Text

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
References
	Download: ML16200A093 (114)
	v • d • e

LA CROSSE BOILIN G WATER REACTOR LICENSE TERMINATION PLAN CHAPTER 6 COMPLIANCE WITH THE RADIOLOGICAL CRITERIA FOR LICENSE TERMINATION

La Cros s License T Revisio n 6.Co m 6.1.6.2.6.2.6.2.

6.2.

6.2.4 6.3.6.4.6.5.6.5.6 6 6.5.

6.5.

6.5.4 6.5.

6.5.

6.5.6.6.6.6.

6.6.6.7.6.7.

6.7.6.8.6.8.

6.8.

6.8.6.9.6.10.6.1 0 6 6

6 6 s e Boiling W Termination n 0 m pliance wit hSite Releas e General Sit e 1.Site G e 2.Site H y 3.Area L 4.Area GBasements, Future Lan d Dose Mode 1.Backfi l.5.1.1.BF M.5.1.2.BF M 2.Soil ....3.Buried 4.Existi n 5.Remai n 6.Dose S 7.Altern a Mixture Fr a 1.Potent i 2.Mixtur Soil Dose A 1.Soil S o 2.Soil E x Soil DCGL 1.Param e 2.RESR A 3.Soil D CSoil Deter mBasemen t 0.1.So u.10.1.1.R e.10.1.2.W.10.1.3.W.10.1.4.R e W ater Reacto r Plan h the Radio l e Criteri a ....e Descriptio n e ology.........

ydrogeolog yand Use .....

G roundwater Structures a d Use Scena r l Overview lled Baseme M Insitu Sc e M Excavati o...................

Piping .......

n g Groundw a n ing Above Summation fo a te Scenario s a ctions for I n i al Radionu c e Fractions f Assessment a ource Term .

x posure Pat hComputati o eter Selectio n AD Paramet e C GL Uncert m inistic Ana l t Fill Conce p urce Term ...

e actor Build i W aste Treatm W aste Gas Ta n emaining St r r TABLE O l ogical Crite r...................

.n ................

....................

.y ..................

....................

.Use ...........

.a nd Piping t o r io and Ave r...................

.nts ..............

.e nario .........

.on Scenario

....................

.a te r .............

.Ground Bui l for Complia n s .................

.n itial Suite R c lides of Co n for Initial S u and DCGL ..

....................

.h ways and C r o n Model -

R n Process ...

.e r Selection ainty Analy s l ysis and So i p tual Model

...................

.i ng .............

.ent Buildin g nk Vault .....

.r uctures ......

.6-i OF CONT E ria for Lice n...................

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.o Remain a ft rage Memb e...................

....................

.l dings.........

.n ce ..............

....................

.R adionuclid e n cern and In i u ite Radion u...................

....................

.r itical Grou p R ESRAD v 7...................

.for Uncerta i sis Results..

.il DCGLs ...

...................

....................

.g .................

....................

.E NTS nse Termina t...................

....................

.fter License T e r of the Cri t...................

....................

.e s ................

.itial Suite ...

.u clides ........

....................

.p .................

.7.0 ..............

....................

.inty Analys i...................

....................

.t ion ............

....................

.Terminatio n tical Group .

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.i s ................

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.n (End State

)...................

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.... 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 Cros s License T Revisio n 6.1 0 6.11.6.1 1 6 6 6

6 6.1 1 6.12.6.13.6.1 3 6.14.6.15.6.16.6.17.6.18.6.1 8 6.1 8 6.1 8 6.1 8 6.1 8 6.19.6.20.6.21. s e Boiling W Termination n 0 0.2.BF M BFM Ins i 1.1.BF M.11.1.1.B F.11.1.2.B F.11.1.3.B F.11.1.4.B F 1.2.BF M BFM Ex c Insignifi c 3.1.Ra d Concentr aAlternate BFM Ele v Soil Are a Buried P i 8.1.So u 8.2.Ex p 8.3.Bu r 8.4.Bu r 8.5.Bu r Existing GDemonst r Referenc e W ater Reacto r Plan M Exposur e itu Scenario M Insitu Gr o F M Insitu gw F M Insitu gw F M Insitu gw F M Insitu gw M Insitu Dr i c avation Sc e c ant Dose C o d ionuclides o a tions in Ex c Land Use S v ated Area C a Factors .....

i ping Dose A u rce Term a n p osure Scen a r ied Piping D r ied Pipe D C r ied Pipe R a G roundwat e rating Com p e s ...............

r e Pathways ..

....................

.o undwater SComputatio RESRAD URESRAD D Dose Facto r illing Spoils e nario ..........

.o ntributors a o f Concern a c avated Fill S cenario Do s C onsiderati o...................

.Assessment a n d Radionu c a rio and Cri t D ose Assess C GLs Initial a dionuclides e r Dose........

.p liance with

...................

.6-ii ...................

....................

.S cenario ......

.n Model .....

.Uncertainty A Deterministi c r s ................

.Scenario a n...................

.and Radionu a nd Adjuste d Material ....

.s e ................

.o ns ..............

....................

.and DCGL ..clide Mixtur e t ical Group

.ment ..........

.Suite .........

.of Concern

...................

.Dose Criter i...................

....................

.A nalysis for c Analysis a n...................

.n d DF Calc u...................

.uclides of C o d Soil DCG L...................

....................

.e .................

....................

.and Adjust e...................

.i on .............

....................

.Initial Suit e n d DSR Re s...................

.u lation .........

....................

.o ncern .........

.L s and BF M...................

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.ed DCGLs ..

....................

.e ..................

.s ults ............

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.M DFs ..........

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.. 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 Cros s License T Revisio n Table 6-1 Table 6-2 Table 6-3 Table 6-4 Table 6-5 Table 6-6 Table 6-7 Table 6-8 Table 6-9 Table 6-1 Table 6-1 Table 6-1 Table 6-1 Table 6-1 Table 6-1 Table 6-1 Table 6-1 Table 6-1 Table 6-1 Table 6-2 Table 6-2 Table 6-2 s e Boiling W Termination n 0 1Basem e End S t 2Buried 3Initial S 4Deter m used i n 5Deter m Kd pa r 6Soil D C for No n 7LACB W 8Deter m Uncer t 9Result s Select e 1 0BFM I n for Di s 1 1BFM I n for Di s 1 2BFM I n Distri b 1 3BFM I n Distri b 1 4BFM I n for Di s 1 5BFM I nRemai n 1 6BFM I n 1 7BFM I n 1 8BFM E 1 9Soil D C Dose F 2 0Reacto r Contri b 2 1WTB B Contri b 2 2WGT V Contri b W ater Reacto r Plan e nts and Be l tate Ground Piping to r e Suite of Pot e m inistic Val u n to calcula t m inistic para m rameters for C GL Uncert n-Nuclide S W R Soil D C m inistic Geo m t ainty Anal y s of RESRA D ed Determin i n situ gw Rx B stribution C o n situ gw Rx B stribution C o n situ gw WT B b ution Coef fi n situ gw WG T b ution Coef fi n situ gw Re m stribution C o n situ gw DS R n ing Struct u n situ gw Dos e n situ Drillin E xcavation D CGLs for R O F raction ......

r Building B b utor Dose F B FM DFs fo b utor Dose F V BFM DFs f b utor Dose F r LIST l ow Ground surface ele v emain in LA C e ntial Radio n u es selected f t e Soil DCG L m eter value s soil DCGL c ainty Resul t pecific Para m C GLs for Ini t m etry RES R y sis for the f D Uncertai n istic Param e B uilding abo v o efficients (K B uilding bel o o efficients (K B Uncertain t ficients (Kd)

.T V Uncerta i ficients (Kd)

.m aining Stru c o efficients (K R s for React o u res .............

.e Factors .....

.g Spoils Do s Dose Factors O C Adjuste d...................

.B FM DFs fo r F raction ......

.r ROC Adj u F raction ......

.f or ROC A d F raction ......

.6-iii OF TABL E Structures t o v ation is 63 9 CBWR End nuclides an d for Sensitiv e Ls ..............

.s selected fo r calculation .

.t and Deter m m eter Distri tial Suite R a RAD Parame five BFM In s nty Analysis e ters ............

.v e 619: Un c K d) .............

.o w 619 Unc e K d) .............

.t y Analysis R...................

.inty Analysi s...................

.ctures Uncer t K d) .............

.o r Building, W...................

....................

.se Factors ..

. ..................

.d for Insigni f...................

.r ROC Adju...................

.u sted for Ins i...................

.djusted for I n...................

.E S o Remain i n 9 feet AMS L State .........

.d Mixture F r e Kd param e...................

.r non-sensit i...................

.m inistic Val u i butions ......

.a dionuclide s eters used in s itu gw Confi gfor BFM In

...................

.certainty An a...................

.e rtainty An a...................

.Results for

...................

.s Results fo r...................

.rtainty Anal y...................

.WTB, WG T...................

....................

.ficant Cont r...................

.usted for Ins i...................

.ignificant

...................

.nsignificant

...................

.n LACBWR L .................

....................

.r actions ......

.e ters ...................

.i ve ...................

.u es selected

...................

.s .................

.the g urations ....

.situgw and

...................

.a lysis Resul t...................

....................

.r ...................

.y sis Results

...................

.TV, and ...................

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.r ibutor ...................

.i gnificant

...................

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. ...................

....................

. ...................

....................

.t s ...................

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. ...................

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.... 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 Cros s License T Revisio n Table 6-2 Table 6-2 Table 6-2 Table 6-2 Table 6-2 Table 6-2 Table 6-2 Table 6-3 Figure 6-Figure 6-Figure 6-Figure 6-Figure 6-Figure 6-Figure 6- 6-1 RE S 6-2 RE S 6-3 Dos Ag g s e Boiling W Termination n 0 2 3Remai n Insign i 2 4ROC a n 2 5Surfac e 2 6RESR A 2 7Buried 2 8Buried Radio n 2 9Summ e Insign i 3 0Groun d-1Site R e-2Site O v-3LACB W-4LACB W-5LACB W-6LACB W Elevat i-7RESR A SRAD Inpu t SRAD Inpu t e Contributi g regate Dos e W ater Reacto r Plan n ing Structu r i ficant Cont r nd Insignifi c e Soil Area F A D Source T Piping DC G Pipe DCG L nuclide Frac t ed Buried P i i ficant Radi o d water Exp o e gional Loc a v erview .......

W R Buildin g W R End St a W R End St a W R End St a ion View ....

AD Paramet e t Parameters t Parameters on Percenta g e Percentage r res BFM D F r ibutor Dos e c ant Radion u F actors .......

.Term Param e GLs .............

.L s for ROCs t ions ...........

.i pe DCGLs f o nuclide Fr a o sure Factor s LIST O a tion ............

....................

.g s ...............

.a te ...............

.a te - Backfil l a te - Backfil

...................

.e r Selection ATT A for LACB W for LACB W ge for Initia lfrom Insig n 6-iv F s for ROC A e Fraction ....

.uclide Mixt u...................

.e ters for Bu r...................

.Adjusted f o...................

.f or ROCs a d a ctions .........

.s..................

.O F FIGUR E...................

....................

.led Structur eled Reactor

...................

.Flow Chart

.ACHMEN T W R Soil DC G W R BRM U n l Suite Radi o nificant Dos e A djusted fo r...................

.ture Fractio n...................

.r ied Piping

...................

.o r Insignific

...................

.djusted for

...................

....................

.RES ...................

....................

.e s ................

.Building B a...................

....................

.T S G L Uncerta i ncertainty A o nuclides a n e Contributo r ...................

.n s ................

....................

.DCGL Cal c...................

.ant ...................

....................

.asement ...................

....................

.i nty Analysi Analysis .....

.nd Determin a o rs ...............

....................

.c ulations .....

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.s .................

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.a tion 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 Cros s License T Revisio n AF ALARA AMCG AMSL ANL BFM BFM In s BFM In s bgs DCGL DF DPC FRS G-3 GW HSA HTD ISFSI LACB W LSE LTP MARS A MARSS I MDA MDC NRC PRCC RESRA D ROC TEDE USACE WGTV WTB

s e Boiling W Termination n 0 Are a As L Av e Ab o Arg Bas e s itu gw BF M s itu ds BF M Bel o Der i Do s Dai r Fin a Ge n Gro His t Har d Ind e WR La C LA C Lic e A ME Mu l Ma n I M Mu l Mi n Mi n Nu c Par t D RE S Ra d Tot a U.S Wa s Wa s W ater Reacto r Plan LIST OF a Facto r L ow As Re a erage Memb e o ve Mean S e onne Natio n ement Fill M M Insitu Gr o M Insitu Dri l o w Ground S i ved Conce n s e Facto r ryland Pow e al Radiation n oa-3 undwate r torical Site A d-to-Detect e pendent Sp e C rosse Boili n CBWR Site ense Termin l ti-Agency R n ual l ti-Agency R nimum Dete c nimal Detect clear Regula t t ial Rank C o S idual RAD i d ionuclides o a l Effective D. Army Cor p s te Gas Tan k ste Treatme n r ACRONY M a sonable Ac h e r of the Cri e a Level n al Laborato r M odel o undwater l ling Spoils S urface ntration Gui d e r Cooperati v Survey Assessment e nt Fuel Sto r ng Water R e Enclosure ation Plan Radiation S u Radiation S u ctable Activ iable Conce n tory Commi orrelation C o ioactive ma t o f Concern D ose Equiv a ps of Engin e k Vault n t Building 6-v M S AND A B h ievable tical Group r y deline Level v e rage Install a e acto r u rvey and A s u rvey and Si t ity ntration ssion o efficient terials alent eers B BREVIA T l ation ssessment o f te Investigat TIONS f Materials a ion Manual a nd Equipm e e nt La Cros s License T Revisio n s e Boiling W Termination n 0 W ater Reacto r Plan r Page Inten t 6-vi t ionally Le ft ft Blank La Cros s License T Revisio n 6.CS 6.1.The site r criteria f R egulati oDos e resul t grou p wate rAs L o redu c Chapter Criterio nCriterio nG 6.2.This sec t site. La n descripti o Hydroge Coopera The LA C Village o to the n o the west 522), fiv east sho r shown i n Enclosu r 6.2.1.S LACB W of the C describe d and fluv i shales o f approxi m s e Boiling W Termination n 0 C omplian cite Release r elease crite r f or unrestric o ns (10 CF R Criterion:

T t s in a Total p that does n r; an d o w As Reas o c ed to levels 4 describes

n. This Ch a n. General Site t ion provid e n d and gro u on of site ological In v tive, Genoa CBWR facil i o f Genoa (p o orthwest) is R shore of t h e miles sou t re, is an uni n n Figure 6-2 r e (LSE) fen c ite Geolo gy WR is locate d C entral Lo w d as approxi i al deposits

.f the Dres h m ately 650 f e W ater Reacto r Plan ce with th eCriteria ria for the Lted release R 20.1402):

T he residual Effective D n ot exceed 2 5 o nably Ach i that are ALthe metho d a pter descri b Descriptio n e s a general u ndwater us geology a vestigation R Wisconsin (i ty is locate d o pulation a b R eno, Minn h e Mississip t hwest of th e ncorporated 2, with a m c e shown in y d on the east land Physi omately 15 f

e. These unc h bach Grou p eet below th e r e Radiolo g a Crosse B ospecified i nradioactivit y ose Equival e 5 mrem/yr, i i evable (AL AARA. d s and resu l bes the me t n description e in the vi a nd hydro g Report, La 1). d 17 miles s o b out 800) (s eesota, an u npi River. T h e plant. Vi c hamlet of a more detaile Figure 6-3.

bank of the o graphic Pr o e et of hydra u onsolidated p and by d e e ground su r 6-1 g ical Crit e oiling Water n Title 10, S y that is dist ent (TEDE) i ncluding th a A RA) Crite r lts for dem o t hods for d e of the geol o c inity of si t g eology is Crosse Bo i o uth of the C e e Figure 6-nincorporate d he nearest c ctory, Wisco n a bout 80 pe o d view of t Mississipp i ovince. The ulic fill ove r deposits ar e e nse Preca m r face (bgs).

e ria for Li cReactor (L A S ection 20.1 4 t inguishable to an avera g at from gro u rion: The re s o nstrating c o emonstratin g o gy and hy d te are also provided i n iling Water City of La C1). The ne a d hamlet of community i nsin, five m ople. The L A the facilitie s i River in th elocal geol o r lying 100 t oe underlain m brian crys t cense Ter A CBWR) ar e 4 02, of the from backg r ge member o undwater so u s idual radio a ompliance w g complian c d rogeology described.

n Haley &Reactor, D C rosse and a a rest comm u about 300 p i n Iowa is N m iles south o A CBWR lic es inside th e e Wisconsi n o gy of the o 130 feet o by flat lyi n talline rock s mination e the radiol oCode of F e r ound radia t of the critic a u rces of dri n a ctivity has b w ith the A L ce with the at the LAC B A detaile d& Aldrich, D airyland Pmile south o u nity (three m people locat e N ew Albin f the plant o e nse d site a r e LACBW R n Driftless s esite is gen e f glacial ou t ng sandston e s encounter o gical e deral t ion a l n king b een L ARA Dose BWR d site Inc., Power of the miles ed on (pop. o n the rea is R Site ection erally t wash e and ed at La Cros s License T Revisio n The pri m0 to 2 b gs a20 to thick n30 to grav e100 t115 t 6.2.2.S Regiona l it is like l the surf a ground w influenc e 6.2.3.A The LA C the Mis s b ounded Enginee r The 163.the 1the G and i locat ean ar e (ISF San a pfrom the l a oil) fu was ha par c The are a and fres h to the G-s e Boiling W Termination n 0 m ary soil typ e 2 0 feet bgs.

H a nd describe d 30 feet bgs

.n ess of 7 to 100 feet bg el below the o 115 feet b o 135 feet b ite H y dro ge lly, ground w l y that the g r a ce water.

G w ater flow a n e d by the riv A rea Land U C BWR facil i s issippi Riv e by the Mi r s (USACE) 5 acre site i s.5 acre LA C Genoa-3 (G-3 s owned an d ed to the so u e a south of G SI) is locate d pproximatel y past operat i a nd north of fueled powe r h ing area (an c el of land t o a of the Mis s h water fish i 3 station lo c W ater Reacto r Plan e s encounte r H ydraulic F i d as light br

o. Brown to g28 feet, s. Brown, fi n finer sands, gs. Brown f i gs. Brown f i e olo gy w ate r flows f r oundwater f G roundwate r n d also sho wer stage.

U se ity is locate d e r. Althou g ssissippi Ri property to s comprised CBWR facili t 3) coal-fired d operated b y uth, adjacen t G-3 where t h d , y 36 acre ar e ions, the LACB W r plant (rem oapproxima t o the east o f s issippi Riv e i ng) and co m c ated south o r r ed at the sit e i ll - Fill san d o wn to bro w g rey, fine to m ne to mediu m i ne to medi u i ne to medi u from the blu flow directi o r elevation w s seasonal v d in the far w gh the site aver to the wthe north, a nof the follo w ty, , 379 MWe e y Dairyland t to LACB W h e LACBW R ea surroundi n W R plant wa o ved in 198 9 ely 900 m 2 c f Highway 3 5 er adjacent t mmercial ba r of the LAC B 6-2 e are: d s are enco u w n, fine to m medium fin e m sands tha t um sand and um sand wit hff towards t h on turns "d o dat a from e v ariation on u w estern porti a rea is 163.

west, a rail nd a wildlif e wing: e lectric po w Power Coo p WR, R Independ e n g the ISFS I s the site of

9) which no w c oal ash lan d 5, across fr o to the site i s r ge and ship B WR plant).

u ntered fro m medium sand s e sands und e t also have zfine to med i h trace silt, o h e Mississi p ownstream" a e ight onsite upward and i on of Vern o 5 acres, it iline to th e e and fish re f wer station t h perative (D P e nt Spent F u I containing the former G w includes t h dfill is also p om LACBW R s used for r e p traffic (e.g

. There is a p m approxima t s with occas i erlie the fill, z ones of coa rium gravels

, o ccasional z o p pi River. C l a s groundw a e wells agr e downward g o n County o n is relativel y e east, U.S.

f uge to the s h at was com p P C). The G-uel Storage I nthe closed c G enoa-1 (G-he site switc h present),

R. e creational

p. barges of c p ublic boat l t ely 0 to 20 f i onal fine g rwith an ave r se sand an d , o nes of gra v l oser to the a ter dischar g e es with re g gradients th a n the east b a y isolated a sArmy Cor p outh. p leted in 19 6 3 station is n stallation c oal ash lan d-1) coal (an d h yard and ba p urposes (b o c oal are deli v l anding on t h f eet ravel, rage d fine vel. river, g es to gional at are a nk of s it is p s of 6 9 dfill d later a rge oating v e r ed h e La Cros s License T Revisio n site, loc a Mississi p for hunti n National Lock an d north of operated from da wmaintain LACB W The clos no resid e 6.2.4.A There ar e in 1963 t LSE and to the G-Highwa yB 6.3.The con f b uilding s All but t correspo n that will

The belo 1 and sh o basemen t water ta b one foot As seen outside oadjacent land are a Chapter s areas ou t The stru c basemen t will be r structure liner wil l s e Boiling W Termination n 0 a ted approxi m ppi River N a n g, fishing aFish Hatch e d Dam No. 8 the site. T h by the US A w n to dusk s a highw a WR site, acro s est town is G ences within A rea Groun d e two water t o 129 feet are still in u 3 plant. Re g y 35. B asements, S figuration o s at the time t wo LACB W nds to an e lremain int a w ground p o own in Figu r t below 636 b le elevatio n below the a v in Figure 6

-o f the LSE b open land a a s and buil d 2 and 5 fo r tside of the L ctures to be t s, isolated s removed. Ts in this LT P l remain; all W ater Reacto r Plan m ately 4,00 0 ational Wild l a nd recreati o e ry. 8 , located o n h e dam is a ACE. This f a during the a y wayside ss from Loc k Genoa, loca t 2,000 feet o dwater Use supply wel l and 116 fe e u se as potab l gionally, the r S tructures af the remai nof license t e W R b uildin g l evation of 6 a ct are the L o rtions of th e res 6-4 and 6 foot elevat i n. Note that v erage wate r-2, there are b ut within t h areas were n d ings outsi d r additional d L SE. backfilled w s umps and r T he backfil l P Chapter. interior co n r 0 feet south o life & Fish R onal activiti e n the Missis s 110 feet wi d a cility also a lmonths of Aoff State H k and Dam N t ed approxi m o f any LAC B ls on the sit e e t bgs, resp e le water for L re are five d o a nd Pipin g t ning b ackfi l ermination i s gs will be d 6 36 foot A v LACBWR A e b uildings t 6-5. Figure i on which is there are al s r table elev anumerous b he LACBW R ot used to s u d e of the L S discussion a n w ill be co memaining p o led structur e For the Re a crete and th e 6-3 of the plant.

R efuge just s e s. Further s o s ippi River a d e, 600 feet l lows publi c April throu g Highway 3 5 N o. 8. mately 1 mi l BWR struct u e (Deep We l ectively. Bo t LACBWR. S omestic wel l t o Remain a lled baseme n s designate demolished t v erage Mea n Administrati o to be demol i 6-6 provid e the only ba s o three ver y ation. b uildings as s R licensed b u pport LA C S E fence ar e nd justificat m prised of c o o rtions of fo e s are gene r actor Buildi n e steel liner There is a p s outh of the outh are pu b at mile 679.

2 long lock a c access to a gh Novemb e 5 approxi m l e to the no r ure. l l 3 and De e t h wells are S eparate gr o ls south of t h a fter Licen s n ts, b uried d as the "En d to at least t h n Sea Level on Building i shed and b a e s a cross-se c sement wit h y small su m s ociated wi t b oundary. H CBWR oper a e designate d t ion of the n o o ncrete onl y o undations.

rally referre n g, only the will be rem o p ortion (Po o site which h blic land are 2 , is approx i a nd dam str u a n observati o e r. The St a m ately 1/2 m i rtheast of t h ep Well 4) t hlocated up g oundwate r w h e LACBW s e Termina t piping, ope n d State."

h ree feet be l(AMSL). T and LACB a ckfilled are c tion of the h a portion b mps with flo o t h the G-3 c H owever, th e a tions. The d as non-im p on-impacte d y and inclu dAll systems e d to as eit h concrete ex o ve d. All r e o l 9) of the U has limited a as and the G imately 0.6 m u cture owne d on platform, ate of Wisc ile north o he site. The r hat were ins t gradient fro m w ells supply w R site and e a t ion (End S t n land area s l ow grade w T he two b uil WR Crib H listed in Ta b Reactor Bu i b elow the av ors that ext e oal plant th a ese buildingmajority of p acted. See d classificati de full and p and compo her baseme nterior to the emaining U pper a ccess G enoa miles d and open onsin f the re are talled m the w ater ast of t ate) s and w hich dings House. ble 6-ilding erage e nd to at are s and f open LTP i on of p artial nents n ts or steel La Cros s License T Revisio n Table 6-Basem e Reacto r Waste T Waste G Remai nconcrete criteria.

