CNS-17-053, Transmittal of 2016 Annual Radioactive Effluent Release Report - Supplement

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Transmittal of 2016 Annual Radioactive Effluent Release Report - Supplement
ML17285A048
Person / Time
Site: Catawba  Duke Energy icon.png
Issue date: 10/12/2017
From: Simril T
Duke Energy Carolinas
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
CNS-17-053
Download: ML17285A048 (38)
v • d • e


Text

TomS im ri l

(_~ DUKE ViceP resident ENERGY~ Ca tawba Nuc learStation Du ke Ene rgy CN01VP I4800Conco rd Road York, SC 29745 o:803. 701. 3340 f-803.701. 3221 tom.s imri l@duke -energy. com CNS 053 Oc tobe r 12,2017 U.S . Nuc learRegu lato ryComm ission Attention : Documen t Con trol Desk Wash ing ton,D .C.20555 Sub jec t: Duke Ene rgyCa rolinas , LLC Catawba Nuc lea rS tation , Units 1and2 Docke t Nos . 50-413and50 -414 2016Annua l Rad ioac tive E f fluentRelease Repo rt -Supp lemen t Re ferences  :

1. Ca tawba Nuc lea rSta tion,Un its 1and2 ,2016Annua l Radioactive E ff luen tRe lease Repo r t,da tedAp ri l 27 ,2017(ADAMSAccess ion No. ML17128A429 )

On Ap r il 27,2017,Duke Ene rgysubm i t tedthe2016Annua l Radioactive Eff luen tRe lease Repo rtfo rCatawba Nuc learS ta t ion(Re ference1 )totheNRC .A ttachmen t9(Summa ryo f Changes totheO f fsite Dose Ca lcu lation Manua l

)o fth isrepo r tstatestheen tireSe lec ted LicenseeComm itmen t (SLC )Sec tion 16 .11o ftheUFSAR i sa ttachedintherepo r t .Du ring a rev iew,i twas iden t ifiedtha ttheen tireSLCSec t ion 16. 11 oftheUFSARwas no tsubm ittedto theNRC pe rS tat ionTechn icalSpec ifica t ion (TS )5.5.5.b.Theenc losureo fth isdocumen t supp lemen tstheinadve rtent lyom ittedsub -sectionso fSLC 16 .11fo rthepe riodo fJanua ry1 ,

2016 ,th roughDecembe r31 ,2016 . No rev isionstothea t tachedsec tionswe re made du ringth is time frame .

Anyques tionsconce rn ingth isrepo r tshou ldbed irectedtoCec ilA .F letcherI I,Nuclea r Regu lato ry Af fa i rs Manage r

,a t(803 )701 -3622.

Since rely,

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TomS im r il Vice P resident, Ca tawba Nuc lea rS tation Enc losu re:Ca tawba Nuc lea rS tation ,A ttachmen t9 ,Summa ryo fChanges totheO ffsite Dose Calculation Manua l

, Janua ry1 ,2016 ,throughDecembe r31 ,2016 www. duke -energy.com

Uni ted S tates Nuclea rRegu la tory Comm iss ion Page2 CNS 053 Octobe r 12 ,2017 xc(w ithenc losure )

C. Haney Regiona l Adm inistrator U.S. Nuc lea rRegu latory Comm iss ion -Region I I

Marquis One Towe r

  • 245Peach treeCen terA ve

., NE Suite 1200 A

tlanta, GA 30303 -1257 M

. Mahoney NRC P rojectManage r (CNS )

U.S. Nuc learRegu latory Comm iss ion One Wh ite F l intNo r th, Mai lS top 0-8H4A 11555Rockv il le Pike Rockvi lle, MD 20852 -2738 J

.D . Aus tin NRC Sen io rRes ident Inspector

Attachmen t9 SummaryofChanges totheO f fsi te Dose Ca lcula tion Manual Ca tawba Nuclea rStat ion Units 1&2 Pe riod 1

/1/2016-12131 /2016 Dose 16

.11-3 16

.11 RAD IOLOG ICAL EFFLUENTSCONTROLS 16

.11

-3 Dose COMMITMENT Thedoseo rdosecomm itmen ttoaMEMBER OF THEPUBL ICf rom radioact ivema terials inl iquide f fluen tsre lea sed,f romeachun i t,to UNRESTR ICTEDAREAS (seeF igu re16 .11-16 -1inSLC 16 .11-16) shal lbel im ited:

a

. Dur ing an yca lenda rqua rte rto ::

_1 .5m rem tothewho le body andto ::
_5m rem toanyo rgan ,and b

. Dur ing anyca lenda ryea rto:::_3m rem tothewho le bodyand to~ 1Om rem toan yo rgan .

APPL ICABIL ITY : Atalltimes .

REMEDIAL ACT IONS COND ITION REQU IRED ACT ION COMPLET ION TIME A

. Calculated dosef rom A

.1 -------------

-NOTE --

releaseo fradioactive lfdrinkingwa ter supp lyi s mate r ials inliquid takenf romrece ivingwa ter ef fluen tsexceed ing bodyw ith in 3m iles abovel imits

. downs treamo fp lant d

ischa rge ,theSpec ial Repo r t sha lla lsoinc lude theresu ltso frad io log ical ana lyseso fthed rinking wate r sou rceandthe rad iolog icalimpac ton f

in ishedd r ink ingwa te r supp liesw ith rega rdto40 CFR 141 ,Sa feD rinking Wate rA ct.

Prepa reandsubm ita 30days Spec ial Repo rttotheNRC which iden t ifies thecauses fo rexceed ingthel im i ts, co rrectiveac tionstakento reducere leases ,and actionstakentoensu re tha tsubsequen tre leases arew i thin l im i ts.

Ca tawba Units 1and2 16 .11-3 -1 Re vision 0

Attachmen t9 Summaryo fChanges totheO ffsi te Dose Ca lculat ion Manua l Catawba Nuclea rS tat ionUn its 1&2 Pe r iod 1

/1/2016-12 /31/2016 Dose 16 .11-3 TEST INGREQU IREMENTS TEST FREQUENCY TR16.11 1 De term ine cumu lativedosecon t ribu tionsf roml iqu id 31 days e

ff luen tsfo rcurren tca lenda rqua rte randcu rren t ca lenda ryea rinacco rdancew ith theme thodo logy and parame tersintheODCM .

BASES ThisSLCi sp rov idedtoimp lemen ttherequ iremen tso fSec t ions I I

.A ,Ill.A andIV .Ao fAppend ixI ,10CFR Pa rt50 . TheCOMM ITMENT imp lemen tsthe guidesse tfo rthinSec t ion I I

.Ao fAppend ix I .TheREMED IAL ACT ION statemen tsp rovidetherequ iredope ra tingf lex ibi lityanda tthesamet ime imp lemen tthegu idesse tfo rthinSec tion IV .Ao fAppend ixItoassu retha t there leaseso fradioac tivema te r ia l inl iqu ide ffluen tstoUNRESTR ICTED AREASw ill bekep t"a slow asi sreasonab lyach ievab le".A lso,fo rf resh wate rs itesw i th drink ingwa ter supp liestha tcanbepo ten t iallya ffec tedb y plantope ra tions,the rei sreasonab leassu rancetha ttheope ra t iono fthe facili tyw i ll no tresu ltinrad ionuc l ideconcen tra t ionsinthef inishedd r ink ing wate rtha ta reinexcesso ftherequ iremen tso f40CFR Pa rt141 . Thedose calcula t ionme thodology andpa rame te rsintheODCM imp lemen tthe requ iremen tsinSec tion I ll.Ao fAppend ix Itha tcon fo rmancew i th thegu ides ofAppend ixIbeshownb ycalcu la tiona lp rocedu resbasedonmode ls and data,suchtha ttheac tua lexposu reo faMEMBER OF THEPUBL ICth rough app rop r ia tepa thwaysi sun l ike lytobesubs tan tiallyunde restima ted . The equa t ionsspec if iedintheODCM fo rca lcu latingthedosesduetotheac tua l releasera te sofrad ioac tivema teria ls inl iquide f fluen tsa recons isten tw i th theme thodo logy p rov idedinRegu la tory Gu ide 1 .109 ,"Ca lculationo fAnnua l DosestoMan f romRou tine Re leases o fReac torE f fluen tsfo rthePu rposeo f Evalua ting Comp l iance w ith 10CFR Pa rt50 ,Append ixI ,"Re v i sion 1 ,

Octobe r 1977andRegu latory Gu ide 1 .113 ,"Es tima t ingAqua t icD ispe rsion o f Eff luen tsf romAcc iden tal andRou tine Reac tor Re leases fo rthePu rposeo f Imp lemen t ingAppend ix I ,"April 1977 .

ThisSLCapp l iestothere leaseo frad ioac tivema te r ia ls inl iqu ide ff luen ts fromea chun itatthes ite. When sha redradwas tet rea tmen tsys temsa re usedb ymo re thanoneun itonas ite ,thewas tes f roma llun i tsa rem ixed fo r sha redt rea tmen t;b ysuchm ix ing , thee ffluen tre leasescanno taccu rate lybe ascribedtoaspec ificun it. An es t ima teshou ldbemade o fthecon tribu tions fromea chun itba sedoninpu tcond it ions ,e .g.,f lowra tesandrad ioac t iv ity concen trations ,or,i fnotp racticab le,thet rea tede ff luen tre leasesmay be al loca tedequa l lytoea cho ftherad ioac tivewas te p roduc ingun it ssha ringthe radwas tet rea tmentsys tem . Fo rde te rm iningcon fo rmanceto COMM ITMENTS , thesea lloca tionsf romsha redradwas tetrea tmen tsys tems aretobeaddedtothere leasesspec ifica llya ttribu tedtoea chun ittoob tain theto ta lre leasespe run it.

Ca tawba Un its 1and2 16.11 2 Re v i ion O s

At tachmen t9 Summaryo fChanges totheOffsi te Dose Calcu lat ion Manua l

Ca tawba NuclearS ta tionUnits 1&2 Pe riod 1

/1/2016 -12131/2016 Dose 16

.11-3 REFERENCES 1. Catawba O ffs ite Do se Ca lcula t ion Manua l.

2. 40CFR Pa rt141 .
3. 10CFR Pa rt50 ,Append ixI .

Ca tawba Un its 1and2 16.11-3 -3 Re viion O s

A ttachmen t9 Summa ryofChanges totheO ffsi te Dose Ca lcu lat ion Manua l

Ca tawba Nuclea rS ta tionUn i ts 1&2 Pe riod 111/2016-12 /31 /2016 LiquidRadwas te T reatmen tSystem 16

.11-4 16

.11 RAD IOLOG ICAL EFFLUENTS CONTROLS 16

.11-4 LiquidRadwas te T reatmen tSys tem COMM ITMENT TheL iquidRadwas te T rea tmen tSys tem sha llbeFUNCT IONALand appropriatepo r tionso fthesys temsha l lbeu sedtoreducere leasesof radioactiv i tywhen thep rojec teddosesduetothel iquide ffluent

,f rom eachun it,toUNRESTR ICTEDAREAS (seeF igure16.11-16-1inSLC 16.11-16 )wou ld exceed0 .06m rem tothewho le bodyo r0.2m rem to anyo rganina31 -daype r iod .

