ML21118B065
| ML21118B065 | |
| Person / Time | |
|---|---|
| Site: | Summer  |
| Issue date: | 04/27/2021 |
| From: | Haselden R Dominion Energy South Carolina |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 21-161 | |
| Download: ML21118B065 (46) | |
Text
-- p V.C.SummerNuclear Station
- J )@QMjQjQR Bradham Blvd& Hwy 215,Jenkinsville
, SC 29065 P'
Mailing Address:
C DD@
P.O. Box 88,Jenkinsville, SC 29065 i
DominionEnergy.com April 27,2021 ATTN:Document Control Desk Serial No.21-161 U.S.Nuclear RegulatoryCommission LIC/TS/RO Washington, D.C.20555-001 Docket No.50-395 License No.NPF-12 VIRGILC.SUMMERNUCLEAR STATION UNIT1 DOCKETNO.50-395 OPERATING LICENSENO.NPF-12 ANNUALRADIOLOGICAL ENVIRONMENTAL OPERATING REPORT Enclosed istheDESCAnnual Radiological Environmental Operating Report asrequired by Section 6.9.1.6 oftheVirgil C.SummerNuclear Station Technical Specifications.
Ifthere areanyquestions, please call Ms.Tracey Stewart at (803) 931-5663.
Sincerely,
/
Robin R.Haselden
- Director, Nuclear Station Safety andLicensing V.C.SummerNuclear Station Commitments contained inthis letter:
None Enclosure cc: w/oEnclosure unless noted G.J.Lindamood
- Santee Cooper L.Dudes
- NRCRegion II(w/Enclosure)
V.Thomas
- NRCProject Manager NRCResident Inspector (w/Enclosure)
ANI(w/Enclosure)
AnuNair-Gimmi
- SCDHEC(w/Enclosure)
Dominion Energy*
ANNUAL RADIOLOGICAL ENVIRONMENTALOPERATING REPORT VIRGIL C.SUMMER NUCLEARSTATION FOR THE OPERATING PERIOD JANUARY 1,2020
- DECEMBER31,2020 i
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Brett
- Williams, Specialist Health Physics Reviewed by:
A roved by:
!t CaseyCarlson, Supervisor ToddEllison, Manager Health Physics Radiological Protection andChemistry
EXECUTIVE
SUMMARY
This Annual Radiological Environmental Operating Report describes theV.C.Summer Environmental Monitoring Program andtheprogram results forthecalendar year2020.
Included are the identification ofsamplelocations, descriptions ofenvironmental sampling andtype of analysis.
Comparisons ofpresent environmental radioactivity levels and preoperational environmental data,landusecensusevaluation, dosescalculated from environmental measurements, andasummaryofenvironmental radiological sampling results arepresented.
Quality assurance practices, sampling deviations andunavailable samples are alsodiscussed.
Sampling activities wereconducted as prescribedbytheOffsite DoseCalculation Manual(ODCM) forV.C.SummerNuclear Station (VCSNS) andapplicable Health Physics Procedures.
Required analyses were performed anddetectionlimits metforrequired samples withdeviations noted.
Samples werecollected comprising onethousand twohundred eighty-twoanalyses (1,282) performed tocompilethe data forthe2020Environmental Report.
Supplemental samples comprising twohundred ninety-five (295) analyses wereperformed on somemediaforadditional information.
Basedonthe results fromtheannual landusecensus, thecurrent number ofsampling sites forV.C.SummerNuclear Stationissufficient.
Radionuclides observed intheenvironment in2020from V.C.
Summer effluent releases werewithin therange ofconcentrations observed inthepast.
Radiation dosecalculated from sampleresults islessthanobserved withnormal fluctuation in natural background.
Itis therefore concluded thatVCSNSoperations havenosignificant radiological impact onthe health andsafety ofthepublic ortheenvironment.
i
TABLEOFCONTENTS PAGE INTRODUCTION 1
DESCRIPTION OFTHE RADIOLOGICAL ENVIRONMENTALMONITORING PROGRAM2 LANDUSECENSUS 4
MONITORING RESULTSANDDISCUSSION 4
CONCLUSION 7
ii
LISTOFTABLES TABLE PAGE 1
Monitoring MethodsforCritical Radiation Exposure 3
Pathways 2
2020Fission andActivated Corrosion Product Activity in 6
Sediment 3
Required Sampling Site Locations 8
4 Results ofthe2020Land UseCensusVerification 11 5
Critical Receptor Evaluation for 2020 12 6
Radiological Environmental Monitoring Program 13 Specifications 7
Supplemental Radiological Environmental Monitoring 18 8
Radiological Environmental Monitoring Program Summary 22 for2020 9
Radiological Environmental Monitoring Program 28 Preoperational (Baseline)
Summary 10 Results of2020Environmental Inter-Comparison Program 33 withIndependent Lab,Eckert
&ziegler Analytics, Inc.
11 2020Environmental Sampling Program Deviations 35 iii
LISTOFFIGURES FIGURE 1-1 Control Site Locations(50 mileradius around the Virgil C. Summer Nuclear Station) 1-2 Radiological Monitoring Program Local Indicator Sample Sites (5
mile radius aroundVirgil C.SummerNuclear Station) 1-3 Radiological Monitoring Program Local Indicator Sample Sites(1mile radius around VirgilC.SummerNuclear Station) 1-4 Radiological Monitoring Program Security AreaGround WaterSites.
1-5 Radiological Monitoring Program Protected AreaGround WaterSites andIndependent Spent Fuel Storage Installation (ISFSI).
iv
INTRODUCTION VirgilC.SummerNuclear Station (VCSNS) utilizes apressurized waterreactor rated at2900 MWt(990 MWegross).
Thestation islocated adjacent totheMonticello Reservoir nearJenkinsville, SouthCarolina andapproximately 26milesnorthwest ofColumbia.
VCSNSachieved initial criticality onOctober 22,1982,reached 50%powerDecember 12, 1982and100%
power June10,1983following steamgenerator feedwatermodifications.
Steam generators were replacedinthefall of1994.During theninth refuel theplant was uprated to2900 MWt (990MWegross).
VCSNSiscurrently operating inthe26th fuel cycle.
VCSNSisoperating inconjunction withtheadjacent Fairfield PumpStorage Facility (FPSF) which consistsof eight reversible pump-turbine units of60MWecapacity each.
During periods ofoff-peakpower
- demand, baseloadgenerating capacity isusedtopump water fromParr Reservoir toMonticello Reservoir. Monticello Reservoir hasasurface area ofapproximately 6800acres and lies about 150feet aboveParrReservoir whosefull pool areaisapproximately 4400acres.The pump-turbine units operate inthegenerating mode tomeetpeaksystemloads while Monticello Reservoir alsoprovides condenser cooling waterforVCSNS.Cooling water intakeand discharge strt)ctures areseparated byajetty to ensure adequate circulation within thereservoir.
VCSNSislocated inFairfield County
- which, along withNewberry
- County, makesup theprinciple areawithin a 10mileradius oftheplant.
This areaismainly forest withonly about 30%devoted tosmall farming activities principally producing small
- grains, feedcrops andbeefcattle.
Significant portions ofLexington andRichland Counties areencompassed within the20mileradius oftheplant andexhibit similar agricultural activities.
- Columbia, the state
- capital, istheonlylarge city within the50mile radius of the plant. Small agricultural concerns arepredominant, butmakeupless than50%ofthe land area. Themainindustrial activity isconcentrated aroundColumbia andisgenerally greater than 20miles fromthe VCSNS.
Liquid effluents fromVCSNSarereleased into theMonticello/Parr Reservoirs attwo discharge points:
theCirculating WaterDischarge Canal(CWDC) andtheFPSF Penstocks.
Non-nuclear drains arereleased totheCWDC.Effluent fromtheliquid wasteprocessing systemandprocessed steamgenerator blowdownarereleased through thepenstocks.
Radioactive gaseous effluents fromVCSNSarereleased fromtwopoints:
theMainPlant VentandtheReactor Building Purge
- Exhaust, allconsidered ground level releases.
In2012construction beganontheIndependent SpentFuelStorage Installation (ISFSI),
andconcluded inJanuary 2016.
Thefirst drycaskstorage campaign beganMarch 26,2016andfinished inthefirst weekofMay2016.Fourcasks wereloaded during this evolution.