For the Treatme n designat e assessm eRemaini n a unique low pot e steel lin e In additi Reactor B and nee d inappro premain i sthe relat iWGTV wRemaini n As seen relativel yare very separate l s e Boiling W Termination n 0 1 Base m Grou e nt/Structur e r Building Treatment B u G as Tank V a n ing Structu rPiping and V Tunnels Reactor/Gen eChimney Sl a Turbine Su m Turbine Pit will be de c purpose of nt Building (e d as the "

R e nt and Fin a n g Structur e configurati o ential for co n er is remove d o n, the FR S B uilding.

T ds to be a d riately ave r s not partic u i vely higher w as evaluat e n g Structure in Table 6

-y low conta m small in si z l y does not p W ater Reacto r Plan m ents and B nd surface e e uilding ault r es V entilation e rator Plan t a b m p contaminate dose asses s (WTB), an d R emaining S al Radiatio n e s. There ar e on, includi n ntaining sig n d. This lead s S design ca n T he WTB h a ddressed se p raged with t u larly cond ucontamina t e d separatel y s, which re q-1, the Rem a mination po t ze. Treating provide a m e r Below Grou elevation is Mater i remai n Co n Co n Co n Co n Co n Co n Co n Co n d as neces s sment, the b d Waste Gas Structures".

T n Survey (F e several rea s ng a portion nificant res i s to unique d n effectivel y a s the highe s p arately to t he other s t ucive to an e ion potenti a y because th quires differ e a ining Stru c tential. Two each of th e e aningful di s 6-4 n d Structu r 639 feet A M i al ning F l S u ncrete ncrete ncrete ncrete ncrete ncrete ncrete ncrete sary to mee t basements oTank Vault This create s F RS) design s ons for thi sbelow the a dual radioa c d ose assess m y accommo d st contamin aensure tha t t ructures. T h efficient FR S al this loss oe floor is at e nt modelin g c tures consi s of the struc t e basement s stinction in d r es to Rem a M SL loor and W a urface Area511.5 4101.9 0460.0 4 177.0 7359.5 9117.8 6 5.64 7.09 t the 10 C F o ther than t h t (WGTV) a r s four separ a; Reactor B s organizati o a verage wat e ctivity after m ent assum p d ate a surve y a tion potent i t the sourc e he small si z S design an of efficienc ya lower ele v g parameter s s t of a gro u tures, the T u s in the "R e d ose modeli n a in in LAC B a ll (m 2) F l (f 4 0 4 7 9 6 F R 20.1402 he Reactor r e grouped i ate areas to Building, W on. The Rea c er table ele vall interior p tions and F R y unit consi i al of all En d e term in t z e of the Wd impleme n y is conside r vation than t s. u p of struct u urbine Sum p emaining St r n g due to th e B WR End S l oor Elevati o f eet AMSL)612 630 621 629 629 635 618 618 unrestricte d Building, W i nto one cat econsider in TB, WGT V ctor Buildi n v ation and a concrete a n R S classific a sting of on l d State stru c the WTB i s W TB struct u ntation but d red justified the WTB a n u res that all p and Turbi n ructure" cat e e ir generall y S tate o n d use W aste e gory dose V and ng has a very n d the ation. l y the ctures s not u re to d ue to . The n d the have ne Pit, e gory y La Cros s License T Revisio nsimilar e would r e LTP Ch a The En d associat e Circulati ncirculati n piping is that pen e tunnel t o penetrati End Stat eAdmini spiping, l High Pr e to G-3 Well w aStorm WRemain i The pot e on the fi n La Cros sextensiv e subsurfa c monitori n collecte d plant-de r b e perf o exposed. s e Boiling W Termination n 0 elevations a n esult in unn e a pter 5 for d i d State wil l ed with cont a ng Water D n g water di s defined as etrates walls o contain al lons. There i e is listed in Tabl e D e s tration Buil d l each field la t e ssure Servi c ater piping fo r Water Piping ing portion o f ential for sig n dings of th e s e Boiling e characteri z c e soil co n n g results d d under the T r ived radion urmed after W ater Reacto r Plan nd contami n ecessary co m iscussion of also inclu d aminated o p Discharge pi p scharge. Fo r t hat containand is emb e l systems pi ps no embed d Table 6-2.

e 6-2 B u escription of P ding Sanitary terals, and ta n c e Water fro m r Well #3 f Circulating nificant sur f e EnergySo lWater Rea c z ation perf o n tamination own gradie n T urbine Bu i u clides abo v the Turbin e r n ation pote n m plexity in F the FRS pr o de a limite d perational sy p e which w r the purpo sed in soil.

T e dded in co n ping that r a d ed piping p r u ried Pipin g P iping System incl u nks m LACBWR C Water Disch a f ace or subs u l utions Tech n c to r Histori c ormed in 2 0under the nt of suspec t ilding in th e ve backgro u e Building 6-5 n tial. Treati n F RS design, o cess. d number ostems. The e w as used as se of this L T ypical com m n crete. The d a n between b r esent. The b g to remain uding drain C rib House arge Pipe u rface soil c n ical Suppo r cal Site As s 0 14 (see L T Turbine B u t ed broken d e vicinity o f u nd. Full ch a foundation n g the Re mimplement a of buried p e xception is for liquid e License Ter m m ercial po w d esign of th b uildings w h b uried pipi n in LACB W 10 4 2 7 9 4 70 93 8 3 5 2 contaminati ort Documen t sessment (H T P Chapter 2 u ilding bas e drain lines.

f the suspec t aracterizatio is remove d m aining Str u a tion and doipes, with t the remain i e ffluent dis c m ination Pl a wer plants al s e LACBW R hich elimin a ng to remain WR End Sta t Quantit 4' of 4"Sche d57' of 2" P 2500 gal sept i 750 gal dosi n 4 gal distribut8' perforated 144' 4" P V50' of 6"222' of 8511' of 395' of 2"8' of 48" con c steel grates a100' of 10" 25' of 60" st e o n at LACB W t (TSD) RS

-HSA) (2) a n2). There a e d on posi t However, g t drain line s o n of the su b d and the u n u ctures sepa rcumentatio n t he majorit y i ng portion o c harge as w e an (LTP), b s o contain p R plant incl u ated the ne ein the LAC B t e y d. 40 PVC P VC i c tank ng tank ion tank 4" PVC V C " 8" 3" " c rete pipe a t grade PVC e el pipe WR is low b-TD-31319 6 nd the resu l are indicatio n t ive ground w g eoprobe sa m s did not id e bsurface soi l n derlying s o rately n. See y not of the e ll as b uried piping u des a ed for BWR b ased 6-003, l ts of n s of w ater m ples e ntify l will o il is La Cros s License T Revisio n Low co n b roken f located d concentr a characte r levels th a of groun dF 6.4.The "R e Consoli d R adiolo g the next DPC fir s 1949 an were ac qtotal are a The G-1 LACB W in 1987.

operatio nmeet cur projecte d Resident as it is b

the nort h that wou the pres e foreseea b property In sum m plans to infrastru c 25 years Finally, t develop the DPC plausibl e discussi o LACB W s e Boiling W Termination n 0 ncentrations o f loor drains d own gradi a tions. In la rization an d an found in d water sam p F uture Lan d e asonably F o d ated Deco m gical Criteri a 100 years.

T s t acquired l aadditional 1 q uired in 19 6 a owned or c plant beg a W R construct i DPC's th i n as a major r ent enviro n d remaining i al use of th e o unded by t h, and a wildld be more s e nce of ove r b le future re to recreatio n m ary, the D P change the l cture to sup

p. Adjacent l there are lar gfor resident isite from i n e" in accor d o n of futur e W R dose asse W ater Reacto r Plan o f groundw a under the T ent of the t e 2012, fiv e d license te r 1983, pred o pling results

.d Use Scena r oreseeable S m missioning a (NUREG-T he Reasona b a nd at the s i 8.6 acres w e 62. Finally, a c ontrolled b y an operatio n i on began i n i rd plant o n generation nmental stan o peration li f e site over t h t he Mississi p l ife and fish suitable to a d r 36 acres o fsidential de v n al use at so P C site has b land use in t port the site sand, and a p g e tracts of l ial use with i ndustrial use dance with land use, ssment is th e r ater contami n T urbine Bui lTurbine B u e additional rmination.

R ominantly H

. r io and Av e Scenario", i s Guidance 1757), (3), T b ly Foresee a i te in 1941t o ere acquire d an addition a y DPC was t h n in 1941 a n 1963, was nsite, G-3, bresource to dards and i s f e of G-3 is p h e next 100 ppi River to refuge to t h d ditional re s f closed coa l velopment.

Bme point in been in con t the future.

T s future use f part of the D land nearby i n at least t

h. Residentia NUREG-1 7 t he Averag e e Industrial W 6-6 n ation have lding. Gro u uilding ide nmonitoring Results indi c-3. See LT P e ra g e Mem b s defined i n- Characte r T able 5.1 a s able Scenari o o build its f i d for G-1 co a al 26.8 acres h en, and co n a nd was de c completed i b egan com m the DPC sy s s currently p p rojected to years appe athe west, a he south. Th e sidential de v l ash landfi l B ased on su rthe distant fu t inuous ind u The site con t f or power s u DPC site is c that would b h e next 100 l land use i s 7 57, Table e Member o W orker. been identi f undwater sa m n tified cont a well pairs w cated lower P Chapter 2, b er of the C n NUREG-1 r ization, S u s a land use o for LACB irst coal-fir eal ash disp owas filled b ntinues to b e commission e i n1967, and m ercial oper a s tem. The Gerforming abe 20-25 y e a rs unlikely. rail line to t ere are seve r velopment t h lls further s u r rounding l a future is mo r u strial use f o t ains a tran s u pply after G currently us be preferab lyear time p s therefore c

5.1 definit

i o f the Criti f ied adjacen t m pling in 1 amination a were install e groundwat e section 2.3

.Critical Gro u 1 757, Volu m urvey, and Dscenario th a WR is indu s e d generatio n o sal. An add i b y dredging e , 163.5 acr e e d and dis mwas perma n a tion in 19 6 G-3 plant ha s a major turb i e ars. The site is r t he east, U S ral small co m han the DP C u pports the a a nd use, the c re likely tha n o r 74 years smission sta t G-3 is deco med for recr e le, and mor e p erio d than tategorized a ions. Bas e cal Group (t to the sus p983 from a at relativel y e d to suppo r er contami n.7 for a su m u p me 2, Revis i Determinati o at is likely w strial use.

n station, G

-itional 80.8 in 1962-63.

es. m antled in n ently shut d 6 9 and con t s been upda t i ne overhau l relatively is o S ACE prope r mmunities n e C site. In ad d a ssumption c onversion o n residential and DPC h a t ion and val u mmissioned i e ational pur p e cost-effect i the conversi a s "less like l e d on the a (AMCG) f o pected a well y low r t site n ation mmary i on 1 o n of within -1. In acres The 1989. down t inues ted to l. The o lated r ty to e arby dition, of no of the use. a s no uable i n 20-poses. i ve to on of l y but a bove o r the La Cros s License T Revisio nD 6.5.Dose m olicense t25 mre m model a n There ar eas follo w ground w very lo wmajority concrete currentl ythe rema iremain wcontami n ground w summed An over v descripti o 6.5.1.B The dos e designat e residual r The b as ealtered t o The BF M the conc r Excavati The res umrem/yr group. It

portion r conserv a 6.5.1.1.The BF M residual material installati o Ground w Spoils (B s e Boiling W Termination n 0 D ose Model odeling is p e e rmination w m/yr criterio n nd computat i e fou r pote n w s for the p w ater. The i n w potential o of residual of backfill e y present at t i ning portio n w as not asso c n ation. The w ater exposu r as applicab l v iew of the o ns and res u Backfilled B a e model for e d as the Ba s radioactivit y ement End S o a conditio n M conceptu a rete remain son geometr y u lts of the Bper mCi to t cannot be r r emain in t h atively inclu d BFM M Insitu geo mradioactivit yand 2) exp o o n of an on s w ater (BFM BFM Insitu ds W ater Reacto r Plan Overview erformed to w ill not res

n. This secti o i on al metho d n tial sources purpose of d n tact LAC B o f containi nradioactivi t ed basemen t t he LACB W n of the Cir c ciated with cpotential f o r e factors w le to demon s dose assess m u lts are prov i a sements backfilled b s ement Fill M y remaining i State will b e n that woul d al model inc l s in the "as-y where so m B FM dose tal activity f r uled out th a h e groun d. de the sum o Insitu Scen a m etry inclu d y as a resul t o sure to dri l s ite water s u Insitu gw). T). r demonstrat eult in a do s o n provides ds for dose a of residual dose model i BWR Admi n n g significa n ty to remai n t s. There is W R site or wi culating Wa t contaminate d o r significa n w ere calcula t strate compl i ment metho d ided in secti o basements t o M odel (BF M i n the base m e comprised d not realist i l udes two s o left" config u m e or all of t hassessment s f o r each of a t a portion o Therefore, of the BFM I ario d es two exp o t of leachin g lling spoils u pply well.

T T he drilling 6-7 e that resid u se to the A M a general o v assessment. radioactivit y i ng; backfil l nistration B u nt levels of n at the ti m no indicati oll be presen t t er Discharg e d systems a n n t groundw a ted. The do s i ance with t h d s for the f o ons 6.7 to 6

.o remain bel o M). The BF M m ents. of b ackfill e ically allow ource term g u ration at t h h e concrete i s are expre s the three b of the backf ithe final d o I nsitu and B F o sure scenar i g from the bthat are br o T he well w aspoils scen a ual radioacti v M CG (indu s v erview of t h y in the En dled baseme n uilding will residual ra d me of licens e o n that sig n t in the End e Pipe, the l i n d is expect e a ter contam i s e from eac h he 25 mrem/o u r sources .17. o w 636 foo t M calculate s e d concrete sthe remaini n geometries; 1 he time of li is excavated ssed as Do s asements a n filled structu r ose for de m F M Excava t ios; 1) expo b ackfilled c ought to the ater scenario a rio is desig n v ity remainistrial work e h e LACBW d State that n ts, soil, b ualso remai n dioactivity, e terminati o nificant soil State. Wit h imited buri e e d to contai n ination is a l h of the fo u/yr dose crit e is provided t elevation (s the dose to structures t h n g structure1) the Insit ucense termi n and brough t s e Factors (nd the Rem a r es could b e monstrating t ion dose.

sure to well oncrete sur f surface du r is designat e nated as BF M ng at the ti m e r) exceedi n R site conc e were categ o u ried piping n intact but if any. Th e o n will be i ncontaminat i h the except i e d piping th a n minimal, i f lso very lo w u r sources w erion. below. De t (see Table 6 the AMCG hat are phys i s to be occ u u geometry w n ation and 2 t to the surf a (DF) in un i a ining Stru c e excavated complianc e water cont a faces into t h ring the ass u e d as BFM I M Insitu D r m e of n g the e ptual orized , and has a e vast n the i on is i on of a t will f any, w but will be tailed -1) is from i c a lly upied. w here 2) the a ce. its of ctures and a e will aining h e fill umed I nsitu rilling La Cros s License T Revisio n The con c floors a n with the radioacti v release o water su p and flo w a clean c direct e x pathway The BF M are brou gterminat i The res iinstallati o brought t pathway s The BF M (RESR A spreadsh assessm e basemen t at the ti m for each with the 6.5.1.2.The BF M excavate conserv a credit fo rassumed which is contami n Excavati mrem/yr the aver a are not e x BFM E x"Remai n s e Boiling W Termination n 0 ceptual mo d n d walls is r concrete s vity is rele a o ccu r s imm e p ply well is w to the well c over of at l x posure and to the indus M Insitu ds sc e ght to the s u ion, before a i dual radio a on is assu m t o the grou n s are the sa m M Insitu gw d A D) v7.0 meet calculat i e nts are exp r t (and the R e m e of licens e Radionucli d 25 mrem/yr BFM M Excavati o d and spre atism, the ex c r radioactiv eto inadvert econsistent w n ation. Th e on DFs that per total m a ge concent r x ceede d. x cavation D F n ing Structu r W ater Reacto r Plan d el for the B e leased to a s urfaces aft e ased instantl e diately afte rassumed to is conserva t least 3 feet i soil ingesti o trial worker enario assu m u rface. The a ny leaching activity in t ed to be in a nd surface, a m e as those t h d ose assess m model. The i ons couple d r essed as D F emaining St e terminatio n d e of Conce r dose criteri o Excavation o n scenario a ad on the cavation is a e decay. Th e ntly mix w w ith the gu i e calculatio n are express eCi. The fu n ration in the F s were cal c r es" consiste n r B FM Insitu g w adjacent fill er backfill.

y into the fi r license te r be installe d tively mode l is present o v o n/inhalatio n AMCG is d mes that the d well install a from concr e t he floor c o advertently m a nd spread o h at apply to ment is impl e BFM Insit u d with RES R Fs in units oructures) (s e n , as determ i r n (ROC), a n o n. Scenario assumes th a ground sur assumed to o e residual r a with the ma s i dance in N U n is perfor m e d in the sa m ndamental dexcavated c c ulated sep a nt with the B 6-8 w scenario a through lea c The scena r fi ll which is rmination ta k d adjacent t o led assumin g v er potentia l n is negligi b d rinking wat e d rilling spo i a tion is ass u e te occurs a n oncrete tha t m ixed with t ver a 15 c mcontaminat e emented usi n u ds dose as RAD model i of mrem/y r e e Table 6-1 i ned by the F nd summed at some or a face at so m occur imme d adioactivity s s of struct u U REG-175 7 med using E m e units as t driver of the concrete is l i arately for t h B FM Insitu D assumes tha t c hing into w rio assumes then treate d k ing no cre d o the down g g that struct u lly contami n ble or zero.

er from the o i ls from the i umed to oc c n d taking n o t is contac tthe fill mat e m thick laye r ed surface s o ng the RESsessment i s ing. The re sper mCi to t). The inve n F RS, will b e as necessar y all of the ba c me time af t diately after remaining i n ural concret e 7 , Appendix E xcel spre a the DFs for t BFM Exca v imited such t h e Reactor B D F calculat i t the residu a w ater that c o that 100%d as conta m d it for radi o gradient ed g ures are not n ated surfa c The BFM I onsite well. installation o c ur immedi a o credit for r a t ed by the e rial above t r. The BFM o il. idual RADi s impleme n s ults of the tal activity i ntory of resi d e multiplied y, to demon s ckfilled str u t er license license ter m n the backfi e removed dJ, for addr e a dsheet and t he BFM In s vation DF c t hat the sur f Building, W i ons. a l radioactiv i omes into c o% of the re s minated soil.

o active deca y g e of the bu i present. Be c ces the dose I nsitu gw exp of the onsit e ately after li c adioactive d borehole d t he floor su r Insitu ds expoactive mat n ted using E BFM Insitu nventory in d ual radioa c by the BF M strate comp l u cture concr etermination mination taki n lled baseme during exca v essing subs uresults in s itu scenari o c alculation i s face soils D C W TB, WGT V ity in o ntact s idual The y. A ilding c ause from osure e well cense decay. during rface, osure erials E xcel dose each ctivity M DFs l iance e te is . For n g no nts is v ation urface BFM o , i.e., s that C GLs V , and La Cros s License T Revisio n 6.5.2.S Derived C radioacti v used to p For con s containe dcm wou lcontami n modelin g Using a contami n potential

a clean s o In the u during F discover eCommis s Standar d with gui d 6.5.3.BWith th e piping t ocontami n conduct e The con c two sce ninternal s layer of s the soil mthe pipe e2.54 cm transpor t Dischar gassumes layer of s and Exc a scenario s in units o s e Boiling W Termination n 0 oil C oncentrati o vity in surf a perform the c servatism, a d in a 1 m d e l d result in n ation is id e g may be re1 m thic k n ation with for subsur fa o il layer ov e unlikely eve n F SS that a r ed geometri e s ion (NRC) w d methods f o dance in N U B uried Pipi n e exception o o remain a n ation pote n e d to develo p ceptual mod narios: Insit u s urfaces of t soil in an ar e m ixing laye r excavation. layer of soi t and migrat i ge Pipe whi that the pi p s oil on the g a vated soil

s. RESRAD of dpm/100 c W ater Reacto r Plan o n Guidelin e a ce soils th a c alculation.

a nd to opti m epth from t h lower dose entified at L quire d if th e k ness redu c a thicknes s face contami n er a contami n n t that geo m r e not bou n es will be a d w ill be noti f or RESRAD U REG-1757.

ng o f the porti o a t LACBW R ntial is min i p DCGLs fo r e l for the b u u and Exca v t he pipe is a ea equal to t h r is 15 cm d The Insitu s c l with no c r ion. This is a ch will be pe is excava t g round surfavia the sa mmodeling i s cm 2. r e Levels (D C at correspo n mize reme d h e surface.

A(i.e., highe r LACBWR w e conceptu a ces the po t s somewhat n ation to re m nated soil la y m etries are n ded by th e d dressed by fied if additi oparameter s The AMC G o n of the C i R was ass o imal (see T r pipe. u ried piping v ation. In t h assumed to i h e internal s due to the e x cenario ass u r edit taken fo a conservati vfilled with ted followe d ce with no c m e pathway s s used in co n 6-9 C GLs), in u n n d to the 25 diation effi c A standard s u r DCGL). H w ith a thick n al model ass u t ential for greater tha m ain in the y er at depth

.encountere d e assumed additional m o nal modeli n s election an d G for soil is t h i rculating W ociated wit h T able 6-2).

dose assess m he Insitu s c i nstantaneo u s urface area x tensive gr o umes that th e fo r the prese ve assumpti o a flowable d by instant c over. The I n s applicable n junction wi t n its of pCi/gmrem/yr d o ciency, sur fa u rface soil c However, in ness greater umed a 15 delays or an 15 cm i s End State

w. d during c o1 m soil c modeling.

T n g is requir e d uncertaint y h e Industria l W ater Disch a h contamin a A b uried p m ent is sim i cenario the r usly release a of the pipe.

o und surfac e e released ra ence of the p o n, particul afill materi arelease of a n dustrial W o to the BF M t h Excel spr g , were deve l o se criterio n face soil is ontaminatiothe unlike lthan 15 c mcm contam i unnecessar y s encounter e w ith a geom e o ntinuing c hontaminatio T he U.S. N u e d. y analysis a rl Worke r. a rge Pipe, n o a ted syste m p iping dose i lar to the B residual ra d and mix wi t For the Ex c e disturbanc e dioactivity i p ipe to redu c a rly for the C a l. The Ex c all radioacti v o rker is exp o M and soil readsheet to loped for re s n. RESRA D defined a s o n thickness ly event th a m additional ination thic k y remediati o e d. There i s etry compri s h aracterizati o o n thicknes s u clear Regu l r e used cons o ne of the b m s and the rassessmen t B FM and in c dioactivity o n t h a thin 2.

5 c avation sce n e associate d i s a below g r c e environ m Circulating W c avation sc e vity into a 1 osed to the Idose asses s calculate D C s idual D was s that of 15 at soil dose kness. o n if s low s ed of o n or s , the l atory istent b uried r efore t was cludes n the 54 cm n ario, d with r ound mental W ater e nario 5 cm Insitu sment C GLs La Cros s License T Revisio n 6.5.4.E Ground wlicense t e Low lev e well pai r ground wcontami n 6.5.5.R The L A Switchy a contain r in NUR E and Equ i 6.5.6.D The vari oexclusiv e BFM In s the acti vwith the encount e The dos simultan edemonst rfollowin gmaxi mmaxi msum omaxi mmaxi mmaxi m 6.5.7.A As disc u foreseea b use scen a well and A qualit a lower th a s e Boiling W Termination n 0 E xistin g Gr o water monit o ermination.