APPL ICAB IL ITY: Ata lltime s.

REMED IALACT IONS COND ITION REQU IRED ACT ION COMPLET ION T IME A

. Radioactive liquidwas te A .1 Prepa reandsubm i ta 30days beingd ischarged Spec ia l Repo rttotheNRC w

ithou tt rea tmen tandin which iden t ifiesthe excesso fabovel imi ts . reasonsl iqu idradwas te was d ischa rgedw ithout trea tmen t,iden t if icationo f non -

func tiona lequ ipmen t Anypo rtionofL iquid andreasonsfo rnon -

Radwas te Trea tmen t func tiona lity,co r rective System no tinope rat ion . actionstakentores torethe equ ipmen tto FUNCT IONALs tatus,and actionstakentop revent recu rrence .

Ca tawba Un its 1and2 16 .11-4 -1 Re v is ion 1

At tachmen t9 Summa ryofChanges totheO ffsi te Dose Ca lculat ion Manual Catawba Nuc learS ta tionUn its 1&2 Per iod 1/1/2016-12 /31 /2016 Liqu idRadwas te T rea tmen tSys tem 16.11-4 TESTING REQU IREMENTS

NOTE ------------------------

TheLiquidRadwas te T rea tmen tSys tem sha l lbedemons t ratedFUNCT IONALb ymee ting SLC 16.11-1andSLC 16 .11 -3.

TEST FREQUENCY TR16 .11-4-1 P rojec tl iquidre leasedosesf romeachun i tto 31 days UNRESTR ICTED AREAS , inacco rdancew i th the methodo logy andpa rame tersintheODCM , when the L

iqu idRadwas te T rea tmen tSys tem i sno tbe ingfu lly u

til ized .

BASES TheFUNCT IONAL ITYo ftheL iquidRadwas te T rea tmen tSys temensu res tha tth issys temw il l beava i lab lefo rusewheneve rl iquideff luen tsrequ ire trea tmen tp r iortore leasetotheenv ironmen t. Therequ iremen ttha tthe app rop ria tepo r tionso fth issys tembeusedwhen spec i fiedp rov ides assu rancetha tthere leaseso frad ioac tivema terials inl iquide ffluen tsw il l be kep t"aslowa si sreasonab lyach ievab le "

. Th isCOMM ITMENT imp lemen ts therequ iremen tso f1OCFR Pa rt50 .36a ,Gene ral Des ign Crite r ion 60o f Append ixAto10CFR Pa rt50 ,andthedes ignob ject iveg iveninSec t ion 11 .D ofAppend ixIto1OCFR Pa rt50 . Thespec ifiedl im i tsgove rningtheuseo f app rop ria tepo r tionso ftheL iqu idRadwas te T rea tmen tSys temwe re spec if ieda sasu itablef ractiono fthedosedes ignob ject ivesse tfo r thin Sec t ion I I.AofAppend ixI ,10CFR Pa rt50 ,fo rliqu ideff luen ts.

ThisSLCapp liestothere leaseo frad ioac tivema te r ials inl iqu ide ff luen ts fromeachun itatthes ite. When sha redradwas tet reatmen tsys temsa re usedbymo re thanoneun itonas ite,thewas tes f roma l lun itsa rem ixed fo r sha redt rea tmen t

bysuchm ixing , thee ff luen tre leasescanno taccu ratelybe asc r ibedtoaspec if icun i
t. An es t ima teshou ldbemade o fthecon tributions fromeachun itbasedoninpu tcond i tions ,e .g.,f lowra tesandrad ioactivity concen t rations ,o r

,i fno tp rac t icab le,thet rea tede ff luentre leasesmay be al loca tedequa lrytoeacho ftherad ioac t ivewas te p roduc ingun itssha ringthe radwas tet reatmen tsys tem . Fo rde term iningcon fo rmanceto COMM ITMENTS , thesea lloca tionsf romsha redradwas tet rea tmen tsys tems aretobeaddedtothere leasesspec ifica llya ttribu tedtoeachun ittoob tain theto talre leasespe run it.

REFERENCES 1

. Ca tawba O ffsite Dose Ca lcula t ion Manua l.

2

. 10CFR Pa rt50 ,Append ixA .

Ca tawba Un its 1and2 16.11 2 Revision 1

At tachmen t9 Summaryo fChanges totheOf fsi te Dose Calcu lat ion Manua l

Ca tawba NuclearSta tionUn i ts 1&2 Pe riod 1

/1/2016-12/31/2016 L

iqu idRadwas te T rea tmentSystem 16

.11-4 REFERENCES (continued)

3. 10CFR Pa rt50 ,Append ix I .

Ca tawba Un its 1and2 16.11 3 Re vis ion 1

At tachmen t9 Summa ryofChanges totheO f fsi te Dose Ca lculat ion Manua l

Ca tawba Nuc learS ta tionUn i ts 1&2 Pe riod 1/1/2016-12 /31

/2016 Chem icalT reatmen tPonds 16.11-5 16.11 RAD IOLOG ICAL EFFLUENTSCONTROLS 16.11

-5 Chemica lT reatmen tPonds COMM ITMENT Thequan t ityo frad ioac tivema te r ial con tainedineachChem ical Treatmen tPond (CTP )sha l lbel im itedb ythefo l low ing express ion:

264 L A J <1 . 0 V j(C 1 xJO )

excludingt r it iumandd isso lvedo ren trainednob legases ,

where:

A i= CTP inven to rylim i t fors inglerad ionuc lide"j"

,inCu r ies ;

C i= 10CFR 20 ,Append ix B, Tab le2 ,Co lumn 2 ,concen tration forsinglerad ionuc lide" j",mic roCu r ies/m i ll il iter; V ~design vo lumeo fl iqu idands lu rryintheCTP , ingallons; and 264 =conve rsionun i t ,m ic roCu r ies /Cu rie pe rm i l

lil iter

/ga llon.

APPLICABILITY : Atalltimes .

REMED IAL ACT IONS COND IT ION REQU IRED ACT ION COMPLET ION TIME A

. Quanti ty ofradioac t ive A

.1 Suspend a l ladd itionso f Immed iately mater ial inanyCTP rad ioac t ivema te rial tothe exceedingabovel im i

t. CTP .

A.2 In itiateco rrectiveac t ionto Immed iately reducetheCTP con tents tow ithin l imits.

Catawba Uni ts 1and2 16.11 1 Revision 0

A ttachmen t9 Summa ryo fChanges totheO ffsi te Dose Ca lculat ion Manua l

Catawba Nuc lea rS tat ionUn its 1&2 Per iod 111 /2016-12 /31/2016 Chem icalT reatmen tPonds 16.11-5 TEST INGREQU IREMENTS TEST FREQUENCY TR16.11 1 Veri fytha tthequan tityo frad ioac tivema te rial con tained Pr iortoea ch ineachba tcho fres in /wa te rs lurrytobet rans ferredto t ransfer theCTPs i swithin l im i tsb yana lyz ingarep resen tative samp leo ftheba t chtobet rans fer red .Ea ch ba t chtobe transferredtotheCTPs sha llbel im itedb y:

L c.1

- - - - <0.006 '

j(C 1 xl0 )

where:

ci=rad ioac t iveres in/wa te rs lurryconcen trationfo r radionuc ide" l j"en teringtheUNRESTR ICTED AREACTP s, inm icroCu ries /m il lil iter; and C

i =10CFR 20,AppendixB,Table2,Column 2, concen trat ionfo rs ing lerad ionuc l ide" j",in m

icroCu r ies/m il lil ite r.

BASES Theinven toryl imitso ftheCTPs a rebasedonl imit ingtheconsequences ofanuncon trolledre leaseo fthepondinven tory.Theexp ressioninthis SLCassumesthepondinven to ryi sun ifo rm lym ixed, tha tthepondi s locatedinanuncon tro l leda reaasde f inedin10CFR Pa rt20 ,andtha t theconcen t rationl im itinNo te 1toAppend ixBo f10CFR Pa r t20app l ies.

Theba tchl im itsofres in /wa te rslu rryt rans fe rredtotheCTP assu rethat radioactivema teria lt rans fer redtotheCTP a re"a slowa si sreasonably achievable"inacco rdancew i th 10CFR 50 .36a . Theexp ressioninSLC 16.11-5assu resnoba tchw i ll bet rans ferredtotheCTP un lessthesum ofthera tioso ftheac tiv i tyo ftherad ionuc lidestothe irrespective concentrationl imi ta tioni sle s sthanthera tioo fthe10CFR Pa rt50, Appendix I ,Sec t ion I I.A,to talbodydosele veltotheins tantaneouswho le bodydosera tel im i ta tion ,o rtha t L. ci < 3m rem / yr =O.OOS J(C ix10 ) 500m rem / yr where:

Ca tawba Un its 1and2 16 .11 2 Revis ion 0

At tachmen t9 Summa ryo fChanges totheO f fsite Dose Ca lculat ion Manual Catawba NuclearS tationUn i ts 1&2 Per iod 1/1/2016-12 /31/2016 Chem icalT reatmen tPonds 16

.11-5 BASES (cont inued )

ci=rad ioac tiveres in/wa te rs lurryconcen tra t ionfo rrad ionuc lide" j" en teringtheUNRESTR ICTED AREACTP , inm icroCu ries/mil lili ter and ,

Ci =10CFR Pa rt20 ,Append ix B , Tab le2 ,Co lumn 2 ,concen trat ionfo r s

ing lerad ionuc lide" j",inm ic roCu ries/m i lli liter.

Thef i lte r

/dem ine ral izersus ingpowde redres inandtheb lowdown demine ralize ra rebackwashedo rs luicedtoaho ldingtank .Thetankw i ll beagitatedtoob tainarep resen ta t ivesamp leo ftheres ininven toryinthe tank.A knownwe igh to fthewe t,d rainedres in(mo isturecon ten t approxima tely55to60% ,bu lkdens ityo fabou t58poundspe rcub icfoot) w il l thenbecoun ted. Theconcen tra t iono ftheres ins lur rytobepumped totheCTPsw ill thenbede te rm inedbythefo rmu la:

c.=_a~i~w_R_

J vT '

where:

Qi =concen trationo frad ioac tivema te ria ls inwe t,d rainedre sinfo r rad ionuc lide" j"

,exc lud ingt rit ium ,disso lvedo ren tra inednob le gases ,andrad ionuc lidesw ith lessthanan8 -dayha lf-li fe. The ana lysissha llinc ludea tleas tCe -144 , Cs -134 , Cs -137 , Co -58, and Co-60 , inm ic roCu ries/g ram . Es tima teso ftheS r-89 andS r-90 batchconcen t rationsha llbeinc ludedbasedonthemos t recen t mon thly compos i teana lysis(w ithin3mon ths);

WR = to ta lwe igh to fres ininthes to ragetanking rams(de term ined fromchem istrylogsp rocedu res );and ,

Vr= to talvo lumeo fresinwa term ixtu re ins toragetanktobe t rans ferredtotheCTPs inm illi liters.