A secondcampaign during thesecondquarter of2019loaded fouradditional casks totheISFSI foratotal ofeight casks.
Radioactive liquid andgaseous releases fromthefacility andtheir potential influence onthesurrounding biota andmanaretheprimary concern oftheRadiological Environmental Monitoring Program atVCSNS.Thisreport summarizes theresults oftheRadiological Environmental Monitoring Program conducted during 2020.Datatrends, control/indicat andpreoperational/operational data,inter-comparisons, andother datainterpretations are presented.
1
DESCRIPTION OFTHERADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM The Radiological Environmental Monitoring Program iscarried outinitsentirety by Dominion Energy SouthCarolina.
Theprogram hasbeendesigned tomeetthefollowing general commitments:
1 To analyze selectedsamples inimportant anticipated pathways forthe qualification andquantification ofradionuclides released totheenvironment surrounding VCSNS.
2.
Toestablishcorrelations betweenlevels ofenvironmental radioactivity and radioactive effluents from VCSNSoperation.
Theprogram utilizes the concepts ofcontrol/indicator andpreoperational
/operational inter-comparisons inorder toevaluatethe adequacy ofradioactivity source control andto realistically verify theassessment ofenvironmental radioactivitylevels andsubsequent radiation dosetoman.
Sample mediaandanalysis sensitivity requirements havebeenestablished toensure that themaximumdosepathways aremonitored and sensitivities represent asmall fraction ofannual release limits.
Theserequired Lower Limitsof Detection (LLD's) areverified to havebeenmetbycalculating Minimum Detectable Activity (MDA) foreachsamplebased onactual counting parameters relevant toeachsample.
Inall cases theachievedMDAwas lower thantheLLD.Effluent dispersion characteristics, demography, hydrology andlanduse havebeenconsidered inselection ofenvironmental sampling locations.
These criteria were usedtoestablish boththepreoperational andoperational phases oftheRadiological Environmental Monitoring Program.
Elements oftheprogram monitor the impact ofboth gaseous andliquid effluents released fromVCSNS.
Specific methods usedinmonitoring thepathways ofthese effluents which may lead toradiation exposure ofthepublic, basedonexisting demography, aresummarized below inTable1.Requirements oftheRadiological Environmental Monitoring Program are specified intheVCSNSOffsite DoseCalculation Manual(ODCM).
2
Table1 - Monitoring MethodsforCritical Radiation Exposure Pathways Effluent Release Exposure Pathway Monitoring Media T
e Gaseous Immersion Doseand Thermoluminescent Dosimetry other External Dose (TLD)
AreaMonitoring, Air
- Sampling, Vegetation(Ingestion)
Vegetation andFoodCrop
- Sampling, Milk (Ingestion)
Milk
- Sampling, Grass(Forage)
Sampling Liquid Fish (Ingestion)
FishSampling, Water
& Shoreline Surface WaterSampling, Ground Exposure (Ingestion and WaterSampling, Shoreline and Immersion)
Bottom Sediment
- Sampling, Drinking Water Drinking WaterSampling Inestion Monitoring sites indicative ofplant operating conditions aregenerally located within a
5 mileradius oftheplant.
Table6 provides a list of ODCM requiredsampling locations.
Table7 provides a list ofsupplemental samplinglocations.
Mapsshowing radiological environmental sampling locations within aradius ofapproximately 5miles fromVCSNSare presented asFigures 1-2through 1-5.
Figure 1-1shows monitoring sitesatdistances greater than10miles fromtheplant.
Background
radiation levels varyacross themonitoredareaof interest.
Inaddition topreoperational/operational datainter-comparisons, control/indicator datainter-comparisons areutilized.
Thisisdonetoassess theprobabilitythat anyobserved abnormal measurement ofradioactivity concentration isduetorandom orregional fluctuations rather thantoatrueincrease inlocal environmental radioactivityconcentration.
Environmental dataisgatheredthrough multiple typesof sampling and measurements atspecific locations.
Several multiple sampling combinations arein use aroundtheVCSNS.Forexample, allairsampling locations serveas environmental dosimetry monitoring locations.
Atthese locations, airborne plant effluents aremonitored for gammaimmersion dose(noble gases),
inaddition toaircontaminants.
Monitoring locations Site6 (1.0 mileESE) andSite7 (1.0 mileE)havebroadleaf vegetation gardens for monitoring gaseous effluent deposition (ingestion pathway) inthetwosectors having the highest deposition coefficients (D/Q) withreal potential forexposure.
Monitoring location Site 18(16.5 milesS)serves asacontrol location fordirect radiation andSite40(11.9 miles SSE) serves asacontrol location forgarden monitoring.
Liquid effluents aremonitored using three different monitoring media(fish, bottom sediment andsurface water) atthetwomostprobable affected bodies ofwateraround the plant:
Site 21,ParrReservoir (2.7 milesSSW)andSite 23,Monticello Reservoir (0.5 miles ESE).
Thecontrol location forliquid effluent comparisons isatSite 22,NealShoals(26.0 miles NNW) ontheBroadRiver.
3
Quality ofanalytical measurements isdemonstrated byparticipation ina laboratory inter-comparison program.
Results oftheinter-comparison program withanoutside vendor and VCSNS CountRoomweresatisfactory in2020andaresummarized inTable10.The results ofeachofthese quality control checks oftheRadiological Environmental Monitoring Program verify thetechnical credibility ofanalytical datagenerated andreported bythe program.
LANDUSECENSUS Annually a land use censusisperformed within a5mileradius ofVCSNStoverify theappropriate sitingof sample locations. Inaddition, thelocation ofthemaximumexposed individual (MEI) isidentified toensure theappropriate location isusedforcalculation of offsite doseimpact from Summer Stationgaseous effluents.
Theresults ofthelanduse census performed in2020are included inTable 4.A verification ofthemaximumexposed individual location ispresentedin Table 5.Identification ofthehighest offsite doselocations wasperformed bycalculating ahypothetical dosebasedonsource termfromtheOperating License Environmental Report and2020 meteorological data.
Exposure pathways modeled intheanalysis werethose identified during the landusecensus.
Thelocation andpathway presentlyused intheODCMforoffsite organdose calculations (E1,1miles
- residence/garden) wasfound tohavethehighest calculated dose.
Inaddition, theODCMrequired environmental gardens (ESE1.0andE 1.0miles) were found tohavecalculated doseshigher thananyreal receptor.
Therewerenomilking animals ordairy activity foundwithin 5 kilometers ofVCSNS.Therefore, changestotheODCM gaseous effluent calculations orgarden sample locations are not indicated.
MONITORING RESULTSANDDISCUSSION Theresults oftheRadiological Environmental Monitoring Program for2020are summarized inTable8.Forcomparison, preoperational dataaresummarized inTable9.
The Radiological Environmental Programattained a program compliance rateof approximately 99.8%.
A listing ofprogram deviations andtheir respectivecauses are included inTable11.Analysis oftheimpact ofthese omissions verified that program quality hasnotbeenaffected.
Corbicula harvest forpossible humanconsumption wasobserved inLake Monticello in2005.Since thattimeCorbicula analysis hasbeenincorporated intheSupplemental Sampling Program.
Samples werecollected andanalyzed forgammaemitting isotopes.
No gammaemitting nuclides weredetected.
Grossbetaactivities measured inairparticulate samples collected atindicator locations around VCSNSwereconsistent withpreoperational levels andnotstatisticall significant fromcontrol locations.
Thehighest site-specific meanactivity (2.13E-2 pCi/m3) wasmeasured atindicator location Site30(Construction SiteGate0.5milesSSW).
The results indicate that theoperation ofVCSNShasnotcontributed todetectable increases of airborne gross betaactivity intheenvironment.
Gammaspectroscopy measurements ofcomposited airparticulate samples and activated charcoal cartridges support thegrossbetaactivity trend.
Onlynatural background 4
activities weredetected.
Thehighest MDAvalues atindicator locations
- for13403, 137Cs and 131IWere2.02E-3, 2.10E-3 and1.72E-2 pCi/m3, respectively andallmetprogram analytical requirements fordetection capability.
Airsamplecollection rateforindicator/control air sam'ples was100%.
Environmental dosimetry measurements did not differ significantly from preoperational measurements.