T e ls of H-3 a n r s were inst a w ater concen n ation prese n R emainin g A A CBWR A d a rd Fire Se r r esidual ra d EG-1575, S u ip ment Man u D ose Summ a o us source t e. For exa m situ drilling vity released groundwat e ering the wee from soi eously with rate compli a g using the m mum BFM I mum BFM E of the BFM m um soil d o mum b urie d m um existi n Alternate Sc u ssed in s e ble" scenari o arios were c o onsite gard e ative evalu a a n that calc u W ater Reacto r Plan oundwater oring has b e T he final m o n d S r-90 ha v alled at the s i t ration are p nt at license A bove Gro u dministrativ e vice Water dioactivity.

T upplement 1 u a l (MARS A a tion for C o terms and c o m ple, althou g spoils scen a to ground w er activity r l l. Therefor e l, buried pthe BFM d o a nce with t h m ean values I nsitu ds dos e E xcavation d Insitu gw dos ose, d piping dos e n g groundw aenarios e ction 6.4, o based on p o nsi d ered i n e n. ation of a re ulated for th e r e en and wi l o nitoring da t v e been ide n i te. Ground w provide d to termination

, u nd Buildin g e Building, System wil l They will b , Multi-Age AME) (4) .

o mpliance o nceptual m g h a low pr o a rio and sub s w ater in the released fr o e , the BFM iping, and o se scenari o he 25 mrem/from FRS: e , d ose, e from all b a e , a ter dose.

the indust r p ast and pro j n cluding rec r creational l a e industrial u 6-10 ll continue t t e will depe n ntified in sa m w ater expos uperform d o , if any.

g s LACBW R l remain in t b e free rel e ncy Radiati o models discu obability, a s equently e x BFM Insit u om another Insitu gw do s groundwat e os. Therefor e/yr dose crit asements co m rial use sc e j ected use o reational us e a nd use sce n use scenario to be cond u nd on the e v m ples collec t ure factors i n o se assessm e R Crib Ho u tact. The b eased in ac con Survey a u ssed above given b ase m x cavated. A n u gw scenario basement t h se will be s u e r could al s e, the final s terion will i n m bine d , e nario was of the LAC B e , and resid e n ario concl u because oc c ucted until v aluation of ted since 20 n units of m ent for exis t use and T uildings ar e c ordance w i a nd Assess m are not nec e m ent could b n other exa m for one b a s h at is dow n u mmed acr o so be vie w site-wide d o nclude the s selected a BWR site. T w ential use wi t u de d that t h c upancy tim esometime bsampling r e 12 after fiv e mrem/yr per p t ing ground w T urbine Bu i e not expec tith the gui d ment of Mat e e ss arily mu t be subject t m ple could b e s ement co m n gradient b o ss all b ase m w ed as occ u o se assessm e s ummation o a s a "reaso n w o alternat e th a water s u he dose wo u e would be l b efore esults. e new p Ci/L w ater ilding t ed to d ance erials tually to the e that m bines b efore m ents. urring e nt to of the nably e land u pply u ld be ess La Cros s License T Revisio n than tha t the recre than ass u The resi d scenario spreadsh states th a assuranc e section 6M 6.6.A comp r present a that hav e characte rthe prim a The initi a and BF Mthe soil D ROC th a describe d 6.6.1.P Energy S o Decommdocume n R eactor M Around Decommfuel inv e 10 CFR P The list o after eli m with the o Co-60 a nsamples) coupled several a present d Finally, Piping a n were not s e Boiling W Termination n 0 t assigned t oational land umed for the dent garde n as defined ieet, to calc u at if the pea k e that the sc 6.15. M ixture Fra r ehensive "

i at the LAC B e not been r ization but a ry radionu c al suite mix t M DF dose a s D CGLs an d at will be c d in section 6 P otential Ra o lutions T S issioning (5 n ts were re v M aterials, (6Commerci a issioning A s e ntory asses s P art 61 was t of activatio n m inating no b oretical neu t n d Ni-63 (t

h. The revi e with revie w a dditional r a d uring the d e the results o nd Ventilati o already acc o W ater Reacto r Plan o an industr iuse scenari industrial w n er land us e in NUREG-ulate the do s k dose fro m e nario is un lctions for I n initial suite' B WR site. Apositively could theor e clide which i t ure fraction s ssessments.

d BFM DFs c onsidered d 6.5.6. dionuclide s S D RS-TD-5) establish e viewed inc l 6), and NU R a l Nuclea r s sessment (7 sment cond u te stream an a n product r a b le gases, ra d tron activat i he promine n e w of Refe r w of the LA C a dionuclide s e commissio n o f concrete o n Tunnels ounted for b r al worker. o the recrea t w orker. e was consi d 1 757, Table se from the R m a less likel y l ikely woul d nitial Suite of 21 radi A s discussed identified i n etically be p i s Cs-137.

s were used The initial sto identify d uring the F s of Concer n-313196-00 1 e d an initi a l uding NU R REG/CR-42 8 r Power 7). The revi e u cted in 198 8 a lyses were a adionuclides dionuclides w i on product s nt activatio n r ence 6, w h CBWR fuel s b eing incl u n ing of LACcore sampl w ere revie w by the assess m 6-11 In addition, tional user' s d ered to b e 5-1. RESR A R esident G a y put plausi b d be necessa r Radionucli d o nuclides wbelow, the i n LACBW R present, albein the RES R suite mixtur ethe insigni f F RS and fi n n and Initia l 1 , R adionu c al suite of p R EG/CR-34 7 8 9, R esidua l Plants; O ew also incl u 8 that was d a lso review e for consid e with half-li v s with abun d n products i d hich include inventory a uded in th eBWR. es collecte d w ed. No rad i m ents descr i if a water s s intake rate e a "less li k A D was us e ardener alte r ble scenari o ry. The alte r d es w ere identifi i nitial suite R 10 CFR it at very l o R AD uncert a e fractions w f icant dose c n al dose s u l Suite clides of C potential R O 7 4, Long-L i l Radionucli d O rigin, Di s u ded an ev a d ecay corre c e d. eration in th e ves less than d ances less dentified in s both acti v a nd 10 CFR e list of tho d from the W i onuclides w i bed above.

s upply well from the w k ely but pl a ed , in conju n rnate scenar i o is "signifi c rnate scenar i ied that co uincludes m a Part 61 a n ow mixture f a inty analys e were used in c ontributors u mmation f o C oncern D O C. Two i n ived Activa t d e Concent r stribution, a luation of a c ted to Janu a e initial sui t two years, athan 0.01 p e LACBWR v ation and Part 61 an a o se that cou W TB, Reac t were positiv e were instal l w ell would b e ausible" lan d nction with E i o. NUREG-cant" then g r i o is addres s uld potential a ny radionu c n alysis or d fractions, re l es for Soil D conjunctio n and final l or complian c D uring LA C n dustry gui d t ion Produ c ration Withi nInventory, LACBWR a ry 2015. S e t e was deve l a nd radionu c ercent relat i 10 CFR P a fission pro d alyses resul t ld be pote n tor Buildin g ely identifie d led in e less d use Excel -1757 reater sed in ly be c lides d uring lative DCGL n with ist of c e as CBWR d ance c ts in n and and spent e veral l oped c lides i ve to a rt 61 d ucts, t ed in n tially g and d that La Cros s License T Revisio n The resu in Table 6.6.2.M As desc r develop eWTB, a n1.27 cm fractions fractions Minimu m concentr a provide dThe mix tfraction justified

across c o s e Boiling W Termination n 0 lting list of p6-3. The pr M ixture Fra ribed in R e ed from con c n d Piping/V eslices from . The use o f assigned t o m Detectab l a tion data a v d in Table 6-3 T t ure was ba s for all buil din Referen c ores from th e W ater Reacto r Plan potentially p ocess for de tctions for I n ference 5, t crete core d a e ntilation T u the cores w f cores wit h o low abun d l e Concent r v ailable. T h 3. T able 6-3 s ed on a co m d ings. The a c e 5 by a r e e different a r r present radi o termining t h nitial Suite the mixture ata collecte d u nnels. The w hich were t h h higher co n d ance radio n r ation (MD he mixture f rInitial S u and Mi xNuclideH-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-243/244Total m pilation of 1 application o eview of C s r eas. The po t 6-12 onuclides is he mixture f r Radionucli d fractions f d during ch avast majori t herefore us e ncentrations n uclides we r C) values ractions assi g uite of Pote n xture FractMix t Frac t0.00 00.00 00.00 20.01 00.01 20.08 00.00 90.00 00.00 00.87 70.00 00.00 00.00 00.00 00.00 00.00 30.00 00.00 00.00 0 1.0 1 2 cores fro m of the comb s-137/Sr-90 t ential effec tcalled the "

I r actions is d e d es f or the Init i a racterizatio n t y of the ac t ed to deter m was requir e r e not overl y which wer e gned to the I ntial Radio n tions t ure tions 071 065 294 038 221 048 907 008 015 736 093 080 045 014 013 306 037 004 005 0 0 m all buildi n b ined data t oratios whi c t of uncerta i Initial Suite "e scribed bel o ial Suite ra d n from the R t ivity was l o mine the rad i ed to ensure y influence d e in many Initial Suite n uclides ngs to deter m o determine c h were rel a i nty in the m" and is pro v o w. dionuclides R eactor Bui l ocated in th e i onuclide m ithat the m i d by the re pcases the radionuclid e m ine one m ithe mixtur e a tively cons mixture fract i vided were l ding, e first i xture ixture p orted only e s are i xture e was istent i ons La Cros s License T Revisio n on the fi nmixture i uncertai n b ecause Complia n concentr aemitters insignifi c soil DC G that is p odemonst r The pri m Detect (H FRS. H o conserv a fraction.

There wpredomi n evaluati oless than HTD ra d MDC v a Therefor soil and u contribu t sufficien tS 6.7.Site-spe c 10 CFR 2 radionuc percenta g The sur funiforml y expectat igeometr y with con c 6.7.1.S There is based o n subsurfa c monitori n s e Boiling W Termination n 0 nal complia n is comprise d nty in the m ithe FRS f nce with th a tions for gthat were c ant contrib u G Ls and Bu r o sitively ide n r ation. m ary source o HTD) mixt u owever, the ative and pr See section w ere only a n antly Cs-1 o n of the rel athe MDC.

W d ionuclides t a lue which ce, the radio n u sed to dete r t or dose per t margin to a oil Dose As cific DCGL s 2 0.1402 do s lide in orde r g e and the f i f ace soil c o y contamin a i ons that at y consisting centrations e oil Source T limited pot e n the resul t c e soil co n ng results d o W ater Reacto r Plan n ce dose ca l d of Cs-137 i xture fracti o f or structur ee 25 mrem/

y gamma-b eta designated u tor dose c a ried Pipe D n tified duri n o f potential u re fractions method us eovides suff i 6.13 for the a few pos i37, and th ative mixtur e When the C t hat are not c ould be or d nuclide mixt u rmine the s o centage ass i a ccount for m sessment a n s were deve l s e criterion r to provide i nal list of R onceptual m ated 1 m la ythe time o f of a clean e xceeding t h T erm ential for si g ts of soil c n tamination o wn gradien t r lculations i s which is a o ns for Cs-1 e s and soi l y r dose cri t emitters.

N as insignifi a lculation a n CGLs. The g FRS will bdose impac tbecause th e e d to calcul a icient marg iassessment itive soil s e concentr a e fractions fo s-137 conce positively i ders of mag n ure fraction s oil ROC. H o i gned to soi l m ixture unc e n d DCGL l oped for re s of 25 mrem/an input to OC. m odel assu m yer of soil f license te rsurface lay e he surface s o gnificant su r c haracteriza tunder the t of suspect e 6-13 s minimized beta-gamm a 37, or any o l will be p t erion will b N ote that t hcant contri b nd the corr eadditional d be directly c t from mixt u e re will be n a te the insi g i n to accou nof insignifi c sample res u ations were fo r the HTD ntrations ar e i dentified a r n itude highe s determine d owever, as d l is demons t e rtainty. sidual radio a/yr. A DC G the determ i m es that th efrom the g r rmination r e er of soil o v o il DCGL.

r face or sub ion perfor m Turbine B u ed broken d r by the fact a emitter. T o ther beta-g a performed u be demonst r he dose co n butors is a l e sponding a d dose from a n calculated a n u re uncertai n n o analysis o g nificant c o n t for unce r c ant contrib u u lts identif iinsufficie n radionuclid e e low the re l r e artificiall y er than the a d from the c o d escribed in trated to be activity in s GL was cal i nation of i n e soil cont a r ound surfa c esidual radi o v er a conta msurface soil med in 201 4 u ilding bas e rain lines. H o that the va s T here is no d amma emitti using gam m r ated using ntribution f r lready acco u djustments t ny beta-ga m n d included i nty is limit e o f HTD rad i o ntributo r d ortainty in t h utor dose pe r i ed during n t to provi d e s which w e lative mixtu r y increased a ctual conce n o ncrete cor e section 6.1 3conservati vurface soil t culated for n significant c amination i s c e downwar d oactivity wi m inated sub scontaminat i 4. There a r e d on posi t o wever, geo st majority o d ose impact ng radionuc m a spectros cactual mea r om beta-g a u nted for i n to the BFM mma radion u in the comp l e d to the Ha r i onuclides d ose percent a h e HTD m i rcentage. characteriz a de a mean i ere all repor t r e fractions o due to usi n n trations pr e es were appl i 3 the insigni f ve and to pr o t hat represe n each initial c ontributors s contained

d. There a r i ll remain w s urface soil i on at LAC B r e indicatio n t ive ground wprobe samp l of the from lides, c opy. sured amma n the DFs, uclide liance rd-to-during a ge is i xture a tion, i ngful t ed as of the n g the esent. ied to ficant o vide nt the suite dose in a r e no w ith a laye r BWR n s of w ater l es La Cros s License T Revisio n collecte d plant-de rcontinui n soil exp o Soil cha r b iased s u collecte d 137 abo v indicate dsamples 60 result 6.7.2.S The A M apply: Dire cInha lInge sInge s The agrimilk, gr aS 6.8.The RE Sfor the Energy S o Factors (6.8.1.P RESRA D b elong t o location site-spec characte r exposur e Behavio rfor the s changed LACB W for both t s e Boiling W Termination n 0 d under the T rived radio n n g character i o se d. racterizatio n u rface soil s a d inside the L v e the MD C d Co-60 abo v indicated C s s greater th a oil Exposu r CG at the L c t exposure t l ation of air b s tion of soil s tion of wat ecultural an d a in and vege t oil DCGL C SRAD mode l modeling o lutions TS (8). P arameter S D parameter s o more tha n of the sourc i fic) includi r istics of at m e to, the dos e ral paramet eite. For th e(e.g., para m W R, the beh a t he BFM an d W ater Reacto r Plan T urbine Bu i n uclides ab o i zation after n results are amples and 7 L SE fence.

T C with a m a v e the MD C s-137 abov e a n MDC. Th e re Pathwa ys LACBWR s to external r a b orne radioa c er from onsi t d gardening table ingesti C omputati o l was used t o discussed D RS-TD-3 S election Pr o s are classi fi n one categ oe term and t ng the geo h mospheric a n e receptor ar e e rs define th e e same gro u m eters for a vioral para m d soil dose a r ilding in th e o ve backg r the Turbin eprovided in 7 9 subsurfa c T hirteen of t aximum of C with a ma x e MDC with e Cs-137 re s s and Criti cite is the I n adiation c tivity t e well pathways a on pathway s o n Model -

R o calculate D below ar e 3 13196-004, ocess fi ed as b eha v o ry. Physi c t he geologic hydrologic, g n d biosphe r e also consi d e receptor's u p of recept oindustrial u m eters are b a assessments.

6-14 e vicinity o f r ound. Sub s e Building f o LTP Chapt e ce soil samp l t he surface s 1.07 pCi/g.

ximum of 0.a maximu m s ults are all i cal Group n dustrial W o a re not appl i s are theref o R ESRAD v 7 D CGLs for s e provide d LACBWR vioral, meta b cal paramet e al character i geochemica l ric transport d ered physi c behavior c o o rs, a para m u se could b e ased on an i f the suspec t s urface soil o undation is er 2 and su m les (at varyi n soil sample a Two of th e 287 pCi/g.

F m of 0.161 p i n the range o rke r. The fo icable to in d o re not inclu d 7.0 s urface soil.

d electroni c Soil DCG L b olic or phy ers are dete r i stics of the l, and mete o up to, but cal input par a o nsidering t h m eter value c e different industrial u s t drain line s l will be e s removed a n mmarized h e n g depths to a nalyses res u e surface s o Fifteen of t h p Ci/g with n of natural b a fo llowing e x dustrial lan d d ed. The RESR A cally in c o L and Con c sical. Som e rmined by t h site (i.e., so o rologic ch a not includi nameters. he conceptu a c ould chan gfrom resid e se scenario a s did not id e evaluated d n d the unde r ere. A total six meters) ults indicate oil sample r e h e subsurfac e n o subsurfac e a ckground.x posure pat h d use. The m AD output r e o njunction c rete BFM e parameter s he geometr yurce-specifi aracteristics.

n g, uptake b al model se l ge if the sc e e ntial use).

and are the e ntify d uring rlying of 22 were d Cs-esults e soil e Co-h ways m eat, e ports with Dose s may y and c and The by, or lected e nario For same La Cros s License T Revisio nMetabol i set of m e Physical ,dose mo d uses sin gselectio n Argonne Priority 1 ranking i Probabi l Priority 3from the either a sparamet esite-spec from th e Priority 1 negative l negative l and posi t to positi v than 0.2 5 Consiste nparamet e Contami n Table 6.8 Figure 6-determi nto deter m 6.8.2.R The unc e rounded radionuc respecti v Section I for. The practical

with the for selec t Attachm efor the u n s e Boiling W Termination n 0 ic paramete r etabolic par a , behavioral d eling to ca l g le values f o n process is dNational L 1 parameter s is documen t l istic RESR A 3 physical pparameter dsigned site

-er distributi o ific parame t e RESRAD 1 and 2 pa r ly correlate d ly correlate d t ively correl vely correla t 5 were assig n n t with th e e rs were ass i n ation Fr o 8 7. -7 provides n istic param e mine the fin a R ESRAD P a e rtainty ana lmixture fr a l ides, and e n ve mixture f I.7.5 and en s threshold oimplement aobjective o f t ion of dete r e nt 6-1 pro v ncertainty a n W ater Reacto r Plan r s define ce r ameters appl iand metabo l lculate soil D o r input pa r d escribed be l Laboratory (s have the h t ed in Attac h AD 6.0 and R parameters w d istributions specific de t ons defined i t er distribut iuncertainty r ameters.

A d to dose.

T d parameter sated to dos e ted paramet e ned the med e guidance i gned the m e o m Deco m a flow c h e ters and pa rl determinis t a rameter S e l ysis includ e a ctions of 0 ntered into R f actions. Th i sures that th e o f 0.1% fo r ation of the R f identifying rministic par vides a tabl e nalysis. The r r tain physio l i es to both t h lic paramet e D CGLs (an dameters an d l ow. (ANL) ran k h ighest pote hment B to t R ESRAD-BU w ere assign e defined in N terministic v in NUREG/C i ons. The Panalysis w A PRCC v a T he 25 th per c s. A PRC C e. The 75 th p e rs. Priority ian value o f in NURE G e an values fr mmissioning h art of the rameter dist r tic paramet e election for U ed all of th e 0.1% or gr e R ESRAD fo r i s approach e sensitiviti e r including R ESRAD u nsensitive p aameters thr o e with the d e references o 6-15 l ogical char a he BFM an d e rs are treat e d BFM DFs)d generates a k ed physica lntial impac t t he ANL re p U ILD 3.0 Co m e d either a s N UREG/C R v alues, eval u C R-6697, o r P artial Rank ere used to a lue less t h centile of th e C value gre a p ercentile o f 1 and 2 par a fthe parame t G-1757, se c fr om NURE GParamete rparameter ributions is u e r set used t o U ncertaint y e initial suit e e ater. The c r the uncert a is consiste n e s of the sig nradionuclid e ncertainty a n aramete r s fo o ugh the un c eterministic or justificati o acteristics o f d soil dose a s e d as determ i). The dete r a single val l parameter s t on dose a n p ort, NURE m puter Cod e site-specific R-6697. Pri o uated by u n r evaluated b Correlatio nevaluate t h h an -0.25 w e parameter ater than +0

.f the param e ameters wit h t er distributi c tion I.6.4.2

, G/CR-5512 r Analysisselection p r u sed in a R E o calculate s o y Anal y sis e radionucli concentratio a inty analys nt with the nificant radi o e s was pri m nalysis mod ur significan t certainty an a values and o ns for the p f the potent i ssessments.

i nistic para m rministic m o l ue for dose s by priorit y n d Priority 3 E G/CR-6697 , e s , (NURE G value or t h ority 1 and 2 n certainty a n b y uncertai n n Coefficie n h e relative s was conside r distributio n.25 was co n eter distribu t h a PRCC a b i on. , metabolic Vol. 3, R es i(NUREG/rocess. The E SRAD Un c oil DCGLs. des from T ans assigne d is, were val uguidance i n onuclides a r m arily appli e ule but is als t radionucli d alysis is disc uparameter d parameter se l i al receptor.

m eters in th e o dule of the . The para m y as 1, 2, 3 the least.

, Developm e G/CR-6697) he median v parameters n alysis usin nty analysis u n t (PRCC) v sensitivity o red sensitiv e n was assig n n sidered sen t ion was ass i b solute valu e an d b eha v i dual Radio a/CR-5512) set of se l certainty An a a ble 6-3 th a d to the se l ues equal to n NUREG-re fully acco u ed to facili t o fully cons des. The rati u ssed belo w distributions lections are One e final code meter or 3. This e nt of (9). values were g the using values of the e and ned to sitive i gned e less vioral a ctive (10) lected alysis at had l ected their 1757, u nted t ate a istent onale w. used listed La Cros s License T Revisio n in Attac h and the g with theparamet e The con t specific sto ensur ethan the from Re fCont aSoil DSoil PSoil ESatu rA site-s pparamet e Support Hydrolo g The Inh a 5512, T a equates tInhalati oA simila r industria residenti a rate for a The RE S 6697 At tAssumi nmajority report U s and 25 (2190*.7 (2190*.2Site-spe cPumpin g LACB W 129 foot The 33.1 b e repre s s e Boiling W Termination n 0 hment 6-1.

T generic par a process fl o er distributi o taminated a r s oil type is s e efficient retypical def a f erence 1 w e aminated Z o Density, P orosity, Effective Po rated Zone H pecific dete r e r based on Document gical Param alation Rate able 5.1.1 w h t o 23 m 3/d. n Rate (m 3/y r process w a l worker. N U al user whic a worke r as f S RAD para m t. C, Table n g 5 days a of industri a s er's Manu a% outdoo 7 5)/(24*365

)2 5)/(24*365

)cific parame t g Rate Para m WR. The wel l depth is 10 9 m depth is a s ented by a n W ater Reacto r Plan T he basis f o ameter distr i o w chart i n ons are disc u r ea was ass u sand. The d e m ediation (i a ult value o ere applied:

o ne Hydraul i rosity, H ydraulic G r rministic va l a calculati o14-006, C oeters in Sup pparameter fo h ich provid e The inhal a yr) = 23 m 3/d as followed U REG/CR-5h correspon d follows: 1.3 1 m eters Indo o 7.6-1, whi c week and a l work is e al for RESR A rs. The ) = .187 5) = 0.0625.

t er distribut i m eters. Ther e l depths are 9 feet (33.1 m assumed to b n ominal 20 f r o r the beha v i butions (N U n Figure 6-ussed in mor e umed to be t h epth of soil c i f necessary

)o f 0.15 m. T i c Conducti v radient. l ue was als o o n perform e o nestoga R o p ort of Dos e fo r the indus t e s an annual ation rate th d ÷ 24h/d

2to determi n 5512, Table d s to 1.31 L

/1 L/d

250 w or and Outd o c h recomme50 weeks p e xpected to A D Version co r respondi 5. The O u i ons were d e e are two ex i 116 feet a n m) below t h be maximu m f oot screen d 6-16 vioral and m UREG/CR-6 7. The b as i e detail belo w he full 750 0 contaminati o) and FRS i f T he followi n vity, o selected fo ed for a sa n o vers & A s e M odeling f trial worker inhalation re industrial 2 000 h/y =

1 ne the Drink 6.87, provi d/d. This rate w ork days/y oor Time Frnds a medi a p er year, th i be indoors.