Theba tchl im itsp rovideassu rancetha tactivityinpu ttotheCTP w i ll be m

inimized , andameans o fiden tifyingrad ioac t ivema terial inthe inventoryl im i ta tiono fth isSLC .

REFERENCES 1. Catawba O ffsite Dose Ca lcula tion Manua l.

2. 10CFR Pa rt20 ,Append ixB .
3. 10CFR Pa rt50 ,Append ixI .

Ca tawba Un its 1and2 16 .11 3 Revision 0

At tachmen t9 Summa ryofChanges totheO ffsi te Dose Calcu lat ion Manua l

Catawba Nuc learS ta tion Unts 1&2 i

Pe riod 1/1/2016-12 /31/2016 Gaseous E ff luents 16.11

-6 16

.11 RAD IOLOG ICAL EFFLUENTS CONTROLS 16.11

-6 Gaseous E ffluen ts COMM ITMENT Thedosera teduetorad ioac t ivema terials releasedingaseouse ffluents fromthes itetoa reasa tandbeyondtheS ITE BOUNDARY(seeF igure 16.11 1inSLC 16. 11 -16 )sha llbel imitedtothefo l lowing:

a

. Fornob legases  :,  ::

.500m rem /yr tothewho le bodyand,  :

.3000 mrem /yr tothesk in ;and ,

b

. Forlod ine -131 ,fo rlod ine-133 ,fortri tium ,andfo ral lrad ionuclides inpa rt icula tefo rmw ith ha lf

-lives>8days  :, :

.1500m rem /yr toany organ .

APPLICAB ILITY : Ata l lt imes .

REMED IAL ACT IONS COND ITION REQU IRED ACT ION COMPLET ION T IME A

. Dose rateno twithin A

.1 Res to re there leasera teto Immed iately limit. wi th in l im its.

TESTINGREQU IREMENTS TEST FREQUENCY TR16 .11-6-1 Ve rifytha tthedosera teduetonob legasesingaseous Inacco rdancew ith eff luen tsi swithin l imitsinacco rdancew ith the theme thodology methodo logy andpa rame te rsintheODCM . andpa rametersin theODCM TR 16.11-6-2 Ve rifytha tthedosera teduetolod ine -131 ,lod ine-133 , AccordingtoTab le tri tium ,anda llrad ionuc lidesinpa rticulatefo rmwith ha lf

- 16 .11-6-1 lives>8daysingaseouse f fluen tsi swithin l imitsin acco rdancew ith theme thodo logy andpa rame tersinthe ODCM byob tain ingrep resen ta tivesamp lesand perform ingana lysesacco rdingtoTab le 16 .11 1.

Ca tawba Un its 1and2 16.11 1 Revision 3

Gaseous E ffluents 16 .11

-6 Table16 .11-6-1 Rad ioac tive Gaseous Was te Samp l ing andAna lys is Program (page1of4

)

GASEOUS RELEASE TYPE SAMPL ING MIN IMUM TYPEOF ACT IV ITYANALYS IS LOWERL IM ITOF FREQUENCY ANALYS IS DETECT ION 1

FREQUENCY (LLD )< l(µC i/ml

)

1. Was te Gas S torageTank Pr iortoeach Prio rtoeach Pr incipa lGamma Em i tte rs\£) 1x10-4 release release (J) c:

EachTank EachTank 3 Grab Samp le 3 Il l

P rincipa lGamma Em i tte rsl"J 1x10.... -<

2. Con tainmen t Purge P r iortoeach Prio rtoeach a release release (

I l

l

) (

)

J" Jii i Each PURGE<3l Each PURGE<3l "

't CD :;; .g I l l

§*g ~

Grab Samp le c.z -

1x10-b - "c: a 31 days H

-3 (oxide) ~ £ !.

)

~;:

NCD r o n

3. Un i tVen t 7da ys l;

jJ

\J 4

7da ys lJ J P rincipa lGamma Em i tte rsl" J 1x10.... o~

..(J )

0 ::J"

:3 I

Grab Samp le ~m ~~

"""=:

~ g 0 CD CD -

H

-3 (oxide) 1x10-s

~c ~

4. Con tainmentA irRelease and 24hou rs lJJ l"J 24hou rs lJ J l"

J P rinc ipal Gamma Emi tte rs\J2 1x10-4 "'-

o

(

i

  • (")

j l CD Ill en_ .. -

Addi tion System Grab Samp le l1<> E 31 days H

-3 (oxide) 1 x10-b "' i g-ii Continuous lb J 7da ysl

'J 1x10 -'" I

i
5. All Release Typesa sLis tedin3 . 1

-131 s::

Ill Above Charcoa l Samp le  :

c i

1

-133 1X1o -

IU I ~

1x10_ ,

Continuousl0i 7daysu i P rinc ipal Gamma Emi tte rs\2J I Part icu lateSamp le Continuousl0J 31 days Gross Alpha (HJ 1x10_ ,

Compos ite Par ticula teSamp le Cont inuou s (b J 92days Sr-89,S r

-90 1x10 -11 Compos ite Par ticula teSamp le (con tinued)

Catawba Un its 1and2 16.11-6-2 Revision 3

Gaseous E fluen f ts 16 -6

.11 Table16 .11-6-1 t

ioac Rad ive Gaseous Was te Samp ing andAna l is P lys rogram (page2of4)

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tawba Un Ca ts 1and2 i .11 16 3 Revision 3

At tachmen t9 Summaryo fChangestotheO ffsi te Dose Calcu lat ion Manual Ca tawba Nuc learS tat ionUn i ts 1&2 Pe riod 1/1/2016-12 /31/2016 Gaseous E ff luen ts 16.11-6 Tab le1 6. 11 1

Radioact ive Gaseous Was te Samp l ing andAna lysis P rogram (page3o f4)

NOTES:

(1

) TheLLDisde f ined ,fo rpu rposeso fthesecomm i tmen ts,a sthesma l lest concen trat iono frad ioac tivema teria l inasamp letha twil ly ieldane tcoun t

,above systembackg round ,tha twill bede tec tedw ith 95%p robab il ityw i th only5%

probab i li tyo ffa lselyconc ludingtha tab lankobse rvationrep resentsa" real"signal.

Fo rapa rt icularmeasu remen t sys tem ,wh ich may inc luderad iochemicalsepa ra t ion:

(2.71 /T )+4 .65 sh L L D = - - - - - - - - - - -

E* V* 2. 22x106 *Y *e xp (-M t)

Whe re:

LLD= the"ap riori "lowe rlim itofde tection(m icroCu riepe run i tmass o rvo lume );

Sb=thes tanda rddev ia t iono fthebackg roundcoun tingra teo ro fthecoun t ingra teof ab lanksamp lea sapp rop riate(coun tspe rminute );

E= thecoun tinge fficiency(coun tspe rd isintegration);

V =thesamp les ize(un itso fmass o rvo lume )

6 2.22x10 =thenumbe ro fdis integ rat ionspe rm inute pe rm icroCu r ie; Y =thef ract iona lrad iochem ica ly ield,when app licable ;

A. =therad ioactivedecaycons tan tfo rthepa rt icularrad ionuc lide(sec 1

-);

M =thee lapsedt imebe tweenm idpo into fsamp leco llec tionandt imeo fcoun ting (sec );and T= thesamp lecoun t ingt ime(m in ).

Typicalva lueso fE ,V ,Yand.  :

ltsha l lbeusedintheca lcula t ion .

Itshou ldberecogn izedtha ttheLLDi sde f inedasan§ .priori(be forethefac t)limit rep resent ingthecapab il ityo fameasu remen t sys temandno tasan§ .po s te r iori (a f terthefac t)limitfo rapa r ticu la rmeasu remen t.

Ca tawba Un i ts 1and2 16 .11 4 Revision 3

A ttachmen t9 Summa ryo fChanges totheO f fsi te Dose Ca lculat ion Manual Catawba Nuc learS tat ion Un i ts 1&2 Period 1/1/2016 -12 /31/2016 Gaseous E ffluents 16.11-6 Tab le16 .11 1 Rad ioactive Gaseous Was te Samp ling andAna lys is P rogram (page4o f4)

(2

) Thep rincipalgammaem i tte rsfo rwh i ch theLLDspec ificat ionapp lie sinc ludethe follow ingrad ionu cl ide s

K r-87 ,K r-88 , Xe -133 , Xe -133m , Xe-135 , andXe -138 in nob legasre leasesba sedong rabsamp lesandMn -54 , Fe -59,Co -58 , Co -60, Zn -65, Mo -99 ,1 -131 ,C s-134 ,C s-137 , andCe -141 inIod ineandpa rticula tere leasesba sed oncon tinuoussamp le s. TheLLDfo rCe -144 i s5 x10 -9µC i

/m landi sba sedon con tinuoussamp les . Th isl istdoesno tmean tha ton lythesenuc lidesa retobe cons ide red .O the r gammapeakstha ta reiden tifiab le ,toge the rwith thoseo fthe abovenuc l ides ,sha l la lsobeana lyzedandrepo rtedintheRad ioac t ive E ffluen t Relea se Repo rt, pu rsuan ttoTechn ica lSpec i fica tion5 .6.3inthefo rma toutl inedin Regu latory Gu ide 1 .21 ,Append ixB , Re vision 1 ,June1974 .

(3

) Samp ling andana lysissha l la l sobepe rfo rmedfo llow ingshu tdown ,s ta r tup ,o ra THERMALPOWERs tab i liza tion(powe rle ve lcons tan ta tdes iredpowe rle ve l)aftera THERMALPOWERchangeexceed ing15%o fRATED THERMALPOWERw ithin a 1-hou rpe riod,fo ratleas toneo ftheth reegaseousre leaset ype swith th isno tation.

(4

) Tri tiumg rabsamp lessha llbetakena tleas toncepe r24hou r swhen there fue l ing cana li sflooded .*

(5

) Requ ired samp lingandana lys isf requencydu r inge ffluen tre lea sev iath ispa thwa y.