Indicator andcontrol dosimetry measurements also showed noappreciable differences.
Comparisonwithother operational years showsnostatisticall significant difference.
Monitoring location Site 55(St.
Barnabas Church 2.8milesE)wasthe indicator locationshowing thehighest meanexposure rateof1.05E+1 pR/hr.
Thisvalue is consistent withthehighest meanexposure rateof1.40E+1 pR/hr measured during the preoperational period.in April of2015sixTLDsites wereaddedtotheEnvironmental Dosimetry program.
These added TLD'swereplaced aroundtheboundary ofthe Independent SpentFuel Storage Installation (ISFSI) whichbegancaskstorage onMarch 26,2016.Todatethere hasbeen nostatistically significant increase indoserateabove background fromDryCaskStorage activities.
TLD samplecollection rateforall indicator/control was98.5%.
Gammaspectroscopy measurements ofsurface watersamples didnotindicate the presence ofactivated corrosion orfission products abovetherespective MDAforindicator sites.
Tritium analysis didnotindicate the presence oftritium abovetherespective MDAfor indicator sites.
Samplecollection rateforall indicator/control surface watersamples was 100%.
Gammaspectroscopy measurements oftheODCM required groundwatersamples didnotindicate thepresence ofactivated corrosion orfissionproducts abovetherespective MDAs.Tritium wasdetected within thesite boundary atSite 123 (NPDES WellGW-160.34 miles SSE),infourquarterly samples atconcentrations of2.80E+3 pCi/L, 2.28E+3pCi/L, 1.92E+3 pCi/L, and1.93E+3 pCi/L.
GW-16isashallow supplemental monitoring site used tomonitor forchemical contaminants around theIndustrial andSanitary Waste Treatment System.
Ifthis ground waterrepresented a credible exposure pathway, maximum dose projection assuming consumption of730liters peryearwould result inadose that doesnot exceed 0.25mrem.Theselevels aresubstantially less thanthe2.00E+4 pCi/L drinking water standard.
Sample collection rate forindicator/control ground watersamples was100%.
Gammaspectroscopy measurements ofdrinking watersamples collected fromSite 28(Jenkinsville water supply) andSite17(Columbia WaterWorks25.0milesSE)didnot indicate thepresence ofactivated corrosion orfission product activity abovetherespective MDAs.Tritium wasdetected aboveMDAin1sample takenatSite17(Columbia Water Works25.0milesSE) ataconcentration of9.35E+2 pCi/L.
Thisconcentration iswell below thedrinking waterstandard of2.0E+4pCi/L.
Ifanindividual consumed drinking waterata concentration of9.35E+2 pCi/L fortheentire
- year, assuming atotal consumption of730
- Liters, theresulting dosewouldhavebeenlessthan0.1mrem.Samplecollection rate for indicator/control drinking water samples was100%.
Therewerenomilksamples collected in2020.Milksampling isrequired tobe performed atthethree highest doselocations within 5kilometers oftheplant orat5to8 kilometers oftheplant, ifdosesarecalculated tobegreater than1mrem/year.
Presently thereareno locations meeting thiscriteria forindicator dairies.
Theclosest dairy is approximately 7kilometers fromtheplant(see Table4).
Milk samples will beobtained from 5
thisdairy ifgaseous releases fromtheplant exceed5%ofquarterly organdoselimits or radionuclides (attributed totheoperation ofVCSNS) aredetected inbroadleaf vegetation, grass orairsamples atconcentrations greater thanrequired LLDs.
Gamma spectroscopy measurement ofsupplemental grasssamples collected indicated 137CS in5 of12samples atSite2 (transmission line1.2milesSW)at concentrations ranging from1.76E+1pCi/kg to 8.04E+1pCi/kg.
The maximum preoperational control a.ctivity was 3.40E+2pCi/kg.
Samplecollection ratefor indicator/control supplemental grass was100%.
Gammaspectroscopy measurements wereperformed onsupplemental grassand soil samples collectedin response toaliquid effluent spill in2011atSite 25(Fairfield Pump Storage Remediation Area 0.9 miles WNW).Noneofthegrass andsoil samples collected indicated thepresence ofactivated corrosion orfission products abovetherespective MDAs.
Gammaspectroscopy measurements ofthebroadleaf samplescollected didnot indicate thepresence ofactivated corrosion orfissionproducts abovetherespective MDAs.
AIIoftherequired indicator/control broadleaf samples werecollected.
Gammaspectro.scopy measurements of all non-leafy (other vegetation) supplemental samples collected didnotindicate thepresenceof activated corrosion orfission products abovetherespective MDA.
Gammaspectroscopy measurements offish samples collected indicated 13703 jn1 of6samples taken atSite21(Parr Res.2.7miles SSW)at a concentration of1.19E+1 pCi/kg.
Alloftherequired indicator/control fish samples werecollected.
Gammaspectroscopy measurements ofsediment samples detected 137CSin2of2 indicator samples taken atSite 21(Parr Res.2.7milesSSW) atconcentrations of4.82E+1 and3.24E+1 pCi/kg.
137CSWaS alSOdetected in2of2 control samples taken atSite22 (Neal Shoals 26milesNNW) atconcentrations of1.52E+1 pCi/kg and5.30E+1 pCi/kg.
Historically 137CS leVels atthecontrol site haveranged from1.8E+1 pCi/kg to1.0E+3 pCi/kg.
Thelevel of137CS ObSerVed atSite21(Parr Res.2.7milesSSW)isconsistent with background conditions intheenvironment.
- However, ifthe137CS WaS attributed toSummer Station thedosewouldbe0.004 mrem/year.
AIIrequired indicator/control sediment samples werecollected.
Table2 - 2020Fission andActivated Corrosion Product Activity inSediment Corresponding Location RadionuclideActivity (pCi/kg)Calculated AnnualDose E uivalent mrem/r Total Bod Maximum Mean Maximum Mean p,
Reservoir 4.82E+1 4.03E+1 4.05E-3 3.39E-3 137Cs 6
CONCLUSION Asinprevious yearsofVCSNSoperation, thepresence offission product activity attributed toresidual fallout fromatmospheric weapons testing andtheChernobyl accident were detectedinenvironmental mediaincluding sediment andgrass.
No detectable fission oractivation product activity attributed toVCSNS operations was observed inenvironmental mediawiththeexception of:
Tritium in supplemental ground watersamples taken atSite 123(NPDES Well GW-160.34 miles SSE) within thenuclear
- station, ownercontrolled area.
a Tritium inadrinking water sample taken atSite17(Columbia WaterWorks25 milesSE).
Theaverage natural background for direct exposureasdetermined fromcontrol locations is68.9mrem/year.
Thehypothetical calculated maximumexposure fordrinking waterandsediment exposure iswell within the normal fluctuationsofnatural terrestrial and cosmic background.
Thisdosewouldnotbeexpected toresult inobservable effect onthe ecosystem orgeneral public.
Theresults oftheRadiological Environmental Monitoring
- Program, therefore, substantiate thecontinuing adequacy ofsource control atVCSNSand conformance ofstation operation to10CFR50,Appendix Idesign objectives.
7
Table 3 - Required Sampling Site Locations MiEEEEiEEMM MiEMEM EEEEEEEEEM EiEEM MEEEEEMEEEEEEiEEEE EiEM EEiiBEEEMEM EMEHME EEEEEEEiMEM EIMEEEEM EIEEiEEEEEE EEEiH EEEEEEIM EEEIEEEM EEEMEEEEMM EIEREMEEM EEEEEEEEEMEEM EEEEEEEEMEEM EEEEIEEIEEMEM EEEEEEEEEEM EEEiEEEEEM EERMEEiBMEEEMEEM EEEMEEEMEiiMEM EEEEEEEEEMM EEEMEEEEEEEEEM EEEMEAEEEEEEEEEMEM EEEEEEEMEEM EENIEEEEEIEEEliEEEEliBMMEHEEEMEM EEEEHiEEEMEM EEEEHEEEMEEM EIEiEEEMEEM EIEEEEEEMEM EEEEEEEEEMEEM ii i
ii ii ii i
8
Table3(cont)
- Required Sampling SiteLocations EEEMEEEiMEM EEEEEEEEMM EEEMiBEMM EEEEEEEEEM EEEEEEEEMM EEEEEiEEEEM EEEMEEEMEM EEEMEEEEM EEEMEEHMEEEEEEM EEEMEEEEEEEEEM EEEEEEEEMM EEE EEEEEEEEE IIIIliliE EEEE AWEl!EM lilEliE
!I1111E EilililiBIM EAEBEIE AEIilillMMEEil!M 9
Table3(cont)
- Required Sampling SiteLocations Footnotes 1.