6 (12) , 75

%n g RESR A u tdoor Ti m e veloped fo r isting onsite n d 129 feet b h e average w m well dept h d epth (6.08 m m etabolic pa r 6 697) are st ris for the s w. 0 m 2 area in s o n was cons e f contaminat i n g site-spec i for the "Sat u n d soil type s sociates (C f or the Zion R AMCG w a rate of 8400

/worker wa s 1 917 m 3/yr.k ing Water I n d es a water e was conser v yr = 327 L/y r ractions wer e an indoor w is equates t oConsistent

% of work t i A D Indoo m e Fractio n r the Well P e industrial w below the g w ater table e l h. The mini m m) starting a t rameters (N U r aightforwa r site-specific s ide the LS E e rvatively a s i on is foun d ific determi n u rated Zone in Zion So l C RA) Repo r Restoration a s derived fr o/y for a resi d s then calc u n take Rate pintake rate o vatively ap p r. e derived fr o w ork day o f o 2190 ho uwith Table ime is assu m o r Fractio n n is the n Pump Intak e w ater supply g round surfa c levation wh i m um well de p t the averag e UREG/CR-5 rd and cons parameter s E fence. Th e ssumed to b e d at depths g r nistic para m e Field Cap a lutions Tec h r t, Evaluati o Project (11)om NURE G d ential user

.ulated as fol parameter f o of 478 L/yr plied as the i n om NURE G f 8.76 hour8.796296e-4 days <br />0.0211 hours <br />1.256614e-4 weeks <br />2.8918e-5 months <br /> s urs per year

.2-3 of the med to be in d n paramet e n calculate d e Depth and wells supp o ce (bgs) (1) ich is 20 fee t p th is assu m e water tabl e 5512) istent s and e site-e 1 m r eater meters a city" h nical o n of ). G/CR-. This lows: o r the for a ntake G/CR-s/day. . The ANL d oors e r = d as Well orting . The t bgs. m ed to e La Cros s License T Revisio n elevatio n b etween similar t distribut iNUREG/variabili tpumpin g develop e persons oassumin g which e q actual w a to provi d The rem a with the p 6.8.3.SThe full Referen c The unc e were se n The sen s distribut i Four M aj provide dNUREG/determi n Table 6-paramet e N s e Boiling W Termination n 0 n. The mod e6.08 m and t o the NU R ion. /CR-6697 d t y. For an in d g rate is in c e d. NURE G o f 328.7 m 3/g four work q uates to164 a ter use at a d e a range th a ining para m process flo w oil DCGL U R ESRAD U ce 8. The un c e rtainty ana l nsitive whic h sitive para m i ons in She p aj or Soil Ty p d in Referen c/CR-6697 d n istic values 5). The un c ers evaluate d Table 6-4Radionuclid e Cs-137 Eu-152 Eu-154 Note 1: NS indi c W ater Reacto r Plan e of the re c33.1 m whi c R EG/CR-66 oes not pro v dustrial use cluded in t G-6697, Tab l/yr. This va l ers. A nom i 3.5 m 3/yr. T a n unknown at can be us e meters in A t w chart in Fi g U ncertaint y Uncertainty R certainty an a l ysis results h are listed, m eter for Cs

-p pard and T h pes: A Com p c e 13 and w distribution.

for sand fr o certainty an a d are listed i n 4 Deter m used i n e Kd in Co nZone 75th NS 1 75th c ates non-sen s r commended c h is 19.6 m 9 7 distribu t v ide a reco mscenario, th e t he uncerta i le 3.10-1 ap p l ue is assu m inal maxim u These mini mfuture indu s e d to deter m ttachment 6

-g ure 6-7.

y Anal y sis R Report for S o a lysis result sfor the Kd along with

-137 was a s hibault, Def a p endium , (13 w as therefor e All non-s e om Referen alysis result s n Table 6-6.

ministic Va l n to calcul ataminated 1460 NS 7302 itive paramete 6-17 triangular

d. Note that t h t ion values mmended v e pump rate inty analysi plies a sanit a m ed to be th e u m rate is a mum and ma x strial facilit y mine if the d o-1 not disc u R esults o il DCGL p a s are provid eparameters the selecte d ssigned the ault Soil/Sol i) which are e assigned t h e nsitive K dce 13 as li s s and the s e l ues selecte d ate Soil DC GKd in Un sZone NS 75th NS r distribution he site-spec i of 6, 10, alue for we depends on s a nomin a a ry and pot a e minimum a ssumed ba s ximum valu e y on the site ose is sensiti v u ssed above arameters i s e d in Tables indicated t h d determinis t 75 th percen t i d /Liquid P alisted in Re he 75 th perc d parameter s s ted in NU R e lected dete r d for Sensit G Ls saturated NS 7302 NS is assumed ific distribu t and 30 f o e ll pumping industry. T o al uniform able water u s industrial w s ed on supp l e s are not i nafter licensve to well p u were select s provided e l 6-4 to 6-6.

hat only thr etic paramet e t ile value f r artition Co ef eference 8.

Eentile value s were ass R EG-6697, T rministic va live Kd par aKd in Satu rZone NS NS NS to be mi d-t ion is reaso n or the tria n rate due to o ensure tha t distributio n s age rate fo r well pumpin g l y to 20 w o ntended to p re terminati o umping rate ed in accor d lectronicall y ee Kd para m e rs, in Tabl e r o m the san efficients, K d Europium w afrom the d e igned the m T able 3.9-2 l ues for all ameters rated NS NS NS -point n ably ngular high t well n was r four g rate o rkers r edict on but . dance y with m eters e 6-4. nd Kd d s, for a s not efault mean (see other La Cros s License T Revisio n N N TS 6.9.The soil paramet eContami n unsatura t electroni s e Boiling W Termination n 0 Table 6-5RadionucH-3 1 C-14 Fe-55 Ni-59 Ni-63 Co-60 Sr-90 Nb-94 Tc-99 Cs-13 7 Eu-152 Note 1: Sand K d NUREG-6697, T T able 6-6 Contaminate dContaminate dEvapotranspiWind Speed 1 Runoff coeff iSaturated zo nWell pump i n b Parameter oMass loadin gIndoor dust f i External ga mWell Pumpi nDepth of Soi loil Determ i DCGLs w e er distributi o n ated Zone F t ed and satu r cally with R W ater Reacto r Plan 5 Deter m Kd p a l ide K 7 1 ds not listed in Table 3.9-1 w a Soil DC G for Non-NParameter d zone erosion d zone b para m ration coeffici e i cien t ne b parameter ntake depth of Unsaturated g for inhalatio n iltration facto r mma shielding f ng Rate l Mixing Laye r i nistic Anal y e re calculate ons replaced F ield Capac rated zone.

T R eference 8.

T r ministic pa r a rameters f o Kd (cm 3/g) 0.06 5 220 400 400 60 15 160 0.1 280 825 NUREG-660 7 as used. L Uncertai n N uclide Spe crate m ete r ent zone n facto r r y sis and So i d using the by the dete r ity was also The full RE S T he Soil D C 6-18 r ameter val u o r soil DC GRad i E u E u Np P u P u P u P u A m A m C m C m 7 Table 3.9-2 f n t y Result a cific Para mUncertain tResult median median median median 75th median median median median median 75th median 25th i l DCGLs parameter s rministic val u changed fr o SRAD Sum m CGLs for th e ues selecte d G L calculati o ionuclide u-154 1 u-155 1 N p-237 u-238 u-239 u-240 u-241 m-241 m-241 m-243 m-244 for this radion u a nd Deter m meter Distri b ty Selecte d0.0015 0.97 0.62 6.8 0.45 0.97 19.6 0.97 2.35E-0 50.55 0.4 986.1 0.15 s et provide d u es listed in o m 0.2 to 0.

m ary Repor t e Initial Suit e d for non-se o n Kd (c m825 825 5 550 550 550 550 190 0190 0400 0400 0 uclide. The me a ministic Val u b utions d Determinist i 5 d in Attach m n Tables 6-4, 066 to be c o t for Soil D C e are listed i nnsitive m 3/g) 0 0 0 0 an value from u es selected ic Value m ent 6-1 wi t 6-5 and 6-6 onsistent wi t CGLs is pro v n Table 6-7.

t h the 6. The t h the vided La Cros s License T Revisio nB 6.10.The BF M the back f concept u more de t pathway s The BF M (639 foo t 20 feet b ground w seasonal and Ven tthe aver aassumed The seas above 6 1somewh ain the sa t The BF M exposur e drilling s s e Boiling W Termination n 0 Basement Fi M is used to filled base m u al model w a tail includin g s. The comp M conceptu a t), i.e., to an b gs at 619 f o w ater is in d groundwat e t ilation Tun n a ge water t a to be insta lonal water f 1 9 foot and a t of an exc e t urated zone M includes t w e pathways; s poils that a r W ater Reacto r Plan ll Concept u calculate d o m ents to rem a s provided g assumed p u tational m o a l model ass u elevation o f o ot elevatio n direct com m er fluctuatio n nels, the se a able level, i l led in the s a f luctuations contacting b e ption in th a (see Figure Table 6-7 wo scenarioingestion o re assumed t r u al Model ose to the in d ain after lic e in section 6 p hysical co n odel is descr umes that a l f 636 foot, a n (1) which d m unication w n. Based o n a sonal fluct u i.e., to the 6 aturated zo nresult in fl u backfilled s t a t a portion o 6-6). 7 LAC B Suite RRadionuclid eH-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 an d o f drinking to be broug h 6-19 dustrial wor k ense termin a 6.5.1. This s e n figuration, gibed in sect i l l structures a n d then b ac k d efines the b w ith the Mi n direct obs e uation can r e 6 29 foot el e n e below th e u shing of w a tructure sur f of building i s B WR Soil D R adionucli d e Soil d Excavatio nwater from ht to the su r ker AMCG f a tion. A ge n e ction descr g eohydrolo g i ons 6.11 an dare remove d kfilled. Th e b eginning o f ssissippi ri v e rvation of w esult in wat e e vation. An e 619 foot a v a ter into an d faces. Note s below 61 9 D CGLs for I d es 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 BFM an onsite w r face during from residu a n eral descri pibes the co n gy, source-t e d 6.12. d to a depth e average w a f the saturat ver resultin g w ater ingre s e r rising up onsite wat e v erage wat e d out of the that the Re 9 foot and is I nitial g) Insitu scen a w ell and d ithe installa t al radioacti v ption of the nceptual mo d e r m and exp of three fe e ater ta b le de p ed zone. T h g in river d ss into the Pto 10 feet a e r supply w e r table elev a unsaturated actor Build iassumed to a rio include i rect expos u t ion of the o vity in BFM d el in osure e t bgs p th is he site driven Piping a bove well is a tion. zone i ng is be in s two ure to onsite La Cros s License T Revisio n well. Th e the back f 6.10.1.S The sou rBaseme n characte r provide dremain i n 6.10.1.1.The Rea c bottom. I extends 2 upper h e elevatio n The tota l foot ele v 363 m 2. removed of the st e the 636 f structure

reactor o no evide nliner. T h Six 1.27 laborato r survey mcontami n radionuc with an a There is is remo v addition, demoliti o purpose sactivity i the liner.

6.10.1.2.The WT Bstorage, a s e Boiling W Termination n 0 e BFM Exc a f illed concr e ource Ter m rce term f o n t End St a r ization dat a d in Referen c n each base m React ctor Buildin g I t has an o v 2 6 feet 6 in c emispherical

n. l wall/floor vation, is 51 2Remediati o exposing t h e el liner wil l f oot elevati ocomprised perations by n ce of cont a h erefore the pcm thick co r ry for analy s measureme n n ation. As s h lide mixtur e a verage of 1

, no indicati o v ed therefor general c l o n and rem o before the s in contamin a Therefore, m Wast e B contained a nd disposa l W ater Reacto r Plan a vation sce n e te and spre a m o r the BFM a te at the a for the ba s c e 8. The ex p m ent are su m or Building g is a right c v erall intern c hes below gdome, whi c surface are a 2 m 2. The s u n plans cal l h e steel line r l be remove d on will rem a of a concre t y the interio r amination le a p ile cap an d r e slices we r s is. The cor e n ts and rep r hown in Ta b e. The Cs-13

, 903 pCi/g.

o n that cont ae no cores l eanup of l o val of the i n steel liner i s a ted dust fr o minimal so u e Treatment facilities a n l of low lev e r nario assum e ading the co nis the tot a time of li sements tha t p ected sour c mmarized be l circular cyli n a l height o f g rade level.

c h is 0.60 i n a in the por t u rface area l for all be l r. Subseque n d. The rem a a in. The re m te pile cap a r conc r ete, t h a kage beyo n d piles are c o re collected es were coll e resent the b le 6-3, Cs

-7 results fr o amination is were colle c l oose conta m nternal con c s removed.

T om the stee l urce term is e Building nd equipme n el solid radi o 6-20 e s large scal ncrete over a a l inventory cense ter m t will remai n c e term conf i l ow. nder with a h f 144 feet a n The steel s h n ch thick.

T tion of the bbelow the 6 l ow grade c nt to interior a ining struct u m aining con c a nd piles. T h h e steel line r n d the steel l onsidered to bfrom the su r ected from b areas expe c-137 is the p o m the six c opresent in t h cted from t h m ination o n c rete is exp e T his reduce s l liner to th e e xpected in t nt for decont a o active was t le industrial a 1 m layer oof residua l m ination. L T n. The dim e i gurations a n hemispheri c n d an insid e hell thickne s T he lowest f b uilding to b 6 19 foot av e concrete int econcrete re m ural concret c rete "bowl "he pile cap r and the ex t liner or the be non-imp a r face down w biased locat i c ted to co n predominat e o res ranged f he concrete t h e concrete n the steel e cted for op e s the alread y e underlyin g the Reactor amination a n te. The siz e excavation o n the grou n l radioactiv T P Chapte r e nsions and n d activity l e cal dome an d e diameter o s s is 1.16 in c f loor elevati o be backfille d erage water t erior to the m oval, the r t e outside th e" sits on an and piles w e t erior concr e concrete bo w acted areas.

w ard and shi p i ons as indi c ntain the h e radionucli d from 66 pC i to remain a f outside th eliner (con c erational ra d y low potent i g concrete d uBuilding E n n d the colle c e of the WT Bof some or nd surface.

ity remaini n r 2 provide s surface are a e vels projec t d semi-ellip s o f 60 feet, a c h, except f o o n is at 61 2 d, i.e., belo w table elevat isteel liner remaining p o e liner and bexternal s u ere isolated ete bowl. Th wl exterior t p ped to an o c ated by ele v h ighest leve d e at 88% o i/g to 7,500 p f ter the stee l e steel line r c rete dust) d iation prot e ial for trans f during remo v n d State. c tion, proce s B floor to r e all of ng in s the as are ted to soidal a nd it o r the 2 foot w 636 i on is to be ortion b elow u pport from ere is t o the offsite v ated ls of of the p Ci/g l liner r. In afte r e ction f er of v al of ssing, emain La Cros s License T Revisio n b elow 6 3The WT B of 626 f e Concret e The Cs-1offsite l a Cs-137 c values t h source t e Deconta m deconta m Technic a This eq u1.27 cm approxi mremaini nremediat 6.10.1.3.The W G2 feet th isystem rrecombi n elevatio n Concret e of signi fWGTV alevels in 0.547 µC concentr a of 4% o f collecte dis remov and FRS 6.10.1.4.The Re m Plant/Ge n slab, a s m Three co concentr a The acti v MDC w a s e Boiling W Termination n 0 3 6 foot elev a B basement e et. e cores were 1 37 concent r a boratory ra n concentratio n hat were ap p erm is expec t m ination w m ination thr e al Support D uates to appr thick unifo r mate maxim u ng after re m ion is comp l Wast e G TV is a 29 i ck floors, w routed mai n ning, monit o n. A small s u e cores were ficant conta m a nd WTB s uthe WGTV.C i/L and 0.

0 ations in th e f the conta m d from the W ed to provi d classificati oRem a m aining St r nerator Pla n mall sump i n ncrete core ations in th e v ity was ide n a s found in t h W ater Reacto r Plan ation is sm afloor is at e l collected a t rations in th e nged from 1 2 n s in the t wroximately t ed to be on w ill be re q eshold is th Document R S oximately 1 rm layer. A u m concent r m ediation t o l eted.

e Gas Tank V foot by 31 f walls, and ce i n condens e o ring and h o ump is prese n not collecte m ination. H o umps can be

. The most r 0 215 µCi/L e sump liqu i m ination lev e WGTV as a p de a better e s o n. a ining Struct u r uctures cat n t area, a on n the Turbin esamples we r e three core s ntified in th e h e slice fro m r ll at 36.9 m l evation 63 0 t biased loc a e first core s 2 40 pCi/g t o w o core sli c 1% of those the floor as q uired to m e open air d S-TD-3131 9 0,000 pCi/g l though the rations, the f o the open V ault f oot underg r iling locate d er gases t h o ldup for d e nt that exte n d f rom the W o wever, 10 used to pro vecent samplfor the WT d , the cont a els in the W T p art of cont i stimate of c o ures egory incl u e foot thick e Building a n re collected s ranged fro m e core slice m 1.27-2.54 c 6-21 2 with a tot a 0 feet. A sm a a tions as ind i lices (0 - 1.

2 o 25,400 pC i ces from 1.

2found in th opposed to w m eet the u demolition c 9 6-005, La C Cs-137 ass ubiased char a f ull areal ex tair demol i r ound concr e d 3 feet bgs j hr ough vari o e cay in the n ds to 618 f o W GTV d ue t CFR Part 6 vide a very res from the B and WG T amination le v T B. Additi o inuing char a ontaminatio n udes the Pi p remnant o f nd a small pfrom the Pi p m 10 pCi/g tfrom 0-1.2 7 cm. a l wall and f all sump is p i cated by el e 27 cm) of th i/g with an a 27cm - 2.5 4 h e 0 - 1.27 c m walls. unrestricted c riteria of 2 C rosse Ope numing that c acterization t ent and co n ition criteri a ete structur e just outside ous compo nWGTV. T h o ot elevatio n t o access re s 61 samples r ough estim asumps indi c TV, respect i v els in the W onal survey s a cterization a n levels to s p ing and V f the four fo o it in the Tu r p ing and Ve n t o 20 pCi/g 7 cm. Mini m f loor surfac e p resent wit h e vated surv e he three core a verage of 1 2 4 cm were m m slices. T huse crite mR/hr per n Air Demo l contaminati osamples li k n centrations a will not e with 14 fe eof the WT B n ents for d h e vault flo o n. strictions an d collected f r a te of potent i c ate Cs-137 ively. By si m WGTV coul s and/or cor e after all tan k s upport rem e V entilation ot thick Ch i r bine Buildi n n tilation Tu n with an ave mal activity n e area of 10 2 h a floor ele v ey measure m s analyzed b 2,003 pCi/g.

m uch lower he majority oria. The i Energy Sol u lition Limits o n is prese n kely identifi eof contami n be known e t high wall B. The gas d drying, filt e o r is at 621 d low expec t rom liquid i ial contami n concentrati o m ple ratio o d be in the r e samples w k s and equi p e diation pla n Tunnel, R e imney foun d n g. n nel. The C s rage of 15 p near or belo w 2 m 2. vation ments. b y the The with of the i nitial utions (14). n t in a ed the nation until s and d ecay e ring, foot tation n the nation o ns of of the range w ill be pment n ning eactor dation s-137 p Ci/g. w the La Cros s License T Revisio n Cores w esump an dsmall arcontinui n The rem n b ecause i four foo t potential 6.10.2.B The BF M the "rea s therefor e The foll oDire cInha lInge sInge sDire c b rou gDire c surfa The agrimilk, gr aB 6.11.6.11.1.B The BF Mscreenin gassumed dose mo resistancThe fill vactivity m b elow t hfill volu m with wa t elevatio n The sur fa s e Boiling W Termination n 0 e re not coll d pit due to t eas. Additi o n g character i nant of the it is the low t thick fou nfor contam i B FM Expos u M includes t onably fore s e the industr i o wing expos u c t exposure t l ation of air b s tion of con c s tion of wat e c t exposure, g ht to the su r c t exposure, ce b y excav acultural an d a in and vege t B FM Insitu S B FM Insitu G M Insitu gr o g approach. to release a n deling assu me to water fl volume int o m oves fro m e average w m e in the R e t er continuo u n s at 618 fo o fa ce areas be W ater Reacto r Plan ected in th e t he low exp e o nal concre t ization in th e Chimney f oest one foot n dation slab i nation to m i ure Pathwa y t wo exposu r s eeable" fut u i al worker.

u re pathwa y to external r a b orne radioa c crete or fill m er from onsi t inhalation d rface durin g inhalation d ation. d gardening table ingesti Scenario Groundwa t o undwater (One hundre d n d instantly m ing that t h ow, i.e., are o which the m the concr e water table e l eactor Base m usly for the o t, the rem a e low 619 fo o r e Reactor P l e ctation of s i t e cores a n ese areas to oundation s l portion of a is expecte d i grate three f y s r e scenarios, u re land use y s are applic a a diation in "c tivity in "a s material in "te well, d ose and ing e g installation d ose and ing e pathways a on pathway s t er Scenari o (BFM Insit u d percent o fmix with t h he source t e not present.

released ac t ete surface i l evation of 6 m ent b elow 6full yea r. W a ining End S o t in the thr e 6-22 l ant/Ventila t i gnificant c o n d/or dose r support FR S lab has a v e a solid four f d to contai n f eet into the Insitu and at the LAC a ble to the B"as left" En d s left" End S"as left" En d e stion dose f of the onsit e e stion dose f a re not appl i s are theref o o u gw) concep f the invent o h e fill mater i erm is in th e t ivity mixe s into the fill.

6 19 foot. M i 6 19 foot b e c W ith the e x State basem e ee sumps ar t ion Plant a o ntaminatio n r ate survey s S classificat i ery low pot e foot slab. T h n minimal csoli d concr e Excavation.BWR site i s B FM scenari d State geom State geome t d State geo m from conta me well into t h from concre t icable to in d o re not inclu d ptual model o ry in the ba c ial. RESRA D e fill and t h s is proporti A portion i xing is ass u cause the fi l x ception of t ent floors a r r e insignific a area or the T n being pres e s will be p i on and plan n ential of be i he top surfa c contaminati o ete slab is v

e. As discuss s industrial a i os: etry (neglig i t ry (negligib metry (neglig i m inated drill i he fill mate r te that is br o dustrial lan d d ed. is based o n c kfilled bas e D is then us e hat the stru c i onal to the of the Rea c umed to occ u l l is assume d three small s re above 6 1 a nt (less tha n Turbine Bu i e nt and thei r p erformed d ning. ing contami n c e of the ex i o n levels an e ry low.

s ed in secti o a nd the AM C ible), le), ible), i ng spoils r ial, an d o ught to the d use. The m n a conser v ement conc r e d to perfor m c tures provi ddistance th a c tor Basem e ur over the e d to be in c o sumps with 1 9 foot elev a n 1% of th e ilding r very during n ated isting d the on 6.4 C G is m eat, vative rete is m the d e no at the e nt is entire o ntact floor a tion. e total La Cros s License T Revisio n backfille purpose oThe mix i more un c foot, co n rainwate r address t BFM c o depende n provide dThe fill mvolume. highest d resulted basemen t caused t hfrom the Based o n Reactor Bassumed The RE Simporta ntypically and run o required Mississi p unsatura t The vert irate is d e the 619 f change i s b y forci n below fo The use periods oFull res o unsatura t not justi f As liste dlicense t e was run group. s e Boiling W Termination n 0 d basement of fill mixin g i ng distanc e certain than ntact with w r infiltratio n t his uncertai o nceptual m n ce of dos e d in Referen c m ixing dist aFor the Re a d ose. For t h in the hig h t s because t h e RESRA D walls. This n the result s B uilding, a bfor all othe r S RAD non-d nt paramete rdetermine d off coefficie nfor LACB ppi River a t ed zone.

i cal water fl o e fined by th e f oot average s used to co n g the infil tr a descripti o of 3.05 m/of increase a o lution of t t ed zone wo u f ied given t h d in Table 6-e rmination. separately f W ater Reacto r Plan surface are a g assumptio n e into the fi l leaching in t water is the n, as oppos e nty in a ma n m odel, a s i e on the m i ce 8. nces evalua t actor Buildi n he remainin g hest dose.