(6

) Thera t ioo fthesamp lef lowvo lumetothesamp leds treamf lowvo lumesha l lbe knownfo rthet imepe riodco ve redb yea chdoseo rdosera teca lcu lationmade in acco rdancew i th SLC s 16 .11 -6 ,16 .11 -8,and16 .11 -9.

(7

) Samp lessha llbechangeda tleas ton cepe r7daysandana lysessha llbecomp leted w

ith in 48hou rsa f te rchang ing ,o ra fte rremo valf romsamp ler. Samp ling sha lla lso bepe rformeda tleas ton cepe r24hou rsfo ra tleas t7da ysfo l low ingea chshu tdown ,

startup ,o rTHERMALPOWERchangeexceed ing15%o fRATEDTHERMAL POWERw ithin a1 -hou rpe r iodandana lysessha l lbecomp letedw ithin 48hou rso f chang ing . When samp lesco llec tedfo r24hou rsa reana lyzed ,theco rrespond ing LLD smay beinc reasedb yafac toro f10 . Th isrequ iremen tdoe sno tapp lyi f:(1 )

ana lys isshowstha ttheDOSE EQU IVALENT1 -131 concen t ra t ioninthereac tor coo lan thasno tinc reasedmo re thanafac to rof3 ;and(2 )thenob legasmon itor showstha te ff luen tac tivi tyha sno tinc reasedmo re thanafac toro f3 .

(8

) Thecompos itef il te r(s)wi ll beana lyzedfo ra lphaac tivityb yana lyzingonef ilterpe r weektoensu retha tatleas tfou rfilte rsa reana lyzedpe rcolle c tionpe r iod.

(9

) Samp lessha llbechangeda tleas ton cepe r7daysandana lysessha llbecomp leted w

ith in 48hou rstomee t LLD sa fterchang ing ,o ra fte rremo valf romsamp ler

.I fthe pa rt icu lateandcha r coalsamp lef requencyi schangedtoa24 -hou rf requency ,the co rrespond ingLLD sma y beinc reasedb yafac to ro f10(e .g.,LLDfo r1-131f rom 1x10 -12to1 x10 -11 µC i

/m l)

Ca tawba Un its 1and2 16.11 5 Re v ision 3

Attachmen t9 Summa ryo fChanges totheO ffsi te Dose Ca lcula tion Manual Ca tawba Nuc lea rS tat ionUn its 1&2 Per iod 111 /2016-12 /31/2016 Gaseous E f fluen ts 16 .11 -6 BASES Thebas icrequ iremen tsfo rSLCsconce rn inge ff luen tsf romnuc lea rpowe r reacto rsa res tatedin1OCFR 50 .36a . Theserequ iremen tsind ica tetha t comp liancew ith e ffluen tSLCsw il l keepave rageannua lre leaseso f radioac tivema teria l ine f fluen tstosma l lpe rcen tageso fthel im itsspec ifiedin theold10CFR 20 .106(new10CFR 20 .1301) . Theserequ iremen tsfu rther indica tetha tope ra tiona lf lexib ili tyi sallowed ,compa t iblew ith cons ide ra tions ofhea lthandsa fety ,wh ich may tempo ra ri lyresu ltinre leasesh ighe rthan suchsma l lpe rcen tages ,bu ts ti llw ithin thel im itsspec i fiedintheo ld1OCFR 20.106wh ich re fe rencesAppend ixB , Tab leI Iconcen tra t ions(MPCs ).These referencedconcen t ra tionsa respec ificva lueswh ich re la tetoanannua ldose of500m rems . I ti sfu r the rind ica tedin1OCFR 50 .36atha twhen us ing opera t iona lf lexibility,bes te ffo rtssha llbeexe r tedtokeepleve lso f radioac tivema teria ls ine f fluen tsa slowa si sreasonab lyach ievab le(ALARA )

asse tfo rthin1OCFR 50 ,Append ixI .

As statedintheIn troduc t iontoAppend ixBo fthenew1OCFR 20 ,the gaseouse ffluen tconcen tra t ion(EC )l im itsg iveninAppend ixB , Tab le2 ,

Column 1 ,a rebasedonanannua ldoseo f50m rems fo riso topesfo rwh ich inhala t iono ringes tioni slim itingo r100m rems fo riso topesfo rwh ich subme rsion(nob legases )i sl im i ting .S ince re leaseconcen trations correspond ingtol im itingdosera teslessthano requa lto500m rems /yea r to thewho le bod y,3000m rems /yea r tothesk inf romnob legases ,and1500 mrems /yea r toanyo rganf romlod ine -131 ,lod ine -133 ,t r it ium ,anda ll radionuc lidesinpa rticu latefo rmw ith ha lf -

livesg rea te rthan8daysa tthes ite bounda ryhasbeenaccep tab lea saSLC l im itforgaseouse ffluen tstoassu re thatthel im itso f1OCFR 50 ,Append ixIand40CFR 190a reno tl ike lytobe exceeded ,i tshou ldno tbenecessa rytores tricttheope rat iona lf lex ibilityb y inco rpo ra t ingthedosera teassoc ia tedw ith theEC va luefo riso topesbased oninha lation /

inges t ion(50m rems /yea r)o rthedosera teassoc iatedw ith the ECva luefo riso topesbasedonsubme rs ion(100m rems /yea r).

Having su fficien tope ra tiona lf lexib il ityi sespec iallyimpo rtan tines tab lish inga basisfo re ffluen tmon ito r se tpo intca lcu la tions . As d iscussedabove ,the concen trationss ta tedinthenew10CFR 20 ,Append ixB , Tab le2 ,Co lumn 1 ,

relatetoadoseo f50o r100m rems inayea r. When app l iedonan instan taneousba s i s,th isco rrespondstoadosera teo f50o r100 mrems /yea r.

Theselowva luesa reimp rac ticaluponwh ich tobasee ffluen tmon ito r setpoin tca lcu lationsfo rmany gaseouse f fluen tre leases itua tionswhen monito r backg round ,mon itor sens i tivity ,andmon itor pe rformancemus t be takenin toaccoun t.

There fore ,toaccommoda teope ra t iona lf lex ibi lityneededfo reffluen t releases ,thel im itsassoc iatedw ith gaseousre leasera teSLCsw il l be maintained a tthecu rren tins tan taneousdosera tel imitfo rnob legaseso f 500m rems /yea r tothewho le bodyand3000m rems /yea r tothesk in;andfo r lodine -131 ,fo rlod ine -133 ,fo rt ri t ium ,andfo rallrad ionuc lidesinpa rticu late Ca tawba Un its 1and2 16 .11 6 Revision 3

At tachmen t9 Summa ryofChanges totheO ffsi te Dose Ca lcula tion Manua l Catawba Nuc learS tat ionUn its 1&2 Pe riod 1/1/2016-12 /31/2016 Gaseous E f fluen ts 16.11 -6 BASES(continued )

fo rmw ith ha lf-l ivesg rea te rthan8days ,anins tan taneousdosera tel imito f 1500m rems /yea r toanyo rgan .

Comp l iance w ith thel im i tso fthenew1OCFR 20 .1301w il l bedemons t ra ted byope ratingw ithin thel im i tso f10CFR 50 ,Append ixIand40CFR 190 .

Opera tiona lh isto rya tCa tawba hasdemons tra tedtha ttheuseo fthedose rateva luesl istedabove( i.e.,500m rems /yea r, 3000m rems /yea r

, and1500 mrems /yea r

)a sSLCl im itshasresu ltedinca lcula tedmax imum ind ividua l dosestoMEMBERS OF THEPUBL ICtha ta resma llpe rcentageso fthe l

im itso f1OCFR 50 ,Append ix Iand40CFR 190 .

Thespec if iedre leasera tel im itsres tr ic t,a ta lltimes ,theco rrespond ing gammaandbe tadosera tesabovebackg roundtoaMEMBER OF THE PUBL ICa to rbeyondtheS ITEBOUNDARYtolessthano requa lto500 mrem /yea r tothewho le bodyandtolessthano requa lto3000m rem /yea r to thesk inf romnob legases ,andtolessthano requa lto1500m rem /yea r to an yo rganf romlod ine -131 ,lod ine -133 ,t r it ium ,anda l lrad ionuc l idesin part icu la tefo rmw ith ha l f-l ivesg rea terthane igh tdays .

Th iscomm itmen tapp liestothere leaseo frad ioac tivema ter ials ingaseous ef fluen tsf roma l lun itsa tthes ite.

Therequ iredde tec t ioncapab ili tiesfo rrad ioac tivema te rial ingaseouswas te samp lesa retabu latedinte rmso fthelowe rlim itso fde tect ion(LLDs ). Ba sed onNUREG -1301 andRegu lato ry Gu ide 1 .21 ,theLLDva lueo f1 x10-4µC i/ml fo rg rabsamp lesi son lyapp licab letonob legasesg rabsamp lesandtheLLD va luesfo rpa rticu lateandiod inerad ionuc l idesa reapp l icab letocon tinuous charcoa landpa rt icu latesamp les. TheTab le16 .11 1Gaseous Re lease TypeNumbe r 5(A l lRe lease Typesa sL istedin3 .Above ) andTypeNumbe r 6(Was teMon itor TankBu i lding Ven ti la tion Exhaus t) LLDsa rebasedon week ly samp lespe rNUREG -1301 . The rea retwoiso topesw i th assoc iated LLDstha tdono tag reed irec tlyw ith NUREG -1301  : Ce -144 , LLDo f5 x10 -

9

µC i/m l,wh ich hash is toricallybeenapp liedandach ievedfo rana lyt ica l resu lts ,and1 -133 ,LLDo f1 x10 -10µC i/m l,wh ich aga inhasbeenh isto rically 9

l isted ,a s1 x10 - µC i/m l

,fo rRad ioac tive Gaseous Was te Samp l ing bu t changedtobeinag reemen tw ith 1 -131fo rweek ly (7 -day )samp lesandi sno t spec if iedinNUREG -1301 . De tailed d iscuss iono ftheLLD ,ando the r de tec t ionl imitscanbefoundinHASL P rocedu resManua l

, HASL -300

( revisedannua lly )

,Cu rrie,L .A., "L im i tsfo rQua l ita tive De tection and Quan titative De te rm ina t ion-App lica t iontoRad iochem istry

, " Anal. Chem.40 ,

586 -93(1968 ),andHa rtwe ll

,J .K.,"De tec t ionL im itsfo rRad ioana lytica l Coun ting Techn iques ,"A tlanticR ich fie ld Han fo rd Company Repo rtARH -SA -

215(June1975 ).

REFERENCES 1. Ca tawba O ffsite Dose Ca lcu lation Manua l.