Distance givenisthedistance between thesite location andtheVCSNSreactor containment building.
2.
Direction given indegrees fromtruenorth-south line through center ofreactor containment building.
3.
Sample Types:
AP= Air Particulate GW= Ground Water GA= Garden RI= Air Radiolodine DW= Drinking Water FH= Fish DQ= Quarterly TLD MK = Milk BS= Bottom Sediment SW= Surface Water GR
= Grass(Forage) 4.
Sites 14and16arenotpresently inuse. Ifconditionschange, requiring arenewal of dairy sampling these sites will bereactivated.
5.
Site 30consists oftwolocations inthesame sector.
Theairsampler islocated 0.5 miles fromthereactor tosupport construction ofa newfacility.
TheTLDislocated 1.0milefromthereactor inthesamesector.
6.
Site 40(11.9 milesSSE) serves asacontrol location for garden monitoringwhichis thelocation oftheStation's Emergency Operating Facility.
10
Tabe 4Resuts ofthe 2020 Land Use Census Verification NEAREST NEAREST NEAREST No.
NEAREST No.
SECTOR RESDENCE MLES GARDEN LE CATTLE LKE MLES GOAT MLKED MLES N
P.Oiver 373 NNE Thonas Crumbin 296 NE Gregory Guinyard
.5 ENE Bessie Gregg
.53 E
RoyMeadory
.8 ESE Carrie Lee Marin
.04 SE Mary Whie
.44 SSE Ronnie Mann 239 S
Key Bouw are 354 Shirey Couns O
49 SSW Hope Carer 302 SW Wiiam Wadrop 284 WSW 243 Peak Rd 325 W
Meyer Windmi Rd 249 Graham Dairy 482 WNW C
CMann 259 BRandy Wiedemann 46 NW Louise Workman 386 NNW Frank March 286 AChange nCoses Residen BChange nCoses Garden CChang nCoses Beef Cae DChang nCoses Goa
Table5Critical Receptor Evaluation for2020 DOSE*
NAME SECTOR MILES PATHWAY X/Q D/Q mReml P.Oliver N
3.73 Res 1.98E-07 5.86E-10 7.38E-03 T.Crumblin NNE 2.96 Res 3.93E-07 1.31E-09 1.47E-02 G.Guinard,Jr.
NE 1.5 Res 2.09E-06 7.37E-09 7.86E-02 B.Gre ENE 1.53 Res 1.80E-06 6.31E-09 6.78E-02 Garden7**
E 1
Res,Gar 3.70E-06 1.50E-08 3.97E+00 R.Meado1 E
1.18 Res 2.48E-06 9.80E-09 9.37E-02 Garden6**
ESE 1
Res,Gar 2.08E-06 7.85E-09 2.10E+00 C.L Martin ESE 1.04 Res 1.89E-06 7.09E-09 7.12E-02 M.White SE 1.44 Res 6.16E-07 3.17E-09 2.37E-02 R.Mann SSE 2.39 Res 1.02E-07 7.27E-10 4.04E-03 K.Boulware S
3.54 Res 4.73E-08 4.45E-10 1.92E-03 S.Counts S
4.9
- Res, B
2.43E-08 2.16E-10 2.24E-02 H.Carter SSW 3.02 Res 7.23E-08 9.30E-10 3.06E-03 W.Waldro SW 2.84 Res 8.86E-08 1.22E-09 3.79E-03 243PeakRd WSW 3.25 Res 6.67E-08 6.56E-10 2.72E-03 MaerWindmill Rd W
2.49 Res 1.38E-07 8.96E-10 5.41E-03 GrahamDai***
W Res,C/M 1.79E-01 CCMann WNW 259 Res 8.46E-08 3.86E-10 3.23E-03 R.Wiedemann WNW 4.16 Res,Gar 3.12E-08 1.31E-10 3.47E-02 L Workman NW 3.86 Res 8.10E-08 2.99E-10 3.05E-03 F.March NNW 2.86 Res 2.95E-07 9.34E-10 1.10E-02 ODCMOr anDose E
1.1 Res,Gar 2.93E-06 1.17E-08 3.11E+00 Pathway Res= Residence B= Beef G= Goat Gar= Garden C/M= Cow/Milk(Infant)G/M= Cow/Milk(infant)
Footnotes:
Maximumexposed individual.
Hypothetical dosebasedonOperating License Environmental Report Source Term.
ODCMrequired environmental gardens.
Dosessummedtogive total forreceptor.
Resident doseat5.14miles andCow/Milk doseat4.82miles.
12
Table6-Radiological Environmental Monitoring Program Specifications Exposure Criteria forSelection of Sampling andCollection Sample Type& Frequency of Pathway and/or SampleNumber& Location Frequency Location Analysis AIRBORNE:
I.Particulate A)3Indicator samples from Continuous sampler operation 2
Grossbetafollowing filter locations close tothesite withweekly collection.
7 change; Quarterly
- boundary, indifferent 30 composite (bylocation)
- sectors, ofthehighest forgammaisotopic.
calculated annualaverage ground level D/Qordose.2 B)1Indicator sample tobe Continuous sampler operation 6
Gross betafollowing filter taken closeto the site with weekly collection.
change; Quarterly boundary inthe sector composite (bylocation) corresponding tothe forgammaisotopic.
residence having the highest anticipated offsite ground level concentration ordose.2 C)1Indicator sample tobe Continuous sampler operation N/A Grossbetafollowing filter taken atthelocation ofone with weekly collection.
change; Quarterly ofthedairies being composite (bylocation) sampled meeting the forgammaisotopic.
criteria ofVII(A).24 D)1Control sample tobe Continuous sampleroperation 17 Grossbetafollowing filter taken atalocation atleastwithweekly collection.
change; Quarterly 10airmiles fromthesite composite (bylocation) andnotinthemost forgammaisotopic.
prevalent winddirections.2 II.
RadiolodineA)3Indicator samples tobe Continuous sampler operation 2
GammaIsotopic for taken attwolocations as withweekly canister collection.7 lodine131weekly.
given inI(A) above.
30 B)1Indicator sample tobe Continuous sampler operation 6
Gamma Isotopic for taken atthelocation as withweekly canister collection.
lodine 131 weekly.
given inI(B) above.
C)1Indicator sample tobe Continuous sampler operation N/A Gamma Isotopic for taken atthelocation as withweekly canister collection.
lodine 131weekly.
given inI(C) above.
D)1Control sample tobe Continuous sampler operation 17 GammaIsotopic for taken atalocation similarwithweekly canister collection.
lodine 131weekly.
innature tol(D) above.
13
Exposure Criteria forSelection of Sampling andCollection Sample Type&Frequency of Pathway and/orSampleNumber& Location Frequency Location Analysis lil.
Direct A)13Indicator stations to Monthly orquarterly 1,2,3,4,5,6, Gammadosemonthly or formandinner ring of exchange5J twoormore 7,8,9,10,29, quarterly.
stations inthe13 dosimeters ateachlocation 30,47 accessible sectors within 1
to2miles oftheplant.
B)16 indicator stations toform Monthly orquarterly 12,13,32,33, Gammadosemonthly or anouter ringofstations in exchange5.7 twoormore 34,35,36,37, quarterly.
the16 accessible sectors dosimeters ateachlocation.41,42,43,44, within 3to 5miles ofthe 46,53,55,60 plant.
C)11Stations tobe placed in Quarterly exchange7; twoor 16,17,18,19, Gammadosequarterly.
special interest areas such moredosimeters ateach 20,31,45,52, aspopulation
- centers, location.
54,56,58 nearby residences, schools andin4or5areas toserve ascontrols.
D)6Stations tobeplaced Quarterly exchange7 twoor 78,79,80,81, Gamma&neutron dose around theISFSI more dosimeters ateach 82,83 quarterly.
boundary.
location.