T t he source t D Length Pa rreduced the s of the sen b ove and b e r basements/d ispersion g r r is the vert i d by the inf i nt paramete r WR due t o a nd the res u ow rate is c o e distance t h water table nservativel y t ration rate t o n of the m e/yr is cons e and decreas e t he actual w u ld r equire d e b ounding/1, there are Due to dif fe f or the Rea c r a) and are i n n s. ll after leac h t o the Reac tresult of p e e d to conti n n ner consist imple sensi t i xing distan t ed ranged fr n g above 6 1 g basement s T he Reactor erm is enti r rallel to Flomodeled w esitivity ana l e low 619 fo o/structures.

r oundwater i cal flow r a i ltration rat e r s. A differ e o the site g u lting seas o o nservativel hat water re celevation (1 y bound the t o be 3.05 m e thod used t o ervative be c e , as well as w ater flow d etailed gro u screening a p portions of ferences in c ctor Buildi n 6-23 ncluded wi t hing from fl o tor Building eriodic flus h n ual contact ent with th e tivity anal y ce. The m fr om 2.54 c m 1 9 foot an a s s the nomi n Building a r ely on the ww paramete r e ll water co n lysis, full m o t, and a 2.

5 model is u s a te of water e as defined e nt approac h g roundwate r o nal water y modeled i cedes from t h 0 ft or 3.05 m net flow of m/y. See E q o assign a 3.ause the s ea horizont a pattern du r undwater tr a p proach use deight struct u c onfiguratio n n g, WTB, W t h the base m oor and wa l fill volum e hing from swith wate r e screening a y sis was c o m ixing volu m m to full mi x ssumption o nal minimu m a bove 619 f walls of a r r to be corr e n centrations.

m ixing with t 54 cm mixi n sed in the B through th e by the pre c h to defini n r being hy dlevel fluct u in RESRAD h e seasonal m). This se awater to th e q uation 1 a n 05 m/yr inf i easonal wat e a l compone n r ing the se a a nsport and d d to develop u res that wi l n and conta m W GTV, and m ents above ll surfaces a e below 619 seasonal w a r in the sat u a pproach us e o nducted t o m e sensitiv i x ing throug h of full mixi n m mixing d foot differe d r ight circul a elated to th

e. t he fill was ng distance B FM Insitu g w e unsaturat e c ipitation, e v n g the verti c d raulically c uation into D by assumi n high elevat i a sonal 3.05 m e saturated z n d corresp o iltration rate er level flu c nt, that are n a sonal fluc t d ispersion m the BFM c o ll be backfil l m ination p othe "Rema i 619 foot f o a bove 619 f o foot. Abov e ater level ri s u rated zone

.e d to devel o o determin e ity calculati h out the enti r n g resulted i d epth of 2.5 4 d from the ar cylinder w e mixing di s assumed f ointo the fil l w assessme n e d zone wh i v apotranspi r c al flow rat e c onnected t o and out o n g that the a n i on of 629 f o m water ele v z one in RES o nding disc u in RESRA D ctuation in c n ot accounte d tuations int o m odeling wh o nceptual m o led and rem a o tential, the i ning Struc t or the o ot is e 619 se, or . To o p the e the on is r e fill i n the 4 cm other w hich stance or the l was n t. An ich is ration e was o the f the n nual o ot to vation RAD u ssion D. c ludes d for. o the ich is o del. a in at BFM tures" La Cros s License T Revisio n 6.11.1.1.RESRA D for each concentr a that a u n of licen s depende n can be d eper mCi t the DSR BFM In s 6.11.1.2.An unc ecalculati oparamet e soil DC G The par a BFM In s The aff e Thickne s and Frac t The unc above 6 Remaini nfive BF M"Variabl e structure The sele c the BF M Insitu gw Mississi p indicate f 619 foo texample , to be ob s 10 feet (3 The sea s Insitu gw approac h and uns a rise abo v unsatura t s e Boiling W Termination n 0 BFM D was used t radionuclid e a tions to de t nit source te r se terminati o nt on the mi e scribed as p t otal activit y by the pCi

/s itu gw DFs a s BFM e rtainty ana l o n of DSR e rs for the B F G L uncertai n ameter set d e s itu gw analy s e cted RESR A s s of Conta m tion of Con t ert a inty an a 19 foot ele v n g Structure M Insitu gw u e" in Attac hs. c tion of the P M Insitu gw R Econceptual m ppi river an d f luctuations

t. However, , it is know n served in th e 3.05 m) abo v s onal water dose asses s h. The seaso n aturated zon e v e the 619 f o t ed zone.

W ater Reacto r Plan Insitu gw Co m t o develop D e in the initi termine BF M rm of 1 pCi o n which w xing distan c pCi/g in fill p y in concret e/g per mCi v s detailed in Insitu gw RE S l ysis was p e s for the B F M Insitu gw nty analysis (e veloped to s is with cha n AD geomet r m inated Zon eaminated Z o alysis was p v ation, Re as resulting i n uncertainty a hment 6-2 w Precipitatio n ESRAD mo d m odel assu m d fluctuates that are up the river s n that water e Piping an d ve the avera gtable rise m sment but n al water ri s e is the aver a o ot results i n r m putation M D ose to Sou ral suite. Th e M Insitu gw D total invent o was instantl y c e as discus s p e r total pC i e , were then v alue. Exce l Reference 8 SRAD Unc e erformed to BFM Insitu g RESRAD u (see process perform the nges to acc o ry paramet e e , Length P a o ne b elow t h performed f actor Buildi n n five separ a a nalyses are w ere assign e n, Evapotra n d el requires a m es that th eseasonally ito five feet s tage does n level seaso n d Ventilatio n g e water tab m ust be ac c does not p s e was addr e a ge water ta b n water peri o 6-24 M odel rce Ratios (D e DSRs wer eFs. The fill ory was pre s y released a n s ed above.

T i in concret ecalculated b l spreadshe e 8. e rtainty Ana l select det e g w model. T uncertainty aflowchart i n soil DCG L o unt for the e rs are Cov e a rallel to Aq u h e Water Ta b f or five str u ng below 6 a te uncertai n listed in A e d the value s nspiration R a a dditional e x e onsite gro u n to the uns a higher than not precisel y n ally rises t o n Tunnels w i le elevation

.c ounted for precisely fit essed by ass u ble elevatio n odically ent e D SRs), wit h e used in coconcentrati o s ent in the b nd mixed w The fill con c e. BFM Insi t by convertin g e t calculatio n lysis for Ini t erministic R T he proces s analysis was n Figure 6-7

)L uncertaint y geometries e r Depth, A uifer Flow, U b le. ucture confi 6 19 foot el e nty analyses Attachment 6 s shown in a te, and Ru n x planation.

A u ndwater is aturated zon the averag e y represent o an elevati o i th a floor a

t. in the con cthe RES R uming that t n of 619 fo o e ring backf i h units of m r njunction w o ns were cal basement co n w ith a volu m centration t h t u gw DFs, in g pCi to mC n s were use d tial Suite R ESRAD p a s for deter mthe same a s). y analysis is of the b ac k Area of Co n U nsaturate d i gurations; R e vation, W T. The para m 6-2. The pa r Table 6-8 f noff Coeffici A s discusse d s in commu n n e. River sta g e site water t site water o n sufficien t a t 629 foot e ceptual mo d R AD groun d t he boundar y o t. The seas o illed structu r rem/yr per p w ith calculat eculated ass u n crete at th e me of fill t h h en has unitunits of mr e i and multi p d to calcula t arameters f o m ining the s that used f oapplicable t kfilled struc t n taminated Z d Zone Thic k Reactor Bu i T B, WTGV , m eters used f o rameters list f or the resp eent paramet e d above, the nication wi t ge measure m table elevati table levels tly high for w levation wh i del for the dwater mo d y of the sat u onal 3.05 m w r es that are i pCi/g, ed fill uming e time hat is s that em/yr plying te the o r the input o r the t o the t ures. Z one, kness, ilding , and or the ed as e ctive e rs in BFM t h the m ents on of s. For w ater ich is BFM deling urated w ater i n the La Cros s License T Revisio n Table 6-Are a (m 2)Thi c zon e Len g Flo w Uns a Thi c Frac zon e The effe c b y cons e rise repr eprecipita tprecipita tMaximi z radionuc To forc erepresen t setting t h 1 in Re fparamet e W The dist r value of value of Consiste n the initi a radionucanalysis.

s e Boiling W Termination n 0 8 Dete r Anal yParameteCover Depth a of Contamin a ckness of Cont a e (m) gth Parallel to A w (m) aturated Zone ckness (m) tion of conta m e below the wa t ct of the 3.

0 ervatively a s e sents a con tion driven i tion, evapo z ing the in fi lides when t e RESRAD t the infilt r a t he Evapotra n f erence 12, i er. W here: I = I n E = E v R = R P = P r ribution eva l0.25 m/yr (3.05 m/yr s e n t with NU R al suite radio n lides that wThis limit a W ater Reacto r Plan r ministic G e ysis for the f r R A(m) ated Zone aminated Aquifer m inated ter table 05 m season a ssuming tha tstant infiltr a i nfiltration r transpiratio n filtration r a t e t he non-disp e to use a 3.

0 tion rate di r nspiration R a it is seen th a n filtration R a v apotranspi r R unoff Coef f recipitation R luate d in th e (the actual p elected to re p R EG-1757 g n uclides are w ere greate r a tion was n r eometr y R E five BFM I n R x Buildin g Above 619' 0.91 262.68 5.18 18.29 1E-10 0 a l flushing h t the distan c ation rate of r ate at the L A n and runo e maximize e rsion grou n 05 m/yr inf i r ectly by as s a te and Run o at this will r ate (m/yr) r ation Coef fi ficient (dim e Rate (m/yr) e sensitivity precipitation present the s g uidance, th epresent at t h r than 0.1%ecessary to 6-25 E SRAD Par a n situ gw ConRx Buildi n Below 61 96.10 182.41 0.75 15.24 0 1 height is ac c ce that the w3.05 m/yr.

T A CBWR sitff coefficie n s the well ndwater mo d iltration rat e s igning 3.05 off Coeffici e result in an i ficient (dime e nsionless) analysis wa sdriven infi l seasonal wat e uncertaint y heir mixture

% of the mi xresult in p r ameters us e fi g urations ng 9' WT B2.72101.9 00.025 46.103.35 0 c ounted for i water recede s T his is cons e t e which is 0 nt in the S water conc e del is select e e, the preci p m/yr to th e ent paramet e infiltration r nsionless) s a uniform ltration rate ter table flu c y analysis w e fractions a s xture were ractical RE S e d in the U n B WGTV 5.46 0 460.04 4 0.0254 9.75 0.61 0 i n the BFM s after the s e rvative rel a 0.25 m/yr (a s S oil DCGL e ntrations f o ed in RESR A p itation par a e precipitati o ers to zero.

F rate equal to distribution at the site) c tuation. w as perfor m s listed in T aincluded i n SRAD run n certaint y Remainin gStructure s2.4 667.26 0.0254 38.10 3.67 0 Insitu gw sc e seasonal (3.

0 ative to the a s calculated parameter o r all signi f AD. ameter is us on paramete From Equat i the precipi t Equatio nwith a min iand a max i med assumin g a ble 6-3. On l n the uncer ttimes. Ho w g s e nario 05 m) actual from set). ficant ed to e r and i on 6-tation n 6-1 imum imum g that l y the tainty w ever, La Cros s License T Revisio nincludin gthat all s e The RE S 14 prov iparamet e 10 to 6-1 The par a generate not cont distribut iThe ma jcorrelati ocorrelate threshol d negative scenario of radio afor the n conserv aassigned Figure 6 shown t o The Kd v not incl u listed in R and pro v attributa b 6.11.1.3.As discu the Rea c Structur edetermi n 9 to 6-1 4 changed The RE S DSRs ar e 6.11.1.4.

The BF M Insitu gw D and Bel o Table6-1 s e Boiling W Termination n 0 g all radion u e nsitive par a SRAD Unce r ide summa r e rs. Table 6-9 4 provide t h ameter distri bthe median

,ain values i on was use d j ority of t h o n between d). The p d and each correlation is through t h activity in th e non-sensitiv e atively assig nas indicate d-7 but this o be only sli g v alues selec t uded in the u R eference 1 vides consist e b le to the re m BFM s sed above, ctor Buildi n es. The para m n istic values 4 replacing t h from 0.2 to S RAD Unce r e provided i n BFM M Insitu gw D DFs are list e o w 619 foo t 6.W ater Reacto r Plan u clides with ameters will rtainty Repo ries of the 9 provides t h h e radionucl i b utions for t h , 25 th and 7 5 f or Europi u d. he uncertai n Kd and d oarameters woccurred in with Kd w a h e ingestion e water pha s e radionucl i ned the 25 th d by the PR C will have a ghtly sensiti v t ed for the v uncertainty

4. Using th e e ncy in det e m oved radi o Insitu gw RE Sthe BFM In n g (above meters prov i in Tables 6-he paramete r 0.066 to be c rtainty Rep o n Table 6-1 5 Insitu gw Do s Fs were cal c e d in Table 6 t were sum m r greater tha nbe identifie d rts are prov i uncertaint y he results fo ide specific K he site-spec i 5 th percentil um; the 25 t h nty analysis o se (i.e., 3 0 w ith positiv only one o as expected s of well wat s e at equilib r i des that w epercentile v CC results ivery mino r ve. v ery low a bu analysis w e e 25 th perce n ermining the nuclides.

SRAD Dete r s itu gw RES Rand below ided in Atta c 8 replacing t r distributio n consistent w orts are pro v 5. se Factors c ulated by E 6-16. Note t h m ed in Ref e 6-26 n 0.1% of t h d. ided electro n y analysis r r the non-ra d Kd results f o ific soil typ ee determini s h percentileresults th a 0 of the 3 4 e correlati o of the three since the pr i er and lowe r rium. There f e re include d values from R in order to fo r , if any, e f u ndance (<0 e re also assi g ntiles for all insignifica n rministic A n R AD dose a s619' elev a chment 6-2 w t he "variabl e n s. The Co n w ith the unsa v ided electr o E xcel spread s hat the DFs e rence 8 to he mixture n ically with r esults wit h dionuclide s o r each of t h e of sand fro m stic values.

Nfrom the N at were se n 4 sensitive o ns were o nuncertainty imary dose p r Kd values f ore, the det e d in the un c Reference 1 follow the p a f fect on dos e.1%) initial g ned the 2 5initial suite n t dose cont r n alysis and D ssessments w ation), WT B w ere applie d e" paramete r n taminated Z a turated and o nically wit h sheet in Re ffor the Rea cdetermine t fraction pr o Reference 8 h the selec t specific para he basement sm Referenc e N ote that R NUREG-66 9 nsitive indi cparameters n ly slightly runs. The p pathway in tresult in a g erministic K certainty a n4. The 75t h arameter se l e since the suite radio n 5 th percentil e radionuclid e r ibutors and DSR Result s w ere perfor m B, WGTV d to all five rs and the v a Zone Field Csaturated z o h Reference ference 8. T h ctor Buildin g the Reactor o vides confi

d. Tables 6-9 ted determi nmeters. Tab l s evaluate d.e 14 were u s Reference 14 9 7 Kd para m cated a ne g were nega tabove the p redomina n t he BFM In s greater perce n K d values se l nalysis wer e h percentiles l ection proc eparameters n uclides that e values for e s is conser v the dose fr a s m ed separate l and Rem aanalyses wi t a lues in Tab l C apacity wa s one. 8. The res u he resulting g Above 61 9Building D d ence 9 to 6-nistic l es 6-s ed to does m eter gative tively 0.25 nce of s itu gw ntage lected e also were e ss in were were sand vative action l y for a ining th the l es 6-s also ulting BFM 9 foot Fs in La Cr o Licen s Revis i . o sse Boiling W a se Termination P i on 0 Table 6- Note 1: Positive conceptual mod e Note 2: Negativ eNote 3: Site-spe cwc.usace.army.

m Note 4: The pre cother basements.

Par a Cover Erosion RContaminated zContaminated zWind Speed (N Precipitation Saturated zone bWell pump int aWell Pumping RUnsaturated zo n Mass loading f oIndoor dust filt rExternal gamm aDepth of Soil M a ter Reacto r P lan -9 Results ocorrelation with d o e l. e correlation with d cific wind speed d a mil/projects/Lock4.

cipitation paramete r ameter R ate zone erosion rate zone b paramete r Note 3) b parameter ake depth R ate ne b paramete r o r inhalation ration facto r a shielding facto r M ixing Laye r of RESRAD U n ose. Maximum site

-dose. Minimum sit e ata used (US Army shtml) r was not sensitive Reactor BuildingAbove 61 9Percentile V a 75 t h 0.0median 0.0median 0.925th 3.3Note 4 3.0median 0.9Note 2 6.0median 98 6median 0.9median 2.3median 0.5median 0.2median 0.2 n certaint y An a-specific value bas e-specific value us eCorps of Enginee rfor the Reactor B u 9 Re a Bui l Belo w alue Percentil e 0029 75 t h 0015 75 t h 97 median 3 median 05 Note 4 97 median 08 Note 2 6.1 median 97 median 35E-5 median 55 25 t h 27 median 23 median 6-27 a l ysis for BFM Ied on seasonal wa t ed for conservatis m rs, Mississippi Riv e u ilding Above and B actor l din g w 619 e Value Perc0.0029 75 t h0.0029 med i0.97 med i6.8 75th3.05 N ote 0.97 med i6.08 N ote 986.1 med i0.97 med i2.35E-5 med i0.35 med i0.27 med i0.23 med i I nsitu gw and S ter rise value (3.05 m er Lock and Damn Below 619 foot. T h WTB 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 S elected Deter mm) used for conse r4, Alma WI, Web he 3.05 m/yr rate w WGTV Percentile Va lmedian 0.0 0median 0.0 0median 0.9 7median 6.8Note 1 3.0 525th 0.8 4Note 2 6.0 8median 98 6median 0.9 7median 2.3 5median 0.5 5median 0.2 7median 0.2 3 ministic Param e rvatism and linkagaddress http://w w was applied for co n Rem a Stru c lue Percentile 015 75 t h 015 median 7 median 75th 5 Note 1 4 median 8 Note 2 6.1 75 t h 7 median 5E-5 median 5 median 7 median 3 median e ters e to ww.mvp-nsistency with the a inin g 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 B License Te r Revision 0 Tab Ra d H-3 C-1 Fe-Ni-Co-Ni-Sr-9 Cs-Eu-Eu-Pu- Tab Ra d H-3 C-1 Fe-5Ni-5 Co-Ni-6 Sr-9 Cs-Eu-Eu-Pu-2 Boiling Wat e rmination Pl a le 6-10 B f o dionuclide K 3 1 4 59 63 9 0 -137 -152 -154 -241 le 6-11 B f o dionuclide K 3 4 5 5 5 9 60 6 3 9 0 137 152 154 241 e r Reacto r a n B FM Insitu g o r Distribu t Kd in Conta m25th NS NS NS NS NS 25th 25th NS 75th NS B FM Insitu g o r Distribu t Kd in Contam iNS NS NS NS NS NS 25th 25th NS NS NS g w Rx Build i tion Coeffic minated Zone 0.05 1.8 38 147 9 147 5 50 95 7302 173 g w Rx Build i tion Coeffic inated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 6-28 i n g above 6 1 ients (Kd)

Kd in Uns aNS 25th NS NS NS NS NS NS NS NS NS i n g below 6 1 ients (Kd) Kd in Unsat uNA NA NA NA NA NA NA NA NA NA NA 1 9: Uncert a aturated Zone0.05 1.8 38 147 9 147 5 50 95 95 173 1 9 Uncerta i urated Zone NA NA NA NA NA NA NA NA NA NA NA a int y Anal ys e Kd in Sat uNS NS NS NS NS NS 25th 25th NS NS NS i nt y Anal y s iKd in Sat uNS NS NS NS NS NS 25th 25th NS NS NS s is Results urated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 i s Results urated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 La Crosse B License Te r Revision 0 T Ra dH-3 C-1 4 Fe-5Ni-5 Co-6Ni-6 Sr-9 Cs-1 Eu-1 Eu-1 Pu-2 T Ra d H-3 C-1 Fe-Ni-Co-Ni-Sr-9 Cs-Eu-Eu-Pu- Boiling Wat e rmination Pl a T able 6-12 dionuclide K 4 5 5 5 9 6 0 6 3 0 137 152 154 241 T able 6-13 dionuclide K 3 1 4 55 59 -60 63 9 0 137 -152 -154 241 e r Reacto r a n BFM Distr i Kd in Contam iNS NS NS NS NS NS 25th NS NS NS NS BFM Distr i Kd in Conta mNS NS NS NS NS 25th 25th NS NS 25 t h NS Insitu gw W i bution Co e inated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 Insitu gw W i bution Co e minated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 6-29 TB Uncert a efficients (KKd in Unsa tNS NS NS NS NS NS 25th 25th NS NS NS GTV Unce r efficients (KKd in Unsa t 75 t h NS 75th 75 t h NS NS 25th 25th NS NS NS a int y Anal y K d) turated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 r taint y An a K d) turated Zone 0.09 1.8 1279 1110 9 147 5 50 95 95 173 y sis Results fKd in Satu rNS NS NS 25th NS NS 25th 25th NS NS NS a l y sis Resul tKd in Sat uNS NS NS NS 25 t h 75 t h 25th 25th NS NS NS f or rated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 t s for urated Zone 0.05 1.8 38 147 9 1110 5 50 95 95 173 La Crosse B License Te r Revision 0 Ta bRad iH-3 C-1 4 Fe-5 5Ni-5 9 Co-6Ni-6 3 Sr-9 0 Cs-1 3 Eu-1 Eu-1 Pu-2 4 Note 1: Incon s Boiling Wat e rmination Pl a b le 6-14 B f o ionuclide 4 5 9 0 3 0 3 7 52 54 4 1 sistent uncerta i e r Reacto r a n B FM Insitu g o r Distribu tKd in Conta mNS NS NS NS NS NS NS NS NS NS NS inty results wi t g w Remaini n tion Coeffic minated Zone0.05 1.8 38 147 9 147 5 50 95 95 173 th PRCC valu e 6-30 ng Structur e ients (Kd)

Kd in Uns aNS NS 75 th , 25 t h(Note 1) NS NS NS 25th 25th NS NS NS es only slightl y e s Uncertai n aturated Zon e0.05 1.8 38 147 9 147 5 50 95 95 173 y above 0.25 c r n t y Anal y si e Kd in Sat uNS NS NS NS 25th NS 25th 25th NS NS 25 t h riteria. 25th p e r s Results urated Zone 0.05 1.8 38 147 9 147 5 50 95 95 173 rcentile value w w as used.