Ca tawba Un its 1and2 16. 11 7 Rev ision 3

At tachmen t9 Summaryo fChanges totheOffsi te Dose Calcu lat ion Manua l

Ca tawba NuclearS tat ion Un its 1&2 Pe riod 1

/1/2016-12 /3112016 Gaseous Ef f

luents 16.11

-6 REFERENCES (con tinued)

2. 10CFR Pa rt20 ,Append ixB .
3. 10CFR Pa rt20 .
4. 10CFR Pa rt50 .
5. 40CFR Pa rt190 .
6. NUREG -1301 .

7

. Regula to ryGu ide 1 .21.

Ca tawba Un i

ts 1and2 16

.11 8 Revi sion 3

At tachmen t9 Summa ryofChanges totheO ffsi te Dose Calcu lat ion Manua l

Ca tawba Nuc learS tat ion Un its 1&2 Pe riod 1/1/2016-12 /31/2016 Rad ioac tive Gaseous E f fluentMon i toring Ins trumentat ion 16.11-7 16

.11 RAD IOLOG ICALEFFLUENTS CONTROLS 16.11-7 Radioactive Gaseous E f fluen tMon i to ring Ins trumen ta t ion COMM ITMENT TheRad ioact ive Gaseous E f f luen tMon itor ing Ins t rumen tationchanne ls showninTab le16 .11 1sha llbeFUNCT IONALw i th the irAlarm /T rip Se tpointsse ttoensu retha tthel im itso fSLC 16 .11-6a reno texceeded .

TheA larm /Tr ipSe tpo intso fthesechanne lssha l lbede term inedand ad justedinacco rdancew ith theme thodo logy andpa rame te rsinthe OFFS ITE DOSE CALCULAT ION MANUAL (ODCM )

APPLICAB ILITY : A sshowninTab le16 .11 1 .

REMED IAL ACT IONS

- --N 0TE -- ----

Sep~rate Cond i tion entryi sallowedfo rea chFunc tion .

COND ITION REQU IRED ACT ION COMPLET ION T IME A

. One o rmo re A.1 Suspendthere leaseo f Immed iately Radioac t ive Gaseous rad ioac tivegaseous Ef fluen tMonitoring ef fluen tsmon i to red b ythe Instrumen tat ion af fec tedchanne l(s).

channe l(s

)Alarm /Tr ip Setpointless OR conse rvat ivethan required. A.2 Dec lare thechanne l(s) Immed iately non -func tional.

B

. One o rmo re 8.1 Ente rtheapp licab le Immed iately Radioac t ive Gaseous Cond it ions andRequ ired Ef fluen tMonitoring Actionsspec i fiedinTab le Instrumen tat ion 16.11 1fo rthe channe l(s

)non - channe l(s )

functional.

(cont inued)

Catawba Un i ts 1and2 16.11 1 Rev ision9

A ttachmen t9 Summaryo fChanges totheO ffsi te Dose Calcu lat ion Manua l

Catawba Nuclea rS tat ionUn i ts 1&2 Period 111/2016-12 /31/2016 Rad ioac t ive Gaseous E f fluentMon i toring Instrumentat ion 16

.11-7 REMEDIAL ACTIONS (cont inued)

COND ITION REQU IRED ACT ION COMPLET ION T IME C

. One channelnon

- C.1 Ve r ifytha tEMF -36(Low Pr iortoin i tia tinga funct ional

. Range )i sFUNCT IONAL . re lease C.2.1 Ana lyzetwoindependen t Pr iortoin i tia tinga samp leso fthetank 's re lease con ten ts .

C.2.2 Pe rform independen t Pr iortoin i tia tinga verifica tiono fthe re lease discha rgel ineva l v ing .

C.2.3.1Pe rformindependen t Pr iortoin i tia tinga ve r ifica tiono fmanua l *relea se po r tiono fthecompu ter inpu tfo rreleasera te calcu la tionspe rformedb y compu te r.

C.2.3 .2Pe rformindependen t Pr iortoin i tia tinga ve r ifica tiono fen ti re re lease calcu la tionsfo rre lease rateca lculationspe rformed manua lly .

C.2 .4 Res to re channe lto 14days FUNCT IONALs tatus.

C.3 Suspend re leaseo f Immed iate ly rad ioac tivee f fluen tsv ia thispa thway .

(cont inued)

Ca tawba Un its 1and2 16.11 2 Revis ion 9

At tachmen t9 Summaryo fChanges totheO ffsi te DoseCa lcula tion Manua l

Catawba NuclearS ta tion Uni ts 1&2 Per iod 1/1/2016 -12/31/2016 Radioac tive Gaseous E ff luen tMon i toring Ins trumentat ion 16.11-7 REMEDIAL ACTIONS (con tinued)

COND ITION REQU IRED ACT ION COMPLET ION TIME D

. One ormore flowra te D.1 Estima tethef lowra teo f Once per4hou rs measurement device there lease . du r ingre leases channel (s)non-funct ional

. AND D.2 Res to re channe lto 30days FUNCT IONALs tatus .

E

. One ormore Noble Gas E.1 Ob tain g rabsamp lesf rom Once per12hou rs Ac tiv ityMonito r e f fluen tpa thway . dur ingre leases channel (s)non-funct ional

. AND E.2 Performanana lysiso f W ithin 24hou rsof g rabsamp lesfo r obtain ingthesamp le rad ioac t ivity.

AND E

.3 Resto re channe lto 30days FUNCT IONALs tatus .

(cont inued)

Ca tawba Uni ts 1and2 16.11 3 Rev ision 9

Attachmen t9 Summaryo fChanges lo theO f fsi

\e Dose Calcula tion Manua l

Catawba NuclearS tat ion Unts 1&2 i

Period 1

/1/2016-12 /31/2016 Rad ioac t ive Gaseous E ff luen tMon i tor ing Ins trumentat ion 16.11-7 REMEDIAL ACT IONS (con tinued)

COND ITION REQU IRED ACT ION COMPLET ION TIME F

. Noble Gas Ac tivi ty F.1 ------------N 0TE - -----------

Monito r (EMF Low Ino rde rtou ti lizeRequ ired Range )p rov iding Action F.1 ,thefo llow ing automa t icte rmina t ionof cond itionsmus t be releasev iathe satisfied :

Conta inmen t Purge 1. Thea ffectedun i ti sin Exhaus tSys tem(CPES ) MODES 5o r6 .

non -funct ional. 2. EMF -36 i s FUNCT IONALandin servicefo rthea ffec ted unit

3. TheReac to r Coo lan t Systemfo rthea f fec ted unitha sbeenven ted .
4. E i the rthereac tor vesse lheadi sinp lace (boltsa reno trequ ired )

ori fitisno tinp lace ,

thel if tingo fheavy loadsove rthereac tor vesse landthe movemen to fi rrad iated fuelassemb l iesw i th in con tainmen thavebeen suspended .

Res tore thenon -func t iona l 12hou rs channe ltoFUNCT IONAL status .

G

. Requ ired Act ion and G.1 Suspend PURG ING o f Immediately assoc iatedComp letion rad ioac tivee f fluen tsv ia T

imeo fCond i tion Fno t thispa thway .

met.

OR Requ ired Act ion F .1 not ut il ized .

(con tinued)

Ca tawba Units 1and2 16.11 4 Revision 9

Attachmen t9 Summaryo fChanges totheO f fsi te Dose Calcula tion Manua l

Catawba Nuclea rSta tion Uni ts 1&2 Period 1

/1/2016-12 /31/2016 Rad ioac t ive Gaseous E ff luen tMon i toring Ins trumentat ion 16.11-7 REMEDIALACT IONS (continued)

COND ITION REQU IRED ACT ION COMPLET ION TIME H

. One o rmore sampler H.1 Per formsamp lingw i th Continuously channe l (s)non- aux il iarysamp ling functional

. equ ipmen tasrequ iredb y Tab le16 .11-6 -1.

AND H.2 Res tore channe lto 30days FUNCT IONALs tatus .

I

. One Condense r 1.1 -------------N 0TE -

Evacua t ionSystem App licabletoe ff luen t Noble Gas Act iv ity releasesv iatheCondense r Monitor (EMF-33) SteamA irE jec tor(Z J) channe lnon-funct ional

. Sys tem .

Obta in g rabsamp lesf rom Once pe r12hou rs*

ef fluen tpa thway . du r ingre leases AND 1.2 ---- ---

- ----N 0TE -----------

App licabletoe ff luen t releasesv iatheCondense r SteamA irE jec tor(Z J)

Sys tem .

Pe rformanana lysiso f Within 24hou rsof grabsamp lesfo r obtain ingthesamp le rad ioac t ivity.

AND (cont inued)

Ca tawba Un its 1and2 16.11 5 Rev ision9

A ttachmen t9 Summa ryo fChanges totheO ffsi te Dose Calcu lat ion Manua l

Catawba Nuclea rS ta tion Uni ts 1&2 Period 111/2016-12 /31/2016 Rad ioac t ive Gaseous E f fluentMon i to ring Ins trumen tat ion 16.11-7 REMEDIAL ACT IONS COND ITION REQU IRED ACT ION COMPLET ION T IME I

. (continued) 1.3 ---- -

-- ------N 0TE --

App licab letoe ff luen t releasesv iatheS team Gene ra to rS lowdown (BB )

Sys tema tmosphe r icven t valve(BB -27)intheo f f-no rma lmode .

Pe rformanana lysiso f Once pe r12hou rs grabsamp lesfo r du ringre leases rad ioac t ivitya talowe rlim i t when seconda ry 7

ofde tec tiono f10 - spec i ficactivi tyi s>

microCu r ie /ml. 0

.01 m icroCu r ie /gm DOSE EQU IVALENT 1-131 AND Once pe r24hou rs du r ingre leases when seconda ry spec i ficac t ivi tyi s~

0

.01 m icroCu r ie /gm DOSE EQU IVALENT 1-131 AND 1.4 Res to re channe lto 30days FUNCT IONALs tatus.

J

. Noble Gas Activ ity J.1 Ve r ifytha tEMF -36i s Priortoin itia tinga Monitor (EMF Low FUNCT IONAL . release Range )p rov iding automa t icte rminat ionof OR releaseviathe Containmen tAir J.2.1 Ana lyzetwoindependen t Priortoin itia tinga Release andAdd it ion samp leso fthe release Systemnon -

functiona

l. con ta inmen ta tmosphe re.

AND (continued)

Ca tawba Uni ts 1and2 16.11 6 Revision 9

At tachmen t9 Summa ryo fChanges totheO f fsi te Dose Ca lculat ion Manua l

Catawba Nuclea rStat ion Un i ts 1&2 Per iod 1/1/2016-12 /31/2016 Radioac tive Gaseous E ffluentMon i toring Ins trumen ta tion 16

.11 -7 REMEDIALACT IONS COND IT ION REQU IRED ACT ION COMPLET ION T IME J

. (cont inued

) J.2.2 Pe rfo rmindependen t Pr iortoinit iat inga ve rif ica t iono fthe re lease discha rgel ineva lving.