WATERBORNE IV.Surface A)1indicator sample Timecomposite samples6 with 213 Gammaisotopic monthly Water downstream tobetaken at collection every month.5 with quarterly composite alocation whichallows for (bylocation) tobe mixing adilution inthe analyzed fortritium.7 ultimate receiving river.
B)1Control sample tobe Timecomposite samplesewith223 GammaiSOtopiC monthly taken atalocation onthe collection everymonth.s with quarterly composite (bylocation)tobe receiving river sufficiently analyzed fortritium.7 farupstream suchthat no effects ofpumpedstorage operation areanticipated.
C)1Indicator sample tobe Timecomposite samplese with 233 Gamma lSOtopic monthly taken intheupperreservoir collection every month 5
with quarterly composite ofthepumpedstorage (bylocation) tobe facility attheplant analyzed for tritium.7 discharge canal.
V.Ground WaterA)12Indicator samples tobe Quarterly grabsampling.7 6,26,27, Gammaisotopic and taken within theexclusion 101-103, tritium analyses boundary andinthe
- 106, quarterly.7 direction ofpotentially 108,110, affected ground water 112-114 supplies.
B)1Control samplefrom Quarterly grabsampling.7 59 Gammaisotopic and unaffected location.
tritium analyses quarterly.'7 14
Criteria forSelection of Sampling andCollection Sample Type&Frequency of Pathway a d/or SampleNumber&Location Frequency Location Analysis Sam le VI.Drinking A)1Indicator sample froma Monthly grabsampling.5 28 Monthly5 gammaisotopic Water nearby public ground water andgross betaanalyses supply source.
andquarterly7 composite fortritium analyses.
B) 1 Indicator (finished water)
Monthly composite sampling.
17 Monthly5 gammaisotopic sample fromthenearest andgross betaanalyses downstream watersupply.
andquarterly7 composite fortritium analyses.
C)1Control (finished water)
Monthly composite sampling.
39 Monthly5 gammaisotopic sample fromanunaffected andgross betaanalyses water supply.
andquarterly7 composite fortritium analyses.
INGESTION:
Vil.Milk4 A)Samples frommilking Semimonthly whenanimals Tobe Gammaisotopic andI-animals in3locations areon pasture5 monthlyother supplied131analysis within 5kmhaving the times5 whenmilk semimonthly5 when highest dosepotential.
If animals are animals areonpasture, there arenonethen1 found in monthly other times.5 sample frommilking accordance animals ineachof3areas withcriteria between 5to8kmdistance VIIA.
wheredosesarecalculated tobegreater than1mrem peryear 15 B)1Control sample tobe Semimonthly whenanimals 16 Gammaisotopic andI-taken atthelocation ofa areonpasture5 monthly other 131analysis dairy
>20miles distancetimes,5a' semimonthly5 when andnotinthemost animals areonpasture, prevalent winddirection.2 monthly other times.5 C)1Indicator grass (forage)Monthly whenavailable 5
Tobe Gamma isotopic.
sample tobetaken atthe supplied location ofoneofthe whenmilk dairies being sampled animals are meeting thecriteria of found in VIl(A),
- above, when accordance animals areonpasture.
with criteria Vll.A.
D)1Control grass (forage)Monthly whenavailable.50'16 Gammaisotopic.
sample tobetaken atthe location ofVII(B) above.
15
Exposure Criteria forSelection of Sampling andCollection Sample Type&Frequency of Pathway and/or SampleNumber&Location Frequency Location Analysis VIII.
Food A)2samples ofbroadleaf Monthly whenavailable?
6 Gammaisotopic onedible Products vegetation growninthe2 7
portion.
nearest offsite location of highestcalculated annual average ground level D/Qif milk sampling isnot performed within 3kmorif milk sampling isnot performed atalocation within 5to 8kmwherethe dosesare calculated tobe greater than1mrem/yr.10 B)1Control sample for the Monthlywhenavailable?
40 Gammaisotopic onedible samefoods taken atleast portion.
10miles distance andnot inthemostprevalent wind direction ifmilk sampling is notperformed within 3km orifmilk sampling isnot performed atalocation within 5to8kmwherethe dosesarecalculated tobe greater than1mrem/yr.10 IX.Fish A)1Indicator sample tobe SemiannualS collection.1 233 GammaiSOtopic onedible taken atalocation inthe portions semiannually.S upper reservoir.
SemiannualS collection.1 213 Gamma isotopic onedible B)1Indicator sample tobe taken atalocation inthe portions semiannually.9 lower reservoir.
C)1Control sample tobe SemiannualS collection.1 223 taken atalocation onthe portionssemiannually.S receiving river sufficiently farupstream suchthat no effects ofpumpedstorage operation areanticipated.
AQUATIC:
X.Sediment A)1Indicator sample tobe Semiannual grabsample.S 233 Gammaisotopic.
taken atalocation inthe upper reservoir.
B)1Indicator sample tobe Semiannual grabsample.S 213 Gammajgotopje, taken onornearthe shoreline ofthelower reservoir.
C)1Control sample tobe Semiannual grabsampleS 223 Gammaisotopic.
taken atalocation onthe receiving river sufficiently farupstream suchthat no effects ofpumpedstorage operation areanticipated.
16
Table 6(cont)
- Radiological Environmental Monitoring Program Specifications FOOTNOTES 1.
Fish include 3groups (Bass, Bream/Crappie, Catfish/Carp.)
2.
Sample sitelocations arebasedon5-year average meteorological analysis.
3.
Though generalized areas arenotedforsimplicity ofsample site enumeration,
- airborne, waterandsedimentsampling isdoneatthesamelocation, whereas biological sampling sites aregeneralized areas inordertoreasonably assure availability ofsamples.
4.
Milking animal andgardensurvey results will beanalyzed annually.
Ifthesurvey should indicate newactivity theowners shall becontacted withregard toacontract forsupplying sufficient samples.
Ifcontractual arrangements canbemade,site(s) will beaddedfor additional milk sampling uptoatotal of three Indicatorlocations.
5.
Nottoexceed 35days.
6.
Timecomposite samples aresamples whichare collected withequipment capable of collecting analiquot attimeintervals whichareshort relative tothecompositing period.
7.
Atleast onceper100days.
8.
Atleast onceper18days.
9.
Atleast onceper200days.
- 10. Thedoseshall becalculated forthemaximumorganandage group, usingthe guidance/methodology contained inRegulatory Guide1.109, Rev.1and the parameters particular tothesite.
- 11. Milk andforage sampling atthecontrol location isonlyrequired whenlocations meeting thecriteria ofVil(A) arebeing sampled.
17
Table7
- Supplemental Radiological Environmental Monitoring ExposurePathway Criteria forSelection of Sampling and Sample Type& Frequency of and/or Sam le Sam leNumber&Location Collection Freuenc Location Analsis AIRBORNE:
S-l.Particulate A) 1Indicatorsample Continuous sampler 8
Grossbetafollowing monitoring thenearest operation with weekly filter change; Monthly community with thehighestcollection.
Composite (by anticipated doseorground location) forgamma level concentration.
isotopic.
S-II.Radiolodine A)1indicatorsample tobe Continuous sampler 8
Gammaisotopic for taken from the location of operation with weekly I-131 weekly.
S-1(A) above.
collection.
S-III.
Direct A)5stations tobeplaced Quarterly exchange7; two 61,62,63,Gammadose within theexclusion ormoredosimetersat 68&99 quarterly.
boundary.
each location.
B)2stations tobeplaced Quarterly exchange7; two 94,97 Gammadose around VCSNSsludge ormore dosimeters at quarterly.
lagoons.
each location.
WATERBORNE:
S-IV.Surface A) 1indicator sample tobe Composite samples with 77 Gammaisotopic and Water taken ofthecombined monthly collection 13,5
- tpjtjum, wastewater discharge.
B)1indicator sample taken at Daily sample with 72,73 Gammaisotopic and eachstorm drain outfall.monthly composite.
S-VI.Drinking A) 1Indicator (finished water)
Quarterly.
99 Quarterly gamma Water sample tobetaken onsite.
- isotopic, gross beta and tritium analysis.
B) 1indicator (finished water)
Quarterly.
31 Quarterly gamma sample ofpublic system.
isotopic,gross beta andtritiumanalysis.