La Cr o Licen s Revis i o sse Boiling W a se Termination P i on 0 a ter Reacto r P lan T able 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 B FM Insitu gw D Rx 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 D SRs for Reac t Rx Buildi nBelow 61 9 (mrem/y r p pCi/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-02 6-31 t or Buildin g , W ng 9' er WT BExcavatio n Fact o (mrem/yr pCi/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-W TB, WGTV, a B n Dose or r per g) W GExcava F a (mre m p C06 1.2 304 2.9 313 0.0 006 2.1 504 2.4 107 5.2 602 2.2 004 2.4 004 2.4 904 9.5 808 1.6 810 9.1 916 1.7 203 1.6 402 3.0 802 3.0 604 3.5 803 1.3 502 1.6 406 1.3 705 4.3 6 and Remainin g GTV ation Dose actor m/yr per C i/g) R SExc a (m 3 E-05 4 3 E-04 1 0 E+00 1 5 E-06 2 1 E-03 4 6 E-07 7 0 E-02 3 0 E-04 2 9 E-04 7 8 E-04 1 8 E-05 7 9 E-06 4 2 E-07 4 4 E-02 1 8 E-02 3 6 E-02 3 8 E-04 2 5 E-02 5 4 E-02 1 7 E-05 7 6 E-05 3 g Structures Remainin g 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 B License Te r Revision 0 R a H-3 C-1 Fe-Ni-Co-Ni-Sr-9 Nb-Tc-Cs-Eu-Eu-Eu-Pu-Pu-Pu-Pu-A m A m C m C m Boiling Wat e rmination Pl a adionuclide 3 1 4 59 63 9 0 99 -137 -152 -154 -155 -238 -239 -240 -241 m-241 m-243 m-243 m-244 e r Reacto r a n Tabl eRx BuildiBFM Insitu g (mrem/y r p mCi) 4.44E-0 31.02E-0 12.37E-0 32.50E-0 44.74E-0 16.80E-0 44.91E+0 06.36E-0 21.03E-0 11.71E-0 11.13E-0 21.61E-0 22.52E-0 33.20E+0 03.59E+0 03.58E+0 06.88E-0 21.93E+0 01.94E+0 04.74E-0 13.79E-0 1 e 6-16 B F n g g w DF p er BF M D o (m r 3 1 1 4 3 1 4 4 1 6 4 2 0 2 2 5 1 2 1 4 2 3 2 3 3 9 0 5 0 6 0 6 2 2 0 1 0 3 1 1 1 6 6-32 F M Insitu gwWTB M Insitu gw DF ose Factor r em/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 Fact o WGT VBFM Insit u (mrem/y r 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 o rs V u gw DF per R S t BF M (m r 0 4 1 0 2 4 0 0 5 0 4 7 0 1 1 0 5 2 0 0 1 0 2 8 0 2 2 0 2 5 0 4 2 0 4 1 0 6 1 0 1 6 0 0 1 0 0 1 0 2 6 0 1 1 0 1 5 0 4 2 0 3 1emainin g tructures M Insitu gw DF r em/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 Cros s License T Revisio n 6.11.2.B The BF M pathway s b e brou g concrete.residual which i n scenario assumin gmrem/yr There ar e of slurry would li k construc t b eing br o The wel lis met a n capture 1 b orehole b orehole depth of are unif o The dos e DCGLs a DCGLs Summar y The AF s RESRA DB 6.12.The BF M and the c decay. T concept umixing d BFM Ex c Due to dcalculat esame ma The BF M listed in T s e Boiling W Termination n 0 B FM Insitu D M Insitu Dr i s listed in s e g ht to the su

r. The drille rradioactivit y ncludes the f is the resi d g no decay per total m C e a number o pits, tanks, k ely involve tion. As a c o ught to the l is assumed n d drilling s 1 00 percent area. The diameter a n3 feet in or d ormly mixed e from the c i and AFs. T and the sp o y Reports ar s and BFM D results. T h B FM Excav a M Excavatio n concrete spr e T he calcula t ual model th d uring exca v c avation D F differences i n d separatel y nner as was M Excavati o Table 6-18.

W ater Reacto r Plan D rillin g Sp o illing Spoil s e ction 1. T h r face during r is assum e y in the co n fill material d ual radioac t or release t C i. of ways that and dumpin g additional d conservativ esurface.

to be drille d stopped. T h of the rem avolume of s n d depth of d der to mini m and spread o ircular area a T he AFs we r o ils spread e provided e Insitu ds D F he BFM Insi t a tion Scena r n scenario a s ead on the s u tion of allo wat the aver a v ation will Fs in units o f n configurat i y for the Re a done for th e o n DFs are c r oils Scenari s (BFM Ins i he dose fro mthe installa t e d to be un a ncrete surfa cabove the s t tivity remai n to the fill.

Tinstallers h a g the drillin g d ilution by r e assumptio n d into the b a he extent of aining resi d spoil materi d rilling whi c mize the mi x o ver a circu l at the surfa c r e calculate darea whic h e lectronicall y F s were cal c t u ds DFs are r io ssumes that u rface imm e w able total a ge radionu cnot exceed f mrem/yr p e i on and con t actor Buildi n e BFM Insit u calculated b y 6-33 o and DF C i tu ds) scena r m residual r a t ion of a we l a ware that t c es is broug h t ructure flo o n ing in co n T he BFM I n a ndle and di s g spoils on t refilling the p n , no diluti o asement fill d drilling int o d ual radioac t al brought t c h is conser v xing volume l ar area on t h c e was calc u d using the d h was deter m y with Refe r culated by Elisted in Ta bsome or all o e diately afte rmCi is d r c lide concen t the surface er total mCi.

tamination p n g, WTB, W u assessmen t y Excel spr e C alculation rio addresse a dioactivity i ll that randothe backfill h t to the su r o r. The sour c n crete at the n situ ds DFs s pose of dri l the existing s p it with the o n of the sp o down to the o concrete i s tivity in the t o the surfa c vatively ass ufor all base m h e ground s u ulated by R E deterministi c m ined to b r ence 8. E xcel sprea d b le 6-17. of the back f r license te r riven by th e trations in t h soil DCG L potential, th e WGTV, and ts. eadsheet in s one of th e i n the concr e omly hits ba ced structur e r face with t h ce term for time of li c are calcula t lling spoils, surface soil smaterial ex c oil material e concrete fl o s assumed t o concrete s u ce is calcul a umed to be ments. The u rface to a d E SRAD usin c paramete r s b e 0.457 m 2 dsheet in R e filled struct u rmination ta k e baseline l he concrete L s. The ass e e BFM Exc a Remaining Reference 8 e BFM exp e te is assu m c kfilled stru c e is present

.he drilling s the BFM I n cense termi n t ed with un i including t h s. The use o cavated duri nis assumed o or where r e o be suffici e u rface with i a ted based othe minimu m concrete a n d epth of 0.1 5g the surfac s applied fo

2. The RES eference 8 u u res are exca v k ing no cre d limitation i nafter inadv e essment pro a vation DFs Structures i 8. The resul t osure m ed to ctural . The s poils n situds n ation its of he use of pits n g its after efusal e nt to in the o n the m fill n d fill 5 m. e soil or soil RAD u sing v ated dit for n the ertent o vides were i n the t s are La Cros s License T Revisio n R s e Boiling W Termination n 0 T Radionuclide 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 W ater Reacto r Plan T able 6-17 BFM Ins iReact o Buildi n (mrem/yr mCi) 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 Ins i i tu ds o r ng r per B F (m r 0 9 7 0 8 1 0 9 2 0 9 1 0 1 1 0 9 3 0 4 2 0 2 7 0 7 3 0 2 2 0 2 5 0 2 5 0 3 1 0 4 1 0 4 1 0 4 1 0 5 1 0 4 6 0 3 9 0 3 5 0 5 6 6-34 i tu Drillin g FM Insitu ds WTB r em/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 Dos eBFM In s WGT V (mrem/yr mCi)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-0 e Factors s itu ds V r per ) B I n Re m St r (m pe 08 8.0 08 1.4 08 2.7 09 1.5 01 1.3 08 3.9 03 2.3 01 8.9 06 3.4 01 3.1 01 6.1 01 6.5 02 2.2 04 1.2 04 1.3 04 1.3 05 1.8 03 7.7 02 1.0 02 6.6 04 7.6 B FM n situ ds mainin g ructures m rem/y r 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 Cros s License T Revisio n Ra d E E E A A C CI n 6.13.NUREG-criterion applies t insignifi cidentifie s The radi o the ROC DCGLs.

the soil Dfrom fu rmrem/yr s e Boiling W Termination n 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 n si g nifican t-1757, secti o (i.e., 2.5 m r t o the sum o c ant. This s e s the radion u onuclides r

e. The ROC The dose f D CGLs an d r ther detaile dose criteri a W ater Reacto r Plan Table 6Rx BuildinExcavation D Factor (mre mper 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 Cont o n 3.3 state s rem/yr) are c of the dose e ction provi d u clides that c emaining af tlist is deter m f rom the re m d BFM DFs d evaluatio n a. r 6-18 BF M g D ose m/y r W Exc a Dos e (mre m m 4.8 3.8 2.5 1.02.0 2.7 3.91.2 1.34.59.19.9 2.3 1.5 1.7 1.7 7.0 2.31.4 9.0 9.6 ributors an s that radion u considered t ocontributio d es the asses c an be desig n t e r the rem o mined for c o moved insig nfor the RO n s during F 6-35 M Excavati o W TB avation e Factor m/yr per mCi) F 88E-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 Radionu c u clides con t o be "insig nns from th esment of do s nated as ins i o val of insig o ncrete usin g n ificant con tC. The in s F RS and de m o n Dose Fac WGTV Excavation D Factor (mre mper 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-02 c lides of Co n t ributing no nificant cont r e aggregate se contribut i ignificant d o g nificant co n g the BFM D tributors w a significant c monstration tors D ose m/y r Re m Str uExc aDose (mre m m8.1 86.4 74.3 01.6 93.4 24.66.6 62.1 72.1 87.5 41.5 41.6 63.9 02.5 92.8 82.8 71.1 93.9 62.3 41.51.6 n cern greater tha n r ibutors".

T of radionu c ions from t h o se contribu t n tributors w e DFs and for s a s accounte d ontributors of compli a mainin g ucture avation Factor m/yr per mCi) 8 E-06 7 E-06 0 E-06 9 E-06 2 E+00 1E-06 6 E-03 7 E+00 8 E-02 4 E-01 4 E+00 6 E+00 0 E-02 9 E-02 8 E-02 7 E-02 9 E-03 6 E-02 4 E-01 1E-01 1E-02 n 10% of th e T he 10% cri t c lides consi d he initial sui t t ors. e re designa t s oil using th d for by adj u will b e exc l a nce with t h e dose terion d ered te and ted as h e soil usting l ude d h e 25 La Cros s License T Revisio n Note th a low. Ass25 mre m was use d or 0.053 qualitati vrepresen t 6.13.1.R The soi l contribu tfinal RO C contribu t The dos ethe thre e insignifi cpercenta g contains the initi a contribu t both are in Table The Tab surface a that ther e to date, remaini n concentr a radionuc to the Mcontami ncontami n reasona bFrom At t contribu t and bas e designat e The data 3 is the mcalculat epositivel y the MD C to HT Dpredomi n s e Boiling W Termination n 0 t S r-90 was uming the r a m/yr criterio n d to calculat e% percent v e reason t h t ed a signifi c R adionuclid e DCGLs a n tions from t h C s and adju s t o r radionuc l e percentag e e BFM scen a c ant contrib u g es attribut a a copies of al suite an d t ors that we rprovided in 6-3 and the le 6-3 mixt u a nd subsurfa c e is minima l LACBWR n g subsurfa c a tions of r lide mixtur e M DC biasin g n ated water n ation, the Rly represent a tachment 6-3 te greater th ement conc r ed as insign ifrom high a m ost repres ed when the H y detected, t C values wh i D radionucl i n ately Cs-1 3 W ater Reacto r Plan included i n a dionuclide

n. When the a e dose perc e of the 25 m h at it was p c ant dose fr a e s of Conce n d BFM D he initial sui t s t the ROCs lides. es for the in i arios; BFM utors remo v a ble to the i n Tables 20 a d the dose re remove d.Attachment second appl ure was ba s ce soil char a l residual radoes not a n c e soil tha tadionuclide s e fractions f o g issues di s that caused R OC and ra d a tive of soil s 3, it is seen t a n 97.28% o r ete are C s i ficant contr i activity core s entative dat a H TD radion then the mix t i ch is conse r i des using 37, decrease s r n the ROC lmixture in T actual soil c h entages, the mrem/yr cri t positively i d action. rn and Ad ju Fs were u s t e radionucl i for the dos e itial suite raInsitu gw , B F v ed was the nsignificant cnd 22 from percentages Two meth o 6-3. The fi ried the actu a s ed on con c a cterization idioactivity i nticipate th e t has not s identified or initial sui t scussed ab oconcrete c o dionuclide m s for FRS pl that for all s of the total d s-137, Co-6 i butors and a s that were u a available.

T u clides are p ture percent r vative. Ho w MDC val u s. 6-36 ist for soil a T able 6-3, t h h aracterizat i S r-90 dose w t erion. S r-9 0 dentified in u sted Soil D s ed in Ref e i des, identif y e percentag e dionuclides FM Insitu ds ,same fo r s o c ontributors Reference 5 attributabl e o ds were us rst method a p al concentra t crete cores b in the impa c in soil. Bas e presence o yet been cin LACB W t e radionucl i ove. Based ontaminatio n mixture deriv anning and i soil and con c dose. Ther e 0 and S r-9 are eliminat e used to calc u T he most ac c positively d e a ges assign e w ever, the a c u es will d e a lthough th e h e S r-90 dos i on data for w as determ i 0 was incl usome conc DCGLs and e rence 5 to y the insign i e attributabl e were calcu l , and BFM E o il and the B were differ 5 which pro v e to the a g sed for the c applied the r a tions of cha r b ut was als o c ted area su r ed on the c h of significa n c haracterize dWR soil, t i des in soil i d on a gen e n would be v ed for the c o implementa t crete scenar i efore, the fi n 0. The r ed from furt h ulate the rad i curate radio n etected. If t h e d to the H T c curacy of t h ecrease as e dose cont r s e fraction w the initial s u i ned to be 2 u ded as a srete sampl eBFM DFs calculate t ificant contr i e to the rem o l ated for so iExcavation.

B FM scena r r ent for eac h v ide the dos g gregate of calculation a a dionuclide r acterizatio n o applied t o r rounding L A h aracterizati nt soil cont a d. Due t o t he direct d s not techni c e ralized ass usimilar to t h o ncrete was t ion. i os, Cs-137, nal ROCs f o remaining r h er detailed i onuclide m inuclide mi x h e HTD rad i T D radionuc l he mixture fthe total ribution was w as 0.009%

o u ite radionu c.06E-02 mr e oil ROC f o e s not beca u t he relative ibutors, sele c o ved insigni f i l and for e a The final l rios but the

h. Attachme n e percentag e the insigni f a nd the resumixture fra c n results.

o soil. Resu l A CBWR in d on survey r e amination i n o the very determinati o c ally feasibl umption th a he source oconsidered Co-60 and S o r LACBW R r adionuclide evaluation.

i xture in Ta b xture fractio n i onuclides a r l ides are bas e fractions ass isample ac t very of the c lides em/yr or the u se it dose c t the ficant ach of ist of dose n t 6-3 e s for ficant ults of c tions l ts of d icate esults n any low o n of e due at the f soil to be Sr-90 R soil s are b le 6-n s are re not ed on i gned tivity, La Cros s License T Revisio n The pot ethe most the adju s The dos e The 2.17 (0.68 m r insignifi c HTD ra d review o concentr atotal sa mthe maxi mmean ac t scenario contribu t that the approac h would a c 6-3. As anot h worst ca score sa mhomoge n1/2 inch, t (see Att ais that e v WTB re s case val u As a c o 2.179% DCGLs a See Tabl of insig n s e Boiling W Termination n 0 e ntial effect limiting in s stment of so e percentage 9% value r e r em/yr) at t h c ant contrib u d ionuclide c o f the charac t a tions of in s m ple activity mum 2.179%tivity of the is 0.787 m r t ors of only insignifica n h values cor r ctually be cl o her example

, s e dose con m ples taken n eously dist r t he worst c a achment 6-3

)ven in this w s ults in an i n u e of 2.179

%o nservative (calculated a nd BFM D es 6-19 to 6ificant cont r T W ater Reacto r Plan of mixture v s ignificant c o il DCGLs a nranged fro m epresents th e h e dose li m utors remai n oncentratio n terization d a s ignificant c up to and e

% value wa s selected co r rem/yr with 0.086% (0.

0 n t radionuc l r esponding t o ser to 0.08 6 , the concre tsequences ain the W T r ibuted over a se dose co n). This resu l w orst case s nsignificant c%. measure, t hfor the Gr o D ose Factors

-23 for the a r ibutor dose able 6-19 S C r v ariability o o ntributor d o nd BFM D o m 0.403% to e hypothetic a mit of 25 m r n constant a s n s will incre a ata over a ra n c ontributor r xceeding a t s calculated f r e samples i sa correspo n 021 mrem/y r l ides woul do 25 mrem/

y 6% than the t e core sam p are from the T B is 1.2E+the entire s u nsequence w l t obviously scenario, th e c ontributor d h e most li m o undwater s c to account adjusted soil percent was S oil DCGL s C ontributo r ROC Co-60 Sr-90 Cs-137 6-37 o n dose is c o ose percent a ose Factors (2.179%. a l dose cont r rem/y r , ass u s activity in c a se linearly w nge of total a radionuclide s total activit y for the WT B s used the d o nding dose p r) (see Atta c d remain a t y r and that t h 2.179% va l p les taken dWTB base m+04 pCi/g.

u rface of the was 155 mreindicates t h e dose base d dose percen t m iting insig n cenario for for the insi g DCGLs an d performed f s for ROC A r Dose Frac t Ad justed S (p C1.25 E6.40 E5.65 E o nservative l age from all (i.e. 2.179

%r ibution of t h uming that t creases. H o with dose u p activity in t h s are below y representi n B Groundwa t o se calculat e p ercentage a chment 6-3)

.t their MD he insignifi c l ue calculat e d uring char a m ent. The Assuming e WTB base m em/yr for th e hat remediat i d on actual c tage of 1.58 7 nificant dos the WTB) gnificant co n d BFM Dos e f or Buried P A d j usted fo r tion Soil DCGLs C i/g) E+01 E+03 E+01 l y accounte d of the scen a% as seen in h e insignifi c the mixture o wever, it is p to 25 mre m he samples, i MDC ove r n g 25 m rem/ter scenario

.ed for the W attributed to

. The realis C values a c ant contrib u e d using the a cterization t average tot a that the a v m ent (101.9 e WTB Exc ion is neces s c ore conce n 7% which i s s e contribut o was used t n tributor do s e Factors. A Pipe. See se c r Insi g nific a d for by ap p a rios evalua tAttachment c ant radionu c fractions ounlikely th a m/yr. Base d it is clear th a r a wide ra n/yr. For exa

m. When the a W TB Ground w the insigni f tic expectat i as concentr a utor dose fr amixture in T t hat represe n a l activity f o v erage activ i m 2) to a de pavation sce n sary but the n trations fro m s below the w or percenta g o adjust th e se (Referen cseparate an a c tion 6-18.

a nt plying t e d to 6-3). clides of the a t the d on a at the n ge of mple, a ctual w ater ficant ion is a tions action Table n t the o r the i ty is pth of n ario. point m the w orst ge of e soil ce 5). alysis La Cros s License T Revisio n C C C CThe mix contribu t insignifi c dose im p s e Boiling W Termination n 0 Tabl eROC Co-60 Sr-90 Cs-137 Tabl eROC Co-60 Sr-90 Cs-137 Tabl eROC Co-60 Sr-90 Cs-137 Tabl eROC Co-60 Sr-90 Cs-137 t ure fractio n tors is listed c ant contrib u p act and was W ater Reacto r Plan e 6-20 R e In s I e 6-21 W T C o I n 6 2 4 e 6-22 W G C o I n 1 1 4 e 6-23 R e In s I n 1 1 5 n for the R O in Table 6-2 utors is attri b therefore i n r e actor Buil d s i g nificant C Insitu GW 4.87E-01 5.05E+00 1.76E-01 T B BFM D F o ntributor D n situ GW 6.66E-02 2.93E+00 4.16E-02 GTV BFM o ntributor D n situ GW 1.20E-01 1.10E+00 4.79E-02 e mainin g St s i g nificant C R e n situ GW 1.40E-02 1.19E+00 5.28E-03 O C and the 2 4. Note th a butable to N ncluded in t h 6-38 d in g BFM D C ontributo rReactor Buil d (mr e Insit F s for RO C D ose Fracti o WTB A (mr e Insit u DFs for R O D ose Fracti o WGTV A (mr e Insit u r uctures B F C ontributo r emainin g Str u (mr e Insit umixture fr a at the major i Ni-63 (with a h e group of i n D Fs for RO C r Dose Fra c d in g Ad j uste d e m/yr per m C tu Drillin g Sp o1.19E-01 2.11E-04 2.91E-02 C Ad j usted f o n A d justed BF M e m/yr per m C u Drillin g Sp o1.17E+00 2.08E-03 2.86E-01 O C Ad juste d o n A d justed BF M e m/yr per m C u Drillin g Sp o6.08E-01 1.07E-03 1.48E-01 F M DFs fo r r Dose Fra c uctures Ad j us t e m/yr per m C u Drillin g Sp o1.34E-01 2.36E-04 3.26E-02 action for t h ity of the 0.

1 a fraction o f n significant C Ad j usted c tion d BFM DFs C i) o ils f or Insi g nif i M DFs C i) o ils d for Insi gn M DFs C i) o ils r ROC Ad ju c tion ted BFM DFs C i) o ils he aggregat e 1013 mixtu r f 0.08) whi c contributor s for Excavation1.58E+00 3.08E-03 3.50E-01 i cant Excavation2.10E+01 4.08E-02 4.63E+00 n ificant Excavation7.00E+00 1.37E-02 1.54E+00 u sted for Excavation3.52E+00 6.85E-03 7.75E-01 e of insigni f r e fraction f o c h has a ver y s. ficant o r the y low La Cros s License T Revisio nC 6.14.A check concentr a the resid uthe fill d u not in th e Insitu gw +complia n concentr aA 6.15.As disc u consider e accorda ncomplia n foreseea b scenario A quant isimple q u less tha n intake ra t A dose airrigatio n ingestio nlivestoc k scenario assessm e The Res i used for contami n opposed root dep t s e Boiling W Termination n 0 T C oncentrati ocalculatio n a tions of R O u al radioact i uring base m e concrete.

+ BFM Insi t n ce (see LT P a tions were A lternate L a u ssed in sec t e d, Residen n ce with N U n ce, but we r b le" land us eis "signific a itative eval u u alitative e v n the dose fr t e would be assessment o n) was perfo r n and fruit a n k would be r a dose assess m e nts include d i dent Gard e the Industr i n ated zone tto the 1 m d th paramet e W ater Reacto r Plan T able 6-24 I C o ns in Exca v n was perfo r OC in fill m ivity in the c m ent concret e The calcul a t u ds + BFM P Chapter 5

)less than th e a nd Use Sce t ion 6.4, t w t Gardener U REG-1757, re used to r e. NUREG-ant" then gr e uation of th e v aluation co nom the Ind uless. of the Resi d rmed. The R n d vegetabl e a ise d on the m ent was p e d the ROC a t e ner soil do s ial Use soil t hickness w a depth assum e er was adde r ROC a n Mixtur eROC Co-60 Sr-90 Cs-137 Insignificant Contributors Total v ated Fill M rmed in Re m aterial after c oncrete wa s e excavatio n ation was b a Excavation

.). For all R O e surface soi l nario Dose w o alternate with onsit ethese less l r isk-inform 1757 states t e ater assura n e dose from ncluded tha t u strial Use s dent Garden e R esident Ga r es from an o site so the m erformed fo r t their respe c s e was calc u dose assess a s changed ed in the sc r d since the 6-39 nd Insi g nifi c e Fractions Mixture F0.00.0 00.8 70.1 0 1.0 Material f erence 8 t o excavation.

s instantly r e n. Therefore

, a sed on BF M. The summ a O C and all b a l DCGLs. "less likely e well and R l ikely but p lthe decisio that if the p nce that the s the Recrea t t the dose th s cenario bec a er scenario (r dener path w o nsite garde n m eat and m i r backfilled c ctive mixtur u lated with ment with tto more cl o reening app r plant path w c ant Radio n Fractions 122 0 91 7 74 0 13 0 0 o determin e The calcu l eleased to th

, the source M DFs that w a tion DF w iasements, t h but plausi b Recreationa l lausible sce nn of Indus t eak dose fr ocenario is u n t ional Use s han the Recr eause the oc c (with onsite w ays includ e n. It was co n i lk pathway s concrete an d e fractions athe RESR A the paramet e osely repres roach used i n way is acti v n uclide e the maxi m l ation assu me fill and u nterm would w ere the su m i ll be applie d h e hypotheti c b le" land us l Use with narios were t rial Use as om a less li k n likely wou l s cenario wa s eational Us e c upancy ti m well for dr e d direct dos nsidered hi g s were inact i d soil sourc e a s listed in T AD determi n er changes lent actual s n the Indust r ve in the R e mum hypoth m ed that 10 0 niformly mi xbe in the fi l mmation of d during F R cal maximu m e scenarios onsite wel l not analyz e the "reaso n k ely put pla u l d be necess a s not requir e e scenario w m e and well winking wate e, inhalatio n g hly unlikel y ive. The alt e e terms. The T able 6-24.

n istic para m listed below site conditio rial scenari o esident Gar d etical 0% of x ed in ll and BFM RS for m fill were l. In e d for nably usible a ry. e d. A will be water r and n , soil y that ernate dose m eters . The ns as o. The d ener La Cros s License T Revisio n scenario.5512). TCI nFFFLDD The asse two way s provide t the alter n equal t o concentr a could no t decomm i section 6 The soil identifie d was the Scenario hypothet excavate section 6 The dos eScenario determi n above to it is proj e The res u as-left c o Gardene rcomplia n Excavati low dos efor the compari s s e Boiling W Termination n 0 The remai n The paramet e Contaminate d n halation R a raction of T raction of Truit, Vegeta b L eafy Veget a D rinking Wa t D epth of Ro o ssment of t h s. First, the m the most ac c n ate scenari o o the max i a tions that r t plausibly o i ssioned wh i 6.4). The do sdose from t d during ch a hypothetic a DCGLs, th ical maxim u d and spre a 6.14). The r e e from b ac kassuming n istic param erepresent t h e cted to con t ulting Resid e o ndition at t r dose fro m n ce during F on (see LT P e from the B WTB in t h s on, when t h W ater Reacto r Plan n ing param e e rs changes a d Zone Thic k a te - 8400 m 3 ime Spent I n ime Spent O b le and Gra i a ble Consu m ter Intake -

4 ots - 1.22 m.

h e soil dose maximum s o c urate estim a o dose was imum allo w r esult in 25 occupy the L i ch was con s se calculatio n h e Resident a racterizatio n al maximu m e dose was u m radionu c ad on the g r e sulting dos e k filled con c the BFM I eters used f he Resident G tain the maj o e nt Gardene r the time of m the BF M F RS will b e P Chapter 5)

B FM Insitu s h e Industri a h e 30 year d e r e ter change s a re: k ness - 0.15 m 3/yr, ndoors - 0.6 4 O utdoors - 0.

in Consump t mption - 21.4 4 78 L/y r , from the R e oil concentr a a te of dose fcalculated a w able soil mrem/yr).