J.2.3.1Pe rfo rmindependen t Pr iortoinit iat inga ve rif ica t iono fmanua l re lease po rtiono fthecompu te r

inpu tforre leasera te ca lcu lationspe r fo rmedb y compu ter.

J

.2.3.2Pe rfo rm independen t Pr iortoinit iat inga ve rifica t iono fen tire re lease calcu la t ionsfo rrelease rateca lcula tionspe rformed manua lly.

AND J.2

.4 - -- --- ---NOTE --- ---

lfchanne lrema inso ris anticipa tedtorema innon -

func t iona lfor~ 90da y s,

re-eva lua tethe con figu rationo fthe af fec tedun itinacco rdance w

ith theapp l icab lepo r tions of10CFR 50 .59and10 CFR 50 .65 (a)(4 )p riorto exp irationo fthe90 -day period .

Res to re channe lto 30days FUNCT IONALs tatus .

(con tinued )

Ca tawba Un its 1and2 16.11 7 Revis ion 9

Attachmen t9 SummaryofChanges totheO f fsi te Dose Calcu lat ion Manua l

Catawba Nuclea rSta tion Uni ts 1&2 Period 1

/1/2016-12 /31

/2016 Rad ioac t ive Gaseous E ffluentMon i toring Ins trumen tat ion 16.11-7 REMED IALACT IONS (con tinued)

COND ITION REQU IRED ACT ION COMPLET ION T IME K

. Requ i red Action and K.1 Exp lainwhy thenon - Inthenex t associatedComp letion func t iona l i tywas no t scheduled Timeo fCond it ion C ,D , cor rectedw ithin the Radioact ive E f fluent E

,F ,H,I ,orJno tme t. spec ifiedComp letion Time . Release Repo r t

pursuantto Technical Specif icat ion 5 .6.3 TESTINGREQU IREMENTS

--- -NOTE ------- -

RefertoTab le16.11-7-1tode terminewh ich TRsapp lyfo rea chRad ioactive Gaseous E ff luent Moni tor ing Ins t rumen tationchanne l TEST FREQUENCY TR16 .11-7-1 PerformCHANNEL CHECK . Pr iortoeach re lease TR16 .11-7 ---

-N 0TE --------------

ForIns trumen ts1a,4 ,and5 ,aSOURCECHECK fo r thesechanne lssha l lbethequa li ta t iveassessmen to f channe lresponsewhen thechanne lsenso ri sexposed toal ight-em i tt ingdiode .

PerformSOURCECHECK . Pr iortoeach re lease TR16 .11-7-3 PerformCHANNEL CHECK . 12hours TR16 .11-7-4 PerformCHANNEL CHECK . 24hours TR 16.11-7-5 PerformCHANNEL CHECK . 7days (continued)

Catawba Units 1and2 16.11 8 Rev ision9

A ttachmen t9 Summa ryo fChanges totheO f fsi te Dose Calcu lation Manual Catawba Nuc learSta tion Uni ts 1&2 Per iod 1/1/2016-12/31/2016 Rad ioac tive Gaseous E f fluen tMon ito ring Instrumentat ion 16.11-7 TEST INGREQU IREMENTS (con tinued )

TEST FREQUENCY TR16.11 6- ----

-----N 0TE ---------

ForIns trumen ts2and3a ,aSOURCECHECKfo rthese channe lssha llbethequa li tat iveassessmen to fchanne l responsewhen thechanne lsenso ri sexposedtoal igh t-em it tingd iode .

Perfo rmSOURCECHECK . 31 days TR16.11 7 -----

----N 0TE ---------

ForIns trumen ts1a ,2 ,3a ,3 c

,5 ,and6a ,theCOT sha l l

alsodemons trate,a sapp l icab le,tha tautoma ticiso lation ofth ispa thwayandcon trolrooma larmannunc iation( for EMF -58 ,a larmannunc ia t ioni sintheMon itor Tank Build ing con trolroomandontheMon itor TankBu ild ing con t rolpane lremo teannunc ia torpane l

)occu ri fan yo f thefo llow ingcond it ionse xis t:

a

. Ins trumen tind ica tesmeasu red le ve l sabo vethe Alarm /TripSe tpo in t,o r b

. Circu i tfa ilure /

ins t rumen tdownsca lefa ilure(a la rm onl y)

PerformCOT . 9mon ths TR16.11 8 -------------------------- ----N 0TE ---------

Fo rIns trumen t4,theCOT sha llalsodemons t ra tetha t automa tici solationo fth i spathwayandcon trolroom alarmannunc iat ionoccu ri fanyo fthefo llow ing cond it ionse x i s t:

a

. Ins trumen tind ica tesmeasu red le velsabovethe A

la rm /TripSe tpo int,o r b

. Circu i tfa ilure /

ins t rumen tdownsca lefa ilure(a la rm onl y)

Perfo rmCOT . 18months (con tinued)

Ca tawba Un its 1and2 16 .11-7 -9 Re vis ion 9

A ttachmen t9 SummaryofChanges totheO ffsi te Dose Calcu lat ion Manual Ca tawba Nuclea rS ta tion Unts 1&2 i

Pe riod 111/2016-12 /31

/2016 Rad ioac t ive Gaseous E ffluen tMon ito ring Inst rumen tat ion 16

.11-7 TEST INGREQU IREMENTS con tinued TEST FREQUENCY TR16.11 9- --

-N 0TE ---- -

ForIns t rumen ts1a ,2 ,3a ,3 c

,4 ,5 ,and6a ,thein it ial CHANNEL CAL IBRAT ION sha llbepe rformedus ingone ormore ofthere ferences tanda rdsce rt if iedb ythe Nat ional Bureauo fS tanda rds(NBS )o rusings tanda rds thathavebeenob tainedf romsupp l ie rstha tpa rticipatein measuremen t assu ranceac tivitiesw i th NBS . These standardsshallpe rm itca libratingthesys temove ri ts intendedrangeo fene rgyandmeasu remen t range . For subsequen tCHANNEL CAL IBRAT ION , sou rcestha t havebeenre latedtothein i tialca l ib ra t ionsha l lbeu sed.

Perfo rmCHANNEL CAL IBRAT ION . 18months Ca tawba Un its 1and2 16 .11-7 -10 Rev ision9

At tachmen t9 Summa ryo fChanges totheO f fsi te Dose Calcu lat ion Manua l Catawba NuclearSta tion Uni ts 1&2 Per iod 1/1/2016-12/31/2016 Radioac tive Gaseous E ffluen tMon itoring Ins t rumen ta t ion 16.11 -7 Table16 .11 1 Rad ioactive Gaseous E ff luen tMon itor ing Ins trumen ta t ion(page1o f2)

INSTRUMENT REQUIRED COND ITIONS APPL ICABLE TESTING CHANNELS MODES REQUIREMENTS 1

. Waste Gas Ho ldup System

.a Nob 1 le Gas Ac tivi ty Mon ito r -Providing 1persta tion A

,C ,K Ata l lt imesexcep t TR16.11-7

-1 A

larm andAu toma t icTerm ina tiono f when theiso lat ion TR16.11-7-2 Re lease valvei sclosedand TR16.11-7-7 (EMF -50 -LowRange ) locked TR16.11-7-9 1

.b E f fluen tSys tem F lowRate Measu ring 1persta tion D,K Ata l lt imesexcep t TR16.11-7

-1 Device when theiso lat ion TR16.11-7-9 valvei sclosedand locked 2

. Condense r Evacua t ion System Nob le A,I ,K When a irejectors TR16.11-7-3 Gas Ac tivity Mon itor areinope rat ion TR16.11-7-6 (EMF -33 )(88 -27i son lyiso lat ion (ApplyRequ i red TR16.11-7-7 func tionrequ ired)(Note1 ) Action 1 .3when a i r TR16.11-7-9 e

jectorsa reno tin ope rat ion) 3

. Ven tSys tem 3.a Nob le Gas Act ivi tyMon ito r A,E,K Ata lltimes TR16.11-7-4 (EMF LowRange ) TR16.11-7-6 TR16.11-7-7 TR16.11-7-9

.b De 3 le ted.

3.c Particu late Samp ler A,H,K Ata lltimes TR16.11-7-4 (EMF -35 ) (No te2) TR16.11-7-6 TR16.11-7-7 TR16.11-7-9 3.d Unit Ven tS tack F lowRate Meter D,K Ata lltimes TR16.11-7-4 (noa larm /

tripfunc t ion

) (No te2) TR16.11-7-9 3.e UnitVen tRad iation MonitorFlowMe te r E,K Ata lltimes TR16.11-7-4 (No te2) TR16.11-7-9

4. Con tainmen t Pu rgeSys temNob le Gas A

,F,G ,K 5,6 TR16.11-7-2 ActivityMon itor -P rov idingA larm and TR16.11-7-3 Automa ticTe rm inat iono fRelease TR16.11-7-8 (EMF -39 -LowRange ) TR16.11-7-9 (cont inued

)

Catawba Un its 1and2 16.11-7 -11 Rev ision 9

Attachmen t9 SummaryofChanges totheO ffsi te Dose Calcu lat ion Manual Catawba NuclearS ta tionUnits 1&2 Pe riod 1

/1/2016-12 /31/2016 Radioac tive Gaseous E ffluentMon i toring Inst rumen ta t ion 16

.11 -7 Tab le16 .11 1 Rad ioac tive Gaseous E f fluen tMon i toring Ins t rumen tation(page2o f2)

INSTRUMENT REQU IRED CONDITIONS APPLICABLE TESTING CHANNELS MODES REQU IREMENTS 5

. Conta inmen tAirRe lease andAdd it ion A

,J ,K 1,2,3,4,5,6 TR16 .11 2

System Nob le Gas Activi ty Moni tor- TR16 .11 3

ProvidingA larm andAu toma t ic TR16 .11 7

Term inationo fRelease TR16 .11 9

(EMF LowRange )

6

. Monito r TankBu i lding HVAC 6

.a Noble Gas Ac tiv ity Monitor -Provid ing 1perstat ion A

,E ,K Atalltimes TR16 .11 4

Alarm (Note2

) TR16 .11 6

(EMF LowRange ) TR16 .11 7

TR16 .11 9

6

.b Eff luen tF lowRa te Measu r ing Device 1perstat ion D

,K Atal lt imes TR16 .11 4

(Note2

) TR16 .11 9

No te 1

These tpo inti sasrequ i redbythep r imarytoseconda ryleakratemoni tor ing program.

No te 2

Excep twhen thee ffluentpathwayismechanica l

ly isolated

thus,areleasetotheenvironmentisno tposs ible.