18
Exposure Pathway Criteria forSelection of Sampling and Sample Type& Frequency of and/or Sam le Sam leNumber&Location Collection Freuenc Location Analsis INGESTION:
S-Vil.
Milk4 A)1Sample fromoneofthe Biweekly grab 14 Gammaisotopic and nearest affected dairies at sample.a,14.+
I-131 analysis orbeyond 5miles.
biweekly.
B) 1Control sample tobe Biweekly grab 16 Gammaisotopic and taken atthelocation ofa sample.e,14,+
I-131 analysis dairy greater than20miles biweekly.
distance andnotinthe mostprevalent wind direction.
C)1Indicator grass (forage)
Monthly when 14 Gammaisotopic.
sample tobetaken atthe available.14 location ofS-VII(A)above.
S-Vil.
Milk4 D)1Control grass (forage)
Monthly when 16 Gammaisotopic.
sample tobetaken atthe available.14 location ofS-Vil(B) above.
E)2Indicator grass (forage)Monthly when available.
2,7 Gammaisotopic.
samples tobetaken at2 of thelocations beyond butas close totheexclusion boundary aspractical wherethehighest offsite sectorial ground level concentrations are anticipated.
F)1Control grass(forage)Monthly whenavailable 40 Gammaisotopic.
sample tobeusedfor routine monitoring along withS-VII(E) above.
G)1Indicator grass (forage)Quarterly whenavailable.25 Gamma isotopic.
sample tobetaken at location ofpenstock leak.
S-VIII.
Food A)1Indicator sample of Annually during growing 6,7 Gammaisotopic on Products various types offoods season.11 edible portion.
grown inthearea surrounding theplant (root,
- fruit, grain).
B)1Control sample ofvariousAnnually during growing 40 Gammaisotopic on types offoods grown.
(root,season.11 edible portion.
- fruit, grain).
CorbiculaC)1Indicator sample ofedibleSemiannual.
23 Gammaisotopic.
portions.
19
Exposure Pathway Criteria forSelection of Sampling and Sample Type& Frequency of and/or Sam le Sam leNumber&Location Collection Freuenc Location Analsis S-IX.Sediment/
A) 1Indicator sample from Semiannually.
72,73 Gammaisotopic.
Sludge eachstorm drain outfall.
B) 3Indicatorsludge Semiannually.
Onsite Gammaisotopic.
samples taken atsludge lagoons 006A,006B&
008.
C) 1Indicator sample of Annually 25 Gammaisotopic.
topsoil from penstock spill area.
S-X.Ground Water A)11Indicator samples to be taken Quarterly grabsampling.7107,111, Gammaisotopic and within theexclusion boundary 115-123 tritium analyses andinthedirection ofpotentially quarterly.7 affected ground water supplies.
20
Table 7(cont)
- SupplementalRadiological Environmental Monitoring FOOTNOTES 1.
Reserved forfuture use.
2.
Reserved for future use.
3.
Reserved forfuture use.
4.
Milking animal andgarden survey results will beanalyzed annually.
Ifthesurvey should indicate newactivity theownersshall becontacted withregard toacontract forsupplying sufficient samples.
Ifcontractualarrangements canbemade,site(s) will beaddedfor additional milk sampling uptoatotalof 3 Indicator locations.
5.
Nottoexceed35days.
6.
Reserved forfuture use.
7.
Atleast onceper100days.
8.
Atleast onceper18days.
9.
Atleast onceper200days.
- 10. Reserved forfuture use.
- 11. Atleast onceper400days.
- 12. Reserved forfuture use.
- 13. Weekly, whencirculating waterisnotoperational.
- 14. Milk andgrass (forage) sampling isnotrequired unless VCSNSgaseous releases exceed 5%ofquarterly organdoselimits orradionuclides (attributed toVCSNSoperation) are detected inbroadleaf vegetation, grassorairsamples atconcentrations greater than required LLD.Sampling should continue fortwomonths after plant releases arereduced tolessthantrigger levels andmilkcontamination levels havereturned tobackground levels.
+
TheODCMrequires semimonthly sampling whenanimals areonpasture, monthly at other times.
21
Tabe 8Radioogica Environmena Monioring Program Summary for 2020 Locaion wih Hihes Annua Mean Number o
Pahwa Sa ped N
ber o
oDeeci AH gng en"
- /
a"8 "S
Name Mean
- /oa Conro Locaions Nonro in,e ance
&ckn
@ange Range Measuremens AirParicuae Gross Bea 52E3 207E2 264/265 Sie 30,Consrucion 23E2 53/53 22E2 53/53 Op 38
.0E2 930E3 o405E2 Sie
- Gae,
.7E2 o405E2
.04E2 o
440 mies SS Cs 202E3 A
<LLD A
<LLD O
50E2 CS 20E3 A
<LLD A
<LLD 0
60E2 AirRadioodin 38
.72E2 A
<LLD A
<LLD 0
Ci/m 70E2 Direc TLDGamma36 783E+0 5/5 Sie 55, S.Barnabas,
.05E+
4/4 786E+0 9/9 0
Quaery N/A442E+0 o.E+
28mies E
976E+0 o.09E+
452+0 o.04E+
Gamma24 86E+0 24/24 Sie 3,McCrory
- Lison,
.05E+
4/4 N/A O
ecia neres N/A 42E+0 o.4E+
66 mies NNE 986E+0 o.E+
Surace Waer H36 482+2 A
<LLD A
<LLD A
<LLD 0
Ci/
20E+3 Gamma Sec 36 Mn
.67E+0 A
<LLD A
<LLD 0
.5E+
seCo
.99E+0 A
<LLD A
<LLD 0
.5E+
Fe 500E+0 A
<LLD A
<LLD O
30E+
C0 23E+0 A
<LLD A
<LLD O
'.5E+
zn 356E+0 A
<LLD A
<LLD 0
30E+
zr 358E+0 A
<LLD A
<LLD 0
30E+
Nb 249E+0 A
<LLD A
<LLD 0
.5E+
Cs
.86E+0 A
<LLD A
<LLD 0
.5E+
22 Uni o
Anayses AcuaM Perormed Max.
Gamma Spec72
Tabe 8cont.
Radioogica Environmenta Monitoring Program Summary for 2020 Locaion wih Hihes Annua Mean Number o
Medium or Type and Toa Lower Limi Andicaor Locaions Conro LocaionsNo Number o
o Mean
- /oa Name Mean
- /oa Mean
- /oa Re Uni o
Anayses Deecions Range Disance
&Direcion Range Range M
Perormedi Acua Max.
Surace Waer CS
.78E+0 A
<LLD A
<LLD O
Coninued
.8E+
4Ba
.79E+
A
<LLD A
<LLD O
60E+
La 63E+0 A
<LLD A
<LLD O
.5E+
Ground Waer H52 490E+2 A
<LLD A
<LLD O
Ci/
200E+3 Gamma Spec52 Mn 608E+0 A
<LLD A
<LLD 0
.5E+
DO 600E+0 A
<LLD A
<LLD 0
.5E+
Fe 704E+0 A
<LLD A
<LLD 0
30E+
C0 495E+0 A
<LLD A
<LLD 0
.5E+
eszn
.8E+
A
<LLD A
<LLD O
30E+
zr 740E+0 A
<LLD A
<LLD 0
30E+
Nb 50E+0 A
<LLD A
<LLD 0
.5E+
CS 407E+0 A
<LLD A
<LLD O
.5E+
Cs 482E+0 A
<LLD A
<LLD 0
.8E+
Ba 269E+
A
<LLD A
<LLD O
60E+
La 46E+0 A
<LLD A
<LLD 0
.5E+
23
Tabe 8Con.
Radioogica Environmena Monioring Program Summary for 2020 Locaion wih Hihes Annua Mean Number o
Medium or Type and Toa Lower Limi Andicaor Locaions Conro LocaionsNo Number o
o Mean
- /oa Name Mean
- /oa Mean
- /oa Re Uni o
Anayses Deecion Range Disance
&Direcion Range Range M
Perormed' Acua Max.