T LACBWR s i servatively a n s are docu m Gardener a n as the so u m soil con c 31.4 mrem/y clide conce n r ound surfa c e from the R crete was a l I nsitu geo m f or the BF M G ardener sc ority of resi d r dose from license ter m M Insitu sce e the summ a which is d o s cenario. F o a l Use sce n e cay period i 6-40 s are metab o m , 4 9, 124, t ion - 112 k g , esident Gard ations identi f rom soil in assuming th econcentrati T he doses w ite until afte r assumed to b m ented in R e lternate sce n urce term w a centrations t y r. A dose a n trations in c e during t h Resident Gar d l so calculat e m etry descr i M Insitu gw d o enario. The d ual radioac tbackfilled c m ination) w a nario is lo w ation of the ominated by or example, t n ario, assu m i s included t h olic and be h g/y r , ener alterna t fied during cthe Reside n e ROC con c ions in th e were calcul a r the G-3 pl a be 30 years eference 8.

n ario using t as 0.66 mr e t hat could r assessment wfill materi a h e excavati o d ener was 2 6 ed for the R ibed in se c o se assess mWTB was u t ivity at lice n concrete in as 0.94 mre m w because BFM Insi t the Excava t he dose fr o ming no d e he dose is 0

.havioral (fr o te scenario w c haracteriz a nt Gardener s c entrations w e Industria l ated assumi n ant ceased oafter licens e the maximu m em/yr. Whe n remain giv e w as also pe r al. The fill i o n of struct u 6.9 mrem/y r Resident G a c tion 6.11.1 m ent were m u sed for the nse termina tthe insitu g e m/yr. Note t the BFM D t u gw + BF M a tion Scenar i o m the BF M e cay, is 1.

7.84 mrem/y r om NURE G w as perfor m a tion were u s scenario. Se c w ere theoret i l Scenario n g that a re s o peration an d e terminatio n m concentr a n the source e n the Ind u rformed usi n is assumed ure concret e r. ardener Alt

e. The RES m odified as assessment t ion. eometry (i.

e that the Re s D Fs applie d M Insitu ds + io. This res u M Insitu geo m 77 mrem/yr.r. G/CR-m ed in s e d to cond, i cally (i.e., s ident d was n (see ations term u strial ng the to be e (see ernate RAD listed since e., the sident d for BFM u lts in m etry . For La Cros s License T Revisio n The fina BFM E xlimitatio n alternate

soil. Ho w In concl u not signi fB 6.16.The BF M the con ccalculati n acceptab Althoug h the Base m Referen cdemoliti oL c oL These li mrate) an d ensure t h acceptabcomplia n To com pdemoliti omeasure m air dem ocontami n open ai ridentifie d The dos e open air assessm e of poten t plausibl e Table 5.1 b ut is u concentr alimit are demonst r s e Boiling W Termination n 0 l considerat x cavation S c n that the e x scena r io d o w ever, the d o usion, the d o f icant and t h B FM Elevat e M is a mixin g c entration a n n g Area Fac ility of elev a h AFs are n o m ents are l i c e 14. The o n of struct u L ess than 2 m oncrete. Less than 1,0 m its define t d removabl e hat the dose l e. The o p nce calculati o ply with the o n. These s ment modes.o lition coul d n ation poten t r demolitio n d and remed e from a hy pdemolition e nt was to f u t ial dose. T h e" scenario (1 , the scena rsed to hel p a tion that c o acceptable, r ation using W ater Reacto r Plan ion is the d c enario. Be c xcavated co n ose from ex c ose from co n ose from th e h erefore gre a e d Area Co n g model tha t n d distribut itors (AFs) i n a ted areas o f ot applicabl emited by thBasements u res above 6 3 m R/hr beta-g00 dpm/10 0 t he accepta b e contamina tto the pub l p en air dem o o ns for 10 Copen air d e surveys wil

l. Scanning c d include u t ial. The pr e n will prov i ated.

pothetical m a limits was e u rther "risk-i h e Worst-C a (as defined r io is not a n p "risk info r ould remain assuming athe BFM D F r dose from t h cause the B n crete woul d c avated con c n crete woul d e Recreatio n ater assuran c nsideration t uses the to t i on of the r n conjuncti o f activity do e e to the BF M e implemen t will be re m 3 6 foot elev a g amma total c m 2 beta-g a ble operatio n tion that ca n lic from air b olition limi t C FR 20.140 2 emolition li m l use conve n c overage fo r u p to 100%

e-remediati oide confid e aximum co n e valuated u s inform" the a ase Drillin gin NUREG-nalyzed for c rm" and ju in elevate dll activity i s F s. 6-41 he Resident FM Excav a d not excee d c rete would d be less sin c nal Use and ce that these s t al inventor y resi d ual ra d o n with con c e s not apply

.M, the maxi m t ation of th e m ediated to ation. The o surface con t a mma loose s nal levels o f n remain p r b orne conta m t s are oper a 2. mits, radiolo g ntional gam r pre-remed i of the ac c o n surveys p e e nce that c o ncentration t h s ing the d ril a cceptabilit y g Spoils ass e-1757, Tabl c ompliance wstify the d e d areas after s accounted Gardener a l ation conce p d the surfac e be essential ce plants ca n Resident G a scenarios w y as the sour c dioactivity.

centration-ba. mum conce n e open air d ethe open a i o pen air de m tamination o s urface cont f fixed (as m r ior to ope n mination ge n ational leve lgical surve y mma instrum e i ation surve y cessible sur f erformed to ontaminatio n h at could re m l ling spoils s y of a worst

-essment is c le 5.1). Co n with the 10 ecision that remediatio n for and incl lternative s c ptual model e soil DCG Lly the same n not be gro w ardener alte r w ill not occu r c e term and The stand a a sed DCGL s ntrations tha temolition li mir demoliti o molition limi t o n contact w i tamination.

m easured by n air demoli t nerated dur i l s and are n ys will be p e e nts in typi c y s on struct u f ace area d prepare bui l n above th e m ain after r e s cenario. T h-case condit i c onsidered a n sistent wit h CFR 20.14 0 the hypot h n to the 2 m l uded in the c enario giv e is based o n Ls, the max i as calculat e w n in concre t r nate scenar r is unneces s is independ e a rd approac h s to determi n t could rem a m its descri b on limits pr i t s are: ith structur a contact exp t ion. The l ing demolit i n ot a part o erformed pr i c al scannin g u res prior to epending o n lding surfac e e limits w i emediation t h e purpose o ion in the c o a "less likel y h NUREG 0 2 dose crit e hetical max i mR/hr demofinal comp l e n the n the imum e d for t e. ios is sary. ent of h for n e the a in in bed in i or to a l osure limits i on is of the i or to g and open n the es for ill be to the of the o ntext y but 1757, erion, imum olition l iance La Cros s License T Revisio nThe Wo rinto a s hypothet terminat i to be ex c very unl iimmedia t hitting a n From R econtami nin 2 mR/have ess e of loose correspo n area co n pCi/g. Also fro m Spoils s c Cs-137. approxi m hypothet meet th eDemons t sufficien tmaximu mS 6.17.The RE Scontami n dose for from a s m Referen c used to c 1.0 m 2 t o The AF ssmaller aThe full R AFs are p s e Boiling W Termination n 0 r st-Case Dr i pot of resi d i cal Cs-137 i on taking n o cavated and ikely for tw o t ely after li c n area conta i eference 8, n ation throu g/hr at conta c e ntially no e"dust" is t r n ds to appr o n taining uni f m Referenc e cenario, ass u Therefore, m ately 10,0 0 ical maxim u e 2 mR/hr t rating com p t to accoun t m concentra t oil Area F a SRAD mod e n ated. Isola t a given co n m aller area i ce 8 calcula t calculate so i o 100 m 2. T h s were calc u a rea by the s o RESRAD S u p rovided in T W ater Reacto r Plan illing Spoils dual radioa cconcentrat i o credit for d brought to o reasons.

F cense termin i ning the m a assuming a n g h the first h c t is approxi e ffect on th e r ivial. For e oximately 4 5 form radioa c e 8, the Cs-1 uming one-h the dose 0/80,000*2 5 um area of open air d p liance wit h t for the a c tions. actors e ling for s o t ed areas o f n centration.

s defined as t es AFs for e i l DCGLs. T h e need to a u lated by di v o il DCGLs i u mmary Re p T able 6-25.

r scenario a s ctivity in b ion. The dr i d ecay. The the surface F irst, the scation. Seco n aximum hyp o n arbitrary c h alf inch of mately 10,0 e dose rate b e xample, a 5 pCi/c m 2 c o c tivity thro u 37 concent r h alf inch co nfrom this 5 = 3.1 mre mresidual ra d demolition h the dose c c tivity, and a oil assumes fcontaminat i The ratio o f the Area F a e ach ROC u T he "Area o a pply AFs t o viding the p C i n Table 6-7 p orts are pr o 6-42 s sumes that basement fl olling I assu m entire inve nwhile mixi n enario assu m n d, the prob a o thetical co n circular are aconcrete, th e00 pCi/g C s b ecause the a loose conta m ompare d to 2 u gh a half i ration that w ntamination "less like l m/yr and is dioactivity, blimit, is n c riterion usi n a ssess the d that the e n i on that are f the dose f r actor (AF).

u sing RESR A of Contami n o contamina t C i/g per 25 . ovided elect rthe water s u o or concret umed to occ u n tory within ng with ove r m es that a w a bility of an ntamination a with a 3 6 e Cs-137 c o s-137. The l activity ass omination le v 2 9,000 pCi/

c i nch layer a w ould result idepth, was l y but pla u not signific a b eyond that ot justified ng the total dose, in the n tire area wsmaller tha n rom the full A D with th e n ated Zone"t ed areas gr emrem/yr v a r onically wi t upply well ie that con t ur immedia tthe drill dia m rburden fill w ater suppl yassumed ei g level durin g 6 inch diam e o ncentration evels of loo o ciated with v el of 10,0 0 cm 2 total in v a t a concen t in 25 mrem/approximat usible" sce n a nt. Furthe rrequired f o on a ris k inventory aareas with within the L n 7500 m 2 w source ter m e determini s" parameter e ater than 1 0 alue from R E t h Referenc e i s drilled di r tains the h i tely after li c m eter is ass u and soil. T h y well is ins t g ht inch bor g drilling is l e ter and un i that would rse contami na very thin 00 dpm/10 0 ventory in a 1 tration of 1 0/yr in the D r ely 80,000 p n ario woul d r reduction o or remediati o k-informed b a nd BFM D the hypoth SE, 7500 m will have a l m area to the stic paramet e was varied 0 0 m 2 is unl i ESRAD for e 8. The res u rectly ighest cense umed his is talled ehole ow. iform result n ation layer 0 cm 2 1 c m 2 0 ,000 rilling pCi/g d be of the o n to b asis. DFs is etical m 2, is l ower dose er set from ikely. each ulting La Cros s License T Revisio nRadion uCs-137 Co-60 Sr-90 B 6.18.Buried p section d The calc u 6.18.1.SWith the to remai n potential

Water fr oimpacte dcontami n required DCGLs characte r potential discusse d results i n then sa m 6.18.2.E Consiste nmaterial, b uried p ifrom bu rNUREG-the radio piping a t concept u that no m b etween The con c develop e of the pi p s e Boiling W Termination n 0 u clide B uried Pipi n i ping is defi d escribes th e u lations are ource Ter m exception o n at LACB Wis minimal.

o m LACB W d because t h n ation and w for non-im p for buried r ization has . The radi o d in LTP C h ndicate that t m ples will be E xposure Sc nt with the two expos u i pe being e x ied pipe re m-1757, App e nuclide con c t LACBWR ual model is m ixing is as s pipes durin g ceptual mo d ed for the B F p e is assum e W ater Reacto r Plan Tabl e 1m 2 9.44 9.11 11.22 ng Dose Ass e ned as belo w e buried pipperformed b m and Radi o of a portion o W R was ass o See Table 6 WR Crib Ho u h ey only co n w ill contin u p acted areas. pipe were been perf o onuclide mi x hapte r 5, if c t he buried p analyzed fo enario and guidance i u re scenario s xcavated an d m aining in si t e ndix J stat e c entration i nis a minim umore conse r s umed to oc c g excavatio n d els for the b FM. In the I e d to instan t r e 6-25 S u 2m 2 5.56 5.42 6.66 e ssment an d w ground pi pe dose asse s b y RESRA D o nuclide Mi of the Circ u o ciated wit h 6-2 for list o u se to G-3 a n n tacted clea n ue operatio n calculated o rmed in b xture is as s c ontinuing c p iping dose c r HTD radi oCritical G r n NUREG-s were cons d spread ac r t u (Insitu sc e es that it sh o n the analys i u m of 1 m b r vative than c u r with th e n. b uried pipe I I nsitu scena r t aneously re l 6-43 u rface Soil A Area F 5 3 3 3 d DCGL pe located o ssment met h D and Excel s xture ulating Wate r h contamina t o f buried pi p n d Well wat e n river wat e n after lice nfor the i n b uried pipin sumed to b e haracterizat i c ould excee d o nuclides an d r oup 1757, App e idered; 1) i n r oss the sur f e nario).

o uld be app r s, including b elow grade

.the NURE G e soil in the I nsitu and E r io the resid u lease and m i A rea Facto r Factors m 2 .07 .01 .69 o utside of st r h ods and pr o s preadsheet a r System Pi p ted systems pe to remain e r piping fo r e r or groun d nse termina t nitial suite n g due to t h e the same i on is perfo r d 50% of t hd additional e ndix J reg a nadvertent i n face (Exca v ropriate to uany intersp

e. The LAC B G-1757, Ap p 1 m cover o E xcavation s u al radioact i x with a th i r s 10m 2 2.04 2.00 2.45 r uctures and o vides the ras detailed i n pe, none of and theref o n. The High r Well #3 ar e d water wit h t ion. No D C radionuclid e t he very lo w as listed i n rmed for bu he 25 mrem/

yassessment s arding asse s n trusion w h vation scena r use the arit h ersing clea n B WR burie d p endix J co n or the inters p s cenarios ar e t ivity on the in 2.54 cm l100m 21.19 1.18 1.41 basements.

r esulting D C n Reference the buried p ore contami n Pressure S e e considere d h no potenti a CGLs or F S e s. To dat e w contami n n Table 6-3 ried pipe a n y r dose crit e s performed ssment of b hich results i r io), and 2) hmetic aver a n soil. The b d pipe exca v nceptual mo d persing clea n e similar to internal su r ayer of soil This C GLs. 8. piping nation ervice d non-al for S S is e, no nation 3. As n d the e rion, . buried i n the dose a ge of b uried v ation d el in n soil those rfaces in an La Cros s License T Revisio n area equ a released presence assumpt iflowable to be co n scenario ground s surface d Worker i and soil m 6.18.3.B RESRA D DCGLs f The buri e and gro uis desig n Pipe onl y significa n the site.

The Insi include t input pa rterm ge o than one the thin basemen t insitu do table. T h Flow" w area equ a The insi tInsitu G r elevatio ninternal s the Exc a Circulati ncalculat e 6.18.4.B The RE S Referen c s e Boiling W Termination n 0 a l to the in tradioactivit y of the pip e on, particulfill materia l nservative o nmodel assu murface after disturbance c i s exposed t o models. B uried Pipi n D modeling for the inter n e d piping w u ping of all i n ated as the "y. The separ ntly differe n tu dose cal c t he Circulat i r ameters ap p ometry (see Tmeter belo wlayer (2.54 t floor, i.e..

, s e, which is he assumed ere calculat e al in size to t t u dose for r oundwater p n of the bo t s urface area a vation scen a n g Water D surface soi l B uried Pipe SRAD Sum m ce 8. The ful l W ater Reacto r Plan ternal surfa c y as a bel o e to reduce arly for the

l. The assu m n the sensit i m es that the excavation.

c aused by t h o the Insitu a ng Dose Ass e was perfo r nal surfaces as separate d impacted bu r"Group". T h ation of the nt from the o c ulation fo r ng Water D plied to the B T able 6-26).

w the groun dcm) sourc e , the WGT V driven by t hRESRAD p a ed assumin g the summed the Circula t parameters w ttom of the of the pipe

.a rios (and c Discharge P l DCGLs wi t DCGLs In i m ary Report l RESRAD S r c e area of t h o w ground 2environme n Circulatin g m ption of a t ivity analys i released ra d A 15 cm m he large scal e a nd Excavat e e ssment rmed to ca l of the pipes d into two c a r ied pipe ot h h e second c a Circulating o ther pipe a n r the buried Discharge pi p B FM Insitu G The depth d surface in e term was V at 621 foo t he groundw a a rameters "

A g that the all internal sur ting Water D with the ele v pipe (630

f. See Table c orrespondi n P ipe were c t h source te rtial Suite file names f Summary R e 6-44 he pipe. Th e 2.54 cm la y n tal transpo r g Water Dis c thin soil mi x is for the B F dioactivity i s mixing layer e excavatio n e d soil via t h lculate DS R after conve r a tegories. T h h er than the a tegory consWate r pipe w n d the pipes piping "G r p e) was per f G roundwate r of the burie d order to be nominally a t elevation.

a ter pathwa y A rea of Con of the pipe face area of Discharge P v ation of th e f oot). The c 6-26 for th e n g DCGLs) falculated u s rm adjustme n f or the RES R eports are st o e Insitu sce n y e r of soil w rt and migr a charge Pipe x ing layer f o FM (see sec t s mixed wit his assumed n required t o he same pat h R s which ar r ting units t o h e first cate g Circulating isted of the w as necess aare located i r oup" (whi c f ormed by Rr scenario w d piping va rbelow the f assumed to Using a lo w y, by minimi z ntaminated Z in the grou p f all Group p i Pipe was als e thin conta m contaminate d e source ter m for both th e s ing the R E nts as listed RAD Buried ored electro n nario model w ith no cre d ation. This i which wil l o r buried m a tion 6.11.1) h a 15 cm l adue to the o remove pi p h ways appli c re the basis o dpm/100 c m g ory includ eWater Dis c Circulating a ry because t in distinctly c h as st a te d RESRAD m o with adjustm e ries but is i n f reeze zone.

be the sa m w er elevati o z ing the dis t Z one" and "

L p was locat e i pes. s o calculate d m inated lay e d area was m parameter e Buried Pi p E SRAD pa r in Table 6-2 Piping run s nically. Th eassumes th a dit taken f o i s a conser v l be filled w aterial was s

h. The Exca v a yer of soil oextensive g r p e. The Ind u c able to the for deter m m 2. ed the sum m c harge Pipin gWater Disc h the geometr ydifferent p a d above doe o deling usi n e nts to the s o n all cases g r The elevati m e as the d e on maximiz e tance to the w L ength Para l e d in one ci r d using the e r being set aset equal t r s. The dose p e Group a n rameters us e 26. s are listed i n e detailed in p a t the o r the vative with a h own vation o n the round u strial BFM m ining m ation g and harge y was arts of s not n g the o urce r eater on of e epest e s the w ater llel to r cular BFM a t the o the from n d the ed to n puts La Cros s License T Revisio n C A Z T C L A U T to the D C resulting Excel sp r provide d 6.18.5.B The Bur i contribu tfinal R O contribu t fractions The dos e pipe sce n all b urie d Sr-90 an d The dos e pipe DC G insignifi c 6-3 cont a initial su i contribu t s e Boiling W Termination n 0 Table 6-Parame Cover Depth (m Area of Conta m Zone (m 2) Thickness of Contaminated z Length Parallel Aquifer Flow (m Unsaturated Zo Thickness (m)

CGL calcul a RESRAD D readsheet a s d in Table 6-2 B uried Pipe i ed Pipe D C tions from t h Cs and adj u tors. The d ofrom Table e percentag e narios; Insit u d pipe scena r d Cs-137. e percentage s GL categori e c ant radion u a ins a copy o i te and the d t ors that we r W ater Reacto r Plan -26 RES Rter m) m inated zone (m) to m) n e a tion, inclu d D SRs gene r s described i 2 7. Radionucli d CGLs in Ta b he initial sui t ust the RO C o se percen t 6-3. es for the i n u and Excav a rios and the s for the ins i e s. Therefor e uclide fracti o o f Table 24 f d ose percent a r e removed.

r RAD Sour c DCG L Buried Pipe Group Insitu 5.465 1349.71 0.0254 41.45 0.61 ding RESR A r ated by m o i n Referenc e d es of Con c b le 6-27 we r t e radionucl i C s for the d o tages for t h nitial suite r a a tion. The f i same as ide ignificant c o e, adjustme n ons were cal c f rom Refere n a ges attribut 6-45 c e Term Pa r L Calculati o Buried P Grou p Excavat i 0 1349.70.1541.456.070 6 A D source t e o deling and e 8. The bu r c ern and A d re used in R i des, identif y o se fraction a he initial s u a dionuclide s inal list of i n ntified for s o o ntributors w n ts to the B u c ulated sepa r nce 5 which able to the a rameters fo r o ns P ipe p i on Circ u W aDisc h P i I n 2.1 76 60.0 16 0 6 3.erm parame all unit co n r ied pipe D C dj usted DC G R eference 5 t y the insign iattributable uite were c a s were calc u nsignificant c o il and base were differe n uried Pipe D C r ately for e a h provides th a ggregate of r Buried Pi p u latin g a ter h ar g e ipe n situ C i D E x74 6.14 0 254 0.02 33 eter calculat i n versions ar CGLs for t h G Ls t o calculate ificant contr ito the rem o a lculated u s ulated for e a c ontributors ments. The R n t for each o f CGLs to ac c a ch of the fo u e dose perc e the insigni fi p in g i rculatin g Water D ischar g e Pipe xcavation 0 766.14 0.15 160.02 6.0706 ions, a list oe provided he initial sui tthe relative ibutors, sele c o ved insigni f s ing the m i ach of the b was the sa m R OCs are C f the four b u count for the u r. Attachm e entages for t h ficant of the in an t e are dose c t the ficant i xture buried me for Co-60, u ried e nt h e La Cros s License T Revisio n Ra d C E E E P P P P A A C C The dos e 1.961%. insignifi c The fina l Excavati i.e., the i are prov i s e Boiling W Termination n 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 o Table 6-28 p c ant dose pe r l DCGLs to on scenario s nsitu and e x i ded in Tabl e W ater Reacto r Plan Ta b Buried Pipe Group Insitu (dpm/100 cm 24.69E+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 aggr e p rovides th e rcentage. be used d u s must be s u xcavation sc e e 6-29. r b le 6-27 B 2) Buried P Exca (dpm/14.6 52.435.9 51.5 28.435.5 53.9 91.2 78.7 93.6 01.8 21.7 06.6 29.9 08.918.9 23.0 46.5 21.111.711.5 9 e gate of the e final Burie d u ring FSS a c ummed in th e enarios ma y 6-46 B uried Pip iipe Group vation 100 cm 2) 5 E+09 E+10 5 E+10 2 E+11 E+04 5 E+10 9 E+07 7 E+05 9 E+07 0 E+05 2 E+05 0 E+05 2 E+06 0 E+06 E+06 2 E+06 4 E+08 2 E+06 E+06 E+06 9 E+07 insignifica n d Pipe DCG L c count for t h e conceptua l y occur in p a i n g DCGLs Circulatin g Water Disch a Pipe Insitu (dpm/100 c m1.56E+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+08 n t contribu t Ls for the R h e fact that t l model for arallel. The s g a r g e m 2) Circu lDis c E x (dp m 6 2 7 1 8 7 4 1 1 3 1 1 6 1 1 1 3 7 1 1 2 t ors ranges ROC adjuste dthe dose fr o buried pipe s ummed Bu r latin g Water c har ge Pipe x cavation m/100 cm 2) .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 0.413 d for the re m om the Insit u dose assess m r ied Pipe D C% to m oved u and ment, CGLs La Cros s License T Revisio n Radio n Co-Sr-Cs- E 6.19.There is concentr a under th e Building In late 2 0 and lice n 1983, p r results. G ground w Ground w ROCs i dirrigatio nGW Ex p Guidanc e AMCG d s e Boiling W Termination n 0 Ta b n uclide B (d-60 -90 137 Table 6 E xistin g Gr o low poten t a tions have e Turbine B uindicated p o 0 12, five ad d nse terminat i redominantl y G roundwate r w ater contam i w ater Expos u dentified in n the only e x p osure Fact o e Report 1 1 d rinking wa t W ater Reacto r Plan b le 6-28 B uried Pipe Group Insitu d pm/100 cm 29.01E+06 5.77E+05 2.54E+07 6-29 Su m for Radionucl i Co-60 Sr-90 Cs-137 oundwater D tial for sign i been ident i uilding. Sa m o sitive grou n ditional mo n i on. Results y H-3. See r Exposure i nation that m u re Factors Table 6-24 x posure path w ors were t h 1 Ingestion t er intake ra t r Buried Pi p Insi g nific a 2) Bur i G Exc (dpm/8.3 3.9 3.5 m med Buri e Insi g nifica n de Bur i G (dpm 8.3 5.6 3.5 D ose i ficant grou ified in gro u m pling in 1 9 n dwater con n itoring wel lindicated l o LTP Chap t Factors w e m ay be presfor existin gplus H-3.