Catawba Un its 1and2 16.11 12 Revis ion 9

Attachmen t9 Summa ryo fChanges totheO ffsi te Dose Ca lcula tion Manua l Catawba Nuc lea rS ta tion Un i ts 1&2 Per iod 1/1/2016-12 /31/2016 Rad ioac t ive Gaseous E ff luen tMon itor ing Ins t rumen tat ion 16 .11-7 BASES TheRad ioac tive Gaseous E f fluen tMon itoring Ins trumen ta t ioni sprov idedto moni to r andcon trol,a sapp licab le,there leaseso frad ioac tivema te rials in gaseouse ff luen tsdu r ingac tua lo rpo ten tialre leaseso fgaseouse ffluen ts . The A

larm /Trip Se tpoin tsfo rtheseins trumen tssha llbeca lcu latedandad jus tedin accordancew ith theme thodo logy andpa rame tersintheODCM toensu retha t theAlarm /Tripw i ll occu rp riortoexceed ingthel im itso f10CFR Pa rt20 . The FUNCT IONAL ITYanduseo fth isins trumen tationi scons is tentw ith the requiremen tso fGene ra l Des ign C r ite ria 60 ,63 ,and64o fAppend ixAto10CFR Part50 . Thesens itivityo fanynob legasac t ivitymon ito r usedtoshow comp l iancew ith thegaseouse ffluen tre leaserequ iremen tso fSLC 16 .11 -8sha l l

6 besu chtha tconcen trationsa slowa s1x10 - µC i/cca remeasu rab le.

Regarding No te 2o fTab le16 .11 1,iso lationo fthee ffluen tpa thwayi stobeb y mechan ica l means (e .g.,va lvec losu re ).E lec tr icalo rpneuma t iciso lationi snot required,un lesstheiso lat ioni sdes ignedtore ceiveanau toma t ics igna ltoopen .

InMODES 5and6 ,in it iationo ftheCon tainmen t Pu rge Exhaus tSys tem(CPES )

w ith EMF -39non -func tiona li sno tpe rm issib le.Thebas isfo rRequ ired Ac t ion F.1 istoa llowthecon tinuedope rationo ftheCPES w ith EMF -39in itial ly FUNCT IONAL . Con tinued ope rationo ftheCPES i scon tingen tupontheab ili ty ofthea ffec tedun i ttomee t therequ iremen tsa sno tedinRequ ired Ac tion F .1 .

TR16 .11 7requ iresthe .pe rfo rmanceo faCOT ontheapp l icab leRad ioac tive Gaseous E f fluen tRad iation Mon itors . Thetes tensu restha tas igna lf romthe controlroommodu le cangene ra tetheapp rop r iatea la rmandac tua t ions . The requiredac tua tions /iso lationsfo raH igh Rad ia t ion cond ition( i

.e.,rad iationle vel abovei tsT r ip2se tpo in t)a rel istedbe lowfo rea chmon itor.

OEMF Was te Gas D ischa rge Mon itor 1WG160c loseswhen EMF -50de tec tsrad iationle ve labovei tsse tpo int.

1/2EMF Condensa te S teamA irE jec to rExhaus tMon ito r Thefo l low ingac tua tionsoccu rwhen EMF -33de tec tsrad iationle velabovei ts setpoint:

1. C losu re o f8827i srequ iredino rde rtoiso la tetheS lowdownTankf rom theenv ironmen t. Becauseo fp lan tl imitations /res trict ions :

a

. Open ing theva lve( ino rde rtove r ifyi tgoesc losedonaH igh Rad ia t ion s igna l )i son lyposs ibledu ringou tagesduetothe nega tivee ffec tsontheS lowdown Sys temw ith theun ita tpowe r

b. Tes tingdu ringinnagesw il l beb yve rif ica tiono fre laycon tac ts open ingintheva lvec ircu it.
2. C losu re o f8824,8865 ,8869,and8873i srequ i redtom inim ize the amoun to fpo ten t iallycon tam ina tedma te r ial be ingde l ive redtothe SlowdownTank .
3. C losu re o fNM269 , NM270 , NM271 , andNM272 i srequ iredtom inim ize theamoun to fpo ten tiallycon tam ina tedma terial be ingde live redtothe Conven tiona l Samp ling Sys tem.
4. Closu re o fNM267 i srequ iredtom in im ize theamoun tofpo ten tially con tam ina tedma terial be ingde l ive redtotheCondensa te S to rageTank b yiso la t ingf lowth roughEMF -34.

Ca tawba Un its 1and2 16.11 13 Revis ion9

A ttachmen t9 Summa ryo fChanges totheO ffsi te Dose Calcula tion Manual Ca tawba Nuc learS ta tion Uni ts 1&2 Per iod 1/1 /2016-12 /31/2016 Rad ioa ctive Gaseous E ff luen tMon itor ing Ins trumen tat ion 16 .11-7 BASES(cont inued )

5

. C lo su re o f8848i srequ iredtom inimize theamoun tofpo tentially con tam ina tedma ter ia l be ingde l i veredf romtheS lowdown S ystem discha rgetotheTu rbineBu ild ing sump .

1/2EMF Un i tVen tNob leGa s Mon itor Thefo l low ingac tua tionsoccu rwhen EMF -36de te c t srad iationle velabo vei ts setpo int:

1. Con tainmen tA irRe lea se andAdd i tion Sys temfan sdischargetoun itven t valveVQ10c lose s.

2

. Auxilia ryBu ilding un fi lte redven t ilationexhaus tfan sAandBs top .

3

. Fue lHand l ing Ven t i

la tion Exhaus tSys tem(FHVES )exhaus tt ra insa lign tothef il te run its.

4

. (Fo r1EMF -36on ly)1WG160c lo se s 1/2EMF Un i tVen tPa r ticu la teMon itor (Samp ler)

Thefo l low ingac tua tionsoccu rwhen EMF -35de tectsrad iationle velabo vei ts setpo int:

1. Con tainmen tA irRe lea se andAdd i tion S ystemfan sdischargetoun itven t valveVQ10c lose s.

2

. Aux i lia ryBu ilding un fil te redven t ilationexhaus tfan sAandBs top .

3

. Fue lHand ling Ven t ilation E~haust Sys tem(FHVES )exhaus tt ra insa lign tothef il te run its.

4

. ((Fo r1EMF -35on ly)1WG160c loses.

1/2EMF Con ta inmen t Nob le Ga s Mon itor Thefo l low ingac tua tionsoccu rwhen EMF -39de te c t srad iationle velabo vei ts setpo int:

1. Signa l sa rep rovidedtobo tht rainso ftheSo lidS tateP rotect ion S ystem (SSPS )toin itiateaCPES i solation .Th isi sve r if iedb yob se rv ingtha t Rela y s K615intheSSPSAou tpu tcab ine tandtheSSPSBou tpu t cab ine ta rela tched .
2. EMF -39iso la testheCPES w i thou t go ingth roughtheSSPS b ys topp ing CPES supp lyfan sAandB , CPES e xhau stfan sAandB , andb yclo s ing theapp rop r ia teva lve sanddampe rs.
3. Con ta inmen tE va cua t ionA la rm , un les sthesou r ceranget ripi sblo c ked.

OEMF -58 Thismon itorp rovide snocon tro lfun ct ion .

TR16 .11 8requ ire sthepe rfo rmanceo faCOT ontheCon tainmen t Nob le Gas Moni tor,1 /2EMF -39 . Thetes tensu restha tas igna lf romthecon trolroom module cangene ra tetheapp rop r iatea larmandac tua t ions.Therequ ired actuat ions /iso lat ionsfo raH igh Rad ia t ion cond it ion( i.e

.,rad iationle velabo vei t s Tr ip2se tpo in t)a rel istedbe low.

1/2EMF Con tainmen t Nob le Ga s Mon itor Thefo l low ingac tua tionsoccu rwhen EMF -39de tec tsrad iationle velabo vei ts setpo int:

Ca tawba Un i

ts 1and2 16.11 14 Re v ision 9

At tachmen t9 SummaryofChanges totheO ffsi te Dose Calcu lat ion Manua l

Ca tawba Nuc learS ta tionUnits 1&2 Per iod 1/1/2016-12 /31/2016 Rad ioac tive Gaseous E ffluentMon i tor ing Instrumen tat ion 16.11-7 BASES (con tinued

)

1

. S ignalsa rep rovidedtobo tht rainso ftheSo l id S tateProtect ionSys tem (SSPS )toinitiateaCon tainmen tA irRe lease andAdd i tion System iso lation.Thisi sverif iedb yobse rv ingtha trela ysK615 intheSSPST ra in Aoutpu tcabinetandtheSSPST ra inBou tputcab inetarela t ched.

2

. Con tainmen tE va cuationA la rm , unlessthesou rceranget ripisblo c ked.

REFERENCES 1

. Catawba O ffsite Do se Ca lculat ion Manua l 2

. 10CFR Pa r t20 .

Ca tawba Un it s 1and2 16.11 15 Re vis ion 9

At tachmen t9 SummaryofChanges totheO ffsi teDose Ca lcu lat ion Manua l

Catawba NuclearStat ion Un i ts 1&2 Per iod 1/1/2016-12 /31/2016 Dose-Nob le Gases 16.11

-8 16

.11 RAD IOLOG ICALEFFLUENTSCONTROLS 16

.11

-8 Dose -Nob le Gases COMMITMENT Thea irdoseduetonob legasesre leasedingaseouse f fluents

,f rom eachun it

,toa reasa tandbeyondtheS ITEBOUNDARY(seeF igure 16.11-16-1inSLC 16 .11 -16)sha llbel im itedtothefo llowing a

. During an yca lenda rqua rte r: ~ 5m rad fo rgammarad iat ion and, :1Om

rad fo rbe tarad iat ion,and b

. During anyca lenda ryea r:, :1Om

rad fo rgammarad ia tionand

~ 20m rad fo rbe tarad iation .

APPL ICAB IL ITY : Ata lltimes .

REMEDIAL ACT IONS COND ITION REQU IRED ACT ION COMPLET ION TIME A

. Calcula ted airdosef rom A .1 Prepa reandsubm ita 30days rad ioact ivenob legases Spec ial Repo rttotheNRC ingaseouse ff luen ts wh ich iden t ifiesthecauses exceedinganyo fabove fo rexceed ingthel im it s,

l imits

. co rrec t iveac t ionstakento reducere leases ,and ac tionstakentoensu re tha tsubsequen tre leases arew ithin l im its.

TEST INGREQU IREMENTS TEST FREQUENCY TR16.11-8-1 Determine cumu lat ivedosecon t ributionsf romnob le 31 days gasesingaseouse f fluen tsfo rcu r ren tca lenda rqua r ter andcu rrentca lendaryea rinacco rdancew i th the methodology andpa rame tersintheODCM .