Drinking Waere Gross Bea 36289E+0 295E+0
/24 Sie 7,Coumbia 297E+0 5/2 294E+0 4/2 Op 400E+0 225E+0 o444+0 Waer
- Works, 225E+0 o48+0 229E+0 o
44E mie.s, SE H36 482E+2 935E+2
/24 Sie 7,Coumbia 935E+2
/2 A
<LLD O2 935E+2 o935E+2 Waer
- Works, 935E+2 o935E+2
- 25mies, SE Mn 25E+0 A
<LLD A
<LLD O
.5E+
Co 229E+0 A
<LLD A
<LLD O
.5E+
Fe 56E+0 A
<LLD A
<LLD O
30E+
6C0 28E+0 A
<LLD A
<LLD O
.5E+
2n 596E+0 A
<LLD A
<LLD 0
30E+
2r 463E+0 A
<LLD A
<LLD O
30E+
Nb 227E+0 A
<LLD A
<LLD 0
.5E
+52E A
<LLD A
<LLD 0
.0E+0 Cs 249E+0 A
<LLD A
<LLD 0
.5E+
CS 260E+0 A
<LLD A
<LLD O
.8E+
Ba
.89E+
A
<LLD A
<LLD O
60E+
La 347E+0 A
<LLD A
<LLD 0
.5E+
24 Gamma Spec72
Tabe 8Con.
Radioogica Environmena Monioring Program Summary for 2020 Locaion wih Hihes Annua Mean Number of Medium or Type and Toa Lower Limi Andicaor Locaions Conro LocaionsNo Number o
o Mean
- /oa Name Mean
- /oa Mean
- /oa Re Uni o
Anayses Deecion Range Disance
&Direcion Range Range M
Perormed' Acua Max.
Broadea Gamma SpecVege 36Ci/k we Fish Gamma SpecCi/k we 8
205E+
A
<LLD A
<LLD O
60E+
Cs
.34E+
A
<LLD A
<LLD 0
6.OE+
Cs
.83E+
A
<LLD A
<LLD 0
80E+
Mn 203E+
A
<LLD A
<LLD 0
.3E+2 Co 227E+
A
<LLD A
<LLD 0
.3E+2 Fe 490E+
A
<LLD A
<LLD O
26E+2 C0
.84E+
A
<LLD A
<LLD 0
.3E+2 zn 534E+
A
<LLD A
<LLD 0
26E+2 Cs 22E+
A
<LLD A
<LLD O
.3E+2 Cs 28E+
.9E+
/2 Sie 2,
Parr
.9E+
/6 A
<LLD 0
.9E+
o.9E+
Reservoir,
.9E+
o.9E
- mies, SS 25
Tabe 8Cont.
Radioogica Environmena Monioring Program Summary for 2020 Locaion wih Hihes Annua Mean Number of Medium or Type and Toa Lower Limi Andicaor Locaions Conro LocaionsNo Number o
o Mean
- /oa Name Mean
- /oa Mean
- /oa Re Uni o
Anayses Deecion Range Disance
&Direcion Range Range M
Perormed' Acua Max.
Mn
.08E+
A
<LLD A
<LLD 0
N/A seCo 892E+0 A
<LLD A
<LLD 0
N/A C0
.0E+
A
<LLD A
<LLD 0
N/A Cs 889E+0 A
<LLD A
<LLD O
.5E+2 3Cs 672E+0 403E+
2/4 Sie 2,Parr 403E+
2/2 34E+
2/2 O
324E+
o482E+
Reservoir, 27 mies 324E+
o482E+
.52E+
o 53 26 Sedimen Gamma Spec6Ci/k
Table 8(cont)
- RadiologicalEnvironmental Monitoring ProgramSummaryfor2020 Footnotes 1.
Includesindicator andcontrol analyses.
Site 8,AirParticulates andAirRadioiodines are included asindicators.
Doesnotinclude other supplemental samples.
2.
Values given aremaximum MDAvalues forindicator locations calculated fromtheprogram dataanalyses.
Themaximum acceptable LLDvalues allowed fromNRCguidelines are given inparentheses.
3.
Meanandrange arebasedon detectable measurements only.
Thefractions ofdetectable measurements (i.e.,
numberof positive results/total numberofmeasurements) atspecific locations areindicated inparentheses.
4.
Anyconfirmed measured level ofradioactivity inanyenvironmentalmediumthat exceeds thereporting requirements ofODCM,Section 1.4.1.2.
5.
Detection sensitivity isapproximately 10mrem/yr (1.0 pR/hr).
6.
Elevated levels of214Pb and214Bi wereobservedin Jenkinsville drinking watersamples.
Thevalues arenotreported herebecause theyarenaturally occurring (do notoriginate fromVCSNS) andfurnish noquantifiable information ofinterest.
7.
Fishinclude 3groups (Bass, Bream/Crappie, Catfish/Carp.)
8.
Elevated levels of214Pb and214Bi plusother 226Ra daughter products and 228Acplus other 232Th daughter products wereobserved inallsediment samples.The values arenot reported herebecause theyarenaturally occurring (do notoriginate from VCSNS) and furnish noquantifiable information ofinterest.
9.
Drinking waterresin prepared andcounted for131i asseparate sample.
27
Tabe 9Radioogica Environmenta Monitoring Program Preoperationa Baseine Summary Locaion wih Hihes Annua Mean Medium orPahway Type and Toa Lower Limi o
Andicaor Conro Locaions Number oNa Mean
- /oa Meanz
- /oa
- D and Anayses Max.
- /oa
- Range Disance
&Direcion Range Range Re orin Period Perormed Measuremens AirParicuae Gross Bea 4.E3
.E562/564 Sie 3,Norh
- Dam,
.3E 52/52
.2E 53/55 0p 300
.0E2
.3E2 o55E 29
- mies, NNW 2.E2 o55E 79E3 o
6.
AirRadioiodin 290 36E2 A
<LLD A
<LLD 0
Ci/m 982 70E2 Direc TLD Gamma 220 05 9995/95 Sie 3,Noh
- Dam, 3.
6/6 97305/305 0p Monhy N/A 67 o47 29
- mies, NNW 22 o42 64 o
3 Suace Waer O
pCi/
H43
.E+3
.4E+3 8/29 Sie 7,Coumbia
.6E+3 2/7
.2E+3 6
20E+3
.E+3 o24E+3
- Cana, 247 mie SE
.4E+3 o.8E+3 67E+2 o.6E+3 Gamma Spec40 Mn 27E A
<LLD A
<LLD 0
.5E+
Co 29E A
<LLD A
<LLD O
.5E+
Fe e.0E+0 A
<LLD A
<LLD O
30E+
C0 24E A
<LLD A
<LLD 0
'.5E+
eszn 79E A
<LLD A
<LLD 0
30E+
zr 52E A
<LLD A
<LLD 0
.5E+
Nb 33E A
<LLD A
<LLD 0
.5E+
Cs 30E A
<LLD A
<LLD 0
.5E+
Samped Uni o
Number oDeecioni Acua Locaions Mean Gamma Spec307 Cs 30E3 A
<LLD A
<LLD O
.0E2 0s 3.E3 32E3 22/24 Sie 0,Me
- Tower, 38E3 2/22 42E3 4/66 O
.5E3 o52E3
- 24mies, NNE 25E3 o52E3 32E3 o56E3 Gamma 6
05 0254/54 Sie 55, S.Barnabas 407/70 N/A 68 o47
- Church, 28
- mies, E
3.
o47 28 27E2 456/462 Sie 8,Mon.
Res.
S o30E2 42/42 28E2 25/
o66E2 Rd
- 224,
.5ENE
.2E2 o60E2
.2E2 o58E2
Locaion wih Hihes Annua Mean Medium orPahway Type and Toa Lower Limi o
Andicaor Conro Locaions Number oNam Mean
- /oa Mean
- /oa hn and Anayses Max.