way from g r h erefore cal c Dose Con v te of 327 L/

y 6-47 p e DCGLs f ant Radion u i ed Pipe Group avation /100 cm 2) 9E+04 8E+07 9E+05 e d Pipe DC G n t Radionu c i ed Pipe Group /100 cm 2) 1E+04 9E+05 4E+05 ndwater co n u ndwater a d 983 from a w tamination a l pairs were wer ground w t er 2 for a ere calculat eent at the ti m g GW cont a Because t h r oundwater i culated in R version Fact y r. See Tabl e f or ROCs A u clide Frac t Circula t Water Dis c Pip e Insit u (dpm/10 0 4.8 6.8 1.2 G Ls for R O clide Fracti Circula t Water Dis c Pip e (dpm/10 0 8.53E+6.70E+3.64E+n tamination d jacent to s u w ell located d at relatively installed to w ater conta m summary o ed to deter m me of licens e amination w h e industri a i s potable w a R eference 8 t ors and th e e 6-30. A d j usted fo r tions t ing charge e u 0 cm 2) W (d 82E+07 80E+05 28E+08 O Cs ad j uste d ons t ing charge e 0 cm 2) +04 +05 +05 to be pres e u spected br o d own gradi e low concen tsupport sit e m ination le v o f character i m ine the do e terminatio n were calcula t al scenario dater from a n 8 directly u e assumed i r Circulating Water Discha r Pipe Excavation d pm/100 cm 28.55E+04 4.22E+07 3.65E+05 d e nt althoug h o ken floor d ent of the T u trations.

e characteri z vels than fo u ization and se from ex i n. ted for the d oes not in n onsite wellsing the F e i ndustrial w r ge 2) h low drains urbine z ation und in HSA isting three clude . The ederal w orker La Cros s License T Revisio n D 6.20.As disc u be made and coul d After co m area and calculat ewhere: The dos e b uried p i multiply i s e Boiling W Termination n 0 R a D emonstrat i ssed in sect i through the d potentiall y m pliance is buried pipi n dose and s uComplia n Max BF M Max BF MSummati o and Buri e Max Ope n Max Bur i Max Exi s e for baseme iping is calc u ing the ratio W ater Reacto r Plan Tab l a dionuclide Co-60 Cs-137 Sr-90 H-3 i n g Compli a i on 6.5.5, t h summation y occur in p a demonstrat e ng, the mea n ummed as s hnce Dose M Insitu (ds)

M Excavatio n o n BFM Ins i e d Pipe Insit u n Lan d i ed Piping E x s ting Groun dnts is calcul a ulated b y di vby 25 mre m r l e 6-30 G Gr o ance with D h e final dem o of dose fro m a rallel. e d indepen d n concentrati hown in Equn i tu (gw) u xcavation d water a ted directl y viding the m m/yr. Note t h 6-48 Groundwate o undwater E (mrem/yr 8.8 0 1.6 4 4.6 4 2.0 9 ose Criteri o o nstration o f m exposure d ently throu g ons or inve n a tion 6-2. = Dose to I = maximu m(mrem/yr) = maximu m basements = summati o basement s(mrem/yr)= maximu m(mrem/yr)= maximu m(mrem/yr)= maximu m y from mean m ean FSS co n hat the BFM r Exposure E xposure Fa c per pCi/L) 0 E-03 4 E-02 4 E-02 9 E-05 o n f complianc escenarios th g h the FRS ntory values I ndustrial W m BFM Insi t m BFM Ex c(mrem/yr)o n of BFM I s (mrem/yr)

) from all pi p m dose fro m) m dose from

) m dose from n STS result s ncentrations Insitu gw do s Factors c tors e with the d h at are not m of each str ufrom the F R W orker AMC t u ds dose fro m c avation dos e I nsitu gw dos e and Buried pe m open land sburied pipi nexisting gr o s. The dose f by the DC G s e from the b d ose criterio n m utually exc l ucture, ope n R S will be u s EquatioG (mrem/yr

)m basement e from e from all Pipe Insitu d s urvey units n g Excavati o oundwater f or open lan d GLs and b asement n will l usive n land sed to n 6-2 ) s d ose o n d and La Cros s License T Revisio n assigned Insitu gw Scontami n contribu t ground wR 6.21.1. H R 2 2. E W 3. U C o 4. U R D 5. E C 6. P R 7. P W a n 8. E D 9. A R10. S C 11. Z (C t h 12. A 213. S M 14. E D s e Boiling W Termination n 0 the Maxim u Summation"n ation can e i te to dose fr o w ater summa t References H aley & Ald r R eactor, Dai r 015. E nergySoluti W ater React o U.S. Nuclear C onsolidated f Radiologi c U.S. Nuclear Radiation Su r December 2 0 E nergySoluti C oncern Dur i acific Nort h R eactor Mat e acific Nort h W ithin and A n d Decom m E nergySoluti D CGL and C A rgonne Nat i RESRAD 6.0 andia Natio n Contaminati o Z ionSolution C RA) Repo r h e Zion Res t A rgonne Nat i 001. heppard an d M ajor Soil T y E nergySoluti Demolition L W ater Reacto r Plan um BFM Ex term in Eq u ither be reta i om well wat e t ion becaus e r ich Inc., H y r yland Powe ons Techni c or Historical Regulatory Decommis s c al Criteria, FRegulatory r vey and As 0 06. ons Techni c i ng LACB W h west Labor a erials, Pacifi c h west Labor a A round Com m m issioning A s ons Techni c oncrete BF M i onal Labor a 0 and RESR A n al Laborat o on From De c s Technical rt, Evaluatio n t oration Proj i onal Labor a d Thibault, D y pes: A Co m ons Techni c Limits. r cavation do s u ation 6-2.

T ined in the c o e r, not both.

e it is based o yd rogeologi c r Cooperati v c al Support D Site Assess mCommissio n s ioning Gui d F inal Repor tCommissio nsessment of c al Support D W R Decom m a tory, NUR E c Northwest a tory, NUR E m ercial Nu c ssessment -

c al Support D M Dose Fac t a tory, NUR E A D-BUILD o ry, NURE G commission i Support Do c n of Hydrol o ect. atory, User' s Default Soil/

S mpendium, H c al Support D 6-49 se in Equati o T he two sce n o ncrete and The Burie d o nly on the g cal Investig a v e, Genoa W Document R m ent (HSA)n, NUREG-1 d ance - Cha r t - Septemb e n NUREG-1Materials a n Document R m issioning.

E G/CR-347 4 Laboratory E G/CR-428 9 clear Power P 1985. Document R t ors. E G/CR-669 73.0 Compu t G/CR-5512, V ing Paramet e cument 14-0 o gical Para m s Manual fo r S olid /Liqui d Health Physi Document R on 6-2 will n narios are m uexcavate d o d Pipe Insitu g roundwate r a tion Report

, Wisconsin, F i R S-TD-3131 9). 1757, Volu m racterization e r 2006. 1 575, Suppl e nd Equipme n R S-TD-3131 9 4 , Long-Liv e- 1984. 9 , Residual R Plants; Orig i R S-TD-3131 9 7 , Develop m t er Codes -

D Volume 3, R e r Analysis

-0 06, Conest o m eters in Su p r RESRAD V d Partition C cs, Vol. 59 N R S-TD-3131 9 n ot be inclu d u tually excl u or released t odose is incl u r pathway.

, La Crosse B i le No. 387 0 9 6-003, La C m e 2, Revisi o, Survey, a n ement 1, M u nt Manual (M 9 6-001, Ra d ed Activatio n R adionuclid e i n, Distribut 9 6-004, LA C m ent of Prob a December 2 R esidual Ra d- October 1 9 o ga Rovers

&p port of Do s V ersion 6, A C oefficients, N o 4, Octob 9 6-005, La C d ed in the "

B u sive; the o the fill and u ded in Boiling Wat 0 5-008, Janu C rosse Boili n o n 1, nd Determin a u lti-Agency M ARSAM E d ionuclides o n Products i n e Concentra t ion, Invent o C BWR Soil a bilistic 000. d ioactive 9 99. & Associate s s e Modeling A NL/EAD-4 , , Kds, for F o er 1990.

C rosse Ope n B FM t er ary n g a tion E) - o f n t ion o ry, s for , July o ur n Air La Cros s License T Revisio n s e Boiling W Termination n 0 W ater Reacto r Plan Fi g r ure 6-1 S 6-50 S ite Re g ion a a l Location

La Cros s License T Revisio n s e Boiling W Termination n 0 W ater Reacto r Plan r Figure 6-2 6-51 2 Site O v v erview L L R L a Crosse Boili n License Termin Revision 0 ng Water Reac tation Plan o r Figure 6-3 6-52 LACBWR B uildin g s L L R L a Crosse Boili n License Termin Revision 0 ng Water Reac tation Plan o r Figure 6-4 6-53 LACBWR E n n d State L L R L a Crosse Boili n License Termin Revision 0 ng Water Reac tation Plan o r Figure 6-5 5 LACBW R 6-54 R End State - B ackfilled Stru c c tures La Cros s License T Revisio n Figure 6 s e Boiling W Termination n 0 6-6 LAC B W ater Reacto rPlan B WR End S r S tate - Bac k 6-55 k filled Rea c c tor Buildin g Basemen t t Elevation V V iew La Cros s License T Revisio n Input param e value Input par a valu Assign defa ufrom NURE G Vol. Behavioral Assign 75% per cTEDE is positi v with the p a s e Boiling W Termination n 0 F i eter Sensitive , ameter e ult value G/CR 5512 3 centile value if vely correlated aramete r W ater Reacto rPlan gure 6-7 Ass i TE D , lPRCCl > 0.25 r

RESRAD PInput paramet e value ign 25% percentil e DE is negatively c owith the param e Classi"Sensitive "Complete using Assign NURE G Pri oInpu t Assignfrom NU R V Metabo Classif y Metab o Sel e p a 6-56 P arameter

e r e value if orrelated e te r fy parameter as

" or "Non-sensitivsensitivity analys iRESRAD v7.0 distribu tion from G/CR-6697, Att C ority 1 or 2 t parameter valuedefault value R EG/CR 5512 Vol. 3 lic paramete r y as Behavioral, olic, or Physical ect model aramete r Selection F l

ANon-se n v e" i s Classify as Pr i1, 2 or 3low Chart Input parameter value A ssign 50% value distribution nsitive, lPRCCl <

0Inp u Assig nfrom R P iority Inp u S av Physic a 0.25 ut parameter value n Median value RESRAD v7.0 Priority 3 ut parameter value S ite data vailable?al parameter La Crosse B License Te r Revision 0 R Boiling Wat e rmination Pl a R ESRAD I n e r Reacto r an n put Para m ATTA m eters for L A 6-57 CHMENT A CBWR S o 6-1 o il DCGL U U ncertaint y Anal y sis La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-58

La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-59

La Cro Licens e Revisi o sse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-60

La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-61 La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-62

La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-63

La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-64

La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-65

La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-66

La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-67 La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-68 La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-69 La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-70 La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-71 La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-72 La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-73 La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-74 La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-75 La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-76

La Cro Licens e Revisi osse Boiling Wa t e Termination P o n 0 t er Reacto r Plan 6-77

La Cro Licens e Revisi o Notes:

a P = phys

b 1 = high

-c D = dete rd Distribu tLognorma Bounded l o Truncated Bounded n Beta: 1 =

mTriangula rUniform: 1e Referen c f ZionSol ug Argonn esse Boiling Wa t e Termination P o n 0 ical, B = behavioral, M-priority parameter, 2

=rministic, S = stochasti c tions Statistical Paramel-n: 1= mean, 2 = stan dognormal-n: 1= mean, 2lognormal-n: 1= mean

, normal: 1 = mean, 2 = s t minimum, 2 = maximu m r: 1 = minimum, 2 = m o 1 = minimum, 2 = max i ce: Haley and Aldrich, I utions Technical Suppo r e National Laboratory, "t er Reacto r Plan M = metabolic; (see NU R= mediu m-priority para m c ters: dard deviatio n 2 = standard deviation, , 2 = standard deviation tandard deviation, 3 =

m m, 3 = P-value, 4 = Q-v ode, 3 = maximu m imum e Sm-148 an ND-Inc., "Hydrogeological I rt Document 14-003, C "User's Manual for RE S R EG/C R-6697, Attach m meter, 3 = low-priority p

3 = minimum, 4 = ma x , 3 = lower quantile, 4

=minimum, 4 = maximu m alue -144 not listed in RESR A Investigation Repor t L onestoga Rovers & As s SRAD Version 6", AN L ment B, Table 4.)

parameter (see NURE G

imu m = upper quantile m AD FGR 11 DCF file La Crosse Boiling Wate r sociates (CRA) Report, L/EAD 4, July 2001 6-78 G/C R-6697, Attachment

r Reactor, Dairyland P o"Zion Hydrogeologic I n

B, Table 4.1)

ower Cooperative, Gen o nvestigation Report" oa, WI" January 2015 La Cros s License T Revisio n s e Boiling W Termination n 0 RESRA D W ater Reacto r Plan D Input Pa r r ATTA r ameters fo r 6-79 CHMENT r LACBW R 6-2 R BFM Unc e e rtaint y A n n al y sis La Cr o L Ro sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-80

La Cr o L R o sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-81

La Cr o L R

o sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-82

La Cr o L R o sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-83

La Cr o L R o sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-84

La Cr o L R o sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-85 La Cr o L R o sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-86

La Cr o L R o sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-87

La Cr o L R o sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-88

La Cr o L R o sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-89

La Cr o L R o sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-90

La Cr o L R

o sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-91 La Cr o L Ro sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-92 La Cr o L Ro sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-93 La Cr o L Ro sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-94 La Cr o L Ro sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-95 La Cr o L Ro sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-96 La Cr o L Ro sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-97 La Cr o L Ro sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-98 La Cr o L Ro sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-99 La Cr o L Ro sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-100

La Cr o L R o sse Boiling W a License Termin Revision 0 a ter Reacto r ation Plan 6-101

La Cr o L R N a b c d L B T B B T U e f g o sse Boiling W a License Termin Revision 0 Notes: a P = physical, B = beh a b 1 = high-priority para m c D = deterministic, S

=d Distributions Statistic a Lognormal-n: 1= mean, Bounded lognormal-n:

1 Truncated lognormal-n:

Bounded normal: 1 =

m Beta: 1 = minimum, 2

=Triangular: 1 = minimu m Uniform: 1 = minimum

, e

Reference:

Haley and f ZionSolutions Techni c g Argonne National La b a ter Reacto r ation Plan avioral, M = metabolic; meter, 2 = mediu m-pri o= stochastic al Parameters: 2 = standard deviation 1= mean, 2 = standard d 1= mean, 2 = standard mean, 2 = standard devi a= maximum, 3 = P-valu e m, 2 = mode, 3 = maxi m , 2 = maximum e Sm-1 4Aldrich, Inc., "Hydrog e cal Support Document boratory, "User's Man u (see NUREG/C R-669 7 ority parameter, 3 = lo w deviation, 3 = minimu mdeviation, 3 = lower q u ation, 3 = minimum, 4

=e, 4 = Q-value m u m 4 8 an ND-144 not liste d eological Investigation 14-003, Conestoga Ro v ual for RESRAD Versio 7, Attachment B, Table w-priority parameter (se e m, 4 = maximu m u antile, 4 = upper quan t= maximu m d in RESRAD FGR 11 DRepor t La Crosse Boi l vers & Associates (CR An 6", ANL/EAD 4, Jul y 6-102 4.) e NUREG/C R-6697, A t t ile

DCF file ling Water Reactor, Da A) Report, "Zion Hydro g y 2001 ttachment B, Table 4.1

)

iryland Power Cooper a geologic Investigation R )

ative, Genoa, WI" Janu a Report" ary 2015 La Cros s License T Revisio n Dos e s e Boiling W Termination n 0 e Contribu t A gg re g W ater Reacto r Plant t ion Percen t g ate Dose P r ATTA t a ge for Ini t P ercenta g e f 6-103 CHMENT tial Suite R a f rom Insi g n i 6-3 a dionuclid e ificant Dos e e s and Dete r e Contribut rmination o ors f La Cros License Revisio n 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-243/24 4 Insignifica ncontributor dpercentage bon mixture Insignifica ncontributor dpercentage b on actual d aInsignifica ncontributor d b ased on ac tdata (mrem

/ se Boiling Wat eTermination P l n 0 S omrem/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 n t d ose b ased n t d ose b ased a ta 2.60E-02 n t d ose t ual /yr) e r Reacto r l ant 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 2 0 Rx Bldg Gro umrem/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 Refere n undwate r 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 Sp o mrem/y r Dose F 5.05E-12 0.0 0 8.23E-12 0.0 0 7.14E-12 0.0 0 1.43E-11 0.0 0 1.42E-03 5.3 7 2.82E-10 0.0 0 1.86E-06 0.0 0 6.57E-06 0.0 2 4.64E-11 0.0 0 2.48E-02 94.

2 5.10E-05 0.1 9 4.66E-05 0.1 7 9.11E-07 0.0 0 1.56E-08 0.0 0 1.58E-08 0.0 0 5.05E-08 0.0 0 2.54E-07 0.0 0 3.74E-07 0.0 0 2.80E-07 0.0 0 0.4 0 1.63E+00 0.0 2 6-104-TD-313196-0 0 oils Rx Fraction mrem/

y 00% 2.61E-0 00% 1.91E-0 00% 5.70E-0 00% 7.89E-0 74% 1.88E-0 00% 1.67E-0 07% 2.72E-0 25% 8.10E-0 00% 1.47E-0 217% 2.98E-0 94% 6.48E-0 77% 6.02E-0 03% 7.97E-0 00% 1.69E-0 00% 1.73E-0 00% 1.64E-0 01% 6.56E-0 01% 4.14E-0 01% 3.25E-0 03% 1.97E+0 26% 0 1) - Dose ContBldg Excavation yr Dose Fractio n 09 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% 0 1 0.336% ribution per RWTB Gro u n 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 R OC per Scena r undwate r 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% r io WTB Drilling Sp omrem/yr Dos e4.96E-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.o ils W e Fraction mre m.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/y r Dose Fracti o-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 0.002%

-05 0.001%

0.427% +01 0.886% o n La Cros License Revisio n se Boiling Wat eTermination P l n 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 dos epercentage bas eon mixture Insignificant contributor dos e b ased on actua ldata (mrem/yr) Insignificant contributor dos epercentage bas e on actual data e r Reacto r l ant 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 e d e l 2.93E+00 e e d Table 20 fr Groundwate r 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 D o2.57E-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-TD Spoils ose Fraction mr e0.000% 1.1 50.000% 8.4 20.000% 2.5 10.000% 3.4 95.380% 8.3 10.000% 7.4 00.007% 1.2 10.025% 3.5 70.000% 6.5 1 94.210% 1.320.194% 2.8 70.177% 2.6 60.003% 3.5 20.000% 7.4 50.000% 7.6 10.000% 7.2 20.001% 2.8 90.001% 1.8 20.001% 1.4 4 0.403% 7.81E+0.120% 6-105-313196-001) (cWGTV Excavation em/y r Dose Fra c 5E-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% c ont.) - Dose CRemain i Gr o ction 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 p e ing Basements o undwate r 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% e r ROC per Sc eRemaining Basem e Spoilsmrem/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 e nario nts Drilling Rem a Dose Fraction m r0.000% 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% 5.69 E0.038% aining Basements Exca v rem/y r Dose Fr a 78E-09 0.00 0 23E-09 0.00 0 26E-08 0.00 0 75E-08 0.00 0 18E-02 5.91 1 71E-07 0.00 0 04E-05 0.00 9 79E-04 0.02 5 26E-06 0.00 0 62E-01 93.65 4 44E-03 0.20 4 33E-03 0.18 9 77E-05 0.00 3 75E-06 0.00 1 82E-06 0.00 1 64E-06 0.00 1 45E-05 0.00 2 14E-06 0.00 1 19E-06 0.00 1 0.42 7 E+01 0.97 2 v ation action 0% 0% 0% 0% 1% 0% 9% 5% 0% 4% 4% 9% 3% 1% 1% 1% 2% 1% 1% 7% 2%

La Cros s License T Revisio n Table 2 2 Percent H-3 C-1 4 Fe-5 5Ni-5 9 Co-6Ni-6 3 Sr-9 0Nb-9 Tc-9 9 Cs-1 3 Eu-1 5 Eu-1 5 Eu-1 5 Pu-2 3 Pu-239/Pu-2 4Am-2 4Am-2 4Cm-243 s e Boiling W Terminatio n n 0 2 from Refe r Usin g the H W m r 1.5 4 2.2 5 1.9 9 6.2 0 7.2 3 1.8 0 2.5 4 2.3 9 1.2 3 7 3.5 5 2 2.1 5 4 1.4 5 5 2.9 3 8 5.9/240 7.2 4 1 5.3 4 1 4.8 4 3 7.8/244 5.4Dose B Conc e (m r2.3 W ater Reacto r Plant rence 5 (T S H i ghest Act i WTB Ground w rem/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 In s C o%rem/yr) 6 E+00 r S D RS-TD-3 ivit y Cores w ate r 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 D C0.218% 6-106 3 13196-001) 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 - Insi g nifi c ling 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% Insignifican tContributo r% Based o nDose 0.092% c ant Contri b WT Bmrem/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-0 t r n Dose Base dConcentra t (mrem/y1.55E+0 b utor Dose B Excavation y r Do s Fract9 0.00 08 0.00 08 0.00 07 0.00 0 01 5.49 96 0.00 0 04 0.00 94 0.01 46 0.00 0 00 94.23 63 0.13 73 0.09 95 0.00 25 0.00 05 0.00 05 0.00 05 0.00 25 0.00 15 0.00 10.25 6 d on tions Insigni fContri b% Bas e Do s y r) 02 1.58 7 s e ion 0% 0% 0% 0% 9% 0% 9% 4% 0% 6% 7% 9% 2% 0% 0% 0% 2% 1% 1% 6% f icant butor ed on s e 7%

L L R L a Crosse Boili n License Termin Revision 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 Reac t ation Plant 2 4 from Refer eBuried Pipe Grou pmrem/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 o r ence 5 ( TSD R S p Excavation D ose 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 Gr omrem/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 0 01) Buried Pi p o up InSitu D ose 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% p in g Dose Cont rCirc 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 R Excavation D ose 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% R OC per Scena rCirc 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 r io p e InSitu D ose 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%

ML16200A093

Text

5.1 definit

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