Ca tawba Units 1and2 16.11 1 Revis ion 0

At tachmen t9 Summa ryo fChanges totheO ffsi te Dose Calcula tion Manua l Catawba NuclearS tat ion Unts 1&2 i

Pe riod 1

/1/2016-12131 /2016 Dose-Nob le Gases 16.11-8 BASES ThisSLCisp rovidedtoimp lemen ttherequ iremen tso fSec t ions11 .B,I ll

.A andIV .Ao fAppend ixI ,10CFR Pa r t50.TheCOMM ITMENT imp lemen tsthe guidesse tfo r thinSec t ion 11 .Bo fAppend ixI .TheREMED IALACT ION statemen tp rovidestherequ iredope ra t ingf lexib i li tyanda tthesamet ime imp lemen tthegu idesse tfo rthinSec tion IV .Ao fAppend ixItoassu retha t there leaseso frad ioac t ivema te rial ingaseouse ff luen tstoUNRESTR ICTED AREASw il l bekep t"aslowa si sreasonab lyach ievab le "

. TheTEST ING REQU IREMENTS imp lemen t therequ iremen tsinSec t ion I ll.Ao fAppend ixI thatcon formancew ith thegu ideso fAppend ix Ibeshownb yca lculational procedu resbasedonmode ls andda tasu chtha ttheac tua lexposu reo fa MEMBER OF THEPUBL ICth roughapp rop riatepa thwaysi sun l ike lytobe subs tan t iallyunde res t ima ted. Thedoseca lcu lationme thodo logy and parame terses tab l ishedintheODCM fo rca lcula t ingthedosesduetothe actualre leasera teso frad ioac tivenob legasesingaseouse ffluen tsa re cons is ten tw i th theme thodo logy p rovidedinRegu lato ry Gu ide 1 .109, "Ca lculationo fAnnua l Doses toMan f romRou tine Re leases o fReac tor Eff luen tsfo rthePu rposeo fEva lua ting Comp l iance w ith 1 OCFR Pa r t50 ,

Append ixI ,"Rev ision 1 ,Oc tobe r 1977andRegu lato ry Gu ide 1 .111 ,

"Me thodsfo rEstima tingA tmosphe ricT ranspo rtandD ispe rsion o fGaseous Eff luen tsinRou t ine Re leases f romL igh t-Wa te rCoo led Reac to rs," Rev is ion 1,Ju ly1977.TheODCM equa t ionsp rov idedfo rde te rm iningthea irdosesa t andbeyondtheS ITE BOUNDARYa rebasedupontheh isto r ica lave rage atmosphe riccond itions .

Thiscomm itmen tapp liestothere leaseo frad ioac tivema te r ia ls ingaseous eff luen tsf romeachun ita tthes ite . When sha redradwas tet rea tmen t systemsa reusedb ymo re thanoneun itonas ite,thewas tes f roma l lun its arem ixed fo rsha redt rea tmen t;b ysuchm ixing , thee ffluen tre leasescanno t accu ratelybeasc ribedtoaspec ificun i

t. An es t ima teshou ldbemade o fthe con tr ibu t ionsf romeachun itbasedoninpu tcond i tions ,e .g .

,f lowra tesand radioac tivityconcen trations ,o r,i fno tp rac t icab le ,thet rea tede f fluen t releasesmay bea lloca tedequa l lytoeacho ftherad ioac tiveswas te produc ingun itssha ringtheradwas tet rea tmen tsys tem . Fo rde term ining con formancetoCOMM ITMENTS , thesea lloca tionsf romsha redradwas te trea tmen tsys temsa retobeaddedtothere leasesspec if ica llya tt ributedto eachun i ttoob ta intheto talre leasespe run i t.

REFERENCES 1

. Ca tawba O ffsi te Dose Ca lculation Manua l.

2

. 10CFR Pa r t50,Append ixI .

Ca tawba Un its 1and2 16.11 2 Revision O

A ttachmen t9 Summa ryofChanges totheO ffsi te Dose Calcu lation Manua l

Catawba Nuc learS tat ionUn i ts 1&2 Period 1/1/2016 -12/31/2016 Dose-lod ine-131 ,lod ine -133 ,T r itium , andRad ioac tive Ma terial inParticulate Form 16.11-9 16

.11 RAD IOLOG ICAL EFFLUENTSCONTROLS 16

.11-9 Dose -

lod ine -131 , lod ine -133 ,T ri tium , andRad ioac tive Material in Part iculate Fo rm COMM ITMENT ThedosetoaMEMBER OF THEPUBL ICf romlod ine-131,lod ine-133 ,t r it ium ,anda llrad ionuc l idesinpa rticula tefo rmw i th ha l f-lives>8 daysingaseouse f fluen tsre leased ,f romeachun i t,toa reasa tand beyondtheS ITE BOUNDARY(seeF igu re 16 .11-16-1inSLC 16 .11 16 )sha l lbel im i tedtothefo l low ing  :

a. During anyca lenda rqua rte r:s 7.5m rem toanyo rgan ,and
b. During anyca lenda ryea s r: 15m rem toanyo rgan .

APPL ICAB IL ITY: Ata lltimes .

REMED IAL ACT IONS COND ITION REQU IRED ACT ION COMPLET ION T IME A

. Calculated dosef rom A.1 Prepa reandsubm ita 30days there leaseo flod ine- Spec ial Repo rttotheNRC 131,lod ine-133 ,tri tium , wh ich iden t ifiesthecauses andrad ioactivema terial fo rexceed ingthel im i ts ,

inpa rt iculatefo rmw i th co rrec tiveac tionstakento half

-lives>8daysin reducere leases ,and gaseouse f fluen ts ac tionstakentoensu re exceed inganyo fabove tha tsubsequen tre leases l

im i ts . arew ithin l im its.

TEST INGREQU IREMENTS TEST FREQUENCY TR 16.11-9-1 De termine cumu la t ivedosecon t ribu tionsf romlod ine - 31 days 131,lod ine-133 ,tritium ,andrad ioac t ivema terial in part iculatefo rmw i th ha lf-lives>8daysingaseous eff luentsfo rcu rrentca lenda rqua rterandcu rren t calenda ryea rinacco rdancew ith theme thodo logy and parame te rsintheODCM .

Ca tawba Un i ts 1and2 16 .11 1 Revision 0

At tachmen t9 Summa ryo fChanges totheO ffsite Dose Ca lculat ion Manua l Catawba Nuc learS tation Units 1&2 Per iod 1 /1/2016-12 /31 /2016 Dose-lod ine -131 ,lod ine -133 ,T r itium ,andRad ioac tive Ma terial inPa rticu lateFo rm 16.11-9 BASES ThisSLCisp rov idedtoimp lemen ttherequ iremen tso fSec t ions11 .C ,Ill

.A andIV .Ao fAppend ixI ,10CFR Pa rt50 ,anda rethegu idesse tfo rthin Section 11 .Co fAppend ixI .TheREMED IAL ACT ION s tatemen tsp rov idethe requ iredope ratingf lex ibilityanda tthesamet imeimp lemen t thegu idesse t forthinSec tion IV .Ao fAppend ixItoassu retha tthere leaseso frad ioac t ive mate rials ingaseouse ff luen tstoUNRESTR ICTEDAREASw ill bekep t"a s lowa si sreasonab lyach ievab le". TheODCM ca lcu lationa lme thods spec ifiedintheTEST INGREQU IREMENTS imp lemen ttherequ iremen tsin Sec t ion I l l.Ao fAppend ixItha tcon fo rmancew ith thegu ideso fAppend ixIbe shownb yca lcu la t iona lp rocedu resbasedonmode ls andda ta ,su chtha tthe actua lexposu reo faMEMBER OF THEPUBL ICth roughapp rop riate pathwaysi sun like lytobesubs tan tiallyunde res tima ted . TheODCM calcu lationa lme thodo logy andpa rame te rsfo rca lcu latingthedosesdueto theac tualre leasera teso fthesub jec tma te rials a recons isten tw ith the methodo logy p rov idedinRegu la to ryGu ide 1 .109 ,"Ca lcu la tiono fAnnua l Doses toMan f romRou tine Re leases o fReac to rE f f luen tsfo rthePu rposeo f Evalua t ing Comp liance w ith 10CFR Pa rt50 ,Append ixI ,"Re v i sion 1 ,

Octobe r 1977andRegu la to ry Gu ide 1 .111 ,"Me thodsfo rEs tima ting Atmosphe ricT ranspo rtandD ispe rsion o fGaseous E ffluen tsinRou tine Releases f romL igh t-Wa te r-Coo ledReac to rs," Re vi s ion 1 ,Ju ly1977 . These equa t ionsa lsop rov idefo rde term in ingtheac tua ldosesbaseduponthe historica lave ragea tmosphe riccond it ions . There leasera te COMM ITMENTS fo rlod ine -131 ,lod ine -133 ,tritium ,andrad ionuc lidesin particu latefo rmw ith ha lf-livesg rea te rthan8daysa redependen tuponthe existingrad ionuc lidepa thwaystoman inthea reasa tandbeyondtheS ITE BOUNDARY . Thepa thwaystha twe re exam inedinthedeve lopmen tofthe calcu lationswe re : (1 )ind ividua linha lationo fa irbo rnerad ionuc lides ,(2 )

depos it iono frad ionuc l ideson tog reenlea fyvege tationw ith subsequen t consump t ionb yman , (3 )depos itionon tog rassya reaswhe re m i l k an imals andmea t

-p roduc ing an ima lsg razew ith consump t iono fthem ilk andmea tb y man , and(4 )depos it ionontheg roundw i th subsequen texposu reo fman .

Thiscomm itmen tapp liestothere leaseo frad ioac tivema te r ia ls ingaseous eff luen tsf romea chun i ta tthes ite . When sha redradwas tet rea tmen t sys temsa reu sedb ymo re thanoneun itonas ite,thewas tesf roma llunits arem ixed fo rsha redt rea tmen t;b ysuchm ixing , thee f fluen tre leasescanno t accu ratelybeasc r ibedtoaspec ificun i

t. An es tima teshou ldbemade o fthe con tribu t ionsf romeachun itbasedoninpu tcond itions ,e .g.,f lowra tesand rad ioac tivityconcen tra t ions ,o r,i fno tp rac t icab le,thet rea tede ffluen t releasesmay bea l loca tedequa llytoeacho ftherad ioac tivewas te p roduc ing unitssha r ingtheradwas tet rea tmen tsys tem . Fo rde term iningcon fo rmance toCOMM ITMENTS , thesea lloca tionsf romsha redradwas tet rea tmen t sys temsa retobeaddedtothere leasesspec ificallya t t r ibu tedtoea chun i tto obta intheto talre leasespe run it.

REFERENCES 1

. Ca tawba O ffsite Dose Ca lcu lation Manua l.

2

. 10CFR Pa r t50 ,Append ixI .

Ca tawba Un its 1and2 16 .11 2 Re vision O

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