0.1.41E-10 0.1.39E-02 5.2.78E-09 0.1.83E-05 0.6.46E-05 0.4.57E-10 0.2.44E-01 945.03E-04 0.4.59E-04 0.8.92E-06 0.1.53E-07 0.1.55E-07 0.4.95E-07 0.2.50E-06 0.3.67E-06 0.2.75E-06 0. 0.3.19E+00 0.oils We Fraction mrem.000% 3.45E.000% 2.52E.000% 7.52E.000% 1.05E376% 2.49E.000% 2.21E007% 3.60E.025% 1.07E.000% 1.95E.213% 3.95E+.194% 8.59E.177% 7.96E.003% 1.06E.000% 2.23E.000% 2.28E.000% 2.17E.001% 8.65E.001% 5.47E.001% 4.30E .404% 5.19E+.051% WTB Excavation m/yr Dose Fractio-08 0.000% -08 0.000% -08 0.000% -07 0.000% -01 5.908% -06 0.000% -04 0.009% -03 0.025% -05 0.000% +00 93.657% -03 0.204% -03 0.189% -04 0.003% -05 0.001% -05 0.001% -05 0.001% -05 0.002% -05 0.001% -05 0.001% 0.427% +01 0.886% on La CrosLicense Revision se Boiling WateTermination Pln 0 H-3 C-14 Fe-55 Ni-59 Co-60 Ni-63 Sr-90 Nb-94 Tc-99 Cs-137 Eu-152 Eu-154 Eu-155 Pu-238 Pu-239/240*

Pu-241 Am-241 Am-243 Cm-243/244* Insignificant contributor dosepercentage baseon mixture Insignificant contributor dosebased on actualdata (mrem/yr) Insignificant contributor dosepercentage baseon actual data er Reactor lant WGTV Gmrem/yr 4.24E-07 9.34E-06 0.00E+00 1.08E-06 1.43E-03 2.06E-06 9.70E-03 9.68E-07 1.81E-06 4.09E-02 7.64E-07 3.59E-07 3.79E-09 1.15E-04 1.99E-04 5.32E-05 2.41E-04 3.12E-05 3.17E-08 e ed e l 2.93E+00 e ed Table 20 frGroundwater Dose Fraction 0.001% 0.018% 0.000% 0.002% 2.712% 0.004% 18.424% 0.002% 0.003% 77.619% 0.001% 0.001% 0.000% 0.219% 0.378% 0.101% 0.457% 0.059% 0.000% 1.246% 70.146% om Reference 5WGTV Drilling Smrem/yr Do2.57E-11 4.19E-11 3.64E-11 7.27E-11 7.21E-03 1.43E-09 9.43E-06 3.34E-05 2.36E-10 1.26E-01 92.60E-04 2.38E-04 4.62E-06 7.92E-08 8.02E-08 2.57E-07 1.29E-06 1.90E-06 1.42E-06 7.45E+00 5 (TSD RS-TDSpoils ose Fraction mre0.000% 1.150.000% 8.420.000% 2.510.000% 3.495.380% 8.310.000% 7.400.007% 1.210.025% 3.570.000% 6.5194.210% 1.320.194% 2.870.177% 2.660.003% 3.520.000% 7.450.000% 7.610.000% 7.220.001% 2.890.001% 1.820.001% 1.44 0.403% 7.81E+0.120% 6-105-313196-001) (cWGTV Excavation em/yr Dose Frac5E-08 0.000%2E-09 0.000%1E-08 0.000%9E-08 0.000%1E-02 5.916%0E-07 0.000%1E-04 0.009%7E-04 0.025%1E-06 0.000%E+00 93.648%7E-03 0.204%6E-03 0.189%2E-05 0.003%5E-06 0.001%1E-06 0.001%2E-06 0.001%9E-05 0.002%2E-05 0.001%4E-05 0.001% 0.428%01 1.336% cont.) - Dose CRemainiGroction mrem/yr % 1.09E-06 % 2.75E-05 % 1.50E-14 % 7.57E-07 % 1.66E-04 % 2.11E-06 % 1.05E-02 % 6.73E-07 % 3.92E-06 % 4.51E-03 % 2.24E-10 % 1.21E-12 % 6.84E-19 % 8.99E-06 % 1.38E-04 % 2.07E-05 % 7.14E-05 % 2.06E-05 % 1.24E-07  % 1.25E+00 % ontribution peing Basements oundwater Dose Fraction 0.007% 0.177% 0.000% 0.005% 1.072% 0.014% 67.909% 0.004% 0.025% 29.109% 0.000% 0.000% 0.000% 0.058% 0.891% 0.134% 0.461% 0.133% 0.001% 1.910% 0.095% er ROC per SceRemaining BasemeSpoilsmrem/yr D5.66E-12 9.21E-12 8.02E-12 1.61E-11 1.59E-03 3.16E-10 2.09E-06 7.37E-06 5.21E-11 2.78E-02 5.73E-05 5.23E-05 1.02E-06 1.75E-08 1.77E-08 5.66E-08 2.85E-07 4.18E-07 3.14E-07 2.38E+00 enario nts Drilling RemaDose Fraction mr0.000% 5.70.000% 4.20.000% 1.20.000% 1.75.376% 4.10.000% 3.70.007% 6.00.025% 1.70.000% 3.294.213% 6.60.194% 1.40.177% 1.30.003% 1.70.000% 3.70.000% 3.80.000% 3.60.001% 1.40.001% 9.10.001% 7.1 0.403% 5.69E0.038% aining Basements Excavrem/yr Dose Fra78E-09 0.00023E-09 0.00026E-08 0.00075E-08 0.00018E-02 5.91171E-07 0.00004E-05 0.00979E-04 0.02526E-06 0.00062E-01 93.65444E-03 0.20433E-03 0.18977E-05 0.00375E-06 0.00182E-06 0.00164E-06 0.00145E-05 0.00214E-06 0.00119E-06 0.001 0.427E+01 0.972vation action 0% 0% 0% 0% 1% 0% 9% 5% 0% 4% 4% 9% 3% 1% 1% 1% 2% 1% 1% 7% 2%

La CrossLicense TRevisionTable 22Percent H-3C-14Fe-55Ni-59Co-6Ni-63Sr-90Nb-9Tc-99Cs-13Eu-15Eu-15Eu-15Pu-23Pu-239/Pu-24Am-24Am-24Cm-243 se Boiling WTerminationn 0 2 from ReferUsing the HWmr 1.54 2.25 1.99 6.20 7.23 1.80 2.54 2.39 1.237 3.552 2.154 1.455 2.938 5.9/240 7.241 5.341 4.843 7.8/244 5.4Dose BConce(mr2.3Water ReactorPlant rence 5 (TSHighest ActiWTB Groundwrem/yr F9E-07 21E-05 92E-13 28E-06 6E-04 83E-05 59E-02 40E-06 28E-06 52E-02 59E-09 47E-11 93E-17 98E-05 29E-04 3E-05 87E-04 84E-05 40E-08 Based on entrations InsCo%rem/yr) 6E+00 r SD RS-TD-3ivity Coreswater Dose Fraction 0.000% 0.035% 0.000% 0.010% 1.147% 0.029% 40.855% 0.004% 0.002% 55.694% 0.000% 0.000% 0.000% 0.095% 1.152% 0.084% 0.769% 0.124% 0.000% 2.304% significant ontributor Based on Dose DC0.218% 6-106 313196-001) WTB Drillmrem/yr 7.14E-12 6.28E-11 2.74E-11 1.85E-10 1.28E-02 3.11E-09 1.83E-05 3.51E-05 1.61E-10 2.42E-01 3.32E-04 2.37E-04 5.83E-06 1.24E-07 1.29E-07 2.98E-07 2.39E-06 2.17E-06 1.58E-06 Dose Based on Concentrations (mrem/yr) 9.52E+00 - Insignificling Spoils Dose Fraction 0.000% 0.000% 0.000% 0.000% 5.002% 0.000% 0.007% 0.014% 0.000% 94.749%0.130% 0.093% 0.002% 0.000% 0.000% 0.000% 0.001% 0.001% 0.001% 0.242% InsignificantContributor% Based onDose 0.092% cant ContribWTBmrem/y4.95E-01.96E-02.94E-01.37E-02.29E-02.48E-03.60E-05.81E-06.85E-03.92E+05.67E-04.12E-06.90E-01.81E-01.90E-01.30E-08.27E-03.23E-02.46E-0t