- /oa
- Range Disance
&Direcion Range pa Re orin Penod Perormed Measuremens Cs 22E A
<LLD A
<LLD 0
.8E+
Ba 22E+0 A
<LLD A
<LLD O
60E+
La 55E A
<LLD A
<LLD O
982 on
.5E+
Ground Waer 9OE+2
.5E+3 6/6 She 26,Onsie We
.6E+3 8/8
.3E+3 3/3 20E+3 95E+2 o23E+3 26 R
95E+2 o23E+3
.0E+3 o.9E+3 0
Gamma Spec32 Mn 37E+0 A
<LLD A
<LLD 0
.5E+
Co 38E+0 A
<LLD A
<LLD 0
.5E+
Fe 78E+0 A
<LLD A
<LLD O
30E+
oCo 38E+0 A
<LLD A
<LLD O
.5E+
zn 8.E+0 A
<LLD A
<LLD 0
30E+
zr 68E+0 A
<LLD A
<LLD 0
.5E+
Nb 46E+0 A
<LLD A
<LLD 0
.5E+
Cs 37E+0 A
<LLD A
<LLD 0
.5E
+
Cs 38E+0 A
<LLD A
<LLD O
.8E
+
Ba
.9E+
A
<LLD A
<LLD O
60E+
La 50EO A
<LLD A
<LLD O
982 on
.5E+
Drinkin Wae Gross Bea20 9898 H
4 63E+2 78E+2 6/4 Sie 28,Jenkinsv 84E+2 3/7O 68E+2 o98E+2 20
- mies, SE 70E+2 o98E+2 Mn 30E A
<LLD O
.5E+
Co 27E A
<LLD O
.5E+
29 Samped Uni o
Number oDeecion Acua Locaions Means 98 82 Gamma Spec44
Locaion wih Hihes Annua Mean Medium orPahway Type and Toa Lower Limi o
Aindicaor Conro Locaions Number oNam Mean
- /oa Means
- /oa No and Anayses Max.
- /oa
- Range Disance
&Direcion Range Range Re orin Period Perormed Measuremens Fe 96EO A
<LLD O
30E+
Co 26E A
<LLD O
.5E+'
2n 34E A
<LLD O
30E+
eszr 48E A
<LLD 0
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34E A
<LLD O
.5E+
Nb 74E A
<LLD O
.0E+0 Cs 22E A
<LLD 0
.0E+
CS 24E A
<LLD 0
.8E+
Ba 25EO A
<LLD 0
60E+
La 44E A
<LLD 0
982 oni
.5E+
3 63E A
<LLD A
<LLD 0
.0E+0 Cs 33E+0 A
<LLD A
<LLD 0
.5E+
Cs 46EO 4.E+0 8/47 Sie 4,Dairy, 4.E+0 8/47 57E+0 37/47 O
28E+0 o6.E+0 5.
- mies, 28E+0 o6.E+0 37E+0 o92E+0 Ba
.E+
A
<LLD A
<LLD O
.5E
+
La 44E+0 A
<LLD A
<LLD O
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67E+
A
<LLD A
<LLD 0
60E+
Cs 27E+
A
<LLD A
<LLD 0
80E+
Cs 33E+
50E+
3/5 Sie 4,Dairy 59E+
5/29
.3E+
6/3 O
.6E+
o.6E+
'5.mies,
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o.6E+
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o34E 30 Samped Uni o
Number oDeecion Acua Locaions Mean Mik Gamma SpecpC 94989 Grass pCi/kg we Gamma Spe 82
Locaion wih Hihes Annua Mean Medium orPahway Type and Toa Lower Limi o
Andicaor Conro Locaions Number oNam Mean
- /oa Mean
- /oa No and Anayses Max.
- /oa
- Range Disance
&Direcion Range Range Re orin Penod Perormed Measuremens Broadea Gamma Spec0Vegeaion we980982 Oher Vegeaion Gamma SpecpCi/
we3298098 Fish pCi/kg we Gamma Spec98 92 Sedim pCi/kg Gamma Spec249 37E+
A
<LLD 0
60E+
.9E+
A
<LLD 0
80E+
CS 2.E+
3.E+
2/7 Sie 2,Trans.
- Line, 36E+
/
A
<LLD O8
'.8E+
o36E+
.2mies, S
Sin eVaue Cs 84E+0 A
<LLD A
<LLD 0
80E+
.0E+
A
<LLD A
<LLD 0
80E+
Cs
.4E+
A
<LLD A
<LLD O
.3E+2 Cs
.8E+
28E+
50/7 Sie 24,Recreaion 34E+
7/23 3.E+
9/2 O
.E+
o.0E+2
- Lake, 55
- mies, N
.2E+
o.0E+2
.0E+
o79E+
C0 26E+
A
<LLD A
<LLD 0
.3E+2 Mn
.8E+
A
<LLD A
<LLD O
.3E+2 Fe 90E+
A
<LLD A
<LLD 0
26E+2 ezn 4.E+
A
<LLD A
<LLD O
26E+2 oCo
.8E+
A
<LLD A
<LLD O
.3E+2 CS 23E+
A
<LLD A
<LLD 0
.5E+2 Cs 24E+
.7E+2 2/8 Sie 2,Parr 26E+
6/6 42E+
6/6 O
.5E+2 26E+
o45E+2 Reserv 26E+
o45E+
.8E+
o
.0
- mies, SS 3
Samped Uni o
Number oDeecion Acua Locaions Mean
Table 9(Cont.)- Radiological Environmental Monitoring ProgramPreoperational (Baseline)
Summary Footnotes 1.
Values given areMDA values calculatedfromtheprogram dataanalyses withmaximum acceptable LLDvalues allowed fromNRCguidelines given inparentheses.
2.
Meanandrange arebased on detectable measurements only.
Thefractions ofdetectable measurements atspecific locations areindicatedinparentheses.
3.
A non-routine measurement isany confirmed measured level ofradioactivity inan environmental mediumthat exceedsthe reporting requirements ofVCSNSODCM,Section 1.4.1.2.
4.
Thebaseline values arehighbecause ofthe fallout fromtheChinese bombtest in1980.
Thefirst setofdatareflects the1981baseline. The second setofdatareflects the1982
- baseline, essentially freeofbombtest fallout.
The 1982 datacovers theperiod 1/1/82 10/22/82.
5.
Detection sensitivity isapproximately 5mrem/yr (0.5 pR/hr) determined fromtheanalyses offive years ofpreoperational data.
6.
Nocontrol location wasspecified fordrinking waterduring thepreoperational monitoring period.
7.
Inconclusive data.
32
Table 10- Resultsof2020Environmental Inter-Comparison Program with Independent Lab,Eckert
&ziegler Analytics, Inc.
Comparison Study VendorLab EnvLab Date Nuclides Agreement Measurement Unit Results Results GammaIsotopicLiquid 3/16 131I 92.9 91.9 Yes 1Liter 141Ce 190 199 Yes (pCi/I) 51Cr 388 383 Yes 134Cs 154 145 Yes 137Cs 185 195 Yes 58Co 196 222 Yes 54Mn 216 242 Yes 59Fe 168 191 Yes 65zn 261 281 Yes 60C0 236 245 Yes GammaComposite Filter11/6 141Ce 103 97.7 Yes (pCi) 51Cr 256 312 Yes 134Cs 138 118 Yes 137Cs 172 185 Yes 58Co 124 120 Yes 54Mn 124 146 Yes 59Fe 138 167 Yes 65zn 186 201 Yes 6oCo 261 260 Yes Alpha/Beta Water 4/20 Alpha 103 117 Yes (pCi/l)
Beta 281 289 Yes Gammaisotopic 3/24 141Ce 264 254 Yes Pulverized 51Cr 540 555 Yes Soil 134Cs 215 195 Yes (pCi/kg) 137Cs 258 281 Yes 58Co 272 277 Yes 54Mn 301 330 Yes 59Fe 234 267 Yes 65zn 363 419 Yes 60C0 328 350 Yes I-131 Solid 3/16 1311 90.9 97.2 Yes (pCi) 33
Comparison Study VendorLab EnvLab Date Nuclides Agreement Measurement Unit Results Results Tritium 4/9 3H 9870 10400 Yes (pCi/I)
Gross Beta Filter 9/21 241Am 86 82 Yes (pCi) 137Cs 165 162 Charcoal Cartridge 9/15 1311 78.5 85.4 Yes (pCi)
GammaIsotopic Liquid 9/16 131I 98.2 108 Yes 4Liter 141Ce 151 173 Yes (pCi/l) 51Cr 373 421 Yes 134Cs 201 206 Yes 137Cs 251 278 Yes 58Co 180 196 Yes 54Mn 181 201 Yes 59Fe 201 234 Yes 65zn 271 320 Yes 6oCo 380 420 Yes 34
Table 11
- 2020Environmental Sampling ProgramDeviations Sample Month Media Location WeekNo.
CauseforDeviation TLD Site 47 Oct(44) Damaged TLD Site 17 Jan(01) Missing 35
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