r n Dose BasedConcentrat (mrem/y1.55E+0butor Dose B Excavationyr DosFract9 0.0008 0.0008 0.0007 0.00001 5.4996 0.00004 0.0094 0.0146 0.00000 94.2363 0.1373 0.0995 0.0025 0.0005 0.0005 0.0005 0.0025 0.0015 0.0010.256d on tions InsignifContrib% BaseDosyr) 02 1.587se ion 0% 0% 0% 0% 9% 0% 9% 4% 0% 6% 7% 9% 2% 0% 0% 0% 2% 1% 1% 6% ficant butor ed on se 7%

LLR La Crosse BoilinLicense TerminRevision 0 Table 2 H-3 C-14 Fe-55 Ni-59 Co-60 Ni-63 Sr-90 Nb-94 Tc-99 Cs-137 Eu-152 Eu-154 Eu-155 Pu-238 Pu-239/240 Pu-241 Am-241 Am-243 Cm-243/244 Insignificant Radionuclide Dose Percent ng Water Reactation Plant 24 from RefereBuried Pipe Groupmrem/yr D1.52E-13 2.68E-14 4.93E-14 6.83E-14 1.45E-07 1.45E-12 2.27E-10 6.52E-10 1.70E-12 2.44E-06 5.12E-09 4.73E-09 6.84E-11 1.46E-11 1.49E-11 1.01E-11 5.62E-11 3.52E-11 2.78E-11 or ence 5 ( TSD RSp Excavation Dose Fraction 0.000006% 0.000001% 0.000002% 0.000003% 5.588696% 0.000056% 0.008762% 0.025163% 0.000066% 93.988458% 0.197504% 0.182523% 0.002638% 0.000564% 0.000575% 0.000388% 0.002168% 0.001357% 0.001071% 0.414% S-TD-313196-0Buried Pipe Gromrem/yr D1.51E-12 3.59E-11 0.00E+00 9.23E-13 1.34E-09 1.72E-12 1.55E-08 8.23E-13 6.43E-12 3.42E-08 6.39E-13 3.00E-13 3.17E-15 9.65E-11 1.69E-10 5.95E-11 2.01E-10 2.62E-11 1.57E-13 6-107 001) Buried Pipoup InSitu Dose Fraction 0.002918% 0.069510% 0.000000% 0.001788% 2.592108% 0.003333% 30.046145% 0.001593% 0.012456% 66.198432% 0.001238% 0.000581% 0.000006% 0.186737% 0.327211% 0.115147% 0.389710% 0.050785% 0.000304% 1.163% ping Dose ContrCirc Water Pipe Emrem/yr D1.13E-13 2.67E-14 3.78E-14 5.24E-14 1.42E-07 1.11E-12 2.14E-10 6.41E-10 1.26E-12 2.40E-06 95.03E-09 4.65E-09 6.75E-11 1.12E-11 1.14E-11 8.31E-12 4.62E-11 3.38E-11 2.66E-11 ribution per RExcavation Dose Fraction 0.000004% 0.000001% 0.000001% 0.000002% 5.580068% 0.000044% 0.008401% 0.025160% 0.000049% 93.998448% 0.197405% 0.182371% 0.002648% 0.000440% 0.000449% 0.000326% 0.001813% 0.001324% 0.001043% 0.413% ROC per ScenarCirc Water Pipmrem/yr D4.53E-12 4.28E-11 0.00E+00 0.00E+00 2.48E-10 4.07E-13 1.31E-08 68.18E-13 2.06E-11 6.70E-09 36.45E-16 5.72E-18 9.61E-24 1.39E-11 1.69E-10 2.77E-11 9.53E-11 2.57E-11 1.58E-13 rio pe InSitu Dose Fraction 0.022182% 0.209552% 0.000000% 0.000000% 1.215574% 0.001991% 64.004473% 0.004008% 0.101008% 32.818795% 0.000003% 0.000000% 0.000000% 0.067971% 0.825476% 0.135521% 0.466862% 0.125811% 0.000774% 1.961%